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

[Helge Hafting]

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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