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Re: system hangs 2.6.39-rc7 xfs related

To: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Subject: Re: system hangs 2.6.39-rc7 xfs related
From: Alex Romosan <romosan@xxxxxxxxxxxxxxx>
Date: Tue, 17 May 2011 09:29:22 -0700
Cc: linux-kernel@xxxxxxxxxxxxxxx, xfs@xxxxxxxxxxx
In-reply-to: <20110517155018.GB17735@xxxxxxxxxxxxx> (message from Christoph Hellwig on Tue, 17 May 2011 11:50:19 -0400)
References: <87ei3y7aei.fsf@xxxxxxxxxxxxxxx> <20110517155018.GB17735@xxxxxxxxxxxxx>
User-agent: Gnus/5.110018 (No Gnus v0.18) Emacs/23.3 (gnu/linux)
Christoph Hellwig <hch@xxxxxxxxxxxxx> writes:

> On Mon, May 16, 2011 at 11:44:37AM -0700, Alex Romosan wrote:
>> my system just sort of locked up and everything that's trying to write
>> to disk is stuck. dmesg gives me this:
>
> This looks quite similar to a few other XFS issues in the .39 cycle.
> Can you upgrade to latest Linus HEAD which has fixes for these similar
> issues and see if that fixes your issues?

i'll give it a try, but it might take some time before i can figure out
if the fixes work as i still haven't figured out a way to reproduce
this consistently (having a lot of processes write to disk at the same
time increases the likelihood of it happening but doesn't guarantee it).

--alex--

-- 
| I believe the moment is at hand when, by a paranoiac and active |
|  advance of the mind, it will be possible (simultaneously with  |
|  automatism and other passive states) to systematize confusion  |
|  and thus to help to discredit completely the world of reality. |

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