Patchwork 3.9-rc1: pciehp and eSATA card SiI 3132, no XHCI

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Submitter Martin Mokrejs
Date March 14, 2013, 1 p.m.
Message ID <5141C9D7.9040706@fold.natur.cuni.cz>
Download mbox | patch
Permalink /patch/227652/
State Not Applicable
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Martin Mokrejs - March 14, 2013, 1 p.m.
Yijing Wang wrote:
> On 2013/3/14 8:05, Martin Mokrejs wrote:
>> Hi Yjing,
>>
>> Yijing Wang wrote:
>>> Hi Martin,
>>>    From your diff info, maybe we can analyze this problem step by step.
>>> 1、According to your diff info about first eject and first hot add, the pci device 11:00.0 Mass storage
>>>    controller was removed and was added ok at pci device level;
>>
>> I can't confirm that it it was removed fine but looks like hot re-inserting the
>> card somewhat returns us to the anticipated state. Would I have hot added completely
>> different card I believe lspci would report mixture of both both, the cold-plugged-one
>> and of the hot-plugged one. Please see the thread
>> 3.8.2: stale pci device info for a previously inserted express card
>> for what I mean (different kernel and acpiphp while here we are talking 3.9-rc1 and
>> pciehp but still I believe same would happen.)
> 
> Hmm, that's a issue, I am not sure it's a memleak problem.
> 
>>
>>> 2、The main problem is 11:00.0 Mass storage controller can not bind its driver normally, right?
>>
>> Yes, and you can squeeze out few words from the driver only if you rmmod it.
>> Therefore I conclude the sata_sil24 cannot unbind the device and only during
>> rmmod it realizes it is gone. What pci driver failed to report the card was
>> ejected I don't know but seems per point 1. above that we agree that PresDet
>> worked fine (cold boot with the card inserted). So is sata_sil24 at fault?
>> Nobody commented on those express slot status values: 0000, 0040, 0100, 0108, 0138, 0140, 0148.
>> What are they?
> 
> As you mentioned before
> cold boot 0040 -> eject 0100 hotplug insert -> 0140 eject -> 0100 hotplug insert -> 0140 eject -> 0100
> cold boot(PCIe card detected in slot)-->eject(Data Link state changed detected)-->.....
> detail info reference at PCIe Spec 3.0  7.8.11

So doesn't pciehp/acpiphp complain when values 0000, 0108, 0138, 0148 appear?

> 
>>
>>> 3、According to diff info about first hotadd and coldplug, the mainly diff is
>>>> +       Region 0: Memory at f6c84000 (64-bit, non-prefetchable) [disabled] [size=128]
>>>> +       Region 2: Memory at f6c80000 (64-bit, non-prefetchable) [disabled] [size=16K]
>>>> +       Region 4: I/O ports at c000 [disabled] [size=128]
>>>
>>> and
>>> MaxReadReq 4096 bytes ----> MaxReadReq 512 bytes
>>>
>>> So maybe we can try to find why the memory range was disabled after hot add.
>>>
>>> Martin, can you provide  /proc/iomem info when the system bootup, after first eject and
>>> first hot-add?
>>
>> Not a single change, look:
>>
>> # diff -u -w iomem.txt iomem_ejected.txt
> 
> According to this, the Mass storage controller device MMIO was not released when the eject.
> So, If we insert this card again, driver cannot get a MMIO range for the newly inserted card, because
> old MMIO range is still in system.

Was my impression as well, but all I could have added.

> 
>> # diff -u -w iomem_ejected.txt iomem_ejected_and_reinserted.txt
>>
>> At this moment lspci reports:
>>
>> # diff -u -w lspci_vvvxxx.txt lspci_vvvxxx_ejected_and_reinserted.txt
>> --- lspci_vvvxxx.txt    2013-03-14 00:23:25.000000000 +0100
>> +++ lspci_vvvxxx_ejected_and_reinserted.txt     2013-03-14 00:27:26.000000000 +0100
>> @@ -437,7 +437,7 @@
>>         I/O behind bridge: 0000c000-0000dfff
>>         Memory behind bridge: f6c00000-f7cfffff
>>         Prefetchable memory behind bridge: 00000000f0000000-00000000f10fffff
>> -       Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
>> +       Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
> 
> Master Abort Error detected.
> 
>>         BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B-
>>                 PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
>>         Capabilities: [40] Express (v2) Root Port (Slot+), MSI 00
>> @@ -457,7 +457,7 @@
>>                 SltCtl: Enable: AttnBtn- PwrFlt- MRL- PresDet- CmdCplt- HPIrq- LinkChg-
>>                         Control: AttnInd Unknown, PwrInd Unknown, Power- Interlock-
>>                 SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet+ Interlock-
>> -                       Changed: MRL- PresDet- LinkState-
>> +                       Changed: MRL- PresDet- LinkState+
> 
> Every you eject and insert card LinkState Change bit changed detected, so when do hotplug link state change is ok.
> 
>>                 RootCtl: ErrCorrectable- ErrNon-Fatal- ErrFatal- PMEIntEna- CRSVisible-
>>                 RootCap: CRSVisible-
>>                 RootSta: PME ReqID 0000, PMEStatus- PMEPending-
>> @@ -476,11 +476,11 @@
>>                 Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
>>         Kernel driver in use: pcieport
>>  00: 86 80 1e 1c 07 00 10 00 b5 00 04 06 10 00 81 00
>> -10: 00 00 00 00 00 00 00 00 00 11 16 00 c0 d0 00 00
>> +10: 00 00 00 00 00 00 00 00 00 11 16 00 c0 d0 00 20
>>  20: c0 f6 c0 f7 01 f0 01 f1 00 00 00 00 00 00 00 00
>>  30: 00 00 00 00 40 00 00 00 00 00 00 00 0a 04 10 00
>>  40: 10 80 42 01 00 80 00 00 00 00 10 00 12 3c 12 08
>> -50: 40 00 11 70 60 b2 3c 00 00 00 40 00 00 00 00 00
>> +50: 40 00 11 70 60 b2 3c 00 00 00 40 01 00 00 00 00
>>  60: 00 00 00 00 16 00 00 00 00 00 00 00 00 00 00 00
>>  70: 01 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00
>>  80: 05 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>> @@ -795,14 +795,13 @@
>>  
>>  11:00.0 Mass storage controller: Silicon Image, Inc. SiI 3132 Serial ATA Raid II Controller (rev 01)
>>         Subsystem: Silicon Image, Inc. SiI 3132 Serial ATA Raid II Controller
>> -       Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
>> +       Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
>>         Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
>> -       Latency: 0, Cache Line Size: 64 bytes
>>         Interrupt: pin A routed to IRQ 19
>> -       Region 0: Memory at f6c84000 (64-bit, non-prefetchable) [size=128]
>> -       Region 2: Memory at f6c80000 (64-bit, non-prefetchable) [size=16K]
>> -       Region 4: I/O ports at c000 [size=128]
>> -       Expansion ROM at f6c00000 [disabled] [size=512K]
>> +       Region 0: Memory at f6c84000 (64-bit, non-prefetchable) [disabled] [size=128]
>> +       Region 2: Memory at f6c80000 (64-bit, non-prefetchable) [disabled] [size=16K]
>> +       Region 4: I/O ports at c000 [disabled] [size=128]
> 
> I guess these memory ranges disabled because the original MMIO(coldplug boot) is still in system after eject device,
> the new device insert cannot get the needed MMIO in system.

