On Sep 19, 2011, at 9:53 PM, Marius Strobl wrote:
> On Mon, Sep 19, 2011 at 09:13:53PM +0200, Thomas Vogt wrote:
>> Hi Marius
>>
>> On 19.09.2011, at 21:06, Marius Strobl wrote:
>>
>>> On Mon, Sep 19, 2011 at 02:45:04PM +0200, Thomas Vogt wrote:
>>>> Hello
>>>>
>>>> I've stability issue with my new intel SASUC8I [1] PCIe controller. It's a
>>>> LSI 1068e based controller. After a few minutes with disk io (csup or
>>>> scrub by example) my FreeBSD 8-stable (64bit) is "freezing" for a couple
>>>> of minutes and I see a lot of error messages like:
>>>>
>>>> Sep 17 03:10:03 gw kernel: mpt0: request 0xffffff80002bc3b0:48367 timed
>>>> out for ccb 0xffffff00050a8000 (req->ccb 0xffffff00050a8000)
>>>> Sep 17 03:10:03 gw kernel: mpt0: request 0xffffff80002bbb40:48368 timed
>>>> out for ccb 0xffffff0004f81800 (req->ccb 0xffffff0004f81800)
>>>> Sep 17 03:10:03 gw kernel: mpt0: completing timedout/aborted req
>>>> 0xffffff80002bc3b0:48367
>>>> Sep 17 03:10:03 gw kernel: mpt0: completing timedout/aborted req
>>>> 0xffffff80002bbb40:48368
>>>> Sep 17 03:10:03 gw kernel: mpt0: Timedout requests already complete.
>>>> Interrupts may not be functioning
>>>>
>>>
>>> If this really is an issue with interrupts not getting delivered you
>>> could try whether disabling MSI/MSI-X by setting hw.pci.enable_msi=0
>>> and hw.pci.enable_msix=0 either on the loader prompt or via loader.conf
>>> works around it.
>>
>> I already tried this. It didn't change anything. Same timeouts.
>>
>> I also tried vfs.zfs.vdev.min_pending="1" and vfs.zfs.vdev.max_pending="1"
>> in loader.conf without any positive change.
>>
>
> Okay, I was just worried as I recently changed mpt(4) to use MSI/MSI-X
> by default for the SAS variants but couldn't test with all of them. I'm
> not aware of any issues with the driver causing command timeouts though.
> I'd make sure that both the controller and the disks have the latest
> firmware; IIRC some time ago someone reported on current@ that updating
> the firmware of the disks solved the timeouts he was seeing for him.
I already use the latest IR firmware on my controller. This Intel SASUC8I
supports both initiator target (IT) and integrated RAID (IR) firmware as most
LSI SAS host adapter [1]. I flashed the controller from IR to IT. It works now.
With IR firmware:
mptutil show adapter
mpt0 Adapter:
Board Name: SASUC8I
Board Assembly: L3-25071-00C
Chip Name: C1068E
Chip Revision: UNUSED
RAID Levels: RAID0, RAID1, RAID1E
RAID0 Stripes: 64k
RAID1E Stripes: 64k
RAID0 Drives/Vol: 2-10
RAID1 Drives/Vol: 2
With IT firmware:
mptutil show adapter
mpt0 Adapter:
Board Name: SASUC8I
Board Assembly: L3-25071-00C
Chip Name: C1068E
Chip Revision: UNUSED
RAID Levels: none
[1] http://kb.lsi.com/KnowledgebaseArticle16266.aspx
Regards,
Thomas_______________________________________________
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