Date: Sun, 6 Jul 2003 19:19:41 -0700
From: Andrew Morton <akpm@osdl.org>
To: vincent.touquet@pandora.be
Cc: linux-kernel@vger.kernel.org
Subject: Re: [Bug report] System lockups on Tyan S2469 and lots of io [smp
 boot time problems too :(]
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Vincent Touquet <vincent.touquet@pandora.be> wrote:
>
> On Mon, Jul 07, 2003 at 02:30:07AM +0200, Vincent Touquet wrote:
> >PS: will test if the system still locks up soon, I hope not...
> 
> So it does lock up again :(((
> 
> But now I was able to quickly switch to console and grab the contents of
> /var/log/messages before it totally hanged. I can usually tell when the
> hang is going to happen: activity on the array stops, then I have a few
> more seconds till it hangs completely ....
> 
> The message was:
> 
> Jul 7 02:45:36 kalimero kernel: 3w-xxxx: scsi0: Unit #0:
> command (f7618800) timed out, resetting card.
> 
> Then of course, the system totally hangs.

The next step would be to try some older versions.  There was a big 3ware
update between 2.5.64 and 2.5.65.  Can you try both of those?

hmm, I see a "fixme" and an interruptible_sleep_on_timeout() around that
error message.  Do the hangs happen on uniprocessor, non-preemptible
kernels?

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