Patchwork Bug inkvm_set_irq

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Submitter Michael S. Tsirkin
Date March 9, 2011, 1:59 p.m.
Message ID <20110309135918.GA31019@redhat.com>
Download mbox | patch
Permalink /patch/86116/
State Not Applicable
Delegated to: David Miller
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Comments

Michael S. Tsirkin - March 9, 2011, 1:59 p.m.
On Wed, Mar 09, 2011 at 02:12:58PM +0100, Jean-Philippe Menil wrote:
> Le 09/03/2011 14:00, Michael S. Tsirkin a écrit :
> >On Wed, Mar 09, 2011 at 01:28:43PM +0100, Jean-Philippe Menil wrote:
> >>Le 08/03/2011 12:13, Michael S. Tsirkin a écrit :
> >>>On Fri, Mar 04, 2011 at 10:39:05AM +0100, Jean-Philippe Menil wrote:
> >>>>Yes, it's a 2.6.37.2 kernel.
> >>>OK, here's a debugging patch.
> >>>Please run with slab debugging as previously until you see
> >>>'eventfd bug detected!' in dmesg or until there is a crash.
> >>>It might be also useful to enable timestampts on printk with
> >>>  Symbol: PRINTK_TIME [=y]
> >>>   │ Type  : boolean
> >>>   │ Prompt: Show timing information on printks
> >>>
> >>>once you see the error, please upload the
> >>>full dmesg output somewhere to we can track what
> >>>goes on.
> >>>
> >>>Hopefully there won't be an oops this time which
> >>>should make it easier for you to test (no need to
> >>>reboot).
> >>>
> >>>
> >>>diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c
> >>>index c1f1e3c..3cb679b 100644
> >>>--- a/virt/kvm/eventfd.c
> >>>+++ b/virt/kvm/eventfd.c
> >>>@@ -32,6 +32,7 @@
> >>>  #include<linux/eventfd.h>
> >>>  #include<linux/kernel.h>
> >>>  #include<linux/slab.h>
> >>>+#include<linux/nmi.h>
> >>>
> >>>  #include "iodev.h"
> >>>
> >>>@@ -43,6 +44,8 @@
> >>>   * --------------------------------------------------------------------
> >>>   */
> >>>
> >>>+#define KVM_BAD_PTR ((void*)(long)(0x6b6b6b6b6b6b6b6bull))
> >>>+
> >>>  struct _irqfd {
> >>>  	struct kvm               *kvm;
> >>>  	struct eventfd_ctx       *eventfd;
> >>>@@ -61,6 +64,13 @@ irqfd_inject(struct work_struct *work)
> >>>  {
> >>>  	struct _irqfd *irqfd = container_of(work, struct _irqfd, inject);
> >>>  	struct kvm *kvm = irqfd->kvm;
> >>>+	if (kvm == KVM_BAD_PTR) {
> >>>+		printk(KERN_ERR "Eventfd bug detected!\n");
> >>>+		printk(KERN_ERR "%s(work=%p,irqfd=%p,kvm=%p,gsi=%d)\n", __func__,
> >>>+			work, irqfd, kvm, irqfd->gsi);
> >>>+		trigger_all_cpu_backtrace();
> >>>+		return;
> >>>+	}
> >>>
> >>>  	kvm_set_irq(kvm, KVM_USERSPACE_IRQ_SOURCE_ID, irqfd->gsi, 1);
> >>>  	kvm_set_irq(kvm, KVM_USERSPACE_IRQ_SOURCE_ID, irqfd->gsi, 0);
> >>>@@ -75,6 +85,8 @@ irqfd_shutdown(struct work_struct *work)
> >>>  	struct _irqfd *irqfd = container_of(work, struct _irqfd, shutdown);
> >>>  	u64 cnt;
> >>>
> >>>+	printk(KERN_ERR "%s(work=%p,irqfd=%p,kvm=%p, gsi=%d)\n", __func__,
> >>>+	       work, irqfd, irqfd->kvm, irqfd->gsi);
> >>>  	/*
> >>>  	 * Synchronize with the wait-queue and unhook ourselves to prevent
> >>>  	 * further events.
> >>>@@ -91,6 +103,8 @@ irqfd_shutdown(struct work_struct *work)
> >>>  	 * It is now safe to release the object's resources
> >>>  	 */
> >>>  	eventfd_ctx_put(irqfd->eventfd);
> >>>+	printk(KERN_ERR "kfree at %s(work=%p,irqfd=%p)\n", __func__,
> >>>+	       work, irqfd);
> >>>  	kfree(irqfd);
> >>>  }
> >>>
> >>>@@ -111,6 +125,8 @@ static void
> >>>  irqfd_deactivate(struct _irqfd *irqfd)
> >>>  {
> >>>  	BUG_ON(!irqfd_is_active(irqfd));
> >>>+	printk(KERN_ERR "%s(irqfd=%p,kvm=%p, gsi=%d)\n", __func__,
> >>>+	       irqfd, irqfd->kvm, irqfd->gsi);
> >>>
> >>>  	list_del_init(&irqfd->list);
> >>>
> >>>@@ -178,6 +194,8 @@ kvm_irqfd_assign(struct kvm *kvm, int fd, int gsi)
> >>>
> >>>  	irqfd->kvm = kvm;
> >>>  	irqfd->gsi = gsi;
> >>>+	printk(KERN_ERR "%s(irqfd=%p,kvm=%p, gsi=%d)\n", __func__,
> >>>+	       irqfd, kvm, gsi);
> >>>  	INIT_LIST_HEAD(&irqfd->list);
> >>>  	INIT_WORK(&irqfd->inject, irqfd_inject);
> >>>  	INIT_WORK(&irqfd->shutdown, irqfd_shutdown);
> >>>@@ -264,6 +282,8 @@ kvm_irqfd_deassign(struct kvm *kvm, int fd, int gsi)
> >>>  	struct _irqfd *irqfd, *tmp;
> >>>  	struct eventfd_ctx *eventfd;
> >>>
> >>>+	printk(KERN_ERR "%s(kvm=%p, gsi=%d)\n", __func__,
> >>>+	       kvm, gsi);
> >>>  	eventfd = eventfd_ctx_fdget(fd);
> >>>  	if (IS_ERR(eventfd))
> >>>  		return PTR_ERR(eventfd);
> >>>@@ -305,6 +325,7 @@ void
> >>>  kvm_irqfd_release(struct kvm *kvm)
> >>>  {
> >>>  	struct _irqfd *irqfd, *tmp;
> >>>+	printk(KERN_ERR "%s(kvm=%p)\n", __func__, kvm);
> >>>
> >>>  	spin_lock_irq(&kvm->irqfds.lock);
> >>>
> >>>--
> >>>To unsubscribe from this list: send the line "unsubscribe netdev" in
> >>>the body of a message to majordomo@vger.kernel.org
> >>>More majordomo info at  http://vger.kernel.org/majordomo-info.html
> >>Hi,
> >>
> >>I boot the host with the patched kernel yesterday.
> >>No crach until now, but two "Eventfd bug detected!" in the log at
> >>"Mar  9 02:04:31" and "Mar  9 02:15:17"
> >>You can find part of the log at the following adress:
> >>http://filex.univ-nantes.fr/get?k=jL4Fe7yfSMN57toAH7V
> >>
> >>It a split file of the kern.log (1,4G), so if you need another part
> >>of the log, let me know.
> >>
> >>Thanks for all.
> >>
> >>Regards.
> >Downloading, it's big :)
> >What about some 1000 lines before and after Eventfd bug detected! line?
> >--
> >To unsubscribe from this list: send the line "unsubscribe kvm" in
> >the body of a message to majordomo@vger.kernel.org
> >More majordomo info at  http://vger.kernel.org/majordomo-info.html
> Yes, sorry about that.
> I could have split my log into a smaller file.
> 
> I was a little afraid of not transmit enough informations, and i was
> a bit wide.
> I hope you can find usefull trace anyway.
> 
> Regards.


OK, use after free.


Mar  9 02:15:17 ayrshire.u06.univ-nantes.prive kernel: [37461.593681]
kvm_irqfd_assign(irqfd=ffff88045e8d6230,kvm=ffff88085151c000, gsi=26)
Mar  9 02:15:17 ayrshire.u06.univ-nantes.prive kernel: [37461.605359]
kvm_irqfd_deassign(kvm=ffff88085151c000, gsi=26)
Mar  9 02:15:17 ayrshire.u06.univ-nantes.prive kernel: [37461.605388]
irqfd_deactivate(irqfd=ffff88045e8d6230,kvm=ffff88085151c000, gsi=26)
Mar  9 02:15:17 ayrshire.u06.univ-nantes.prive kernel: [37461.605461]
irqfd_shutdown(work=ffff88045e8d62b0,irqfd=ffff88045e8d6230,kvm=ffff88085151c000,
gsi=26)
Mar  9 02:15:17 ayrshire.u06.univ-nantes.prive kernel: [37461.605509]
kfree at irqfd_shutdown(work=ffff88045e8d62b0,irqfd=ffff88045e8d6230)
Mar  9 02:15:17 ayrshire.u06.univ-nantes.prive kernel: [37461.605588]
Eventfd bug detected!
Mar  9 02:15:17 ayrshire.u06.univ-nantes.prive kernel: [37461.605612]
irqfd_inject(work=ffff88045e8d6290,irqfd=ffff88045e8d6230,kvm=6b6b6b6b6b6b6b6b,gsi=1802201963)


and 1802201963 is also 6b6b6b6b.


