From: Ingo Molnar <mingo@elte.hu>
To: Arnd Hannemann <hannemann@nets.rwth-aachen.de>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>,
Arnd Hannemann <Arnd.Hannemann@nets.rwth-aachen.de>,
LKML <linux-kernel@vger.kernel.org>,
"hannes@cmpxchg.org" <hannes@cmpxchg.org>,
"torvalds@linux-foundation.org" <torvalds@linux-foundation.org>,
Jeremy Fitzhardinge <jeremy@goop.org>,
"xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: Re: [bisected] 2.6.31 regression: fails to boot as xen guest
Date: Tue, 25 Aug 2009 20:25:10 +0200 [thread overview]
Message-ID: <20090825182510.GA6903@elte.hu> (raw)
In-Reply-To: <4A942BDD.70303@nets.rwth-aachen.de>
* Arnd Hannemann <hannemann@nets.rwth-aachen.de> 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
next prev parent reply other threads:[~2009-08-25 18:25 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-25 15:48 [bisected] 2.6.31 regression: fails to boot as xen guest Arnd Hannemann
2009-08-25 16:29 ` Pekka Enberg
2009-08-25 16:49 ` Arnd Hannemann
2009-08-25 16:52 ` Pekka Enberg
2009-08-25 17:49 ` Arnd Hannemann
2009-08-25 18:03 ` Pekka Enberg
2009-08-25 18:08 ` Jeremy Fitzhardinge
2009-08-25 18:22 ` Arnd Hannemann
2009-08-25 18:25 ` Ingo Molnar [this message]
2009-08-25 18:30 ` Jeremy Fitzhardinge
2009-08-25 18:38 ` Arnd Hannemann
2009-08-25 18:43 ` Pekka Enberg
2009-08-25 19:31 ` Jeremy Fitzhardinge
2009-08-25 19:30 ` Jeremy Fitzhardinge
2009-08-25 18:58 ` Pekka Enberg
2009-08-25 19:07 ` Pekka Enberg
2009-08-25 19:13 ` Arnd Hannemann
2009-08-26 9:59 ` Benjamin Herrenschmidt
2009-08-25 18:06 ` Jeremy Fitzhardinge
2009-08-25 18:14 ` Pekka Enberg
2009-08-26 11:54 ` Pasi Kärkkäinen
2009-08-26 12:00 ` Pekka Enberg
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