From: NeilBrown <neilb@suse.de>
To: Robert Goliasz <r.goliasz@digital-science.com>
Cc: linux-raid@vger.kernel.org
Subject: Re: Attempt to change raid1 to raid0 results in division error in kernel
Date: Fri, 24 May 2013 21:27:03 +1000 [thread overview]
Message-ID: <20130524212703.25af11fb@notabene.brown> (raw)
In-Reply-To: <20130523104400.GA827@gbl-macbook>
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On Thu, 23 May 2013 11:44:00 +0100 Robert Goliasz
<r.goliasz@digital-science.com> wrote:
> Hi,
>
> When attempting to change raid level from 1 to 0 (I was doing some testing
> trying to convert a raid1 array to a raid10 one), I got a division error.
>
> I'm on Debian sid, output of uname -a is:
>
> Linux gbl-macbook 3.2.0-4-amd64 #1 SMP Debian 3.2.35-2 x86_64 GNU/Linux
....
> I attempted to run this:
>
> gbl-macbook# mdadm --grow /dev/md0 -l 0
> zsh: segmentation fault mdadm --grow /dev/md0 -l 0
> gbl-macbook#
>
> All my terminals have shown the following alert:
>
> Message from syslogd@gbl-macbook at May 23 11:26:11 ...
> kernel:[569106.802042] divide error: 0000 [#1] SMP
Fixed by commit 24b961f811a3e790a9b93604d25 which is in linux-3.4
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=24b961f811a3e790a9b93604d25
NeilBrown
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prev parent reply other threads:[~2013-05-24 11:27 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-23 10:44 Attempt to change raid1 to raid0 results in division error in kernel Robert Goliasz
2013-05-24 1:40 ` Stan Hoeppner
2013-05-24 9:39 ` Robert Goliasz
2013-05-24 11:27 ` NeilBrown [this message]
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