linux-kernel - Re: Suspend to RAM regression in 2.6.28-rc2 (bisected)

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Date:	Mon, 27 Oct 2008 19:07:24 +0100
From:	Soeren Sonnenburg <kernel@....de>
To:	"Rafael J\. Wysocki" <rjw@...k.pl>
Cc:	"Carlos R\. Mafra" <crmafra2@...il.com>,
	Johannes Berg <johannes@...solutions.net>,
	linux-kernel@...r.kernel.org, tomas.winkler@...el.com,
	"John W\. Linville" <linville@...driver.com>,
	linux-wireless@...r.kernel.org
Subject: Re: Suspend to RAM regression in 2.6.28-rc2 (bisected)

On Mon, 2008-10-27 at 18:32 +0100, Rafael J. Wysocki wrote:
> [Added some CCs]
> 
> On Monday, 27 of October 2008, Carlos R. Mafra wrote:
> > Hi,
> > 
> > So I managed to bisect my suspend to RAM regression in 2.6.27-rc2
> > to commit 3b7ee69d0caefbdb85a606a98bff841b8c63b97e ("mac80211: disassociate 
> > when moving to new BSS") by Tomas Winkler (Cc:-ed).
> > 
> > Unfortunately it doesn't revert cleanly so I can't double check it.
> > 
> > My laptop is a Vaio FZ240E Core2Duo@...z and I use the iwlagn module
> > for the wireless connection.
> > 
> > The symptom is that suspending to RAM from inside X with 'echo mem >
> > /sys/power/state' leaves me a black screen when resuming back.
> > 
> > I can test any patches and provide more information of my laptop too.
> 
> Carlos, thanks a lot for bisecting this.
> 
> Johannes, can you pls have a look?

Hmmhh, I still have the problem when removing the mac80211 and other
wireless modules before s2ram...

Soeren
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