[linux-lvm] Snapshot segfaults lvremove + bug kernel

[Heinz Mauelshagen]

On Tue, May 09, 2006 at 07:15:25PM +0100, Robin Bowes wrote:
> Heinz Mauelshagen wrote:
> > 
> > this is a known issue with tearing down kcopyd jobs we're working on.
> > 
> 
> Heinz,
> 
> Do you have any idea when we might see a fix for this? Is the bug
> present in later versions?

A fix has been provided ~2 weeks ago to lkml and was tested ok.
It is in the recent stable kernels.

> 
> For example, I've got a box running FC4 that has this problem. If I
> upgrade to FC5 am I likely to still see the problem?

Yes.

> 
> Also, what's the best way to get rid of the snapshot volumes? I'm
> currently planning to boot from a recovery disk that supports lvm and
> run lvremove from there.

That or using a n actual stable kernel *should* work,
because tearing down kcopyd jobs dies with the bug under load.

> 
> Thanks for any suggestions/advice,
> 
> R.

Regards,
Heinz    -- The LVM Guy --

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Heinz Mauelshagen                                 Red Hat GmbH
Consulting Development Engineer                   Am Sonnenhang 11
Storage Development                               56242 Marienrachdorf
                                                  Germany
Mauelshagen at RedHat.com                            PHONE +49  171 7803392
                                                  FAX   +49 2626 924446
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