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Re: [Qemu-devel] [Bug 611640] [NEW] snapshot mode is broken for raw imag
From: |
Markus Armbruster |
Subject: |
Re: [Qemu-devel] [Bug 611640] [NEW] snapshot mode is broken for raw images |
Date: |
Mon, 02 Aug 2010 10:13:31 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux) |
Victor Shkamerda <address@hidden> writes:
> Public bug reported:
>
> The snapshot mode is not working if you use raw format for image instead
> of qcow2. Create a raw disk image by running "dd of=xxx.img bs=1 count=0
> seek=8G". Then run "qemu -snapshot xxx.img". In monitor console run
> "info block". There should be qcow2 temporary image backed by the raw
> image. Now run "commit ide0-hd0" and after that again "info block". You
> should see now that there is no more image, so any operations on it will
> fail form now on. This is for latest HEAD in git.
>
> ** Affects: qemu
> Importance: Undecided
> Status: New
git bisect points to
commit c33491978c5c4c746cc0272d5f2df50aa14d1f02
Author: Kevin Wolf <address@hidden>
Date: Thu May 6 16:34:56 2010 +0200
block: Fix bdrv_commit
When reopening the image, don't guess the driver, but use the same driver as
was used before. This is important if the format=... option was used for
that
image.
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