linux-kernel - Re: [PATCH] clockevents: Fix suspend/resume to disk hangs

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Message-ID:  <eto9sh$262$1@sea.gmane.org>
Date:	Tue, 20 Mar 2007 10:35:13 +0100
From:	Marcus Better <marcus@...ter.se>
To:	linux-kernel@...r.kernel.org
Subject:  Re: [PATCH] clockevents: Fix suspend/resume to disk hangs

Thomas Gleixner wrote:

> I finally found a dual core box, which survives suspend/resume without
> crashing in the middle of nowhere. Sigh, I never figured out from the
> code and the bug reports what's going on.
> 
> The observed hangs are caused by a stale state transition of the clock
> event devices, which keeps the RCU synchronization away from completion,
> when the non boot CPU is brought back up.

This didn't fix the suspend problems on my Thinkpad R60. (Sorry for
nagging - please let me know if I can assist in debugging this...)

Marcus


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