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Re: [Qemu-devel] qemu-img: unable to convert raw image > 2GB with git ma
From: |
Fam Zheng |
Subject: |
Re: [Qemu-devel] qemu-img: unable to convert raw image > 2GB with git master |
Date: |
Fri, 12 Sep 2014 17:35:13 +0800 |
User-agent: |
Mutt/1.5.23 (2014-03-12) |
On Fri, 09/12 09:57, Mark Cave-Ayland wrote:
> Hi all,
>
> I've been trying to convert a raw disk partition from my laptop for use on
> VMWare player and I'm seeing the following error from qemu-img git master
> during conversion:
>
> # qemu-img convert -f raw -O vmdk /dev/mapper/vm-raw out.vmdk
> qemu-img: error while writing sector 4247552: Invalid argument
>
> A quick glance at the resulting output file makes me thing that an
> artificial 2GB limit has accidentally been introduced:
>
> # ls -l | grep out.vmdk
> -rw-r--r-- 1 root root 2147483648 Sep 12 09:49 out.vmdk
>
> Can anyone else reproduce this? The input /dev/mapper/vm-raw is simply a raw
> 4GB LVM partition on my local disk which is mapped through as a standard
> hard disk into QEMU.
>
Yes, I can reproduce it easily:
$ ~/build/master/qemu-io /stor/vm/arch.vmdk -c 'write 2G 1k'
write failed: Invalid argument
This is a regression, I'll send a patch to fix it shortly.
Thanks,
Fam