Re: [ kvm-Bugs-1850911 ] qemu-img -c not working

[Dor Laor <dor.laor-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

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SourceForge.net wrote:
> Bugs item #1850911, was opened at 2007-12-14 12:10
> Message generated for change (Tracker Item Submitted) made by Item Submitter
> You can respond by visiting: 
> https://sourceforge.net/tracker/?func=detail&atid=893831&aid=1850911&group_id=180599
>
> Please note that this message will contain a full copy of the comment thread,
> including the initial issue submission, for this request,
> not just the latest update.
> Category: qemu
> Group: None
> Status: Open
> Resolution: None
> Priority: 5
> Private: No
> Submitted By: Olivier Paquet (euzeka)
> Assigned to: Nobody/Anonymous (nobody)
> Summary: qemu-img -c not working
>
> Initial Comment:
> With kvm-56, running:
>   
>> qemu-img convert -c winxp64.img -O qcow2 test.img
>>     
> qemu-img: Alternative compatibility level not supported for this file format
>
>   
-c is for compressed target source image. Naturally, .img file is not 
compressed.
Did you wanted to compress the destination?

Anyway qemu is the right place for these type of bugs.
Thanks,
Dor.
> Looking at the source of qemu-img.c, there is an obvious bug at line 474 (if the usage text is to be trusted):
>
> if (flags & BLOCK_FLAG_COMPRESS && drv != &bdrv_vmdk)
>     error("Alternative compatibility level not supported for this file format");
>
> This should probably be BLOCK_FLAG_COMPAT6.
>
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