[Bug 292587] [NEW] Reboot fails with virtio disks

[Launchpad Bug Tracker]

You have been subscribed to a public bug by Philipp Kern (pkern):

Binary package hint: kvm

When rebooting a guest with virtio disks either by sending it Ctrl-Alt-
Del in virt-manager or issuing a reboot from within the guest itself,
the guest fails to find the disk on next boot. The error in the guest's
console is:

Booting from Hard Disk... Boot from Hard Disk failed: could not read boot disk ...
FATAL: No bootable device

Destroying the guest and starting it again restores the guest to
operation. If the type of disk is changed from "virtio" to "ide" then
the reboot works without issue.

This thread from the linux-kvm list seems to explain the problem also:
http://kerneltrap.org/mailarchive/linux-kvm/2008/8/29/3131254/thread

speedster at whimper:~$ apt-cache policy kvm
kvm:
  Installed: 1:72+dfsg-1ubuntu6
  Candidate: 1:72+dfsg-1ubuntu6
  Version table:
 *** 1:72+dfsg-1ubuntu6 0
        500 http://mirror.3fl.net.au intrepid/main Packages
        100 /var/lib/dpkg/status


Steps to reproduce:
1. Boot a guest that has been configured with virtio model disks
2. Reboot the guest
3. Change to ide model disks and boot/reboot. This should work fine.

** Affects: kvm (Ubuntu)
     Importance: Undecided
         Status: Fix Released

** Affects: kvm (Debian)
     Importance: Unknown
         Status: Unknown

-- 
Reboot fails with virtio disks
https://bugs.edge.launchpad.net/bugs/292587
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