Message-ID: <422597C3.5020207@wasp.net.au>
Date: Wed, 02 Mar 2005 14:38:59 +0400
From: Brad Campbell <brad@wasp.net.au>
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To: Florian Engelhardt <dot@dot-matrix.de>
CC: linux-kernel@vger.kernel.org
Subject: Re: freezes with reiser4 in a raid1 with 2.6.11-rc5-mm1
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Florian Engelhardt wrote:
> 
> I activated the raid (/dev/md0), then mounted it, and after
> that i was starting nfs. I was able to mount the share
> on my desktop, creating direcrotys was no problem, but
> as soon as i was copying a file to the share, the server
> freezed.
> Creating files localy (while loged in via ssh) is leading
> to the process is staying in state D.
> Sometimes, when i start nfsd, the system reboots immediately,
> sometimes not.
> At the momment, most of the processes are in state D, reboot
> does not work, and i am not at home, so i am unable to reboot
> the machine manualy.

Neat trick which I only discovered in desparation last week when battling a RAID lockup on the 
-rc4-mm1 kernel on a remote box.

I was also having hard lockup issues, but reseating all my PCI cards appear to have rectified that one.

As root. echo b > /proc/sysrq-trigger

Of course only if you have alt-sysrq built in.

Brad
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