mfi timeouts

[Vincent Hoffman]

On 08/11/2011 22:24, Vincent Hoffman wrote:
> On 08/11/2011 19:50, John Baldwin wrote:
>> On Wednesday, November 02, 2011 5:47:38 pm Vincent Hoffman wrote:
>>> On 28/10/2011 04:14, Jan Mikkelsen wrote:
>>>> Hi,
>>>>
>>>> There is a patch linked to from this PR, which seems very similar:
>>>>
>>>> http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/140416
>>>>
>>>> http://lists.freebsd.org/pipermail/freebsd-scsi/2011-March/004839.html
>>>>
>>>> The problem is also consistent with running mfiutil clearing the problem.
>>>>
>>>> I'm about to deploy mfi controllers in a similar configuration, so I'd be 
>> very curious about whether the patch fixes the problem for you.
>>> The patch you linked to seems to have removed the stalls, although I
>>> have only had it running for a day. I'll post if it stalls again though.
>>>
>>> I did manage to scrounge the use of a Dell r410 with a
>>> LSI Logic / Symbios Logic MegaRAID SAS 2108 [Liberator] (rev 05)
>>> Badged as Dell PERC H700 Adapter
>>>
>>> to test out the patch I originally found but had the same issue as this post
>>>
>>> http://lists.freebsd.org/pipermail/freebsd-stable/2011-September/063821.html
>>>
>>>
>>> I couldnt get the dell to stall in the first place either though so it
>>> could be a specific firmware version that the issue.
>>>
>>> Anyway thanks for the pointers.
>> Hmm, did you try the patch I had posted from that earlier thread?  It had
>> two changes in it, one was similar to the patch in the PR, the second added
>> MSI-X support.  I've since tweaked it to make the MSI-X support off by
>> default but possible to enable via loader.conf.  Would you be willing to
>> try the updated patch at www.freebsd.org/~jhb/patches/mfi.patch?
> Hi,
> yes I tried the patch you posted originally, unfortunately the dell
> never finished booting either. The Supermicro is now in production but
> I'll take the dell up to 9-STABLE and try your updated patch.
>
The patch didnt apply quite cleanly for 9-STABLE, 1 reject as it had
already been applied.

I have rebooted the dell and it seems happy with the new patch (msi
disabled.)
Booting with
hw.mfi.msix=1 in /boot/loader.conf causes the timeouts again and stops
the boot from completing.
I can give root access to the machine if this would be helpful, I cant
give KVM access though unfortunately.
(but can look in from time to time if needed.)


Vince

>
>>> Vince
>>>
>>>
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