From patchwork Tue Mar 15 14:32:30 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Michael S. Tsirkin" X-Patchwork-Id: 86991 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id DFB25B702C for ; Wed, 16 Mar 2011 01:33:54 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757972Ab1COOdg (ORCPT ); Tue, 15 Mar 2011 10:33:36 -0400 Received: from mx1.redhat.com ([209.132.183.28]:48207 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757849Ab1COOdd (ORCPT ); Tue, 15 Mar 2011 10:33:33 -0400 Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id p2FEWg2Q016773 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 15 Mar 2011 10:32:42 -0400 Received: from redhat.com (vpn-200-122.tlv.redhat.com [10.35.200.122]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id p2FEWdKe028337; Tue, 15 Mar 2011 10:32:40 -0400 Date: Tue, 15 Mar 2011 16:32:30 +0200 From: "Michael S. Tsirkin" To: Jean-Philippe Menil Cc: netdev@vger.kernel.org, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org Subject: Re: Bug inkvm_set_irq Message-ID: <20110315143230.GA6911@redhat.com> References: <20110303155533.GA13310@redhat.com> <4D70AF3B.5080007@univ-nantes.fr> <20110304093500.GA31844@redhat.com> <4D70B339.3080001@univ-nantes.fr> <20110308111320.GA8002@redhat.com> <4D77727B.2000207@univ-nantes.fr> <20110309130000.GA30297@redhat.com> <4D777CDA.3050500@univ-nantes.fr> <20110309135918.GA31019@redhat.com> <4D788EF4.7040807@univ-nantes.fr> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <4D788EF4.7040807@univ-nantes.fr> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.67 on 10.5.11.11 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Thu, Mar 10, 2011 at 09:42:28AM +0100, Jean-Philippe Menil wrote: > 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 > >>>>> #include > >>>>> #include > >>>>>+#include > >>>>> > >>>>> #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] [] 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:[] [] > 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] [] ? irqfd_inject+0x0/0xa0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108011] [] physflat_send_IPI_all+0x12/0x20 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108011] [] > arch_trigger_all_cpu_backtrace+0x3c/0x70 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108011] [] irqfd_inject+0x8f/0xa0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108011] [] process_one_work+0x11b/0x450 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108011] [] worker_thread+0x157/0x410 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108011] [] ? __wake_up_common+0x59/0x90 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108011] [] ? worker_thread+0x0/0x410 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108011] [] kthread+0x96/0xa0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108011] [] kernel_thread_helper+0x4/0x10 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108011] [] ? kthread+0x0/0xa0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108011] [] ? 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] [] ? irqfd_inject+0x0/0xa0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108011] [] physflat_send_IPI_all+0x12/0x20 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108011] [] > arch_trigger_all_cpu_backtrace+0x3c/0x70 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108011] [] irqfd_inject+0x8f/0xa0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108011] [] process_one_work+0x11b/0x450 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108011] [] worker_thread+0x157/0x410 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108011] [] ? __wake_up_common+0x59/0x90 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108011] [] ? worker_thread+0x0/0x410 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108011] [] kthread+0x96/0xa0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108011] [] kernel_thread_helper+0x4/0x10 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108011] [] ? kthread+0x0/0xa0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108011] [] ? 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] [] ? show_regs+0x26/0x30 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108011] [] nmi_watchdog_tick+0x191/0x1b0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108011] [] do_nmi+0x1c1/0x2e0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108011] [] nmi+0x20/0x30 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108011] [] ? > default_send_IPI_mask_sequence_phys+0xbb/0xe0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108011] <> [] ? irqfd_inject+0x0/0xa0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108011] [] physflat_send_IPI_all+0x12/0x20 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108011] [] > arch_trigger_all_cpu_backtrace+0x3c/0x70 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108011] [] irqfd_inject+0x8f/0xa0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108011] [] process_one_work+0x11b/0x450 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108011] [] worker_thread+0x157/0x410 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108011] [] ? __wake_up_common+0x59/0x90 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108011] [] ? worker_thread+0x0/0x410 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108011] [] kthread+0x96/0xa0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108011] [] kernel_thread_helper+0x4/0x10 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108011] [] ? kthread+0x0/0xa0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108011] [] ? 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:[] [] > 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] [] default_idle+0x46/0xa0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.111680] [] c1e_idle+0x58/0x120 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.111712] [] cpu_idle+0x6b/0xf0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.111745] [] 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 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] [] default_idle+0x46/0xa0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.112038] [] c1e_idle+0x58/0x120 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.112069] [] cpu_idle+0x6b/0xf0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.112099] [] 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] [] ? show_regs+0x26/0x30 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.112238] [] nmi_watchdog_tick+0x191/0x1b0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.112272] [] do_nmi+0x1c1/0x2e0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.112303] [] nmi+0x20/0x30 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.112332] [] ? native_safe_halt+0x6/0x10 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.112361] <> [] default_idle+0x46/0xa0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.112399] [] c1e_idle+0x58/0x120 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.112430] [] cpu_idle+0x6b/0xf0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.112460] [] 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:[] [] > 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] [] default_idle+0x46/0xa0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.112616] [] c1e_idle+0x58/0x120 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.112616] [] cpu_idle+0x6b/0xf0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.112616] [] 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 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] [] default_idle+0x46/0xa0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.112616] [] c1e_idle+0x58/0x120 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.112616] [] cpu_idle+0x6b/0xf0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.112616] [] 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] [] ? show_regs+0x26/0x30 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.112616] [] nmi_watchdog_tick+0x191/0x1b0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.112616] [] do_nmi+0x1c1/0x2e0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.112616] [] nmi+0x20/0x30 