I suspect that somehow, we get an event from eventfd even
though we did eventfd_ctx_remove_wait_queue.
Could you please try the following patch on top?
When you see Eventfd bug or Wakeup bug, paste some
last lines.
For the full log file - better compress with xz.
Jean-Philippe Menil - March 10, 2011, 8:42 a.m.
Le 09/03/2011 14:59, Michael S. Tsirkin a écrit :
> On Wed, Mar 09, 2011 at 02:12:58PM +0100, Jean-Philippe Menil wrote:
>> Le 09/03/2011 14:00, Michael S. Tsirkin a écrit :
>>> On Wed, Mar 09, 2011 at 01:28:43PM +0100, Jean-Philippe Menil wrote:
>>>> Le 08/03/2011 12:13, Michael S. Tsirkin a écrit :
>>>>> On Fri, Mar 04, 2011 at 10:39:05AM +0100, Jean-Philippe Menil wrote:
>>>>>> Yes, it's a 2.6.37.2 kernel.
>>>>> OK, here's a debugging patch.
>>>>> Please run with slab debugging as previously until you see
>>>>> 'eventfd bug detected!' in dmesg or until there is a crash.
>>>>> It might be also useful to enable timestampts on printk with
>>>>>   Symbol: PRINTK_TIME [=y]
>>>>>    │ Type  : boolean
>>>>>    │ Prompt: Show timing information on printks
>>>>>
>>>>> once you see the error, please upload the
>>>>> full dmesg output somewhere to we can track what
>>>>> goes on.
>>>>>
>>>>> Hopefully there won't be an oops this time which
>>>>> should make it easier for you to test (no need to
>>>>> reboot).
>>>>>
>>>>>
>>>>> diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c
>>>>> index c1f1e3c..3cb679b 100644
>>>>> --- a/virt/kvm/eventfd.c
>>>>> +++ b/virt/kvm/eventfd.c
>>>>> @@ -32,6 +32,7 @@
>>>>>   #include<linux/eventfd.h>
>>>>>   #include<linux/kernel.h>
>>>>>   #include<linux/slab.h>
>>>>> +#include<linux/nmi.h>
>>>>>
>>>>>   #include "iodev.h"
>>>>>
>>>>> @@ -43,6 +44,8 @@
>>>>>    * --------------------------------------------------------------------
>>>>>    */
>>>>>
>>>>> +#define KVM_BAD_PTR ((void*)(long)(0x6b6b6b6b6b6b6b6bull))
>>>>> +
>>>>>   struct _irqfd {
>>>>>   	struct kvm               *kvm;
>>>>>   	struct eventfd_ctx       *eventfd;
>>>>> @@ -61,6 +64,13 @@ irqfd_inject(struct work_struct *work)
>>>>>   {
>>>>>   	struct _irqfd *irqfd = container_of(work, struct _irqfd, inject);
>>>>>   	struct kvm *kvm = irqfd->kvm;
>>>>> +	if (kvm == KVM_BAD_PTR) {
>>>>> +		printk(KERN_ERR "Eventfd bug detected!\n");
>>>>> +		printk(KERN_ERR "%s(work=%p,irqfd=%p,kvm=%p,gsi=%d)\n", __func__,
>>>>> +			work, irqfd, kvm, irqfd->gsi);
>>>>> +		trigger_all_cpu_backtrace();
>>>>> +		return;
>>>>> +	}
>>>>>
>>>>>   	kvm_set_irq(kvm, KVM_USERSPACE_IRQ_SOURCE_ID, irqfd->gsi, 1);
>>>>>   	kvm_set_irq(kvm, KVM_USERSPACE_IRQ_SOURCE_ID, irqfd->gsi, 0);
>>>>> @@ -75,6 +85,8 @@ irqfd_shutdown(struct work_struct *work)
>>>>>   	struct _irqfd *irqfd = container_of(work, struct _irqfd, shutdown);
>>>>>   	u64 cnt;
>>>>>
>>>>> +	printk(KERN_ERR "%s(work=%p,irqfd=%p,kvm=%p, gsi=%d)\n", __func__,
>>>>> +	       work, irqfd, irqfd->kvm, irqfd->gsi);
>>>>>   	/*
>>>>>   	 * Synchronize with the wait-queue and unhook ourselves to prevent
>>>>>   	 * further events.
>>>>> @@ -91,6 +103,8 @@ irqfd_shutdown(struct work_struct *work)
>>>>>   	 * It is now safe to release the object's resources
>>>>>   	 */
>>>>>   	eventfd_ctx_put(irqfd->eventfd);
>>>>> +	printk(KERN_ERR "kfree at %s(work=%p,irqfd=%p)\n", __func__,
>>>>> +	       work, irqfd);
>>>>>   	kfree(irqfd);
>>>>>   }
>>>>>
>>>>> @@ -111,6 +125,8 @@ static void
>>>>>   irqfd_deactivate(struct _irqfd *irqfd)
>>>>>   {
>>>>>   	BUG_ON(!irqfd_is_active(irqfd));
>>>>> +	printk(KERN_ERR "%s(irqfd=%p,kvm=%p, gsi=%d)\n", __func__,
>>>>> +	       irqfd, irqfd->kvm, irqfd->gsi);
>>>>>
>>>>>   	list_del_init(&irqfd->list);
>>>>>
>>>>> @@ -178,6 +194,8 @@ kvm_irqfd_assign(struct kvm *kvm, int fd, int gsi)
>>>>>
>>>>>   	irqfd->kvm = kvm;
>>>>>   	irqfd->gsi = gsi;
>>>>> +	printk(KERN_ERR "%s(irqfd=%p,kvm=%p, gsi=%d)\n", __func__,
>>>>> +	       irqfd, kvm, gsi);
>>>>>   	INIT_LIST_HEAD(&irqfd->list);
>>>>>   	INIT_WORK(&irqfd->inject, irqfd_inject);
>>>>>   	INIT_WORK(&irqfd->shutdown, irqfd_shutdown);
>>>>> @@ -264,6 +282,8 @@ kvm_irqfd_deassign(struct kvm *kvm, int fd, int gsi)
>>>>>   	struct _irqfd *irqfd, *tmp;
>>>>>   	struct eventfd_ctx *eventfd;
>>>>>
>>>>> +	printk(KERN_ERR "%s(kvm=%p, gsi=%d)\n", __func__,
>>>>> +	       kvm, gsi);
>>>>>   	eventfd = eventfd_ctx_fdget(fd);
>>>>>   	if (IS_ERR(eventfd))
>>>>>   		return PTR_ERR(eventfd);
>>>>> @@ -305,6 +325,7 @@ void
>>>>>   kvm_irqfd_release(struct kvm *kvm)
>>>>>   {
>>>>>   	struct _irqfd *irqfd, *tmp;
>>>>> +	printk(KERN_ERR "%s(kvm=%p)\n", __func__, kvm);
>>>>>
>>>>>   	spin_lock_irq(&kvm->irqfds.lock);
>>>>>
>>>>> --
>>>>> To unsubscribe from this list: send the line "unsubscribe netdev" in
>>>>> the body of a message to majordomo@vger.kernel.org
>>>>> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>>>> Hi,
>>>>
>>>> I boot the host with the patched kernel yesterday.
>>>> No crach until now, but two "Eventfd bug detected!" in the log at
>>>> "Mar  9 02:04:31" and "Mar  9 02:15:17"
>>>> You can find part of the log at the following adress:
>>>> http://filex.univ-nantes.fr/get?k=jL4Fe7yfSMN57toAH7V
>>>>
>>>> It a split file of the kern.log (1,4G), so if you need another part
>>>> of the log, let me know.
>>>>
>>>> Thanks for all.
>>>>
>>>> Regards.
>>> Downloading, it's big :)
>>> What about some 1000 lines before and after Eventfd bug detected! line?
>>> --
>>> To unsubscribe from this list: send the line "unsubscribe kvm" in
>>> the body of a message to majordomo@vger.kernel.org
>>> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>> Yes, sorry about that.
>> I could have split my log into a smaller file.
>>
>> I was a little afraid of not transmit enough informations, and i was
>> a bit wide.
>> I hope you can find usefull trace anyway.
>>
>> Regards.
>
> OK, use after free.
>
>
> Mar  9 02:15:17 ayrshire.u06.univ-nantes.prive kernel: [37461.593681]
> kvm_irqfd_assign(irqfd=ffff88045e8d6230,kvm=ffff88085151c000, gsi=26)
> Mar  9 02:15:17 ayrshire.u06.univ-nantes.prive kernel: [37461.605359]
> kvm_irqfd_deassign(kvm=ffff88085151c000, gsi=26)
> Mar  9 02:15:17 ayrshire.u06.univ-nantes.prive kernel: [37461.605388]
> irqfd_deactivate(irqfd=ffff88045e8d6230,kvm=ffff88085151c000, gsi=26)
> Mar  9 02:15:17 ayrshire.u06.univ-nantes.prive kernel: [37461.605461]
> irqfd_shutdown(work=ffff88045e8d62b0,irqfd=ffff88045e8d6230,kvm=ffff88085151c000,
> gsi=26)
> Mar  9 02:15:17 ayrshire.u06.univ-nantes.prive kernel: [37461.605509]
> kfree at irqfd_shutdown(work=ffff88045e8d62b0,irqfd=ffff88045e8d6230)
> Mar  9 02:15:17 ayrshire.u06.univ-nantes.prive kernel: [37461.605588]
> Eventfd bug detected!
> Mar  9 02:15:17 ayrshire.u06.univ-nantes.prive kernel: [37461.605612]
> irqfd_inject(work=ffff88045e8d6290,irqfd=ffff88045e8d6230,kvm=6b6b6b6b6b6b6b6b,gsi=1802201963)
>
>
> and 1802201963 is also 6b6b6b6b.
>
>
> I suspect that somehow, we get an event from eventfd even
> though we did eventfd_ctx_remove_wait_queue.
> Could you please try the following patch on top?
> When you see Eventfd bug or Wakeup bug, paste some
> last lines.
> For the full log file - better compress with xz.
>
>
> diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c
> index 3cb679b..63aeba5 100644
> --- a/virt/kvm/eventfd.c
> +++ b/virt/kvm/eventfd.c
> @@ -92,6 +92,8 @@ irqfd_shutdown(struct work_struct *work)
>   	 * further events.
>   	 */
>   	eventfd_ctx_remove_wait_queue(irqfd->eventfd,&irqfd->wait,&cnt);
> +	printk(KERN_ERR "remove wq at %s(work=%p,irqfd=%p)\n", __func__,
> +	       work, irqfd);
>
>   	/*
>   	 * We know no new events will be scheduled at this point, so block
> @@ -142,6 +144,13 @@ irqfd_wakeup(wait_queue_t *wait, unsigned mode, int sync, void *key)
>   	struct _irqfd *irqfd = container_of(wait, struct _irqfd, wait);
>   	unsigned long flags = (unsigned long)key;
>
> +	if (irqfd->kvm == KVM_BAD_PTR) {
> +		printk(KERN_ERR "Wakeup bug detected! flags 0x%lx\n", flags);
> +		printk(KERN_ERR "%s(work=%p,irqfd=%p,kvm=%p,gsi=%d)\n", __func__,
> +			&irqfd->inject, irqfd, irqfd->kvm, irqfd->gsi);
> +		trigger_all_cpu_backtrace();
> +		return 0;
> +	}
>   	if (flags&  POLLIN)
>   		/* An event has been signaled, inject an interrupt */
>   		schedule_work(&irqfd->inject);
> @@ -153,6 +162,9 @@ irqfd_wakeup(wait_queue_t *wait, unsigned mode, int sync, void *key)
>
>   		spin_lock_irqsave(&kvm->irqfds.lock, flags);
>
> +		printk(KERN_ERR "%s(work=%p,irqfd=%p,kvm=%p,gsi=%d,active=%d)\n", __func__,
> +			&irqfd->inject, irqfd, irqfd->kvm, irqfd->gsi,
> +			irqfd_is_active(irqfd));
>   		/*
>   		 * We must check if someone deactivated the irqfd before
>   		 * we could acquire the irqfds.lock since the item is
>
Hi,

