From: Mike Travis <travis@sgi.com>
To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
"H. Peter Anvin" <hpa@zytor.com>,
Christoph Lameter <cl@linux-foundation.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Ingo Molnar <mingo@elte.hu>,
Andrew Morton <akpm@linux-foundation.org>,
Jack Steiner <steiner@sgi.com>
Subject: Re: [crash, bisected] Re: [PATCH 3/4] x86_64: Fold pda into per cpu area
Date: Wed, 09 Jul 2008 07:39:56 -0700 [thread overview]
Message-ID: <4874CDBC.6010500@sgi.com> (raw)
In-Reply-To: <4873FD00.1060101@goop.org>
Jeremy Fitzhardinge wrote:
> Eric W. Biederman wrote:
>> Mike Travis <travis@sgi.com> writes:
>>
>>
>>> Unfortunately it's back to the problem of faulting before
>>> x86_64_start_kernel()
>>> and grub just immediately reboots. So I'm back at analyzing
>>> assembler and
>>> config differences.
>>>
>>
>> Ok. That is a narrow window of code. So it shouldn't be too bad,
>> nasty though.
>>
>> If you would like to trace through it I have attached my serial port
>> debugging routines that I use in that part of the code.
>
> Last time it was doing this, it was a result of a triple-fault caused by
> loading %ds with an all-zero gdt. I modified Xen to dump the CPU state
> on triple-faults, so it was easy to pinpoint. I can do that again if it
> helps.
>
> J
Absolutely! I'll repost the latest version of the patchset. Still haven't
gotten around to enabling a XEN boot but it sure does sound handy.
Thanks,
Mike
next prev parent reply other threads:[~2008-07-09 14:40 UTC|newest]
Thread overview: 108+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-04 0:30 [PATCH 0/4] percpu: Optimize percpu accesses Mike Travis
2008-06-04 0:30 ` [PATCH 1/4] Zero based percpu: Infrastructure to rebase the per cpu area to zero Mike Travis
2008-06-10 10:06 ` Ingo Molnar
2008-06-04 0:30 ` [PATCH 2/4] x86: Extend percpu ops to 64 bit Mike Travis
2008-06-10 10:04 ` Ingo Molnar
2008-06-04 0:30 ` [PATCH 3/4] x86_64: Fold pda into per cpu area Mike Travis
2008-06-04 12:59 ` Jeremy Fitzhardinge
2008-06-04 13:48 ` Mike Travis
2008-06-04 13:58 ` Jeremy Fitzhardinge
2008-06-04 14:17 ` Mike Travis
2008-06-09 23:18 ` Christoph Lameter
2008-06-05 10:22 ` [crash, bisected] " Ingo Molnar
2008-06-05 16:02 ` Mike Travis
2008-06-06 8:29 ` Jeremy Fitzhardinge
2008-06-06 13:15 ` Mike Travis
2008-06-18 5:34 ` Jeremy Fitzhardinge
2008-06-10 21:31 ` Mike Travis
2008-06-18 17:36 ` Jeremy Fitzhardinge
2008-06-18 18:17 ` Mike Travis
2008-06-18 18:33 ` Ingo Molnar
2008-06-18 19:33 ` Jeremy Fitzhardinge
[not found] ` <48596893.4040908@sgi.com>
[not found] ` <485AADAC.3070301@sgi.com>
[not found] ` <485AB78B.5090904@goop.org>
[not found] ` <485AC120.6010202@sgi.com>
[not found] ` <485AC5D4.6040302@goop.org>
[not found] ` <485ACA8F.10006@sgi.com>
[not found] ` <485ACD92.8050109@sgi.com>
2008-06-19 21:35 ` Jeremy Fitzhardinge
2008-06-19 21:54 ` Jeremy Fitzhardinge
2008-06-19 22:13 ` Mike Travis
2008-06-19 22:21 ` Jeremy Fitzhardinge
2008-06-30 17:49 ` Mike Travis
2008-06-19 22:23 ` Jeremy Fitzhardinge
[not found] ` <485BDB04.4090709@sgi.com>
2008-06-20 17:25 ` Jeremy Fitzhardinge
2008-06-20 17:48 ` Christoph Lameter
2008-06-20 18:30 ` Mike Travis