But then some driver is stupid and should loudly complain. Looks nobody even knows
why lspci prints those "[disabled]" and "[virtual]" strings in its output.
What are the normal cases of "virtual" ROMs and "disabled" ranges? What *functional*
devices have them and why are they disabled? Is this like a disabled BOOT ROM on a network
card or what?

> 
>> +       [virtual] Expansion ROM at f6c00000 [disabled] [size=512K]
>>         Capabilities: [54] Power Management version 2
>>                 Flags: PMEClk- DSI+ D1+ D2+ AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
>>                 Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=1 PME-
>> @@ -813,29 +812,29 @@
>>                         ExtTag- AttnBtn- AttnInd- PwrInd- RBE- FLReset-
>>                 DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported-
>>                         RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-
>> -                       MaxPayload 128 bytes, MaxReadReq 4096 bytes
>> -               DevSta: CorrErr- UncorrErr+ FatalErr- UnsuppReq+ AuxPwr- TransPend-
>> +                       MaxPayload 128 bytes, MaxReadReq 512 bytes
>> +               DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr- TransPend-
> I don't think this will cause device hotplug fail.
>>                 LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L0s, Latency L0 unlimited, L1 unlimited
>>                         ClockPM- Surprise- LLActRep- BwNot-
>>                 LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk+
>>                         ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
>>                 LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-
>>         Capabilities: [100 v1] Advanced Error Reporting
>> -               UESta:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq+ ACSViol-
>> +               UESta:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
>>                 UEMsk:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
>>                 UESvrt: DLP+ SDES- TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt- RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol-
>>                 CESta:  RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr-
>>                 CEMsk:  RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr-
>> -               AERCap: First Error Pointer: 14, GenCap+ CGenEn- ChkCap+ ChkEn-
>> +               AERCap: First Error Pointer: 00, GenCap+ CGenEn- ChkCap+ ChkEn-
>>         Kernel driver in use: sata_sil24
>> -00: 95 10 32 31 07 00 10 00 01 00 80 01 10 00 00 00
>> -10: 04 40 c8 f6 00 00 00 00 04 00 c8 f6 00 00 00 00
>> -20: 01 c0 00 00 00 00 00 00 00 00 00 00 95 10 32 31
>> -30: 00 00 c0 f6 54 00 00 00 00 00 00 00 0a 01 00 00
>> +00: 95 10 32 31 00 00 10 00 01 00 80 01 00 00 00 00
>> +10: 04 00 00 00 00 00 00 00 04 00 00 00 00 00 00 00
>> +20: 01 00 00 00 00 00 00 00 00 00 00 00 95 10 32 31
>> +30: 00 00 00 00 54 00 00 00 00 00 00 00 00 01 00 00
>>  40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>>  50: 00 00 00 00 01 5c 22 06 00 20 00 0c 05 70 80 00
>>  60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>> -70: 10 00 11 00 03 00 00 00 00 50 0a 00 11 f4 03 00
>> +70: 10 00 11 00 03 00 00 00 00 20 00 00 11 f4 03 00
>>  80: 40 00 11 10 00 00 00 00 00 00 00 00 00 00 00 00
>>  90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>>  a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>> #
>>
>>
>> I had to rmmod the driver to trigger at least some change:
>>
> 
> When you do rmmod sata driver, the MMIO seems to be released ok.
> Martin, what about try to do hotplug like this?
> 1、coldplug boot up;
> 2、eject device;
> 3、rmmod sata driver;
> 4、modprobe sata driver;
> 5、insert card;

# diff -u -w dmesg.txt dmesg_ejected.txt
# diff -u -w lspci_vvvxxx.txt lspci_vvvxxx_ejected.txt
Yijing Wang - March 15, 2013, 2:41 a.m.
+CC Huang Ying <ying.huang@intel.com>
>> As you mentioned before
>> cold boot 0040 -> eject 0100 hotplug insert -> 0140 eject -> 0100 hotplug insert -> 0140 eject -> 0100
>> cold boot(PCIe card detected in slot)-->eject(Data Link state changed detected)-->.....
>> detail info reference at PCIe Spec 3.0  7.8.11
> 
> So doesn't pciehp/acpiphp complain when values 0000, 0108, 0138, 0148 appear?

I think the slot status changes is ok. The most important bit here is Presence Detect state
and Presence Detect Changed bits. And as your diff info, it seems ok.

> 
>>
>>>
>> I guess these memory ranges disabled because the original MMIO(coldplug boot) is still in system after eject device,
>> the new device insert cannot get the needed MMIO in system.

Sorry, my fault. I scan the lspci source code, and found the "[disable]" means memory/ioport decoding disabled.
This shows that the device maybe not enabled by driver.

[virtual] meaning /* Reported by the OS, but not by the device */
I also doubt this comment.

