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Message-ID: <20100110201926.GC32195@think>
Date: Sun, 10 Jan 2010 15:19:26 -0500
From: Chris Mason <chris.mason@...cle.com>
To: Johannes Hirte <johannes.hirte@....tu-ilmenau.de>
Cc: linux-btrfs@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: task imap:2958 blocked for more than 120 seconds
On Sun, Jan 10, 2010 at 09:05:46PM +0100, Johannes Hirte wrote:
> I've observed this hanging task now several times. Not sure when this started,
> but 2.6.32 is affected too, IIRC. I don't have a test pattern for this. Dovecot
> imap triggers this from time to time. I've enabled CONFIG_DETECT_HUNG_TASK now
> and got this two tasks which hang:
You're stuck on a read, could you please do a sysrq-w when this happens?
Also, do you eventually recover or are you stuck forever?
-chris
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