Re: 2.6.31-rc9 kernel BUG and mvsas

[Mikael Abrahamsson]

On Thu, 3 Dec 2009, Kristleifur Daðason wrote:

> On Thu, Dec 3, 2009 at 9:17 PM, Mikael Abrahamsson <swmike@xxxxxxxxx> 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@xxxxxxxxx