[Libguestfs] failure to virt-sysprep (FC27?)

[Yaniv Kaul]

On Thu, Nov 23, 2017 at 10:57 AM, Richard W.M. Jones <rjones at redhat.com>
wrote:

> On Tue, Nov 21, 2017 at 11:43:54PM +0200, Yaniv Kaul wrote:
> > Since I upgrading to FC27, I *sometimes* fail to virt-sysprep.
> > The debug messages:
> > libguestfs: trace: set_verbose true
> > libguestfs: trace: set_verbose = 0
> > libguestfs: create: flags = 0, handle = 0x7f4600005dd0, program = python2
> > libguestfs: trace: set_program "lago"
> > libguestfs: trace: set_program = 0
> > libguestfs: trace: add_drive_ro
> > "/home/ykaul/ovirt-system-tests/deployment-basic-suite-
> master/default/images/lago-basic-suite-master-host-0_root.qcow2"
> > libguestfs: trace: add_drive
> > "/home/ykaul/ovirt-system-tests/deployment-basic-suite-
> master/default/images/lago-basic-suite-master-host-0_root.qcow2"
> > "readonly:true"
> > libguestfs: creating COW overlay to protect original drive content
> > libguestfs: trace: disk_format
> > "/home/ykaul/ovirt-system-tests/deployment-basic-suite-
> master/default/images/lago-basic-suite-master-host-0_root.qcow2"
> > libguestfs: command: run: qemu-img
> > libguestfs: command: run: \ info
> > libguestfs: command: run: \ --output json
> > libguestfs: command: run: \ /dev/fd/7
> > qemu-img: Could not open '/dev/fd/7': Failed to get shared "write" lock
> > Is another process using the image?
>
> Is something else using the lago-basic-suite-master-host-0_root.qcow2
> image at the same time?
>

Not that I know of...


>
> I'm not clear if the backend is libvirt or direct.  For libvirt we
> don't have a solution to this yet, although there is a patch series
> you can try:
>

I think we use direct by default.
Y.


>
> https://www.redhat.com/archives/libvir-list/2017-November/msg00617.html
>
> Rich.
>
> > libguestfs: trace: disk_format = NULL (error)
> > libguestfs: trace: add_drive = -1 (error)
> > libguestfs: trace: add_drive_ro = -1 (error)
> >
> >
> > Any ideas?
> > TIA,
> > Y.
>
> > _______________________________________________
> > Libguestfs mailing list
> > Libguestfs at redhat.com
> > https://www.redhat.com/mailman/listinfo/libguestfs
>
>
> --
> Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~
> rjones
> Read my programming and virtualization blog: http://rwmj.wordpress.com
> libguestfs lets you edit virtual machines.  Supports shell scripting,
> bindings from many languages.  http://libguestfs.org
>
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