linux-kernel - Re: suspend to disk now broken

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Message-Id: <200907122219.53116.rjw@sisk.pl>
Date:	Sun, 12 Jul 2009 22:19:52 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Celejar <celejar@...il.com>
Cc:	lkml <linux-kernel@...r.kernel.org>,
	pm list <linux-pm@...ts.linux-foundation.org>
Subject: Re: suspend to disk now broken

On Sunday 12 July 2009, Celejar wrote:
> Hi,
> 
> A recent change to the kernel has apparently broken suspend to disk on
> my machine.  It still works fine in 2.6.30.1, but hangs during the
> 'devices' phase of suspension with 2.6.31-rc2.  [I originally saw the
> problem using the wireless-testing git repo, but I've subsequently
> reproduced it using the mainline code from the kernel.org homepage.]  I
> saw a rumor that the problem may have something to do with recent
> changes to the Intel graphics drivers, so  I've tried to remove the
> driver (i915) before suspending, but it won't come out.
> 
> The machine is an Acer Aspire 3690 laptop, with Intel motherboard and
> chipsets and Broadcom networking.  The last message seen on the console
> during the failed suspend is:
> 
> Suspending console(s) (use no_console_suspend to debug)
> 
> The machine has no serial port, but I do have a Prolific USB-serial
> converter; will that be useful?
> 
> I'm attaching the output of 'grep ^C .config', since I assume that it
> contains relevant information.
> 
> Please cc. me on responses.

Do you use s2disk or 'echo disk > /sys/power/state'?

Rafael
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