2008-06-20 18:40 ` Jeremy Fitzhardinge
2008-06-20 18:37 ` Jeremy Fitzhardinge
2008-06-20 18:51 ` Christoph Lameter
2008-06-20 19:04 ` Jeremy Fitzhardinge
2008-06-20 19:21 ` H. Peter Anvin
2008-06-20 19:43 ` Eric W. Biederman
2008-06-20 20:04 ` Mike Travis
2008-06-20 20:37 ` Christoph Lameter
2008-06-20 19:06 ` Mike Travis
2008-06-20 20:25 ` Eric W. Biederman
2008-06-20 20:55 ` Christoph Lameter
2008-06-23 16:55 ` Mike Travis
2008-06-23 17:33 ` Jeremy Fitzhardinge
2008-06-23 18:04 ` Mike Travis
2008-06-23 18:36 ` Mike Travis
2008-06-23 19:41 ` Jeremy Fitzhardinge
2008-06-24 0:02 ` Mike Travis
2008-06-30 17:07 ` Mike Travis
2008-06-30 17:18 ` H. Peter Anvin
2008-06-30 17:57 ` Mike Travis
2008-06-30 20:50 ` Eric W. Biederman
2008-06-30 21:08 ` Jeremy Fitzhardinge
2008-07-01 8:40 ` Eric W. Biederman
2008-07-01 16:27 ` Jeremy Fitzhardinge
2008-07-01 16:55 ` Mike Travis
2008-07-01 16:56 ` H. Peter Anvin
2008-07-01 17:26 ` Jeremy Fitzhardinge
2008-07-01 20:40 ` Eric W. Biederman
2008-07-01 21:10 ` Jeremy Fitzhardinge
2008-07-01 21:39 ` Eric W. Biederman
2008-07-01 21:52 ` Jeremy Fitzhardinge
2008-07-02 0:20 ` H. Peter Anvin
2008-07-02 1:15 ` Mike Travis
2008-07-02 1:32 ` Eric W. Biederman
2008-07-02 1:51 ` Mike Travis
2008-07-02 2:50 ` Eric W. Biederman
2008-07-02 1:40 ` H. Peter Anvin
2008-07-02 1:44 ` Mike Travis
2008-07-02 1:45 ` H. Peter Anvin
2008-07-02 1:55 ` Mike Travis
2008-07-02 22:50 ` Mike Travis
2008-07-03 4:34 ` Eric W. Biederman
2008-07-07 17:17 ` Mike Travis
2008-07-07 19:46 ` Eric W. Biederman
2008-07-08 18:21 ` Mike Travis
2008-07-08 23:36 ` Eric W. Biederman
2008-07-08 23:49 ` Jeremy Fitzhardinge
2008-07-09 14:39 ` Mike Travis [this message]
2008-07-25 20:06 ` Mike Travis
2008-07-25 20:12 ` Jeremy Fitzhardinge
2008-07-25 20:34 ` Mike Travis
2008-07-25 20:43 ` Jeremy Fitzhardinge
2008-07-25 21:05 ` Mike Travis
2008-07-09 14:37 ` Mike Travis
2008-07-09 22:38 ` Eric W. Biederman
2008-07-09 23:30 ` Mike Travis
2008-07-10 0:04 ` Eric W. Biederman
2008-07-02 2:01 ` H. Peter Anvin
2008-07-02 3:08 ` Eric W. Biederman
2008-07-01 21:11 ` Andi Kleen
2008-07-01 21:42 ` Eric W. Biederman
2008-07-01 18:41 ` Eric W. Biederman
2008-07-01 12:09 ` Mike Travis
2008-07-01 11:49 ` Mike Travis
2008-06-30 17:43 ` Jeremy Fitzhardinge
2008-06-04 0:30 ` [PATCH 4/4] x86: Replace xxx_pda() operations with x86_xx_percpu() Mike Travis
2008-06-09 13:03 ` Ingo Molnar
2008-06-09 16:08 ` Mike Travis
2008-06-09 17:36 ` Mike Travis
2008-06-09 18:20 ` Christoph Lameter
2008-06-09 23:29 ` Jeremy Fitzhardinge
2008-06-10 10:09 ` Ingo Molnar
2008-06-10 15:07 ` Mike Travis
2008-06-04 10:18 ` [PATCH] x86: collapse the various size-dependent percpu accessors together Jeremy Fitzhardinge
2008-06-04 10:45 ` Jeremy Fitzhardinge
2008-06-04 11:29 ` Ingo Molnar
2008-06-04 12:09 ` Jeremy Fitzhardinge
2008-06-10 17:21 ` Christoph Lameter
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=4874CDBC.6010500@sgi.com \
--to=travis@sgi.com \
--cc=akpm@linux-foundation.org \
--cc=cl@linux-foundation.org \
--cc=ebiederm@xmission.com \
--cc=hpa@zytor.com \
--cc=jeremy@goop.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=steiner@sgi.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.