proliant server lockups with freebsd-amd64-stable (2010-03-10)

[Pawel Jakub Dawidek]

On Thu, Mar 11, 2010 at 01:39:16PM +0100, Kai Gallasch wrote:
> Hi.
> 
> I have some trouble with an opteron server locking up spontaneously. It looses
> all networks connectivity and even through console I can get no shell.
> 
> Lockups occur mostly under disk load (periodic daily, bacula backup
> running, make buildworld/buildkernel) and I can provoke them easily.
[...]
>     4     0     0     0  LL     *cissmtx  0xffffff04ed820c00 [g_down]
[...]
> 100046                   L      *cissmtx  0xffffff04ed820c00 [irq257: ciss0]
[...]

I was analizing similar problem as potential ZFS bug. It turned out to
be bug in ciss(4) and I believe mav@ (CCed) has fix for that.

-- 
Pawel Jakub Dawidek                       http://www.wheelsystems.com
pjd at FreeBSD.org                           http://www.FreeBSD.org
FreeBSD committer                         Am I Evil? Yes, I Am!
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