linux-kernel - Re: clocksource mutex deadlock, cat current

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Message-ID: <alpine.LFD.2.00.1002082213500.2811@localhost.localdomain>
Date:	Mon, 8 Feb 2010 22:16:45 +0100 (CET)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Andreas Mohr <andi@...as.de>
cc:	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...hat.com>,
	John Stultz <johnstul@...ibm.com>
Subject: Re: clocksource mutex deadlock, cat current_clocksource
 (2.6.33-rc6/7)



On Mon, 8 Feb 2010, Andreas Mohr wrote:

> On Mon, Feb 08, 2010 at 09:51:05PM +0100, Andreas Mohr wrote:
> > Looks like it:
> > - another bootup also had lockup message
> > - all /var/log/dmesg* have lockup message, oldest is:
> > 2010-02-07 20:00 dmesg.4.gz
> > 
> > Linux version 2.6.33-rc6 (root@...e) (gcc version 4.3.4 (Debian 4.3.4-6)) #3 Sun Jan 31 23:47:51 CET 2010
> 
> -rc4 and 2.6.32.3 don't show lockup message, instant bootup without any
> visible delay.
> 
> Don't tell me I'm now supposed to try -rc5 and also rebuild -rc6 ;)
> If so, do tell early so that I have lots of time to get it built...

Well, we better know, after which point that problem manifested
itself. A bisect would be optimal.

Thanks,

	tglx


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