Public bug reported: Binary package hint: qemu-kvm
kvm no longer booted domains based on overlay disk images: $ kvm-img create -f qcow2 /srv/vm_disks/dev20/disk0.qcow2 8192M Formatting '/srv/vm_disks/dev20/disk0.qcow2', fmt=qcow2 size=8589934592 encryption=off cluster_size=0 $ kvm-img create -f qcow2 -b /srv/vm_disks/dev20/disk0.qcow2 /srv/vm_disks/dev20/disk0_snapshot.ovl Formatting '/srv/vm_disks/dev20/disk0_snapshot.ovl', fmt=qcow2 size=8589934592 backing_file='/srv/vm_disks/dev20/disk0.qcow2' encryption=off cluster_size=0 $ virt-install --connect qemu:///system --name dev20 --ram 512 --arch x86_64 --vcpus 2 --check-cpu --file /srv/vm_disks/dev20/disk0_snapshot.ovl --nonsparse --network network:default --vnc --noautoconsole --hvm --accelerate --cdrom /home/dferguson/Disk_Images/debian-40r7-amd64-netinst.iso --os-type linux --os-variant debianEtch Starting install... internal error unable to start guest: qemu: could not open disk image /srv/vm_disks/dev20/disk0_snapshot.ovl Domain installation may not have been successful. If it was, you can restart your domain by running 'virsh start dev20'; otherwise, please restart your installation. ERROR internal error unable to start guest: qemu: could not open disk image /srv/vm_disks/dev20/disk0_snapshot.ovl Traceback (most recent call last): File "/usr/bin/virt-install", line 780, in <module> main() File "/usr/bin/virt-install", line 678, in main start_time, guest.start_install) File "/usr/bin/virt-install", line 733, in do_install dom = install_func(conscb, progresscb, wait=(not wait)) File "/usr/lib/python2.6/dist-packages/virtinst/Guest.py", line 541, in start_install return self._do_install(consolecb, meter, removeOld, wait) File "/usr/lib/python2.6/dist-packages/virtinst/Guest.py", line 633, in _do_install self.domain = self.conn.createLinux(install_xml, 0) File "/usr/lib/python2.6/dist-packages/libvirt.py", line 1077, in createLinux if ret is None:raise libvirtError('virDomainCreateLinux() failed', conn=self) libvirtError: internal error unable to start guest: qemu: could not open disk image /srv/vm_disks/dev20/disk0_snapshot.ovl $ ls -la /srv/vm_disks/dev20/disk0_snapshot.ovl -rw-r--r-- 1 dferguson dferguson 262144 2009-11-30 09:28 /srv/vm_disks/dev20/disk0_snapshot.ovl $ file /srv/vm_disks/dev20/disk0_snapshot.ovl /srv/vm_disks/dev20/disk0_snapshot.ovl: Qemu Image, Format: Qcow , Version: 2 $ kvm-img info /srv/vm_disks/dev20/disk0_snapshot.ovl image: /srv/vm_disks/dev20/disk0_snapshot.ovl file format: qcow2 virtual size: 8.0G (8589934592 bytes) disk size: 131K cluster_size: 65536 backing file: /srv/vm_disks/dev20/disk0.qcow2 (actual path: /srv/vm_disks/dev20/disk0.qcow2) $ apt-cache policy qemu-kvm qemu-kvm: Installed: 0.11.0-0ubuntu6.3 Candidate: 0.11.0-0ubuntu6.3 Version table: *** 0.11.0-0ubuntu6.3 0 500 http://gb.archive.ubuntu.com karmic-updates/main Packages 100 /var/lib/dpkg/status 0.11.0-0ubuntu6 0 500 http://gb.archive.ubuntu.com karmic/main Packages $ lsb_release -rd Description: Ubuntu 9.10 Release: 9.10 This was fine when running Intrepid - happened immediately on upgrading to Karmic. I see the same error on creating a new vm or trying to boot a vm that worked without issue prior to the upgrade. ** Affects: qemu-kvm (Ubuntu) Importance: Undecided Status: New -- kvm wont boot off a qcow2 overlay disk image https://bugs.launchpad.net/bugs/490264 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs