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

From: Helge Hafting
Date: Sun Sep 30 2007 - 16:58:33 EST

Thomas Gleixner wrote:
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 ...
Sure. But I can't get a cable right now. Was the registers necessary
in this case? Often, the trace turns out to be enough.

Helge Hafting

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