> 
> But then some driver is stupid and should loudly complain. Looks nobody even knows
> why lspci prints those "[disabled]" and "[virtual]" strings in its output.
> What are the normal cases of "virtual" ROMs and "disabled" ranges? What *functional*
> devices have them and why are they disabled? Is this like a disabled BOOT ROM on a network
> card or what?
> 


> # diff -u -w iomem.txt iomem_ejected.txt 
> # diff -u -w dmesg_ejected.txt dmesg_ejected_rmmod_sata_sil24.txt 
> --- dmesg_ejected.txt   2013-03-14 11:03:42.000000000 +0100
> +++ dmesg_ejected_rmmod_sata_sil24.txt  2013-03-14 11:05:00.000000000 +0100
> @@ -824,3 +824,173 @@
>  [   38.223082] r8169 0000:05:00.0 eth0: link up
>  [   39.471099] r8169 0000:05:00.0 eth0: link down
>  [   41.857999] r8169 0000:05:00.0 eth0: link up
> +[  270.090796] sata_sil24: IRQ status == 0xffffffff, PCI fault or device removal?
> +[  270.091728] pcieport 0000:00:1c.7: PME# enabled
> +[  270.972562] pcieport 0000:00:1c.7: PME# disabled
> +[  270.982338] pcieport 0000:00:1c.7: PME# enabled
> +[  271.022611] pcieport 0000:00:1c.7: PME# disabled
> +[  271.032560] pcieport 0000:00:1c.7: PME# enabled
> +[  272.053850] pcieport 0000:00:1c.7: PME# disabled
> +[  272.063619] pcieport 0000:00:1c.7: PME# enabled
> +[  272.103916] pcieport 0000:00:1c.7: PME# disabled
> +[  272.113838] pcieport 0000:00:1c.7: PME# enabled
> +[  273.145186] pcieport 0000:00:1c.7: PME# disabled
> +[  273.156282] pcieport 0000:00:1c.7: PME# enabled
> +[  273.195718] pcieport 0000:00:1c.7: PME# disabled
> +[  273.205228] pcieport 0000:00:1c.7: PME# enabled
> +[  274.226918] pcieport 0000:00:1c.7: PME# disabled
> [cut] repeated forever
> 

I added Huang Ying <ying.huang@intel.com> to cc list, Rafael and Huang Ying.
Both of them are familiar with PM. Obviously, this is an unnormal phenomenon.
Martin Mokrejs - March 28, 2013, 6:38 p.m.
Hi Ying,
  would you please tell me how this report relate to this patch?

[PATCH] PCI / ACPI: Always resume devices on ACPI wakeup notifications

  Could you tell me why this PME was being flipped back and forth now?
Actually, does that make finally some sense to you, pci/acpi devs?


  Does is help to say that on the SandyBridge chip I have the following root ports
hooked to the following end devices?:

1.c1 -> rtl8169 05:00.0
1.c3 -> iwlwifi 09:00.0
1.c4 -> xhci_hcd 0b:00.0
1.c7 -> 00:11: express card slot


  Why didn't I see interleraved lines with 1.c7 *and* 00:11? See the interleaving
happening with the network card on 3.7.10 kernel (not broken kernel):

[138268.870070] r8169 0000:05:00.0 eth0: link down
[138270.809811] r8169 0000:05:00.0 eth0: link up
[138365.599744] r8169 0000:05:00.0 eth0: link down
[138370.594343] r8169 0000:05:00.0: PME# enabled
[138370.623852] pcieport 0000:00:1c.1: PME# enabled
[169885.247386] pcieport 0000:00:1c.1: PME# disabled
[169885.267374] r8169 0000:05:00.0: PME# disabled
[169885.330160] r8169 0000:05:00.0 eth0: link down
[169886.992531] r8169 0000:05:00.0 eth0: link up
[169904.405769] r8169 0000:05:00.0 eth0: link down
[169909.401237] r8169 0000:05:00.0: PME# enabled
[169909.430782] pcieport 0000:00:1c.1: PME# enabled
[170090.538980] pcieport 0000:00:1c.1: PME# disabled
[170090.559088] r8169 0000:05:00.0: PME# disabled
[170090.640494] r8169 0000:05:00.0: PME# enabled
[170090.678425] pcieport 0000:00:1c.1: PME# enabled
[170090.829959] pcieport 0000:00:1c.1: PME# disabled
[170090.848479] r8169 0000:05:00.0: PME# disabled
[170090.892011] r8169 0000:05:00.0 eth0: link down
[170090.892134] r8169 0000:05:00.0 eth0: link down
[170090.930998] r8169 0000:05:00.0 eth0: link down
[170092.554553] r8169 0000:05:00.0 eth0: link up


Thank you,
Martin

Yijing Wang wrote:
> +CC Huang Ying <ying.huang@intel.com>
>>> As you mentioned before
>>> cold boot 0040 -> eject 0100 hotplug insert -> 0140 eject -> 0100 hotplug insert -> 0140 eject -> 0100
>>> cold boot(PCIe card detected in slot)-->eject(Data Link state changed detected)-->.....
>>> detail info reference at PCIe Spec 3.0  7.8.11
>>
>> So doesn't pciehp/acpiphp complain when values 0000, 0108, 0138, 0148 appear?
> 
> I think the slot status changes is ok. The most important bit here is Presence Detect state
> and Presence Detect Changed bits. And as your diff info, it seems ok.
> 
>>
>>>
>>>>
>>> I guess these memory ranges disabled because the original MMIO(coldplug boot) is still in system after eject device,
>>> the new device insert cannot get the needed MMIO in system.
> 
> Sorry, my fault. I scan the lspci source code, and found the "[disable]" means memory/ioport decoding disabled.
> This shows that the device maybe not enabled by driver.
> 
> [virtual] meaning /* Reported by the OS, but not by the device */
> I also doubt this comment.
> 
>>
>> But then some driver is stupid and should loudly complain. Looks nobody even knows
>> why lspci prints those "[disabled]" and "[virtual]" strings in its output.
>> What are the normal cases of "virtual" ROMs and "disabled" ranges? What *functional*
>> devices have them and why are they disabled? Is this like a disabled BOOT ROM on a network
>> card or what?
>>
> 
> 
>> # diff -u -w iomem.txt iomem_ejected.txt 
>> # diff -u -w dmesg_ejected.txt dmesg_ejected_rmmod_sata_sil24.txt 
>> --- dmesg_ejected.txt   2013-03-14 11:03:42.000000000 +0100
>> +++ dmesg_ejected_rmmod_sata_sil24.txt  2013-03-14 11:05:00.000000000 +0100
>> @@ -824,3 +824,173 @@
>>  [   38.223082] r8169 0000:05:00.0 eth0: link up
>>  [   39.471099] r8169 0000:05:00.0 eth0: link down
>>  [   41.857999] r8169 0000:05:00.0 eth0: link up
>> +[  270.090796] sata_sil24: IRQ status == 0xffffffff, PCI fault or device removal?
>> +[  270.091728] pcieport 0000:00:1c.7: PME# enabled
>> +[  270.972562] pcieport 0000:00:1c.7: PME# disabled
>> +[  270.982338] pcieport 0000:00:1c.7: PME# enabled
>> +[  271.022611] pcieport 0000:00:1c.7: PME# disabled
>> +[  271.032560] pcieport 0000:00:1c.7: PME# enabled
>> +[  272.053850] pcieport 0000:00:1c.7: PME# disabled
>> +[  272.063619] pcieport 0000:00:1c.7: PME# enabled
>> +[  272.103916] pcieport 0000:00:1c.7: PME# disabled
>> +[  272.113838] pcieport 0000:00:1c.7: PME# enabled
>> +[  273.145186] pcieport 0000:00:1c.7: PME# disabled
>> +[  273.156282] pcieport 0000:00:1c.7: PME# enabled
>> +[  273.195718] pcieport 0000:00:1c.7: PME# disabled
>> +[  273.205228] pcieport 0000:00:1c.7: PME# enabled
>> +[  274.226918] pcieport 0000:00:1c.7: PME# disabled
>> [cut] repeated forever
>>
> 
> I added Huang Ying <ying.huang@intel.com> to cc list, Rafael and Huang Ying.
> Both of them are familiar with PM. Obviously, this is an unnormal phenomenon.
> 
> 
> 
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Patch

