linux-kernel - Re: CFS and suspend2: hang in atomic copy

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Date:	Thu, 19 Apr 2007 00:02:28 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Christian Hesse <mail@...thworm.de>
Cc:	linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Con Kolivas <kernel@...ivas.org>,
	Nick Piggin <npiggin@...e.de>, Mike Galbraith <efault@....de>,
	Arjan van de Ven <arjan@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	suspend2-devel@...ts.suspend2.net
Subject: Re: CFS and suspend2: hang in atomic copy


* Christian Hesse <mail@...thworm.de> wrote:

> > although probably your suspend2 problem is still not fixed, it's 
> > worth a try nevertheless. Which suspend2 patch did you apply, and 
> > was it against -rc6 or -rc7?
> 
> You are right again. ;-)
> 
> Linux 2.6.21-rc7
> Suspend2 2.2.9.11 (applies cleanly to -rc7)
> CFS v3 (without any additional patches)
> 
> And it still hangs on suspend.

what's the easiest way for me to try suspend2? Apply the patch, reboot 
into the kernel, then execute what command to suspend? (there's a 
confusing mismash of initiators of all the suspend variants. Can i drive 
this by echoing to /sys/power/state?)

	Ingo
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