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Date: Fri, 02 Mar 2007 11:58:44 +0000
From: "Bryn M. Reeves" <breeves@redhat.com>
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Subject: Re: [linux-lvm] moving logical volumes to another system *remotely*
	-	how?
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Tomasz Chmielewski wrote:
> The kernel oopsed after I created a snapshot, made it full
> (invalidated), and tried to remove it.
> The kernel I used was 2.6.17.8 running on Debian-ARM:
> 

<snip>

> # dmesg
> Unable to handle kernel paging request at virtual address 31376632
> pgd = 8cce8000
> [31376632] *pgd=00000000
> Internal error: Oops: f3 [#1]
> Modules linked in: iscsi_trgt bonding dm_snapshot dm_mirror loop
> CPU: 0

<snip>

> [<7f00bba0>] (exit_exception_table+0x0/0x70 [dm_snapshot]) from
> [<7f00bcb0>] (snapshot_dtr+0xa0/0xf4 [dm_snapshot])
> [<7f00bc10>] (snapshot_dtr+0x0/0xf4 [dm_snapshot]) from [<8016791c>]
> (dm_table_put+0x80/0xe4)

This is a known issue in older kernels that was fixed upstream in
2.6.19. See:

http://www.uwsg.iu.edu/hypermail/linux/kernel/0612.1/2301.html
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=204791

Kind regards,

Bryn.

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