I noted seven "Eventfd bug detected" events during the night, and only 
one Wakeup event:

fifth.ah:Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: 
[44867.105868] Eventfd bug detected!
first.ad:Mar 10 01:08:15 ayrshire.u06.univ-nantes.prive kernel: 
[34729.771260] Eventfd bug detected!
fourth.ad:Mar 10 02:54:41 ayrshire.u06.univ-nantes.prive kernel: 
[41115.140873] Eventfd bug detected!
second.ab:Mar 10 02:41:55 ayrshire.u06.univ-nantes.prive kernel: 
[40348.967192] Eventfd bug detected!
seventh.ab:Mar 10 07:52:29 ayrshire.u06.univ-nantes.prive kernel: 
[58983.145646] Eventfd bug detected!
sixth.ab:Mar 10 05:19:54 ayrshire.u06.univ-nantes.prive kernel: 
[49828.785558] Eventfd bug detected!
third.ae:Mar 10 02:54:07 ayrshire.u06.univ-nantes.prive kernel: 
[41081.638633] Eventfd bug detected!

grep -i wakeup *
seventh.ab:Mar 10 07:52:29 ayrshire.u06.univ-nantes.prive kernel: 
[58983.154161]  [<ffffffffa02cbf96>] vhost_poll_wakeup+0x16/0x20 [vhost_net


Here is a trace, for the thirst event:

Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.101747] 
irqfd_deactivate(irqfd=ffff88042e0b5e00,kvm=ffff8804542d0000, gsi=24)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.101873] 
irqfd_shutdown(work=ffff88042e0b5e80,irqfd=ffff88042e0b5e00,kvm=ffff8804542d0000, 
gsi=24)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.101928] 
remove wq at irqfd_shutdown(work=ffff88042e0b5e80,irqfd=ffff88042e0b5e00)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.101990] 
kfree at irqfd_shutdown(work=ffff88042e0b5e80,irqfd=ffff88042e0b5e00)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.102381] 
kvm_irqfd_assign(irqfd=ffff88080f7aa818,kvm=ffff8804542d0000, gsi=24)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.103796] 
kvm_irqfd_deassign(kvm=ffff8804542d0000, gsi=24)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.103833] 
irqfd_deactivate(irqfd=ffff88080f7aa818,kvm=ffff8804542d0000, gsi=24)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.103904] 
irqfd_shutdown(work=ffff88080f7aa898,irqfd=ffff88080f7aa818,kvm=ffff8804542d0000, 
gsi=24)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.103958] 
remove wq at irqfd_shutdown(work=ffff88080f7aa898,irqfd=ffff88080f7aa818)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.104023] 
kfree at irqfd_shutdown(work=ffff88080f7aa898,irqfd=ffff88080f7aa818)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.104311] 
kvm_irqfd_assign(irqfd=ffff88081a190b78,kvm=ffff8804542d0000, gsi=24)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.104511] 
kvm_irqfd_deassign(kvm=ffff8804542d0000, gsi=24)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.104549] 
irqfd_deactivate(irqfd=ffff88081a190b78,kvm=ffff8804542d0000, gsi=24)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.104614] 
irqfd_shutdown(work=ffff88081a190bf8,irqfd=ffff88081a190b78,kvm=ffff8804542d0000, 
gsi=24)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.104667] 
remove wq at irqfd_shutdown(work=ffff88081a190bf8,irqfd=ffff88081a190b78)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.104715] 
kfree at irqfd_shutdown(work=ffff88081a190bf8,irqfd=ffff88081a190b78)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.104911] 
kvm_irqfd_assign(irqfd=ffff880853b8caa0,kvm=ffff8804542d0000, gsi=24)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.105868] 
Eventfd bug detected!
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.105901] 
irqfd_inject(work=ffff88042e0b5e60,irqfd=ffff88042e0b5e00,kvm=6b6b6b6b6b6b6b6b,gsi=1802201963)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.105951] 
sending NMI to all CPUs:
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.105961] 
NMI backtrace for cpu 0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.105986] CPU 0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.105992] 
Modules linked in: btrfs zlib_deflate crc32c libcrc32c ufs qnx4 hfsplus 
hfs minix ntfs vfat msdos fat jfs reiserfs ext4 jbd2 crc16 ext3 jbd 
vhost_net macvtap macvlan tun veth powernow_k8 mperf cpufreq_userspace 
cpufreq_stats cpufreq_powersave cpufreq_ondemand freq_table 
cpufreq_conservative fuse xt_physdev ip6t_LOG ip6table_filter ip6_tables 
ipt_LOG xt_multiport xt_limit xt_tcpudp xt_state iptable_filter 
ip_tables x_tables nf_conntrack_tftp nf_conntrack_ftp nf_conntrack_ipv4 
nf_defrag_ipv4 8021q bridge stp ext2 mbcache dm_round_robin dm_multipath 
nf_conntrack_ipv6 nf_conntrack nf_defrag_ipv6 ipv6 snd_pcm snd_timer snd 
soundcore snd_page_alloc shpchp i2c_nforce2 tpm_tis tpm pci_hotplug 
psmouse evdev i2c_core tpm_bios dcdbas pcspkr joydev ghes serio_raw 
processor thermal_sys hed button xfs exportfs dm_mod sg sr_mod cdrom 
usbhid hid usb_storage ses sd_mod enclosure lpfc scsi_transport_fc 
ohci_hcd scsi_tgt megaraid_sas scsi_mod bnx2 ehci_hcd [last unloaded: 
scsi_wait_sca
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: n]
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.106557]
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.106581] 
Pid: 10, comm: kworker/0:1 Not tainted 2.6.37.2-patchjp-110308-c+ #17 
Dell Inc. PowerEdge M605/0K543T
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.106644] 
RIP: 0010:[<ffffffff8105fa4b>]  [<ffffffff8105fa4b>] 
default_send_IPI_mask_sequence_phys+0xbb/0xe0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.106706] 
RSP: 0018:ffff88045fcb1d50  EFLAGS: 00000046
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.106735] 
RAX: ffff88087fc00000 RBX: 0000000000000002 RCX: 0000000000000008
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.106767] 
RDX: 0000000000000001 RSI: 0000000000000020 RDI: 0000000000000020
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.106799] 
RBP: ffff88045fcb1d90 R08: ffffffff8159faf0 R09: 0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.106831] 
R10: 0000000000000000 R11: 0000000000000006 R12: 000000000000c620
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.106863] 
R13: ffffffff8159faf0 R14: 0000000000000400 R15: 0000000000000286
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.106896] 
FS:  00007f66f7754720(0000) GS:ffff88007f800000(0000) knlGS:0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.106944] 
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.106973] 
CR2: 0000000000e64048 CR3: 000000045ea45000 CR4: 00000000000006f0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.107005] 
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.107037] 
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.107070] 
Process kworker/0:1 (pid: 10, threadinfo ffff88045fcb0000, task 
ffff88045fcaae70)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.107117] Stack:
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.107138]  
ffffffff00000000 0000000000000000 ffff88045fcb1d70 0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
6b6b6b6b6b6b6b6b ffff88007f814e00 ffffffff81008ba0 0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
ffff88045fcb1da0 ffffffff81062c12 ffff88045fcb1dc0 ffffffff8105fb3c
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011] 
Call Trace:
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
[<ffffffff81008ba0>] ? irqfd_inject+0x0/0xa0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
[<ffffffff81062c12>] physflat_send_IPI_all+0x12/0x20
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
[<ffffffff8105fb3c>] arch_trigger_all_cpu_backtrace+0x3c/0x70
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
[<ffffffff81008c2f>] irqfd_inject+0x8f/0xa0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
[<ffffffff810a971b>] process_one_work+0x11b/0x450
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
[<ffffffff810a9e97>] worker_thread+0x157/0x410
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
[<ffffffff81078519>] ? __wake_up_common+0x59/0x90
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
[<ffffffff810a9d40>] ? worker_thread+0x0/0x410
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
[<ffffffff810ad8f6>] kthread+0x96/0xa0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
[<ffffffff81041c64>] kernel_thread_helper+0x4/0x10
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
[<ffffffff810ad860>] ? kthread+0x0/0xa0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
[<ffffffff81041c60>] ? kernel_thread_helper+0x0/0x10
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011] 
Code: 83 fb 02 44 89 f0 0f 45 c3 89 04 25 00 c3 5f ff eb 9e 4c 89 ff 57 
9d 66 66 90 66 90 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f c9 c3 <48> 8b 
05 4e fb 53 00 48 89 55 c8 89 4d c0 ff 90 58 01 00 00 48
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011] 
Call Trace:
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
[<ffffffff81008ba0>] ? irqfd_inject+0x0/0xa0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
[<ffffffff81062c12>] physflat_send_IPI_all+0x12/0x20
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
[<ffffffff8105fb3c>] arch_trigger_all_cpu_backtrace+0x3c/0x70
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
[<ffffffff81008c2f>] irqfd_inject+0x8f/0xa0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
[<ffffffff810a971b>] process_one_work+0x11b/0x450
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
[<ffffffff810a9e97>] worker_thread+0x157/0x410
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
[<ffffffff81078519>] ? __wake_up_common+0x59/0x90
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
[<ffffffff810a9d40>] ? worker_thread+0x0/0x410
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
[<ffffffff810ad8f6>] kthread+0x96/0xa0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
[<ffffffff81041c64>] kernel_thread_helper+0x4/0x10
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
[<ffffffff810ad860>] ? kthread+0x0/0xa0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
[<ffffffff81041c60>] ? kernel_thread_helper+0x0/0x10
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011] 
Pid: 10, comm: kworker/0:1 Not tainted 2.6.37.2-patchjp-110308-c+ #17
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011] 
Call Trace:
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011] 
<NMI>  [<ffffffff8104a786>] ? show_regs+0x26/0x30
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
[<ffffffff8105fde1>] nmi_watchdog_tick+0x191/0x1b0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
[<ffffffff81042ef1>] do_nmi+0x1c1/0x2e0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
[<ffffffff813be5f0>] nmi+0x20/0x30
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
[<ffffffff8105fa4b>] ? default_send_IPI_mask_sequence_phys+0xbb/0xe0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011] 
<<EOE>>  [<ffffffff81008ba0>] ? irqfd_inject+0x0/0xa0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
[<ffffffff81062c12>] physflat_send_IPI_all+0x12/0x20
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
[<ffffffff8105fb3c>] arch_trigger_all_cpu_backtrace+0x3c/0x70
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
[<ffffffff81008c2f>] irqfd_inject+0x8f/0xa0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
[<ffffffff810a971b>] process_one_work+0x11b/0x450
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
[<ffffffff810a9e97>] worker_thread+0x157/0x410
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
[<ffffffff81078519>] ? __wake_up_common+0x59/0x90
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
[<ffffffff810a9d40>] ? worker_thread+0x0/0x410
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
[<ffffffff810ad8f6>] kthread+0x96/0xa0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
[<ffffffff81041c64>] kernel_thread_helper+0x4/0x10
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
[<ffffffff810ad860>] ? kthread+0x0/0xa0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108011]  
[<ffffffff81041c60>] ? kernel_thread_helper+0x0/0x10
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.110243] 
NMI backtrace for cpu 3
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.110272] CPU 3
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.110280] 
Modules linked in: btrfs zlib_deflate crc32c libcrc32c ufs qnx4 hfsplus 
hfs minix ntfs vfat msdos fat jfs reiserfs ext4 jbd2 crc16 ext3 jbd 
vhost_net macvtap macvlan tun veth powernow_k8 mperf cpufreq_userspace 
cpufreq_stats cpufreq_powersave cpufreq_ondemand freq_table 
cpufreq_conservative fuse xt_physdev ip6t_LOG ip6table_filter ip6_tables 
ipt_LOG xt_multiport xt_limit xt_tcpudp xt_state iptable_filter 
ip_tables x_tables nf_conntrack_tftp nf_conntrack_ftp nf_conntrack_ipv4 
nf_defrag_ipv4 8021q bridge stp ext2 mbcache dm_round_robin dm_multipath 
nf_conntrack_ipv6 nf_conntrack nf_defrag_ipv6 ipv6 snd_pcm snd_timer snd 
soundcore snd_page_alloc shpchp i2c_nforce2 tpm_tis tpm pci_hotplug 
psmouse evdev i2c_core tpm_bios dcdbas pcspkr joydev ghes serio_raw 
processor thermal_sys hed button xfs exportfs dm_mod sg sr_mod cdrom 
usbhid hid usb_storage ses sd_mod enclosure lpfc scsi_transport_fc 
ohci_hcd scsi_tgt megaraid_sas scsi_mod bnx2 ehci_hcd [last unloaded: 
scsi_wait_sca
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: n]
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.110882]
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.110906] 
Pid: 0, comm: kworker/0:1 Not tainted 2.6.37.2-patchjp-110308-c+ #17 
Dell Inc. PowerEdge M605/0K543T
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.110970] 
RIP: 0010:[<ffffffff81066716>]  [<ffffffff81066716>] 
native_safe_halt+0x6/0x10
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111030] 
RSP: 0018:ffff88045fcd3ea8  EFLAGS: 00000246
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111059] 
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111091] 
RDX: 0000000000000000 RSI: ffff88045fcd3ee4 RDI: 0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111123] 
RBP: ffff88045fcd3ea8 R08: 0000000000000000 R09: 0000000000000001
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111155] 
R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff8159faf0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111186] 
R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111220] 
FS:  00007fb1eafc6740(0000) GS:ffff88087fc40000(0000) knlGS:0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111268] 
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111297] 
CR2: 00007ff12a981de0 CR3: 000000045569f000 CR4: 00000000000006e0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111329] 
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111362] 
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111395] 
Process kworker/0:1 (pid: 0, threadinfo ffff88045fcd2000, task 
ffff88045fcca820)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111442] Stack:
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111463]  
ffff88045fcd3ec8 ffffffff8104a016 ffff88045fcd3ee4 ffffffff8159faf0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111515]  
ffff88045fcd3ef8 ffffffff8104a168 ffff88045fcd3ee8 00000000810b3255
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111566]  
ffff88045fcd2010 ffffffff8159faf0 ffff88045fcd3f28 ffffffff8104003b
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111618] 
Call Trace:
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111648]  
[<ffffffff8104a016>] default_idle+0x46/0xa0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111680]  
[<ffffffff8104a168>] c1e_idle+0x58/0x120
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111712]  
[<ffffffff8104003b>] cpu_idle+0x6b/0xf0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111745]  
[<ffffffff813b7247>] start_secondary+0x1b9/0x1be
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111774] 