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.112616] [] ? native_safe_halt+0x6/0x10 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.112616] <> [] default_idle+0x46/0xa0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.112616] [] c1e_idle+0x58/0x120 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.112616] [] cpu_idle+0x6b/0xf0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.112616] [] 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:[] [] > 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] [] default_idle+0x46/0xa0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.112285] [] c1e_idle+0x58/0x120 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.112285] [] cpu_idle+0x6b/0xf0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.112285] [] 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 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] [] 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] [] ? show_regs+0x26/0x30 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.112285] [] nmi_watchdog_tick+0x191/0x1b0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.112285] [] nmi+0x20/0x30 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.112285] <> [] default_idle+0x46/0xa0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.112285] [] c1e_idle+0x58/0x120 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.112285] [] 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] [] default_idle+0x46/0xa0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.110896] [] c1e_idle+0x58/0x120 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.110896] [] cpu_idle+0x6b/0xf0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.110896] [] 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 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] [] default_idle+0x46/0xa0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.119695] [] c1e_idle+0x58/0x120 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.119695] [] cpu_idle+0x6b/0xf0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.119985] [] 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] [] ? show_regs+0x26/0x30 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.120119] [] nmi_watchdog_tick+0x191/0x1b0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.120164] [] 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] [] cpu_idle+0x6b/0xf0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.112018] [] cpu_idle+0x6b/0xf0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.112018] [] start_secondary+0x1b9/0x1be > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.112018] [] nmi+0x20/0x30 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.112018] [] 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:[] [] > 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] [] cpu_idle+0x6b/0xf0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108015] [] 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] [] cpu_idle+0x6b/0xf0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108015] [] start_secondary+0x1b9/0x1be > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108015] [] nmi+0x20/0x30 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108015] [] cpu_idle+0x6b/0xf0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108015] [] 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] [] default_idle+0x46/0xa0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.126621] [] c1e_idle+0x58/0x120 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.126621] [] cpu_idle+0x6b/0xf0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.126621] [] 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 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] [] default_idle+0x46/0xa0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.126621] [] c1e_idle+0x58/0x120 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.126621] [] cpu_idle+0x6b/0xf0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.126621] [] 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] [] ? show_regs+0x26/0x30 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.126621] [] nmi_watchdog_tick+0x191/0x1b0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.126621] [] do_nmi+0x1c1/0x2e0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.126621] [] nmi+0x20/0x30 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.126621] [] ? native_safe_halt+0x6/0x10 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.126621] <> [] default_idle+0x46/0xa0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.126621] [] c1e_idle+0x58/0x120 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.126621] [] cpu_idle+0x6b/0xf0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.126621] [] 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:[] [] > 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] [] default_idle+0x46/0xa0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.111333] [] c1e_idle+0x58/0x120 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.111333] [] cpu_idle+0x6b/0xf0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.111333] [] 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 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] [] default_idle+0x46/0xa0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.111333] [] c1e_idle+0x58/0x120 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.111333] [] cpu_idle+0x6b/0xf0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.111333] [] 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] [] ? show_regs+0x26/0x30 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.111333] [] nmi_watchdog_tick+0x191/0x1b0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.111333] [] do_nmi+0x1c1/0x2e0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.111333] [] nmi+0x20/0x30 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.111333] [] ? native_safe_halt+0x6/0x10 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.111333] <> [] default_idle+0x46/0xa0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.111333] [] c1e_idle+0x58/0x120 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.111333] [] cpu_idle+0x6b/0xf0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.111333] [] 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:[] [] > 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] [] 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 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] [] default_idle+0x46/0xa0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108010] [] c1e_idle+0x58/0x120 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.108010] [] 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] [] ? show_regs+0x26/0x30 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.136975] [] nmi_watchdog_tick+0x191/0x1b0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.136975] [] nmi+0x20/0x30 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.136975] [] ? 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] [] default_idle+0x46/0xa0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.120004] [] cpu_idle+0x6b/0xf0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.120004] [] start_secondary+0x1b9/0x1be > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.120004] [] cpu_idle+0x6b/0xf0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.120004] [] start_secondary+0x1b9/0x1be > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.120004] [] do_nmi+0x1c1/0x2e0 > Mar 10 03:57:13 ayrshire.u06.univ-nantes.prive kernel: > [44867.120004] [] 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. Are you running a preemptible kernel? Does the following help at all? diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c index 2ca4535..cdf51c9 100644 --- a/virt/kvm/eventfd.c +++ b/virt/kvm/eventfd.c @@ -90,7 +90,7 @@ irqfd_shutdown(struct work_struct *work) * We know no new events will be scheduled at this point, so block * until all previously outstanding events have completed */ - flush_work(&irqfd->inject); + flush_work_sync(&irqfd->inject); /* * It is now safe to release the object's resources