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

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Message-ID: <alpine.LFD.0.9999.0709301755080.3142@localhost.localdomain>
Date:	Sun, 30 Sep 2007 17:58:04 +0200 (CEST)
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 Sat, 29 Sep 2007, Helge Hafting wrote:
> Thomas Gleixner wrote:
> > > 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.
> >   
> I didn't need the serial - it crashes during console work too.
> I think a "make clean" was in progress at the time. There must be work going
> on in order to crash.
> 
> This time 2.6.22rc4 died on me with a general protection fault
> 
> I got two reports, the first one scrolled partially off screen but
> the whole trace was there:

That's why I asked for a serial console. That way we can get all the
information from the reports including the register dumps ....

> Then I got:
> spinlock lockup on cpu #0, kswapd 0/212

That's probably caused by the previous one.

       tglx
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