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Re: [Qemu-discuss] qemu-img convert stuck

From: David Lee
Subject: Re: [Qemu-discuss] qemu-img convert stuck
Date: Wed, 18 Apr 2018 20:23:00 +0800

On Wed, Apr 18, 2018 at 4:44 PM, Fam Zheng <address@hidden> wrote:
> qemu-img hangs because the convert_iteration_sectors loop cannot make any
> progress when it reaches the end of the base image. It is a bug (implicitly?)
> fixed by Eric Blake (Cc'ed) 's BDRV_BLOCK_EOF patches on upstream, backporting
> them to the above downstream version fixes the problem for me:
> commit c61e684e44272f2acb2bef34cf2aa234582a73a9
> Author: Eric Blake <address@hidden>
>     block: Exploit BDRV_BLOCK_EOF for larger zero blocks
> commit fb0d8654ffc3ea1494067327fc4c4da5d0872724
> Author: Eric Blake <address@hidden>
>     block: Add BDRV_BLOCK_EOF to bdrv_get_block_status()
> Fam


Thanks for the info.

Li Qun

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