--- lspci_vvvxxx.txt    2013-03-14 11:01:06.000000000 +0100
+++ lspci_vvvxxx_ejected.txt    2013-03-14 11:03:26.000000000 +0100
@@ -437,7 +437,7 @@ 
        I/O behind bridge: 0000c000-0000dfff
        Memory behind bridge: f6c00000-f7cfffff
        Prefetchable memory behind bridge: 00000000f0000000-00000000f10fffff
-       Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
+       Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
        BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B-
                PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
        Capabilities: [40] Express (v2) Root Port (Slot+), MSI 00
@@ -451,12 +451,12 @@ 
                        ClockPM- Surprise- LLActRep+ BwNot-
                LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk+
                        ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
-               LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive+ BWMgmt+ ABWMgmt-
+               LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive- BWMgmt+ ABWMgmt-
                SltCap: AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- HotPlug+ Surprise+
                        Slot #7, PowerLimit 10.000W; Interlock- NoCompl+
                SltCtl: Enable: AttnBtn- PwrFlt- MRL- PresDet- CmdCplt- HPIrq- LinkChg-
                        Control: AttnInd Unknown, PwrInd Unknown, Power- Interlock-
-               SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet+ Interlock-
+               SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet- Interlock-
                        Changed: MRL- PresDet- LinkState+
                RootCtl: ErrCorrectable- ErrNon-Fatal- ErrFatal- PMEIntEna- CRSVisible-
                RootCap: CRSVisible-
@@ -476,11 +476,11 @@ 
                Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
        Kernel driver in use: pcieport
 00: 86 80 1e 1c 07 00 10 00 b5 00 04 06 10 00 81 00
-10: 00 00 00 00 00 00 00 00 00 11 16 00 c0 d0 00 00
+10: 00 00 00 00 00 00 00 00 00 11 16 00 c0 d0 00 20
 20: c0 f6 c0 f7 01 f0 01 f1 00 00 00 00 00 00 00 00
 30: 00 00 00 00 40 00 00 00 00 00 00 00 0a 04 10 00
 40: 10 80 42 01 00 80 00 00 00 00 10 00 12 3c 12 08
-50: 40 00 11 70 60 b2 3c 00 00 00 40 01 00 00 00 00
+50: 40 00 11 50 60 b2 3c 00 00 00 00 01 00 00 00 00
 60: 00 00 00 00 16 00 00 00 00 00 00 00 00 00 00 00
 70: 01 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00
 80: 05 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00
@@ -793,55 +793,23 @@ 
 e0: 00 00 40 63 00 00 00 00 00 00 00 00 00 00 00 00
 f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 
-11:00.0 Mass storage controller: Silicon Image, Inc. SiI 3132 Serial ATA Raid II Controller (rev 01)
-       Subsystem: Silicon Image, Inc. SiI 3132 Serial ATA Raid II Controller
-       Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
-       Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
-       Latency: 0, Cache Line Size: 64 bytes
-       Interrupt: pin A routed to IRQ 19
-       Region 0: Memory at f6c84000 (64-bit, non-prefetchable) [size=128]
-       Region 2: Memory at f6c80000 (64-bit, non-prefetchable) [size=16K]
-       Region 4: I/O ports at c000 [size=128]
-       Expansion ROM at f6c00000 [disabled] [size=512K]
-       Capabilities: [54] Power Management version 2
-               Flags: PMEClk- DSI+ D1+ D2+ AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
-               Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=1 PME-
-       Capabilities: [5c] MSI: Enable- Count=1/1 Maskable- 64bit+
-               Address: 0000000000000000  Data: 0000
-       Capabilities: [70] Express (v1) Legacy Endpoint, MSI 00
-               DevCap: MaxPayload 1024 bytes, PhantFunc 0, Latency L0s <64ns, L1 <1us
-                       ExtTag- AttnBtn- AttnInd- PwrInd- RBE- FLReset-
-               DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported-
-                       RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-
-                       MaxPayload 128 bytes, MaxReadReq 4096 bytes
-               DevSta: CorrErr- UncorrErr+ FatalErr- UnsuppReq+ AuxPwr- TransPend-
-               LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L0s, Latency L0 unlimited, L1 unlimited
-                       ClockPM- Surprise- LLActRep- BwNot-
-               LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk+
-                       ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
-               LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-
-       Capabilities: [100 v1] Advanced Error Reporting
-               UESta:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq+ ACSViol-
-               UEMsk:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
-               UESvrt: DLP+ SDES- TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt- RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol-
-               CESta:  RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr-
-               CEMsk:  RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr-
-               AERCap: First Error Pointer: 14, GenCap+ CGenEn- ChkCap+ ChkEn-
+11:00.0 Mass storage controller: Silicon Image, Inc. SiI 3132 Serial ATA Raid II Controller (rev ff) (prog-if ff)
+       !!! Unknown header type 7f
        Kernel driver in use: sata_sil24
-00: 95 10 32 31 07 00 10 00 01 00 80 01 10 00 00 00
-10: 04 40 c8 f6 00 00 00 00 04 00 c8 f6 00 00 00 00
-20: 01 c0 00 00 00 00 00 00 00 00 00 00 95 10 32 31
-30: 00 00 c0 f6 54 00 00 00 00 00 00 00 0a 01 00 00
-40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-50: 00 00 00 00 01 5c 22 06 00 20 00 0c 05 70 80 00
-60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-70: 10 00 11 00 03 00 00 00 00 50 0a 00 11 f4 03 00
-80: 40 00 11 10 00 00 00 00 00 00 00 00 00 00 00 00
-90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
+10: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
+20: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
+30: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
+40: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
+50: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
+60: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
+70: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
+80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
+90: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
+a0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
+b0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
+c0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
+d0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
+e0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
+f0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff

# diff -u -w iomem.txt iomem_ejected.txt 
# diff -u -w dmesg_ejected.txt dmesg_ejected_rmmod_sata_sil24.txt 
--- dmesg_ejected.txt   2013-03-14 11:03:42.000000000 +0100
+++ dmesg_ejected_rmmod_sata_sil24.txt  2013-03-14 11:05:00.000000000 +0100
@@ -824,3 +824,173 @@ 
 [   38.223082] r8169 0000:05:00.0 eth0: link up
 [   39.471099] r8169 0000:05:00.0 eth0: link down
 [   41.857999] r8169 0000:05:00.0 eth0: link up
+[  270.090796] sata_sil24: IRQ status == 0xffffffff, PCI fault or device removal?
+[  270.091728] pcieport 0000:00:1c.7: PME# enabled
+[  270.972562] pcieport 0000:00:1c.7: PME# disabled
+[  270.982338] pcieport 0000:00:1c.7: PME# enabled
+[  271.022611] pcieport 0000:00:1c.7: PME# disabled
+[  271.032560] pcieport 0000:00:1c.7: PME# enabled
+[  272.053850] pcieport 0000:00:1c.7: PME# disabled
+[  272.063619] pcieport 0000:00:1c.7: PME# enabled
+[  272.103916] pcieport 0000:00:1c.7: PME# disabled
+[  272.113838] pcieport 0000:00:1c.7: PME# enabled
+[  273.145186] pcieport 0000:00:1c.7: PME# disabled
+[  273.156282] pcieport 0000:00:1c.7: PME# enabled
+[  273.195718] pcieport 0000:00:1c.7: PME# disabled
+[  273.205228] pcieport 0000:00:1c.7: PME# enabled
+[  274.226918] pcieport 0000:00:1c.7: PME# disabled
[cut] repeated forever

# diff -u -w lspci_vvvxxx_ejected.txt lspci_vvvxxx_ejected_rmmod_sata_sil24.txt 
--- lspci_vvvxxx_ejected.txt    2013-03-14 11:03:26.000000000 +0100
+++ lspci_vvvxxx_ejected_rmmod_sata_sil24.txt   2013-03-14 11:04:32.000000000 +0100
@@ -473,7 +473,7 @@ 
        Capabilities: [90] Subsystem: Dell Device 04b3
        Capabilities: [a0] Power Management version 2
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+)
-               Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
+               Status: D3 NoSoftRst- PME-Enable+ DSel=0 DScale=0 PME-
        Kernel driver in use: pcieport
 00: 86 80 1e 1c 07 00 10 00 b5 00 04 06 10 00 81 00
 10: 00 00 00 00 00 00 00 00 00 11 16 00 c0 d0 00 20
@@ -485,7 +485,7 @@ 
 70: 01 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00
 80: 05 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 90: 0d a0 00 00 28 10 b3 04 00 00 00 00 00 00 00 00
-a0: 01 00 02 c8 00 00 00 00 00 00 00 00 00 00 00 00
+a0: 01 00 02 c8 03 01 00 00 00 00 00 00 00 00 00 00
 b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 d0: 00 00 00 01 02 0b 00 00 02 80 11 c1 00 00 00 00
@@ -653,7 +653,7 @@ 
                UESta:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq+ ACSViol-
                UEMsk:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
                UESvrt: DLP+ SDES+ TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt- RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol-
-               CESta:  RxErr+ BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr+
+               CESta:  RxErr+ BadTLP- BadDLLP+ Rollover- Timeout- NonFatalErr+
                CEMsk:  RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr+
                AERCap: First Error Pointer: 14, GenCap+ CGenEn- ChkCap+ ChkEn-
        Capabilities: [140 v1] Virtual Channel
@@ -795,7 +795,6 @@ 
 
 11:00.0 Mass storage controller: Silicon Image, Inc. SiI 3132 Serial ATA Raid II Controller (rev ff) (prog-if ff)
        !!! Unknown header type 7f
-       Kernel driver in use: sata_sil24
 00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 10: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 20: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff

# diff -u -w iomem_ejected.txt iomem_ejected_rmmod_sata_sil24.txt 
--- iomem_ejected.txt   2013-03-14 11:03:18.000000000 +0100
+++ iomem_ejected_rmmod_sata_sil24.txt  2013-03-14 11:04:53.000000000 +0100
@@ -44,9 +44,7 @@ 
   f6c00000-f7cfffff : PCI Bus 0000:11
     f6c00000-f6c7ffff : 0000:11:00.0
     f6c80000-f6c83fff : 0000:11:00.0
-      f6c80000-f6c83fff : sata_sil24
     f6c84000-f6c8407f : 0000:11:00.0
-      f6c84000-f6c8407f : sata_sil24
   f7d00000-f7dfffff : PCI Bus 0000:0b
     f7d00000-f7d0ffff : 0000:0b:00.0
     f7d10000-f7d11fff : 0000:0b:00.0
#


So now you want me to modprobe the sata driver back and re-insert the card
to check what hotplug does:

