From: Arnd Hannemann <hannemann@nets.rwth-aachen.de>
To: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: 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>,
Ingo Molnar <mingo@elte.hu>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: Re: [bisected] 2.6.31 regression: fails to boot as xen guest
Date: Tue, 25 Aug 2009 21:13:40 +0200 [thread overview]
Message-ID: <4A9437E4.4060609@nets.rwth-aachen.de> (raw)
In-Reply-To: <1251227271.13451.16.camel@penberg-laptop>
Pekka Enberg wrote:
> On Tue, 2009-08-25 at 21:58 +0300, Pekka Enberg wrote:
>> On Tue, 2009-08-25 at 20:22 +0200, Arnd Hannemann 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...
>> Arnd, does this work for you?
>
> Here's a version of the patch that actually compiles. :-)
Great, this actually works, too :-)
Boots up to the prompt.
Best regards,
Arnd
WARNING: multiple messages have this Message-ID (diff)
From: Arnd Hannemann <hannemann@nets.rwth-aachen.de>
To: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>,
"xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
LKML <linux-kernel@vger.kernel.org>,
"hannes@cmpxchg.org" <hannes@cmpxchg.org>,
Arnd Hannemann <Arnd.Hannemann@nets.rwth-aachen.de>,
"torvalds@linux-foundation.org" <torvalds@linux-foundation.org>,
Ingo Molnar <mingo@elte.hu>
Subject: Re: [bisected] 2.6.31 regression: fails to boot as xen guest
Date: Tue, 25 Aug 2009 21:13:40 +0200 [thread overview]
Message-ID: <4A9437E4.4060609@nets.rwth-aachen.de> (raw)
In-Reply-To: <1251227271.13451.16.camel@penberg-laptop>
Pekka Enberg wrote:
> On Tue, 2009-08-25 at 21:58 +0300, Pekka Enberg wrote:
>> On Tue, 2009-08-25 at 20:22 +0200, Arnd Hannemann 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...
>> Arnd, does this work for you?
>
> Here's a version of the patch that actually compiles. :-)
Great, this actually works, too :-)
Boots up to the prompt.
Best regards,
Arnd
next prev parent reply other threads:[~2009-08-25 19:13 UTC|newest]
Thread overview: 38+ 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 16:29 ` Pekka Enberg
2009-08-25 16:49 ` Arnd Hannemann
2009-08-25 16:49 ` Arnd Hannemann
2009-08-25 16:52 ` Pekka Enberg
2009-08-25 16:52 ` Pekka Enberg
2009-08-25 17:49 ` Arnd Hannemann
2009-08-25 17:49 ` Arnd Hannemann
2009-08-25 18:03 ` Pekka Enberg
2009-08-25 18:03 ` Pekka Enberg
2009-08-25 18:08 ` Jeremy Fitzhardinge
2009-08-25 18:08 ` Jeremy Fitzhardinge
2009-08-25 18:22 ` Arnd Hannemann
2009-08-25 18:22 ` Arnd Hannemann
2009-08-25 18:25 ` Ingo Molnar
2009-08-25 18:25 ` Ingo Molnar
2009-08-25 18:30 ` Jeremy Fitzhardinge
2009-08-25 18:38 ` Arnd Hannemann
2009-08-25 18:38 ` Arnd Hannemann
2009-08-25 18:43 ` Pekka Enberg
2009-08-25 18:43 ` Pekka Enberg
2009-08-25 19:31 ` Jeremy Fitzhardinge
2009-08-25 19:31 ` Jeremy Fitzhardinge
2009-08-25 19:30 ` 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 19:07 ` Pekka Enberg
2009-08-25 19:13 ` Arnd Hannemann [this message]
2009-08-25 19:13 ` Arnd Hannemann
2009-08-26 9:59 ` Benjamin Herrenschmidt
2009-08-25 18:06 ` Jeremy Fitzhardinge
2009-08-25 18:06 ` Jeremy Fitzhardinge
2009-08-25 18:14 ` Pekka Enberg
2009-08-25 18:14 ` Pekka Enberg
2009-08-26 11:54 ` Pasi Kärkkäinen
2009-08-26 12:00 ` Pekka Enberg
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4A9437E4.4060609@nets.rwth-aachen.de \
--to=hannemann@nets.rwth-aachen.de \
--cc=Arnd.Hannemann@nets.rwth-aachen.de \
--cc=benh@kernel.crashing.org \
--cc=hannes@cmpxchg.org \
--cc=jeremy@goop.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=penberg@cs.helsinki.fi \
--cc=torvalds@linux-foundation.org \
--cc=xen-devel@lists.xensource.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.