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From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: "Wouter M. Koolen" <W.M.Koolen-Wijkstra@cwi.nl>
Cc: len.brown@intel.com, pavel@ucw.cz, linux-kernel@vger.kernel.org
Subject: Re: [BUG] NULL deref in swapin_readahead
Date: Fri, 11 Nov 2011 13:07:02 +0100	[thread overview]
Message-ID: <201111111307.02203.rjw@sisk.pl> (raw)
In-Reply-To: <4EBD0767.8040901@cwi.nl>

On Friday, November 11, 2011, Wouter M. Koolen wrote:
> Hi suspend gurus,
> 
> I got the attached NULL deref while closing and immediately reopening my 
> laptop lid. The laptop is configured to suspend to RAM.
> 
> Google yields nothing similar for "unable to handle kernel NULL pointer 
> dereference" "swapin_readahead" "radix_tree_lookup", so I guess this is 
> an as-yet unknown problem. If not, please excuse the noise.
> 
> Kernel (vanilla 3.1.0) config attached. The laptop is a MacBook4,1.
> 
> The machine goes on to print a series of soft lockup reports, but I 
> assumed they are PTSD and omited them.

Well, the trace doesn't indicate how the problem is related to the
suspend/resume code paths.

Is this a regression for you?

Thanks,
Rafael

  reply	other threads:[~2011-11-11 12:04 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-11-11 11:30 [BUG] NULL deref in swapin_readahead Wouter M. Koolen
2011-11-11 12:07 ` Rafael J. Wysocki [this message]
2011-11-11 12:27   ` Wouter M. Koolen
2011-11-11 23:55     ` Pavel Machek
2011-11-17  1:57     ` Hugh Dickins

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