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Re: [Qemu-devel] [PATCH v2] qemu-img fails to delete last snapshot

From: Kevin Wolf
Subject: Re: [Qemu-devel] [PATCH v2] qemu-img fails to delete last snapshot
Date: Thu, 15 May 2014 15:26:12 +0200
User-agent: Mutt/1.5.21 (2010-09-15)

Am 15.05.2014 um 15:07 hat Mike Day geschrieben:
> On Wed, May 14, 2014 at 11:15 AM, Kevin Wolf <address@hidden> wrote:
> >> freeing the extra clusters.
> >
> > Do you have an easy reproducer? Because I can't see the bug.
> Thanks for the review! I was having a hard time reproducing this until
> I did a bisect. This bug was fixed by 65f33bc which was merged at or
> after  the time I submitted the patch:
>  qcow2: Fix alloc_clusters_noref() overflow detection
> I can reproduce the bug by checking out the immediate ancestor
> 43cbeffb1, creating a single snapshot in a qcow2 image, and then
> attempting to delete that snapshot.
> The error I get is:
> qemu-img: Could not delete snapshot 'snapone': (Failed to remove
> snapshot from snapshot list: File too large)
> This is the error that is fixed by 65f33bc

Yes, that makes sense. Thanks Mike. I think we can disregard your patch
then and consider the problem fixed.


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