linux-kernel - Re: 2.6.25-rc2 rcupreempt WARN after suspend to ram

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Message-Id: <200802241638.15902.fzu@wemgehoertderstaat.de>
Date:	Sun, 24 Feb 2008 16:38:15 +0100
From:	Karsten Wiese <fzu@...gehoertderstaat.de>
To:	paulmck@...ux.vnet.ibm.com
Cc:	linux-kernel@...r.kernel.org
Subject: Re: 2.6.25-rc2 rcupreempt WARN after suspend to ram

Am Samstag, 23. Februar 2008 schrieb Karsten Wiese:
> Am Samstag, 23. Februar 2008 schrieb Paul E. McKenney:
> > On Sat, Feb 23, 2008 at 01:41:02PM +0100, Karsten Wiese wrote:
> > > Hi,
> > > 
> > > This appeared in dmesg after
> > > 	$ echo core > /sys/power/pm_test
> > > followed by 3 cycles of
> > > 	$ echo mem > /sys/power/state
> > > . .config attached.
> > > 
> > > dmesg excerpt (, full ~1MByte available):
> > 
> > Does this tree have http://lkml.org/lkml/2008/1/29/208 applied?
> 
> Yes. This tree was linus' git head as of yesterday or the day before.

Updated to git-head of today, same test and .config, different symptoms
like in this thread: http://lkml.org/lkml/2008/2/23/260
Later in this thread, Alan Cox said it looked like irq problems.
Maybe also the rcupreemt related WARN_ON I saw are caused by irq problems.

Thanks,
      Karsten
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