Code: 00 00 00 00 00 55 48 89 e5 fa c9 c3 66 0f 1f 84 00 00 00 00 00 55 
48 89 e5 fb c9 c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb f4 <c9> c3 
0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 c9 c3 66 0f 1f 84
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111982] 
Call Trace:
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112007]  
[<ffffffff8104a016>] default_idle+0x46/0xa0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112038]  
[<ffffffff8104a168>] c1e_idle+0x58/0x120
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112069]  
[<ffffffff8104003b>] cpu_idle+0x6b/0xf0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112099]  
[<ffffffff813b7247>] start_secondary+0x1b9/0x1be
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112131] 
Pid: 0, comm: kworker/0:1 Not tainted 2.6.37.2-patchjp-110308-c+ #17
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112176] 
Call Trace:
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112198] 
<NMI>  [<ffffffff8104a786>] ? show_regs+0x26/0x30
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112238]  
[<ffffffff8105fde1>] nmi_watchdog_tick+0x191/0x1b0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112272]  
[<ffffffff81042ef1>] do_nmi+0x1c1/0x2e0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112303]  
[<ffffffff813be5f0>] nmi+0x20/0x30
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112332]  
[<ffffffff81066716>] ? native_safe_halt+0x6/0x10
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112361] 
<<EOE>>  [<ffffffff8104a016>] default_idle+0x46/0xa0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112399]  
[<ffffffff8104a168>] c1e_idle+0x58/0x120
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112430]  
[<ffffffff8104003b>] cpu_idle+0x6b/0xf0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112460]  
[<ffffffff813b7247>] start_secondary+0x1b9/0x1be
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112024] 
NMI backtrace for cpu 2
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112024] CPU 2
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112024] 
Modules linked in: btrfs zlib_deflate crc32c libcrc32c ufs qnx4 hfsplus 
hfs minix ntfs vfat msdos fat jfs reiserfs ext4 jbd2 crc16 ext3 jbd 
vhost_net macvtap macvlan tun veth powernow_k8 mperf cpufreq_userspace 
cpufreq_stats cpufreq_powersave cpufreq_ondemand freq_table 
cpufreq_conservative fuse xt_physdev ip6t_LOG ip6table_filter ip6_tables 
ipt_LOG xt_multiport xt_limit xt_tcpudp xt_state iptable_filter 
ip_tables x_tables nf_conntrack_tftp nf_conntrack_ftp nf_conntrack_ipv4 
nf_defrag_ipv4 8021q bridge stp ext2 mbcache dm_round_robin dm_multipath 
nf_conntrack_ipv6 nf_conntrack nf_defrag_ipv6 ipv6 snd_pcm snd_timer snd 
soundcore snd_page_alloc shpchp i2c_nforce2 tpm_tis tpm pci_hotplug 
psmouse evdev i2c_core tpm_bios dcdbas pcspkr joydev ghes serio_raw 
processor thermal_sys hed button xfs exportfs dm_mod sg sr_mod cdrom 
usbhid hid usb_storage ses sd_mod enclosure lpfc scsi_transport_fc 
ohci_hcd scsi_tgt megaraid_sas scsi_mod bnx2 ehci_hcd [last unloaded: 
scsi_wait_sca
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: n]
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616]
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616] 
Pid: 0, comm: kworker/0:1 Not tainted 2.6.37.2-patchjp-110308-c+ #17 
Dell Inc. PowerEdge M605/0K543T
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616] 
RIP: 0010:[<ffffffff81066716>]  [<ffffffff81066716>] 
native_safe_halt+0x6/0x10
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616] 
RSP: 0018:ffff88045fcc5ea8  EFLAGS: 00000246
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616] 
RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616] 
RDX: 0000000000000000 RSI: ffff88045fcc5ee4 RDI: 0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616] 
RBP: ffff88045fcc5ea8 R08: 0000000000000000 R09: 0000000000000001
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616] 
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff8159faf0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616] 
R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616] 
FS:  00007f66f7754720(0000) GS:ffff88007f840000(0000) knlGS:0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616] 
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616] 
CR2: 00007f241ad1f0b8 CR3: 000000045ea45000 CR4: 00000000000006f0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616] 
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616] 
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616] 
Process kworker/0:1 (pid: 0, threadinfo ffff88045fcc4000, task 
ffff88045fcb87e0)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616] Stack:
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616]  
ffff88045fcc5ec8 ffffffff8104a016 ffff88045fcc5ee4 ffffffff8159faf0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616]  
ffff88045fcc5ef8 ffffffff8104a168 ffff88045fcc5ee8 00000000810b3255
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616]  
ffff88045fcc4010 ffffffff8159faf0 ffff88045fcc5f28 ffffffff8104003b
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616] 
Call Trace:
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616]  
[<ffffffff8104a016>] default_idle+0x46/0xa0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616]  
[<ffffffff8104a168>] c1e_idle+0x58/0x120
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616]  
[<ffffffff8104003b>] cpu_idle+0x6b/0xf0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616]  
[<ffffffff813b7247>] start_secondary+0x1b9/0x1be
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616] 
Code: 00 00 00 00 00 55 48 89 e5 fa c9 c3 66 0f 1f 84 00 00 00 00 00 55 
48 89 e5 fb c9 c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb f4 <c9> c3 
0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 c9 c3 66 0f 1f 84
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616] 
Call Trace:
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616]  
[<ffffffff8104a016>] default_idle+0x46/0xa0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616]  
[<ffffffff8104a168>] c1e_idle+0x58/0x120
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616]  
[<ffffffff8104003b>] cpu_idle+0x6b/0xf0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616]  
[<ffffffff813b7247>] start_secondary+0x1b9/0x1be
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616] 
Pid: 0, comm: kworker/0:1 Not tainted 2.6.37.2-patchjp-110308-c+ #17
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616] 
Call Trace:
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616] 
<NMI>  [<ffffffff8104a786>] ? show_regs+0x26/0x30
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616]  
[<ffffffff8105fde1>] nmi_watchdog_tick+0x191/0x1b0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616]  
[<ffffffff81042ef1>] do_nmi+0x1c1/0x2e0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616]  
[<ffffffff813be5f0>] nmi+0x20/0x30
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616]  
[<ffffffff81066716>] ? native_safe_halt+0x6/0x10
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616] 
<<EOE>>  [<ffffffff8104a016>] default_idle+0x46/0xa0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616]  
[<ffffffff8104a168>] c1e_idle+0x58/0x120
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616]  
[<ffffffff8104003b>] cpu_idle+0x6b/0xf0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112616]  
[<ffffffff813b7247>] start_secondary+0x1b9/0x1be
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112285] 
NMI backtrace for cpu 1
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112285] CPU 1
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112285] 
Modules linked in: btrfs zlib_deflate crc32c libcrc32c ufs qnx4 hfsplus 
hfs minix ntfs vfat msdos fat jfs reiserfs ext4 jbd2 crc16 ext3 jbd 
vhost_net macvtap macvlan tun veth powernow_k8 mperf cpufreq_userspace 
cpufreq_stats cpufreq_powersave cpufreq_ondemand freq_table 
cpufreq_conservative fuse xt_physdev ip6t_LOG ip6table_filter ip6_tables 
ipt_LOG xt_multiport xt_limit xt_tcpudp xt_state iptable_filter 
ip_tables x_tables nf_conntrack_tftp nf_conntrack_ftp nf_conntrack_ipv4 
nf_defrag_ipv4 8021q bridge stp ext2 mbcache dm_round_robin dm_multipath 
nf_conntrack_ipv6 nf_conntrack nf_defrag_ipv6 ipv6 snd_pcm snd_timer snd 
soundcore snd_page_alloc shpchp i2c_nforce2 tpm_tis tpm pci_hotplug 
psmouse evdev i2c_core tpm_bios dcdbas pcspkr joydev ghes serio_raw 
processor thermal_sys hed button xfs exportfs dm_mod sg sr_mod cdrom 
usbhid hid usb_storage ses sd_mod enclosure lpfc scsi_transport_fc 
ohci_hcd scsi_tgt megaraid_sas scsi_mod bnx2 ehci_hcd [last unloaded: 
scsi_wait_sca
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: n]
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112285]
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112285] 
Pid: 0, comm: kworker/0:0 Not tainted 2.6.37.2-patchjp-110308-c+ #17 
Dell Inc. PowerEdge M605/0K543T
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112285] 
RIP: 0010:[<ffffffff81066716>]  [<ffffffff81066716>] 
native_safe_halt+0x6/0x10
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112285] 
RSP: 0018:ffff88045fcb3ea8  EFLAGS: 00000246
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112285] 
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112285] 
RDX: 0000000000000000 RSI: ffff88045fcb3ee4 RDI: 0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112285] 
RBP: ffff88045fcb3ea8 R08: 0000000000000000 R09: ffff88087fc0e408
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112285] 
R10: 000028ce70db0d2f R11: 0000000000000001 R12: ffffffff8159faf0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112285] 
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112285] 
FS:  00007fb8e1893710(0000) GS:ffff88087fc00000(0000) knlGS:0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112285] 
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112285] 
CR2: 00007f241aca71a0 CR3: 000000045ed50000 CR4: 00000000000006e0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112285] 
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112285] 
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112285] 
Process kworker/0:0 (pid: 0, threadinfo ffff88045fcb2000, task 
ffff88045fcaa7a0)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112285] Stack:
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112285]  
ffff88045fcb3ec8 ffffffff8104a016 ffff88045fcb3ee4 ffffffff8159faf0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112285]  
ffff88045fcb3ef8 ffffffff8104a168 ffff88045fcb3ee8 00000000810b3255
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112285]  
ffff88045fcb2010 ffffffff8159faf0 ffff88045fcb3f28 ffffffff8104003b
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112285] 
Call Trace:
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112285]  
[<ffffffff8104a016>] default_idle+0x46/0xa0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112285]  
[<ffffffff8104a168>] c1e_idle+0x58/0x120
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112285]  
[<ffffffff8104003b>] cpu_idle+0x6b/0xf0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112285]  
[<ffffffff813b7247>] start_secondary+0x1b9/0x1be
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112285] 
Code: 00 00 00 00 00 55 48 89 e5 fa c9 c3 66 0f 1f 84 00 00 00 00 00 55 
48 89 e5 fb c9 c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb f4 <c9> c3 
0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 c9 c3 66 0f 1f 84
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112285] 
Call Trace:
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112285]  
[<ffffffff8104a016>] default_idle+0x46/0xa0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112285] 
Call Trace:
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112285] 
<NMI>  [<ffffffff8104a786>] ? show_regs+0x26/0x30
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112285]  
[<ffffffff8105fde1>] nmi_watchdog_tick+0x191/0x1b0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112285]  
[<ffffffff813be5f0>] nmi+0x20/0x30
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112285] 
<<EOE>>  [<ffffffff8104a016>] default_idle+0x46/0xa0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112285]  
[<ffffffff8104a168>] c1e_idle+0x58/0x120
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112285]  
[<ffffffff8104003b>] cpu_idle+0x6b/0xf0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.110896] 
Modules linked in: btrfs zlib_deflate crc32c libcrc32c ufs qnx4 hfsplus 
hfs minix ntfs vfat msdos fat jfs reiserfs ext4 jbd2 crc16 ext3 jbd 
vhost_net macvtap macvlan tun veth powernow_k8 mperf cpufreq_userspace 
cpufreq_stats cpufreq_powersave cpufreq_ondemand freq_table 
cpufreq_conservative fuse xt_physdev ip6t_LOG ip6table_filter ip6_tables 
ipt_LOG xt_multiport xt_limit xt_tcpudp xt_state iptable_filter 
ip_tables x_tables nf_conntrack_tftp nf_conntrack_ftp nf_conntrack_ipv4 
nf_defrag_ipv4 8021q bridge stp ext2 mbcache dm_round_robin dm_multipath 
nf_conntrack_ipv6 nf_conntrack nf_defrag_ipv6 ipv6 snd_pcm snd_timer snd 
soundcore snd_page_alloc shpchp i2c_nforce2 tpm_tis tpm pci_hotplug 
psmouse evdev i2c_core tpm_bios dcdbas pcspkr joydev ghes serio_raw 
processor thermal_sys hed button xfs exportfs dm_mod sg sr_mod cdrom 
usbhid hid usb_storage ses sd_mod enclosure lpfc scsi_transport_fc 
ohci_hcd scsi_tgt megaraid_sas scsi_mod bnx2 ehci_hcd [last unloaded: 
scsi_wait_sca
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.110896] 
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.110896] 
RDX: 0000000000000000 RSI: ffff88045fd11ee4 RDI: 0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.110896]  
ffff88045fd11ef8 ffffffff8104a168 ffff88045fd11ee8 00000000810b3255
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.110896]  
ffff88045fd10010 ffffffff8159faf0 ffff88045fd11f28 ffffffff8104003b
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.110896] 
Call Trace:
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.110896]  
[<ffffffff8104a016>] default_idle+0x46/0xa0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.110896]  
[<ffffffff8104a168>] c1e_idle+0x58/0x120
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.110896]  
[<ffffffff8104003b>] cpu_idle+0x6b/0xf0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.110896]  
[<ffffffff813b7247>] start_secondary+0x1b9/0x1be
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.110896] 
Code: 00 00 00 00 00 55 48 89 e5 fa c9 c3 66 0f 1f 84 00 00 00 00 00 55 
48 89 e5 fb c9 c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb f4 <c9> c3 
0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 c9 c3 66 0f 1f 84
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.119695] 
Call Trace:
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.119695]  
[<ffffffff8104a016>] default_idle+0x46/0xa0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.119695]  
[<ffffffff8104a168>] c1e_idle+0x58/0x120
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.119695]  
[<ffffffff8104003b>] cpu_idle+0x6b/0xf0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.119985]  
[<ffffffff813b7247>] start_secondary+0x1b9/0x1be
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.119985] 
Pid: 0, comm: kworker/0:1 Not tainted 2.6.37.2-patchjp-110308-c+ #17
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.119985] 
Call Trace:
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.119985] 
<NMI>  [<ffffffff8104a786>] ? show_regs+0x26/0x30
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.120119]  
[<ffffffff8105fde1>] nmi_watchdog_tick+0x191/0x1b0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.120164]  
[<ffffffff81042ef1>] do_nmi+0x1c1/0x2e0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112018] 
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112018] 
CR2: 00007f241ad1f0b8 CR3: 000000045ed50000 CR4: 00000000000006e0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112018] 
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112018] 
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112018] 
Process kworker/0:1 (pid: 0, threadinfo ffff88045fd00000, task 
ffff88045fcd8860)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112018] Stack:
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112018]  
ffff88045fd01ec8 ffffffff8104a016 ffff88045fd01ee4 ffffffff8159faf0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112018]  
ffff88045fd01ef8 ffffffff8104a168 ffff88045fd01ee8 00000000810b3255
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112018]  
ffff88045fd00010 ffffffff8159faf0 ffff88045fd01f28 ffffffff8104003b
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112018] 
Call Trace:
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112018]  
[<ffffffff8104003b>] cpu_idle+0x6b/0xf0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112018]  
[<ffffffff8104003b>] cpu_idle+0x6b/0xf0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112018]  
[<ffffffff813b7247>] start_secondary+0x1b9/0x1be
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112018]  
[<ffffffff813be5f0>] nmi+0x20/0x30
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.112018]  
[<ffffffff813b7247>] start_secondary+0x1b9/0x1be
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.123585] 
NMI backtrace for cpu 7
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: n]
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.124502] 
RAX: 0000000000000000 RBX: 0000000000000007 RCX: 0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.125007] 
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.125206] Stack:
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108015] 
Modules linked in: btrfs zlib_deflate crc32c libcrc32c ufs qnx4 hfsplus 
hfs minix ntfs vfat msdos fat jfs reiserfs ext4 jbd2 crc16 ext3 jbd 
vhost_net macvtap macvlan tun veth powernow_k8 mperf cpufreq_userspace 
cpufreq_stats cpufreq_powersave cpufreq_ondemand freq_table 
cpufreq_conservative fuse xt_physdev ip6t_LOG ip6table_filter ip6_tables 
ipt_LOG xt_multiport xt_limit xt_tcpudp xt_state iptable_filter 
ip_tables x_tables nf_conntrack_tftp nf_conntrack_ftp nf_conntrack_ipv4 
nf_defrag_ipv4 8021q bridge stp ext2 mbcache dm_round_robin dm_multipath 
nf_conntrack_ipv6 nf_conntrack nf_defrag_ipv6 ipv6 snd_pcm snd_timer snd 
soundcore snd_page_alloc shpchp i2c_nforce2 tpm_tis tpm pci_hotplug 
psmouse evdev i2c_core tpm_bios dcdbas pcspkr joydev ghes serio_raw 
processor thermal_sys hed button xfs exportfs dm_mod sg sr_mod cdrom 
usbhid hid usb_storage ses sd_mod enclosure lpfc scsi_transport_fc 
ohci_hcd scsi_tgt megaraid_sas scsi_mod bnx2 ehci_hcd [last unloaded: 
scsi_wait_sca
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: n]
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108015]
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108015] 
Pid: 0, comm: kworker/0:1 Not tainted 2.6.37.2-patchjp-110308-c+ #17 
Dell Inc. PowerEdge M605/0K543T
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108015] 
RIP: 0010:[<ffffffff81066716>]  [<ffffffff81066716>] 
native_safe_halt+0x6/0x10
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108015] 
RSP: 0018:ffff88045fd23ea8  EFLAGS: 00000246
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108015] 
RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108015] 
RDX: 0000000000000000 RSI: ffff88045fd23ee4 RDI: 0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108015] 
RBP: ffff88045fd23ea8 R08: 0000000000000000 R09: ffff88007f8ce408
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108015] 
R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff8159faf0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108015] Stack:
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108015]  
ffff88045fd23ec8 ffffffff8104a016 ffff88045fd23ee4 ffffffff8159faf0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108015] 
Call Trace:
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108015]  
[<ffffffff8104003b>] cpu_idle+0x6b/0xf0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108015]  
[<ffffffff813b7247>] start_secondary+0x1b9/0x1be
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108015] 
Call Trace:
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108015]  
[<ffffffff8104003b>] cpu_idle+0x6b/0xf0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108015]  
[<ffffffff813b7247>] start_secondary+0x1b9/0x1be
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108015]  
[<ffffffff813be5f0>] nmi+0x20/0x30
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108015]  
[<ffffffff8104003b>] cpu_idle+0x6b/0xf0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108015]  
[<ffffffff813b7247>] start_secondary+0x1b9/0x1be
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.126621] 
Modules linked in: btrfs zlib_deflate crc32c libcrc32c ufs qnx4 hfsplus 
hfs minix ntfs vfat msdos fat jfs reiserfs ext4 jbd2 crc16 ext3 jbd 
vhost_net macvtap macvlan tun veth powernow_k8 mperf cpufreq_userspace 
cpufreq_stats cpufreq_powersave cpufreq_ondemand freq_table 
cpufreq_conservative fuse xt_physdev ip6t_LOG ip6table_filter ip6_tables 
ipt_LOG xt_multiport xt_limit xt_tcpudp xt_state iptable_filter 
ip_tables x_tables nf_conntrack_tftp nf_conntrack_ftp nf_conntrack_ipv4 
nf_defrag_ipv4 8021q bridge stp ext2 mbcache dm_round_robin dm_multipath 
nf_conntrack_ipv6 nf_conntrack nf_defrag_ipv6 ipv6 snd_pcm snd_timer snd 
soundcore snd_page_alloc shpchp i2c_nforce2 tpm_tis tpm pci_hotplug 
psmouse evdev i2c_core tpm_bios dcdbas pcspkr joydev ghes serio_raw 
processor thermal_sys hed button xfs exportfs dm_mod sg sr_mod cdrom 
usbhid hid usb_storage ses sd_mod enclosure lpfc scsi_transport_fc 
ohci_hcd scsi_tgt megaraid_sas scsi_mod bnx2 ehci_hcd [last unloaded: 
scsi_wait_sca
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: n]
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.126621] 
R10: 000028ce766a74a3 R11: 0000000000000001 R12: ffffffff8159faf0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.126621] 
R13: 0000000000000009 R14: 0000000000000000 R15: 0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.126621] 
FS:  00007fa0cb316710(0000) GS:ffff88087fd00000(0000) knlGS:0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.126621] 
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.126621] 
CR2: 0000000000e64048 CR3: 000000045ea45000 CR4: 00000000000006e0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.126621] 
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.126621] 
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.126621] 
Process kworker/0:1 (pid: 0, threadinfo ffff88045fd6e000, task 
ffff88045fd669a0)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.126621] Stack:
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.126621]  
ffff88045fd6fec8 ffffffff8104a016 ffff88045fd6fee4 ffffffff8159faf0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.126621]  
ffff88045fd6fef8 ffffffff8104a168 ffff88045fd6fee8 00000000810b3255
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.126621]  
ffff88045fd6e010 ffffffff8159faf0 ffff88045fd6ff28 ffffffff8104003b
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.126621] 
Call Trace:
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.126621]  
[<ffffffff8104a016>] default_idle+0x46/0xa0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.126621]  
[<ffffffff8104a168>] c1e_idle+0x58/0x120
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.126621]  
[<ffffffff8104003b>] cpu_idle+0x6b/0xf0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.126621]  
[<ffffffff813b7247>] start_secondary+0x1b9/0x1be
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.126621] 
Code: 00 00 00 00 00 55 48 89 e5 fa c9 c3 66 0f 1f 84 00 00 00 00 00 55 
48 89 e5 fb c9 c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb f4 <c9> c3 
0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 c9 c3 66 0f 1f 84
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.126621] 
Call Trace:
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.126621]  
[<ffffffff8104a016>] default_idle+0x46/0xa0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.126621]  
[<ffffffff8104a168>] c1e_idle+0x58/0x120
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.126621]  
[<ffffffff8104003b>] cpu_idle+0x6b/0xf0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.126621]  
[<ffffffff813b7247>] start_secondary+0x1b9/0x1be
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.126621] 
Pid: 0, comm: kworker/0:1 Not tainted 2.6.37.2-patchjp-110308-c+ #17
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.126621] 
Call Trace:
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.126621] 
<NMI>  [<ffffffff8104a786>] ? show_regs+0x26/0x30
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.126621]  
[<ffffffff8105fde1>] nmi_watchdog_tick+0x191/0x1b0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.126621]  
[<ffffffff81042ef1>] do_nmi+0x1c1/0x2e0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.126621]  
[<ffffffff813be5f0>] nmi+0x20/0x30
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.126621]  
[<ffffffff81066716>] ? native_safe_halt+0x6/0x10
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.126621] 
<<EOE>>  [<ffffffff8104a016>] default_idle+0x46/0xa0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.126621]  
[<ffffffff8104a168>] c1e_idle+0x58/0x120
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.126621]  
[<ffffffff8104003b>] cpu_idle+0x6b/0xf0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.126621]  
[<ffffffff813b7247>] start_secondary+0x1b9/0x1be
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333] 
NMI backtrace for cpu 11
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333] 
CPU 11
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333] 
Modules linked in: btrfs zlib_deflate crc32c libcrc32c ufs qnx4 hfsplus 
hfs minix ntfs vfat msdos fat jfs reiserfs ext4 jbd2 crc16 ext3 jbd 
vhost_net macvtap macvlan tun veth powernow_k8 mperf cpufreq_userspace 
cpufreq_stats cpufreq_powersave cpufreq_ondemand freq_table 
cpufreq_conservative fuse xt_physdev ip6t_LOG ip6table_filter ip6_tables 
ipt_LOG xt_multiport xt_limit xt_tcpudp xt_state iptable_filter 
ip_tables x_tables nf_conntrack_tftp nf_conntrack_ftp nf_conntrack_ipv4 
nf_defrag_ipv4 8021q bridge stp ext2 mbcache dm_round_robin dm_multipath 
nf_conntrack_ipv6 nf_conntrack nf_defrag_ipv6 ipv6 snd_pcm snd_timer snd 
soundcore snd_page_alloc shpchp i2c_nforce2 tpm_tis tpm pci_hotplug 
psmouse evdev i2c_core tpm_bios dcdbas pcspkr joydev ghes serio_raw 
processor thermal_sys hed button xfs exportfs dm_mod sg sr_mod cdrom 
usbhid hid usb_storage ses sd_mod enclosure lpfc scsi_transport_fc 
ohci_hcd scsi_tgt megaraid_sas scsi_mod bnx2 ehci_hcd [last unloaded: 
scsi_wait_sca
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: n]
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333]
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333] 
Pid: 0, comm: kworker/0:1 Not tainted 2.6.37.2-patchjp-110308-c+ #17 
Dell Inc. PowerEdge M605/0K543T
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333] 
RIP: 0010:[<ffffffff81066716>]  [<ffffffff81066716>] 
native_safe_halt+0x6/0x10
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333] 
RSP: 0018:ffff88045fd8fea8  EFLAGS: 00000246
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333] 
RAX: 0000000000000000 RBX: 000000000000000b RCX: 0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333] 
RDX: 0000000000000000 RSI: ffff88045fd8fee4 RDI: 0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333] 
RBP: ffff88045fd8fea8 R08: 0000000000000000 R09: ffff88087fd4e408
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333] 
R10: 000028ce71c3578e R11: 0000000000000001 R12: ffffffff8159faf0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333] 
R13: 000000000000000b R14: 0000000000000000 R15: 0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333] 
FS:  00007fa0ce156740(0000) GS:ffff88087fd40000(0000) knlGS:0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333] 
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333] 
CR2: 00007f2421c3eae0 CR3: 000000045ea45000 CR4: 00000000000006e0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333] 
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333] 
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333] 
Process kworker/0:1 (pid: 0, threadinfo ffff88045fd8e000, task 
ffff88045fd86a20)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333] Stack:
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333]  
ffff88045fd8fec8 ffffffff8104a016 ffff88045fd8fee4 ffffffff8159faf0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333]  
ffff88045fd8fef8 ffffffff8104a168 ffff88045fd8fee8 00000000810b3255
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333]  
ffff88045fd8e010 ffffffff8159faf0 ffff88045fd8ff28 ffffffff8104003b
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333] 
Call Trace:
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333]  
[<ffffffff8104a016>] default_idle+0x46/0xa0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333]  
[<ffffffff8104a168>] c1e_idle+0x58/0x120
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333]  
