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

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Date:	Thu, 19 Apr 2007 00:16:09 +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:

> 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.

i just tried the same and it suspended+resumed just fine:

Restarting tasks ... done.
Suspend2 debugging info:
- Suspend core   : 2.2.9.12
- Kernel Version : 2.6.21-rc7-CFS-v3
- Compiler vers. : 4.0
- Attempt number : 2
- Parameters     : 0 81920 0 0 0 0
- Overall expected compression percentage: 0.
- Compressor is 'lzf'.
  Compressed 31133696 bytes into 14880587 (52 percent compression).
- SwapAllocator active.
  Swap available for image: 512036 pages.
- FileAllocator inactive.
- I/O speed: Write 76 MB/s, Read 42 MB/s.
- Extra pages    : 18 used/500.

could you send me your .config?

	Ingo
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