# diff -u -w dmesg_ejected_rmmod_sata_sil24.txt dmesg_ejected_rmmod_sata_sil24_modprobe_sata_sil24.txt 
--- dmesg_ejected_rmmod_sata_sil24.txt  2013-03-14 11:05:00.000000000 +0100
+++ dmesg_ejected_rmmod_sata_sil24_modprobe_sata_sil24.txt      2013-03-14 11:06:11.000000000 +0100
[cut away the PME# game]
+[  352.132379] pcieport 0000:00:1c.7: PME# disabled
+[  352.142358] pcieport 0000:00:1c.7: PME# enabled
+[  352.993844] pcieport 0000:00:1c.7: PME# disabled
+[  352.993852] sata_sil24 0000:11:00.0: version 1.1
+[  353.013329] sata_sil24 0000:11:00.0: Refused to change power state, currently in D3
+[  353.113327] sata_sil24 0000:11:00.0: failed to clear port RST
+[  353.213438] sata_sil24 0000:11:00.0: failed to clear port RST
+[  353.216233] scsi8 : sata_sil24
+[  353.216927] scsi9 : sata_sil24
+[  353.217460] ata9: SATA max UDMA/100 host m128@0xf6c84000 port 0xf6c80000 irq 19
+[  353.217463] ata10: SATA max UDMA/100 host m128@0xf6c84000 port 0xf6c82000 irq 19
+[  353.313587] ata9: controller in dubious state, performing PORT_RST
+[  355.526301] ata9: SATA link down (SStatus FFFFFFFF SControl FFFFFFFF)
+[  355.626420] ata10: controller in dubious state, performing PORT_RST
+[  357.839141] ata10: SATA link down (SStatus FFFFFFFF SControl FFFFFFFF)
#
# diff -u -w lspci_vvvxxx_ejected_rmmod_sata_sil24.txt lspci_vvvxxx_ejected_rmmod_sata_sil24_modprobe_sata_sil24.txt 
--- lspci_vvvxxx_ejected_rmmod_sata_sil24.txt   2013-03-14 11:04:32.000000000 +0100
+++ lspci_vvvxxx_ejected_rmmod_sata_sil24_modprobe_sata_sil24.txt       2013-03-14 11:06:51.000000000 +0100
@@ -473,7 +473,7 @@ 
        Capabilities: [90] Subsystem: Dell Device 04b3
        Capabilities: [a0] Power Management version 2
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+)
-               Status: D3 NoSoftRst- PME-Enable+ DSel=0 DScale=0 PME-
+               Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
        Kernel driver in use: pcieport
 00: 86 80 1e 1c 07 00 10 00 b5 00 04 06 10 00 81 00
 10: 00 00 00 00 00 00 00 00 00 11 16 00 c0 d0 00 20
@@ -485,7 +485,7 @@ 
 70: 01 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00
 80: 05 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 90: 0d a0 00 00 28 10 b3 04 00 00 00 00 00 00 00 00
-a0: 01 00 02 c8 03 01 00 00 00 00 00 00 00 00 00 00
+a0: 01 00 02 c8 00 00 00 00 00 00 00 00 00 00 00 00
 b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 d0: 00 00 00 01 02 0b 00 00 02 80 11 c1 00 00 00 00
@@ -795,6 +795,7 @@ 
 
 11:00.0 Mass storage controller: Silicon Image, Inc. SiI 3132 Serial ATA Raid II Controller (rev ff) (prog-if ff)
        !!! Unknown header type 7f
+       Kernel driver in use: sata_sil24
 00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 10: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 20: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
#

Actualy comparing the states before rmmod+modprobe and after boild down just to:

# diff -u -w lspci_vvvxxx_ejected.txt lspci_vvvxxx_ejected_rmmod_sata_sil24_modprobe_sata_sil24.txt 
--- lspci_vvvxxx_ejected.txt    2013-03-14 11:03:26.000000000 +0100
+++ lspci_vvvxxx_ejected_rmmod_sata_sil24_modprobe_sata_sil24.txt       2013-03-14 11:06:51.000000000 +0100
@@ -653,7 +653,7 @@ 
                UESta:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq+ ACSViol-
                UEMsk:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
                UESvrt: DLP+ SDES+ TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt- RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol-
-               CESta:  RxErr+ BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr+
+               CESta:  RxErr+ BadTLP- BadDLLP+ Rollover- Timeout- NonFatalErr+
                CEMsk:  RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr+
                AERCap: First Error Pointer: 14, GenCap+ CGenEn- ChkCap+ ChkEn-
        Capabilities: [140 v1] Virtual Channel
#
# diff -u -w iomem_ejected.txt iomem_ejected_rmmod_sata_sil24_modprobe_sata_sil24.txt 
#

Finally we are getting to hotinsert the card:

