linux-kernel - Regression: First hibernation attempt fails

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Message-ID: <49DDD83F.507@tuffmail.co.uk>
Date:	Thu, 09 Apr 2009 12:13:03 +0100
From:	Alan Jenkins <alan-jenkins@...fmail.co.uk>
To:	linux-pm@...ts.linux-foundation.org
CC:	Kernel Testers List <kernel-testers@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Regression: First hibernation attempt fails

Yet another issue in 2.6.30-rc1 which was not present in 2.6.29 :-).  I
wonder if it rings any bells?

On my laptop (EEE 4G), the first attempt at hibernation fails. 
Subsequent attempts succeed.

If I use s2disk as normal, I see "snapshotting system", then before it
gets to write out the image, it aborts and switches back to X.   I can't
see any error message, even if I check the log with "dmesg".

If I use "echo disk > /sys/power/state", echo reports the error "Cannot
allocate memory".

This only happens if I've logged in to X first.  In fact, I narrowed it
down to gnome-power-manager.  If I kill gnome-power-manager beforehand,
then it doesn't happen.

Alan
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