From: "Heinz J . Mauelshagen" <mauelshagen@sistina.com>
To: linux-lvm@sistina.com
Subject: Re: [linux-lvm] Oops when running snapshots
Date: Thu Jul 10 04:34:01 2003 [thread overview]
Message-ID: <20030710113223.D23240@sistina.com> (raw)
In-Reply-To: <1057789596.1368.28.camel@lvadplx>; from andrew@fc.hp.com on Wed, Jul 09, 2003 at 04:26:36PM -0600
On Wed, Jul 09, 2003 at 04:26:36PM -0600, Andrew Patterson wrote:
> Ran a load test last night where we created snapshots two snapshots
> every 2 hours under heavy file system load. We got the following oops:
>
>
> Unable to handle kernel NULL pointer dereference at virtual address
> 00000000
> 802895f5
<SNIP>
> 11: 89 48 04 mov %ecx,0x4(%eax)
>
>
> 10 warnings issued. Results may not be reliable.
>
> This was run on a 2.4.21 system using LVM 1.0.7. The system has 2GB of
> memory and is configured with HIGHME64G. We are running the latest
> 2.4.21 XFS and are using xfs_freeze to quiesce the file system. We are
> not using the VFS_LOCK patch.
>
> Anyone have any ideas what may be causing this?
VM problems ? (we had some reports ITR)
Do you have a chance to retest without HIGHMEM to see if it still fails ?
>
> Thanks,
>
> Andrew
>
> --
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
> Andrew Patterson Voice: (970) 898-3261
> Hewlett-Packard Company Email: andrew@fc.hp.com
>
>
>
> _______________________________________________
> linux-lvm mailing list
> linux-lvm@sistina.com
> http://lists.sistina.com/mailman/listinfo/linux-lvm
> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
--
Regards,
Heinz -- The LVM Guy --
*** Software bugs are stupid.
Nevertheless it needs not so stupid people to solve them ***
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Heinz Mauelshagen Sistina Software Inc.
Senior Consultant/Developer Am Sonnenhang 11
56242 Marienrachdorf
Germany
Mauelshagen@Sistina.com +49 2626 141200
FAX 924446
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
next prev parent reply other threads:[~2003-07-10 4:34 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-09 17:27 [linux-lvm] Oops when running snapshots Andrew Patterson
2003-07-10 4:34 ` Heinz J . Mauelshagen [this message]
2003-07-10 12:28 ` Andrew Patterson
2003-08-15 17:16 ` Andrew Patterson
-- strict thread matches above, loose matches on Subject: below --
2004-01-05 4:36 Steve McIntyre
2004-01-12 9:36 ` Steve McIntyre
2004-01-14 8:37 ` Andrew Patterson
2004-01-21 5:35 ` Steve McIntyre
2004-01-12 10:27 Little, Chris
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=20030710113223.D23240@sistina.com \
--to=mauelshagen@sistina.com \
--cc=linux-lvm@sistina.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.