[libvirt] libvirt-0.9.1 to 0.9.3-r1: managedsave/save won't start/restore at saved state

Eric Blake eblake at redhat.com
Wed Jul 27 16:33:01 UTC 2011

On 07/27/2011 02:37 AM, Nicolas Sebrecht wrote:
> I'm seeing strange behaviour, here.  Any guests saved using both
> managedsave and save commands from virsh won't restore at saved state. A
> new full boot sequence happen.
> - Tested against libvirt v0.9.1, v0.9.2, v0.9.3-r1 (Gentoo)
> - Confirmed on three different hosts Gentoo amd64 systems.
> - Tested with gentoo and ubuntu guests.
> - Nothing relevant in /var/log/libvirt/libvirt.log or
> /var/log/libvirt/qemu/<dom>.log
> The "state file" /var/lib/libvirt/qemu/save/<dom>.save exists and is
> deleted when 'virsh start' is called.
> The new boot sequence is confirmed by :
> - VNC console checks
> - previous screen sessions lost
> - uptime
> I've open a bug at https://bugs.gentoo.org/show_bug.cgi?id=376333 but
> had no answer.
> Any idea on what could happen or how to inspect it?

Does /var/log/libvirt/qemu/<dom>.log show the qemu process getting 
started with the -incoming fd:nnn flag?  While you claim that nothing 
appeared to be relevant in that log, it might actually help to post a 
few lines of it for confirmation.

It's working for me with libvirt 0.9.3 on RHEL 6, so I'm not sure what 
to suggest that you try next.

Eric Blake   eblake at redhat.com    +1-801-349-2682
Libvirt virtualization library http://libvirt.org

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