From: Jens Axboe <jens.axboe@oracle.com>
To: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Cc: LKML <linux-kernel@vger.kernel.org>, Andy Whitcroft <apw@shadowen.org>
Subject: Re: [BUG] 2.6.23-git18 Kernel oops in sg helpers
Date: Tue, 23 Oct 2007 20:44:20 +0200 [thread overview]
Message-ID: <20071023184419.GD14671@kernel.dk> (raw)
In-Reply-To: <471E110C.20404@linux.vnet.ibm.com>
On Tue, Oct 23 2007, Kamalesh Babulal wrote:
> Hi,
>
> Kernel oops is triggered while running fsx-linux test, followed by cpu softlock
> over the AMD box
>
> Unable to handle kernel NULL pointer dereference at 0000000000000018 RIP:
> [<ffffffff8021f2f6>] gart_map_sg+0x26c/0x406
> PGD 10185b067 PUD 10075b067 PMD 0
> Oops: 0002 [1] SMP
> CPU 3
> Modules linked in:
> Pid: 18676, comm: fsx-linux Not tainted 2.6.23-git18-autokern1 #1
> RIP: 0010:[<ffffffff8021f2f6>] [<ffffffff8021f2f6>] gart_map_sg+0x26c/0x406
> RSP: 0000:ffff810181edf948 EFLAGS: 00010002
Can you check where gart_map_sg+0x26c is at? Make sure you have
CONFIG_DEBUG_INFO defined, then do:
$ gdb vmlinux
$ l *gart_map_sg+0x26c
Thanks!
--
Jens Axboe
next prev parent reply other threads:[~2007-10-23 18:44 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-23 15:19 [BUG] 2.6.23-git18 Kernel oops in sg helpers Kamalesh Babulal
2007-10-23 18:44 ` Jens Axboe [this message]
2007-10-24 11:54 ` Andy Whitcroft
2007-10-24 12:25 ` Jens Axboe
2007-10-24 12:40 ` FUJITA Tomonori
2007-10-24 16:08 ` Kamalesh Babulal
2007-10-24 18:06 ` Jens Axboe
2007-10-24 22:09 ` FUJITA Tomonori
2007-10-25 5:34 ` Jens Axboe
2007-10-23 22:42 ` FUJITA Tomonori
2007-10-24 8:32 ` Jens Axboe
2007-10-24 8:50 ` Benny Halevy
2007-10-25 8:53 ` Benny Halevy
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=20071023184419.GD14671@kernel.dk \
--to=jens.axboe@oracle.com \
--cc=apw@shadowen.org \
--cc=kamalesh@linux.vnet.ibm.com \
--cc=linux-kernel@vger.kernel.org \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox