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From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Miles Lane <miles.lane@gmail.com>
Subject: Re: 2.6.31-rc6-git2 -- PM: Preparing system for mem sleep -- [<10af497>] ? sync_buffer+0x0/0x37
Date: Tue, 18 Aug 2009 23:32:12 +0200
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Cc: Jens Axboe <jens.axboe@oracle.com>, "Greg Kroah-Hartman" <gregkh@suse.de>,
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On Tuesday 18 August 2009, Miles Lane wrote:
> I'll send my .config file separately.  I am afraid that including it
> in this message might cause VGER to reject it.
...
> Aug 17 21:27:12 ubuntu kernel: [26639.211086]  nm-applet
> Aug 17 21:27:12 ubuntu kernel: [26639.211360]
> Aug 17 21:27:12 ubuntu kernel: [26639.211365] Restarting tasks ... done.

You had nm-applet in TASK_UNINTERRUPTIBLE.

Is this reproducible?

Rafael