[<ffffffff8104003b>] cpu_idle+0x6b/0xf0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333]  
[<ffffffff813b7247>] start_secondary+0x1b9/0x1be
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333] 
Code: 00 00 00 00 00 55 48 89 e5 fa c9 c3 66 0f 1f 84 00 00 00 00 00 55 
48 89 e5 fb c9 c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb f4 <c9> c3 
0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 c9 c3 66 0f 1f 84
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333] 
Call Trace:
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333]  
[<ffffffff8104a016>] default_idle+0x46/0xa0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333]  
[<ffffffff8104a168>] c1e_idle+0x58/0x120
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333]  
[<ffffffff8104003b>] cpu_idle+0x6b/0xf0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333]  
[<ffffffff813b7247>] start_secondary+0x1b9/0x1be
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333] 
Pid: 0, comm: kworker/0:1 Not tainted 2.6.37.2-patchjp-110308-c+ #17
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333] 
Call Trace:
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333] 
<NMI>  [<ffffffff8104a786>] ? show_regs+0x26/0x30
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333]  
[<ffffffff8105fde1>] nmi_watchdog_tick+0x191/0x1b0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333]  
[<ffffffff81042ef1>] do_nmi+0x1c1/0x2e0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333]  
[<ffffffff813be5f0>] nmi+0x20/0x30
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333]  
[<ffffffff81066716>] ? native_safe_halt+0x6/0x10
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333] 
<<EOE>>  [<ffffffff8104a016>] default_idle+0x46/0xa0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333]  
[<ffffffff8104a168>] c1e_idle+0x58/0x120
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333]  
[<ffffffff8104003b>] cpu_idle+0x6b/0xf0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.111333]  
[<ffffffff813b7247>] start_secondary+0x1b9/0x1be
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108010] 
NMI backtrace for cpu 8
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108010] CPU 8
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108010] 
Modules linked in: btrfs zlib_deflate crc32c libcrc32c ufs qnx4 hfsplus 
hfs minix ntfs vfat msdos fat jfs reiserfs ext4 jbd2 crc16 ext3 jbd 
vhost_net macvtap macvlan tun veth powernow_k8 mperf cpufreq_userspace 
cpufreq_stats cpufreq_powersave cpufreq_ondemand freq_table 
cpufreq_conservative fuse xt_physdev ip6t_LOG ip6table_filter ip6_tables 
ipt_LOG xt_multiport xt_limit xt_tcpudp xt_state iptable_filter 
ip_tables x_tables nf_conntrack_tftp nf_conntrack_ftp nf_conntrack_ipv4 
nf_defrag_ipv4 8021q bridge stp ext2 mbcache dm_round_robin dm_multipath 
nf_conntrack_ipv6 nf_conntrack nf_defrag_ipv6 ipv6 snd_pcm snd_timer snd 
soundcore snd_page_alloc shpchp i2c_nforce2 tpm_tis tpm pci_hotplug 
psmouse evdev i2c_core tpm_bios dcdbas pcspkr joydev ghes serio_raw 
processor thermal_sys hed button xfs exportfs dm_mod sg sr_mod cdrom 
usbhid hid usb_storage ses sd_mod enclosure lpfc scsi_transport_fc 
ohci_hcd scsi_tgt megaraid_sas scsi_mod bnx2 ehci_hcd [last unloaded: 
scsi_wait_sca
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: n]
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108010]
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108010] 
Pid: 0, comm: kworker/0:1 Not tainted 2.6.37.2-patchjp-110308-c+ #17 
Dell Inc. PowerEdge M605/0K543T
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108010] 
RIP: 0010:[<ffffffff81066716>]  [<ffffffff81066716>] 
native_safe_halt+0x6/0x10
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108010] 
RSP: 0018:ffff88045fd63ea8  EFLAGS: 00000246
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108010] 
RAX: 0000000000000000 RBX: 0000000000000008 RCX: 0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108010] 
RDX: 0000000000000000 RSI: ffff88045fd63ee4 RDI: 0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108010] 
RBP: ffff88045fd63ea8 R08: 0000000000000000 R09: ffff88007f90e408
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108010] 
R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff8159faf0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108010] 
R13: 0000000000000008 R14: 0000000000000000 R15: 0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108010] 
FS:  00007fb8e0891710(0000) GS:ffff88007f900000(0000) knlGS:0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108010] 
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108010] 
CR2: 0000000000e63f28 CR3: 000000045ed50000 CR4: 00000000000006e0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108010] 
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108010] 
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108010] 
Process kworker/0:1 (pid: 0, threadinfo ffff88045fd62000, task 
ffff88045fd34960)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108010] Stack:
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108010]  
ffff88045fd63ec8 ffffffff8104a016 ffff88045fd63ee4 ffffffff8159faf0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108010]  
ffff88045fd63ef8 ffffffff8104a168 ffff88045fd63ee8 00000000810b3255
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108010]  
ffff88045fd62010 ffffffff8159faf0 ffff88045fd63f28
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.136088] 
kvm_irqfd_deassign(kvm=ffff8804542d0000, gsi=24)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.136098] 
irqfd_deactivate(irqfd=ffff880853b8caa0,kvm=ffff8804542d0000, gsi=24)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108010]  
[<ffffffff813b7247>] start_secondary+0x1b9/0x1be
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108010] 
Code: 00 00 00 00 00 55 48 89 e5 fa c9 c3 66 0f 1f 84 00 00 00 00 00 55 
48 89 e5 fb c9 c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb f4 <c9> c3 0f
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.136661] 
kvm_irqfd_deassign(kvm=ffff8804542d0000, gsi=24)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.136665] 
irqfd_deactivate(irqfd=ffff880810a21e00,kvm=ffff8804542d0000, gsi=24)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.136702] 
irqfd_shutdown(work=ffff880810a21e80,irqfd=ffff880810a21e00,kvm=ffff8804542d0000, 
gsi=24)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.136709] 
remove wq at irqfd_shutdown(work=ffff880810a21e80,irqfd=ffff880810a21e00)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.136715] 
kfree at irqfd_shutdown(work=ffff880810a21e80,irqfd=ffff880810a21e00)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108010] 1f 
84 00 00 00
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.136910] 
kvm_irqfd_assign(irqfd=ffff880853b8caa0,kvm=ffff8804542d0000, gsi=24)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108010] 00 
00 55 48 89 e5 f4 c9 c3 66 0f 1f 84
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108010] 
Call Trace:
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108010]  
[<ffffffff8104a016>] default_idle+0x46/0xa0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108010]  
[<ffffffff8104a168>] c1e_idle+0x58/0x120
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.108010]  
[<ffffffff8104003b>] cpu_idle+0x6b/0xf0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.136975] 
Pid: 0, comm: kworker/0:1 Not tainted 2.6.37.2-patchjp-110308-c+ #17
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.136975] 
Call Trace:
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.136975] 
<NMI>  [<ffffffff8104a786>] ? show_regs+0x26/0x30
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.136975]  
[<ffffffff8105fde1>] nmi_watchdog_tick+0x191/0x1b0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.136975]  
[<ffffffff813be5f0>] nmi+0x20/0x30
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.136975]  
[<ffffffff81066716>] ? native_safe_halt+0x6/0x10
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.120004] 
FS:  00007f2787814700(0000) GS:ffff88007f940000(0000) knlGS:0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.120004] 
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.120004] 
CR2: 0000000000e63f28 CR3: 000000045ea45000 CR4: 00000000000006e0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.120004] 
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.120004] 
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.120004] 
Process kworker/0:1 (pid: 0, threadinfo ffff88045fd80000, task 
ffff88045fd769e0)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.120004] Stack:
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.120004]  
ffff88045fd81ec8 ffffffff8104a016 ffff88045fd81ee4 ffffffff8159faf0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.120004]  
ffff88045fd81ef8 ffffffff8104a168 ffff88045fd81ee8 00000000810b3255
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.120004]  
ffff88045fd80010 ffffffff8159faf0 ffff88045fd81f28 ffffffff8104003b
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.120004] 
Call Trace:
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.120004]  
[<ffffffff8104a016>] default_idle+0x46/0xa0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.120004]  
[<ffffffff8104003b>] cpu_idle+0x6b/0xf0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.120004]  
[<ffffffff813b7247>] start_secondary+0x1b9/0x1be
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.120004]  
[<ffffffff8104003b>] cpu_idle+0x6b/0xf0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.120004]  
[<ffffffff813b7247>] start_secondary+0x1b9/0x1be
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.120004]  
[<ffffffff81042ef1>] do_nmi+0x1c1/0x2e0
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.120004]  
[<ffffffff813b7247>] start_secondary+0x1b9/0x1be
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.148658] 
kvm_irqfd_deassign(kvm=ffff8804542d0000, gsi=24)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.148687] 
irqfd_deactivate(irqfd=ffff880853b8caa0,kvm=ffff8804542d0000, gsi=24)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.148759] 
irqfd_shutdown(work=ffff880853b8cb20,irqfd=ffff880853b8caa0,kvm=ffff8804542d0000, 
gsi=24)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.148814] 
remove wq at irqfd_shutdown(work=ffff880853b8cb20,irqfd=ffff880853b8caa0)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.148862] 
kfree at irqfd_shutdown(work=ffff880853b8cb20,irqfd=ffff880853b8caa0)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.149086] 
kvm_irqfd_assign(irqfd=ffff88081a190b78,kvm=ffff8804542d0000, gsi=24)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.149379] 
kvm_irqfd_deassign(kvm=ffff8804542d0000, gsi=48)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.149416] 
irqfd_deactivate(irqfd=ffff88045efd3740,kvm=ffff8804542d0000, gsi=48)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.149540] 
irqfd_shutdown(work=ffff88045efd37c0,irqfd=ffff88045efd3740,kvm=ffff8804542d0000, 
gsi=48)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.149594] 
remove wq at irqfd_shutdown(work=ffff88045efd37c0,irqfd=ffff88045efd3740)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.149643] 
kfree at irqfd_shutdown(work=ffff88045efd37c0,irqfd=ffff88045efd3740)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.149922] 
kvm_irqfd_assign(irqfd=ffff88080f7aa818,kvm=ffff8804542d0000, gsi=48)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.171869] 
kvm_irqfd_deassign(kvm=ffff8804542d0000, gsi=24)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.171907] 
irqfd_deactivate(irqfd=ffff88081a190b78,kvm=ffff8804542d0000, gsi=24)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.171989] 
irqfd_shutdown(work=ffff88081a190bf8,irqfd=ffff88081a190b78,kvm=ffff8804542d0000, 
gsi=24)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.172111] 
remove wq at irqfd_shutdown(work=ffff88081a190bf8,irqfd=ffff88081a190b78)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.172160] 
kfree at irqfd_shutdown(work=ffff88081a190bf8,irqfd=ffff88081a190b78)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.172493] 
kvm_irqfd_assign(irqfd=ffff88083b062308,kvm=ffff8804542d0000, gsi=24)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.172672] 
kvm_irqfd_deassign(kvm=ffff8804542d0000, gsi=24)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.172710] 
irqfd_deactivate(irqfd=ffff88083b062308,kvm=ffff8804542d0000, gsi=24)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.172782] 
irqfd_shutdown(work=ffff88083b062388,irqfd=ffff88083b062308,kvm=ffff8804542d0000, 
gsi=24)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.172836] 
remove wq at irqfd_shutdown(work=ffff88083b062388,irqfd=ffff88083b062308)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.172884] 
kfree at irqfd_shutdown(work=ffff88083b062388,irqfd=ffff88083b062308)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.173074] 
kvm_irqfd_assign(irqfd=ffff88081a190230,kvm=ffff8804542d0000, gsi=24)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.175303] 
kvm_irqfd_deassign(kvm=ffff8804542d0000, gsi=24)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.175339] 
irqfd_deactivate(irqfd=ffff88081a190230,kvm=ffff8804542d0000, gsi=24)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.175466] 
irqfd_shutdown(work=ffff88081a1902b0,irqfd=ffff88081a190230,kvm=ffff8804542d0000, 
gsi=24)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.175521] 
remove wq at irqfd_shutdown(work=ffff88081a1902b0,irqfd=ffff88081a190230)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.175569] 
kfree at irqfd_shutdown(work=ffff88081a1902b0,irqfd=ffff88081a190230)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.175769] 
kvm_irqfd_assign(irqfd=ffff88045eabb668,kvm=ffff8804542d0000, gsi=24)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.176002] 
kvm_irqfd_deassign(kvm=ffff8804542d0000, gsi=24)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.176058] 
irqfd_deactivate(irqfd=ffff88045eabb668,kvm=ffff8804542d0000, gsi=24)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.176122] 
irqfd_shutdown(work=ffff88045eabb6e8,irqfd=ffff88045eabb668,kvm=ffff8804542d0000, 
gsi=24)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.176177] 
remove wq at irqfd_shutdown(work=ffff88045eabb6e8,irqfd=ffff88045eabb668)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.176225] 
kfree at irqfd_shutdown(work=ffff88045eabb6e8,irqfd=ffff88045eabb668)
Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: [44867.176427] 
kvm_irqfd_assign(irqfd=ffff88045ed96c50,kvm=ffff8804542d0000, gsi=24


