linux-kernel - Re: x86-64 sporadic hang in 2.6.23rc7 and 2.6.22

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Date:	Mon, 24 Sep 2007 23:29:11 +0200
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Helge Hafting <helge.hafting@...el.hist.no>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: x86-64 sporadic hang in  2.6.23rc7 and 2.6.22


On Mon, 2007-09-24 at 23:08 +0200, Helge Hafting wrote:
> The two kernels mentioned hangs occationally.
> Typically when I compile something and pass the time
> by surfing the web.
> 
> A few minutes and then I notice that the mouse (and everything else in X)
> stops.  kbd LEDs does not react to numlock/capslock.
> The only thing that still works is sysrq+B
> So far this has happened while running X, so no messages.
> 
> I have gone back to 2.6.22rc4, which seems to work.
> 
> This is a single opteron, although on a dual-slot board.

Can you switch to serial console, so we can get some information out of
that box? Sysrq-B is working, so we can get info from other sysrq
functions as well.

	tglx


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