[Xen-devel] Re: [bisected] 2.6.31 regression: fails to boot as xen guest

[Ingo Molnar <mingo@xxxxxxx>]

* Arnd Hannemann <hannemann@xxxxxxxxxxxxxxxxxxx> wrote:

> Pekka Enberg wrote:
> > On Tue, 2009-08-25 at 19:49 +0200, Arnd Hannemann wrote:
> >> Hi Pekka,
> >>
> >> Pekka Enberg wrote:
> >>> On Tue, 2009-08-25 at 18:49 +0200, Arnd Hannemann wrote:
> >>>>> Thanks for doing the bisect! Can we also see your .config
> >>>>> also?
> >>>> Config for -rc7 is attached. My bisect configs were based on
> >>>> that
> >>> Thanks! While we wait for the Xen people, you can try the
> >>> following patch to see if we can narrow the bug down to
> >>> trap_init().
> >> Yes seems to be trap_init(). -rc7 with this patch applied boots up
> >> to the prompt.
> >
> > Thanks for testing! Ingo, what do you think of the following patch?
> > AFAICT, x86-32 is the only architecture playing with traps in
> > mem_init() so this should be the safest fix for 2.6.31.
> 
> Hmm, -rc7 + this fix does not work for me :-/
> Still hangs before any output...

does earlyprintk=vga tell you anything about precisely where it 
hangs?

        Ingo

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