linux-kernel - Re: Soft lockup problem

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Message-ID: <20120207231615.11358.qmail@md.dent.med.uni-muenchen.de>
Date:	8 Feb 2012 00:16:15 +0100
From:	Wolfram Gloger <wmglo@...t.med.uni-muenchen.de>
To:	jack@...e.cz
CC:	linux-kernel@...r.kernel.org
Subject: Re: Soft lockup problem

Thanks for your response.

> From: Jan Kara <jack@...e.cz>

>   Hmm, then this isn't really a deadlock (at least in your case) but only a
> rather unresponsive system.

Well, like the subject says this is a "soft lockup"..
When it happened the first time the system actually recovered
after some hours.
But like Gerard said, there is no apparent ground for this
unresponsiveness, there are tons of memory free and no swapping.

> Looking at the backtraces you provided I don't
> see anything really suspicious. Only maybe fsnotify_mark process - do you
> use fsnotify?

I have configured CONFIG_FSNOTIFY=y indeed but don't think I'm using it
from userspace..

Regards,
Wolfram.
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