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

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?

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:

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(a)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