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
>
>
>
> _______________________________________________
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> linux-lvm@sistina.com
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> 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
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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
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