# diff -u -w dmesg_ejected_rmmod_sata_sil24_modprobe_sata_sil24.txt dmesg_ejected_rmmod_sata_sil24_modprobe_sata_sil24_hotinsert.txt 
#
# diff -u -w lspci_vvvxxx_ejected_rmmod_sata_sil24_modprobe_sata_sil24.txt lspci_vvvxxx_ejected_rmmod_sata_sil24_modprobe_sata_sil24_hotinsert.txt 
--- lspci_vvvxxx_ejected_rmmod_sata_sil24_modprobe_sata_sil24.txt       2013-03-14 11:06:51.000000000 +0100
+++ lspci_vvvxxx_ejected_rmmod_sata_sil24_modprobe_sata_sil24_hotinsert.txt     2013-03-14 11:10:43.000000000 +0100
@@ -451,12 +451,12 @@ 
                        ClockPM- Surprise- LLActRep+ BwNot-
                LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk+
                        ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
-               LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive- BWMgmt+ ABWMgmt-
+               LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive+ BWMgmt+ ABWMgmt-
                SltCap: AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- HotPlug+ Surprise+
                        Slot #7, PowerLimit 10.000W; Interlock- NoCompl+
                SltCtl: Enable: AttnBtn- PwrFlt- MRL- PresDet- CmdCplt- HPIrq- LinkChg-
                        Control: AttnInd Unknown, PwrInd Unknown, Power- Interlock-
-               SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet- Interlock-
+               SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet+ Interlock-
                        Changed: MRL- PresDet- LinkState+
                RootCtl: ErrCorrectable- ErrNon-Fatal- ErrFatal- PMEIntEna- CRSVisible-
                RootCap: CRSVisible-
@@ -480,7 +480,7 @@ 
 20: c0 f6 c0 f7 01 f0 01 f1 00 00 00 00 00 00 00 00
 30: 00 00 00 00 40 00 00 00 00 00 00 00 0a 04 10 00
 40: 10 80 42 01 00 80 00 00 00 00 10 00 12 3c 12 08
-50: 40 00 11 50 60 b2 3c 00 00 00 00 01 00 00 00 00
+50: 40 00 11 70 60 b2 3c 00 00 00 40 01 00 00 00 00
 60: 00 00 00 00 16 00 00 00 00 00 00 00 00 00 00 00
 70: 01 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00
 80: 05 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00
@@ -793,23 +793,54 @@ 
 e0: 00 00 40 63 00 00 00 00 00 00 00 00 00 00 00 00
 f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 
-11:00.0 Mass storage controller: Silicon Image, Inc. SiI 3132 Serial ATA Raid II Controller (rev ff) (prog-if ff)
-       !!! Unknown header type 7f
+11:00.0 Mass storage controller: Silicon Image, Inc. SiI 3132 Serial ATA Raid II Controller (rev 01)
+       Subsystem: Silicon Image, Inc. SiI 3132 Serial ATA Raid II Controller
+       Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
+       Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
+       Interrupt: pin A routed to IRQ 19
+       Region 0: Memory at f6c84000 (64-bit, non-prefetchable) [disabled] [size=128]
+       Region 2: Memory at f6c80000 (64-bit, non-prefetchable) [disabled] [size=16K]
+       Region 4: I/O ports at c000 [disabled] [size=128]
+       [virtual] Expansion ROM at f6c00000 [disabled] [size=512K]
+       Capabilities: [54] Power Management version 2
+               Flags: PMEClk- DSI+ D1+ D2+ AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
+               Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=1 PME-
+       Capabilities: [5c] MSI: Enable- Count=1/1 Maskable- 64bit+
+               Address: 0000000000000000  Data: 0000
+       Capabilities: [70] Express (v1) Legacy Endpoint, MSI 00
+               DevCap: MaxPayload 1024 bytes, PhantFunc 0, Latency L0s <64ns, L1 <1us
+                       ExtTag- AttnBtn- AttnInd- PwrInd- RBE- FLReset-
+               DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported-
+                       RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-
+                       MaxPayload 128 bytes, MaxReadReq 512 bytes
+               DevSta: CorrErr- UncorrErr+ FatalErr- UnsuppReq+ AuxPwr- TransPend-
+               LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L0s, Latency L0 unlimited, L1 unlimited
+                       ClockPM- Surprise- LLActRep- BwNot-
+               LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk+
+                       ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
+               LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-
+       Capabilities: [100 v1] Advanced Error Reporting
+               UESta:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq+ ACSViol-
+               UEMsk:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
+               UESvrt: DLP+ SDES- TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt- RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol-
+               CESta:  RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr-
+               CEMsk:  RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr-
+               AERCap: First Error Pointer: 14, GenCap+ CGenEn- ChkCap+ ChkEn-
        Kernel driver in use: sata_sil24
-00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
-10: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
-20: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
-30: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
-40: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
-50: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
-60: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
-70: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
-80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
-90: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
-a0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
-b0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
-c0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
-d0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
-e0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
-f0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
+00: 95 10 32 31 00 00 10 00 01 00 80 01 00 00 00 00
+10: 04 00 00 00 00 00 00 00 04 00 00 00 00 00 00 00
+20: 01 00 00 00 00 00 00 00 00 00 00 00 95 10 32 31
+30: 00 00 00 00 54 00 00 00 00 00 00 00 00 01 00 00
+40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+50: 00 00 00 00 01 5c 22 06 00 20 00 0c 05 70 80 00
+60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+70: 10 00 11 00 03 00 00 00 00 20 0a 00 11 f4 03 00
+80: 40 00 11 10 00 00 00 00 00 00 00 00 00 00 00 00
+90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 
#
# diff -u -w iomem_ejected_rmmod_sata_sil24_modprobe_sata_sil24.txt iomem_ejected_rmmod_sata_sil24_modprobe_sata_sil24_hotinsert.txt 
#


Now, to recapitulate, comparing current hotplug state to the initial cold boot state:

# diff -u -w iomem.txt iomem_ejected_rmmod_sata_sil24_modprobe_sata_sil24_hotinsert.txt
#
# diff -u -w lspci_vvvxxx.txt lspci_vvvxxx_ejected_rmmod_sata_sil24_modprobe_sata_sil24_hotinsert.txt 
--- lspci_vvvxxx.txt    2013-03-14 11:01:06.000000000 +0100
+++ lspci_vvvxxx_ejected_rmmod_sata_sil24_modprobe_sata_sil24_hotinsert.txt     2013-03-14 11:10:43.000000000 +0100
@@ -437,7 +437,7 @@ 
        I/O behind bridge: 0000c000-0000dfff
        Memory behind bridge: f6c00000-f7cfffff
        Prefetchable memory behind bridge: 00000000f0000000-00000000f10fffff
-       Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
+       Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
        BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B-
                PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
        Capabilities: [40] Express (v2) Root Port (Slot+), MSI 00
@@ -476,7 +476,7 @@ 
                Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
        Kernel driver in use: pcieport
 00: 86 80 1e 1c 07 00 10 00 b5 00 04 06 10 00 81 00
-10: 00 00 00 00 00 00 00 00 00 11 16 00 c0 d0 00 00
+10: 00 00 00 00 00 00 00 00 00 11 16 00 c0 d0 00 20
 20: c0 f6 c0 f7 01 f0 01 f1 00 00 00 00 00 00 00 00
 30: 00 00 00 00 40 00 00 00 00 00 00 00 0a 04 10 00
 40: 10 80 42 01 00 80 00 00 00 00 10 00 12 3c 12 08
@@ -653,7 +653,7 @@ 
                UESta:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq+ ACSViol-
                UEMsk:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
                UESvrt: DLP+ SDES+ TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt- RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol-
-               CESta:  RxErr+ BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr+
+               CESta:  RxErr+ BadTLP- BadDLLP+ Rollover- Timeout- NonFatalErr+
                CEMsk:  RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr+
                AERCap: First Error Pointer: 14, GenCap+ CGenEn- ChkCap+ ChkEn-
        Capabilities: [140 v1] Virtual Channel
@@ -795,14 +795,13 @@ 
 
