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

From: Thomas Gleixner
Date: Mon Sep 24 2007 - 17:29:25 EST

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.


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