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Re: [Libguestfs] Possible bug in preview version of virt-v2v

On Mon, Sep 22, 2014 at 03:02:32PM +0000, Jeff Forbes wrote:
> Hi,
> I have been testing:
> virt-v2v preview packages for RHEL and CentOS 7.1<http://rwmj.wordpress.com/2014/09/17/virt-v2v-preview-packages-for-rhel-and-centos-7-1-are-available/>
> and have been able to almost get it to work. There seems to be a bug where the software tries to mount a disk partition as /sysroot. An attempt is made to make /dev/sda2 as sysroot; however, the root partition is an LVM partition (/dev/mapper/centos-root). An error is given when an attempt is made to cop the virtio drivers to the VM: (a snippet of the verbose debug log)
> cp /sysroot/usr/share/virtio-win/drivers/amd64/Win2012R2/viostor.sys /sysroot/Wi
> ndows/System32/drivers/viostor.sys
> cp: cannot stat '/sysroot/usr/share/virtio-win/drivers/amd64/Win2012R2/viostor.s
> ys': No such file or directory
> guestfsd: error: cp: cannot stat '/sysroot/usr/share/virtio-win/drivers/amd64/Wi
> n2012R2/viostor.sys': No such file or directory
> guestfsd: main_loop: proc 87 (cp) took 0.06 seconds
> libguestfs: trace: cp = -1 (error)
> libguestfs: trace: hivex_close
> guestfsd: main_loop: new request, len 0x28
> hivex: hivex_close: hivex_close
> libguestfs: trace: hivex_close = 0
> virt-v2v: error: libguestfs error: cp: cp: cannot stat
> '/sysroot/usr/share/virtio-win/drivers/amd64/Win2012R2/viostor.sys': No
> such file or directory
> I have attached the entire output of the verbose debugging log.

Oh yes, I love untested code paths :-(

I think the following commit will fix it:


(in virt-v2v >= 1.27.51)

As you may have gathered, the Windows conversion paths are not very
well exercised at the moment.  We're concentrating on Linux
conversions in our testing first.

Thanks, Rich.

Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming and virtualization blog: http://rwmj.wordpress.com
virt-builder quickly builds VMs from scratch

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