 11:00.0 Mass storage controller: Silicon Image, Inc. SiI 3132 Serial ATA Raid II Controller (rev 01)
        Subsystem: Silicon Image, Inc. SiI 3132 Serial ATA Raid II Controller
-       Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
+       Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
-       Latency: 0, Cache Line Size: 64 bytes
        Interrupt: pin A routed to IRQ 19
-       Region 0: Memory at f6c84000 (64-bit, non-prefetchable) [size=128]
-       Region 2: Memory at f6c80000 (64-bit, non-prefetchable) [size=16K]
-       Region 4: I/O ports at c000 [size=128]
-       Expansion ROM at f6c00000 [disabled] [size=512K]
+       Region 0: Memory at f6c84000 (64-bit, non-prefetchable) [disabled] [size=128]
+       Region 2: Memory at f6c80000 (64-bit, non-prefetchable) [disabled] [size=16K]
+       Region 4: I/O ports at c000 [disabled] [size=128]
+       [virtual] Expansion ROM at f6c00000 [disabled] [size=512K]
        Capabilities: [54] Power Management version 2
                Flags: PMEClk- DSI+ D1+ D2+ AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
                Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=1 PME-
@@ -813,7 +812,7 @@ 
                        ExtTag- AttnBtn- AttnInd- PwrInd- RBE- FLReset-
                DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported-
                        RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-
-                       MaxPayload 128 bytes, MaxReadReq 4096 bytes
+                       MaxPayload 128 bytes, MaxReadReq 512 bytes
                DevSta: CorrErr- UncorrErr+ FatalErr- UnsuppReq+ AuxPwr- TransPend-
                LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L0s, Latency L0 unlimited, L1 unlimited
                        ClockPM- Surprise- LLActRep- BwNot-
@@ -828,14 +827,14 @@ 
                CEMsk:  RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr-
                AERCap: First Error Pointer: 14, GenCap+ CGenEn- ChkCap+ ChkEn-
        Kernel driver in use: sata_sil24
-00: 95 10 32 31 07 00 10 00 01 00 80 01 10 00 00 00
-10: 04 40 c8 f6 00 00 00 00 04 00 c8 f6 00 00 00 00
-20: 01 c0 00 00 00 00 00 00 00 00 00 00 95 10 32 31
-30: 00 00 c0 f6 54 00 00 00 00 00 00 00 0a 01 00 00
+00: 95 10 32 31 00 00 10 00 01 00 80 01 00 00 00 00
+10: 04 00 00 00 00 00 00 00 04 00 00 00 00 00 00 00
+20: 01 00 00 00 00 00 00 00 00 00 00 00 95 10 32 31
+30: 00 00 00 00 54 00 00 00 00 00 00 00 00 01 00 00
 40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 50: 00 00 00 00 01 5c 22 06 00 20 00 0c 05 70 80 00
 60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
-70: 10 00 11 00 03 00 00 00 00 50 0a 00 11 f4 03 00
+70: 10 00 11 00 03 00 00 00 00 20 0a 00 11 f4 03 00
 80: 40 00 11 10 00 00 00 00 00 00 00 00 00 00 00 00
 90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

# diff -u -w dmesg.txt dmesg_ejected_rmmod_sata_sil24_modprobe_sata_sil24_hotinsert.txt

--- dmesg.txt   2013-03-14 11:00:51.000000000 +0100
+++ dmesg_ejected_rmmod_sata_sil24_modprobe_sata_sil24_hotinsert.txt    2013-03-14 11:10:58.000000000 +0100
@@ -824,3 +824,324 @@ 
 [   38.223082] r8169 0000:05:00.0 eth0: link up
 [   39.471099] r8169 0000:05:00.0 eth0: link down
 [   41.857999] r8169 0000:05:00.0 eth0: link up
+[  270.090796] sata_sil24: IRQ status == 0xffffffff, PCI fault or device removal?
+[  270.091728] pcieport 0000:00:1c.7: PME# enabled
+[  270.972562] pcieport 0000:00:1c.7: PME# disabled
+[  270.982338] pcieport 0000:00:1c.7: PME# enabled
+[  271.022611] pcieport 0000:00:1c.7: PME# disabled
[cut]
+[  348.828290] pcieport 0000:00:1c.7: PME# disabled
+[  348.838079] pcieport 0000:00:1c.7: PME# enabled
+[  348.878351] pcieport 0000:00:1c.7: PME# disabled
+[  348.888342] pcieport 0000:00:1c.7: PME# enabled
+[  349.919473] pcieport 0000:00:1c.7: PME# disabled
+[  349.929450] pcieport 0000:00:1c.7: PME# enabled
+[  349.969697] pcieport 0000:00:1c.7: PME# disabled
+[  349.979638] pcieport 0000:00:1c.7: PME# enabled
+[  351.001127] pcieport 0000:00:1c.7: PME# disabled
+[  351.010718] pcieport 0000:00:1c.7: PME# enabled
+[  351.051021] pcieport 0000:00:1c.7: PME# disabled
+[  351.060979] pcieport 0000:00:1c.7: PME# enabled
+[  352.082294] pcieport 0000:00:1c.7: PME# disabled
+[  352.092056] pcieport 0000:00:1c.7: PME# enabled
+[  352.132379] pcieport 0000:00:1c.7: PME# disabled
+[  352.142358] pcieport 0000:00:1c.7: PME# enabled
+[  352.993844] pcieport 0000:00:1c.7: PME# disabled
+[  352.993852] sata_sil24 0000:11:00.0: version 1.1
+[  353.013329] sata_sil24 0000:11:00.0: Refused to change power state, currently in D3
+[  353.113327] sata_sil24 0000:11:00.0: failed to clear port RST
+[  353.213438] sata_sil24 0000:11:00.0: failed to clear port RST
+[  353.216233] scsi8 : sata_sil24
+[  353.216927] scsi9 : sata_sil24
+[  353.217460] ata9: SATA max UDMA/100 host m128@0xf6c84000 port 0xf6c80000 irq 19
+[  353.217463] ata10: SATA max UDMA/100 host m128@0xf6c84000 port 0xf6c82000 irq 19
+[  353.313587] ata9: controller in dubious state, performing PORT_RST
+[  355.526301] ata9: SATA link down (SStatus FFFFFFFF SControl FFFFFFFF)
+[  355.626420] ata10: controller in dubious state, performing PORT_RST
+[  357.839141] ata10: SATA link down (SStatus FFFFFFFF SControl FFFFFFFF)
#


I will answer your remaining following questions in a next reply.

Martin
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