linux-kernel - Re: 2.6.31-rc9 kernel BUG and mvsas

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Message-ID: <alpine.DEB.1.10.0912041952370.23464@uplift.swm.pp.se>
Date:	Fri, 4 Dec 2009 20:00:15 +0100 (CET)
From:	Mikael Abrahamsson <swmike@....pp.se>
To:	Kristleifur Daðason <kristleifur@...il.com>
cc:	linux-kernel@...r.kernel.org,
	linux-scsi <linux-scsi@...r.kernel.org>,
	Linux IDE mailing list <linux-ide@...r.kernel.org>
Subject: Re: 2.6.31-rc9 kernel BUG and mvsas

On Thu, 3 Dec 2009, Kristleifur Daðason wrote:

> On Thu, Dec 3, 2009 at 9:17 PM, Mikael Abrahamsson <swmike@....pp.se> wrote:
>>
>> On Wed, 4 Nov 2009, Andre Tomt wrote:
>>
>>> Identical issues with the AOC-SASLP-MV8 card with 8 Seagate Barracuda
>>> 7200.11 1.5TB drives using the mvsas driver. Creating a md raid array seems
>>> to trigger it nearly instantly, however other loads do not trigger it
>>> as fast (if at all, only tested briefly with paralell dd).
>>
>> Would just like to chime in with a "me too" on this. I've tried both ubuntu
>> 9.10 kernel (2.6.31) and their 10.04 pre-alpha (guess it's 2.6.32-rc8) and
>> mvsas + AOC-SASLP-MV8 is pretty much unusable. If I start md creation it
>> stalls immediately and gets nowhere, last time I tried it md claimed it had
>> written 160 blocks then it stalled (all drive LEDs on the controller is
>> constantly lit).
>>
>> If I boot without drives and then hot-plug the drives, it immediately
>> oops:es.
>>
>> Any code/fixes I can try, this is a lab machine so I can easily do whatever
>> needed with it...
>>
>
> Hi,
>
> I had a bit of trouble finding some patches that were released by Andy Yan at
> Marvell on November 9th, so here is a link:
>
> 1/7: http://kerneltrap.org/mailarchive/linux-scsi/2009/11/9/6558753

They applied cleanly to the ubuntu 10.04 2.6.32 kernel source package but 
when compiling I received an error about "sas_change_queue_depth" having 
wrong amount of arguments:

-		sas_change_queue_depth(sdev, MVS_QUEUE_SIZE);
+		sas_change_queue_depth(sdev, MVS_QUEUE_SIZE, SCSI_QDEPTH_DEFAULT);

So I removed that change and then things compiled, booted properly, but 
just froze when I plugged in the disks (including some garbled graphics on 
my X screen). That patch set doesn't seem to be ok.

-- 
Mikael Abrahamsson    email: swmike@....pp.se