You can find all the trace at the following adress:
http://filex.univ-nantes.fr/get?k=R94kna5sckVmdvCoKsn

It's a tar.gz of seven file, from 100k to 200k each ;)

Again, thanks a lot for the time you spent on this.

Regards.

Patch

diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c
index 3cb679b..63aeba5 100644
--- a/virt/kvm/eventfd.c
+++ b/virt/kvm/eventfd.c
@@ -92,6 +92,8 @@  irqfd_shutdown(struct work_struct *work)
 	 * further events.
 	 */
 	eventfd_ctx_remove_wait_queue(irqfd->eventfd, &irqfd->wait, &cnt);
+	printk(KERN_ERR "remove wq at %s(work=%p,irqfd=%p)\n", __func__,
+	       work, irqfd);
 
 	/*
 	 * We know no new events will be scheduled at this point, so block
@@ -142,6 +144,13 @@  irqfd_wakeup(wait_queue_t *wait, unsigned mode, int sync, void *key)
 	struct _irqfd *irqfd = container_of(wait, struct _irqfd, wait);
 	unsigned long flags = (unsigned long)key;
 
+	if (irqfd->kvm == KVM_BAD_PTR) {
+		printk(KERN_ERR "Wakeup bug detected! flags 0x%lx\n", flags);
+		printk(KERN_ERR "%s(work=%p,irqfd=%p,kvm=%p,gsi=%d)\n", __func__,
+			&irqfd->inject, irqfd, irqfd->kvm, irqfd->gsi);
+		trigger_all_cpu_backtrace();
+		return 0;
+	}
 	if (flags & POLLIN)
 		/* An event has been signaled, inject an interrupt */
 		schedule_work(&irqfd->inject);
@@ -153,6 +162,9 @@  irqfd_wakeup(wait_queue_t *wait, unsigned mode, int sync, void *key)
 
 		spin_lock_irqsave(&kvm->irqfds.lock, flags);
 
+		printk(KERN_ERR "%s(work=%p,irqfd=%p,kvm=%p,gsi=%d,active=%d)\n", __func__,
+			&irqfd->inject, irqfd, irqfd->kvm, irqfd->gsi,
+			irqfd_is_active(irqfd));
 		/*
 		 * We must check if someone deactivated the irqfd before
 		 * we could acquire the irqfds.lock since the item is