linux-kernel - Re: s2ram broken (perf)

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Message-ID: <1316637303.24750.41.camel@twins>
Date:	Wed, 21 Sep 2011 22:35:03 +0200
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Jiri Slaby <jslaby@...e.cz>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Linux-pm mailing list <linux-pm@...ts.linux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Jiri Slaby <jirislaby@...il.com>
Subject: Re: s2ram broken (perf)

On Wed, 2011-09-21 at 22:24 +0200, Jiri Slaby wrote:
> Hi,
> 
> this commit:
> commit 144060fee07e9c22e179d00819c83c86fbcbf82c
> Author: Peter Zijlstra <a.p.zijlstra@...llo.nl>
> Date:   Mon Aug 1 12:49:14 2011 +0200
> 
>     perf: Add PM notifiers to fix CPU hotplug races
> 
> breaks resume from s2ram for me, paradoxically. The text which was on
> the console before suspend appears when I resume. But the system hangs
> hard at that point. Reverting that commit on the top of -next helps.

bah.. nor did it fix the problem that was reported apparently... best to
back out and see if I can actually reproduce on something. I hate
developing on laptops :/


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