Live Migration fails Windows 2008 64bit

Hi all,

we're running 2 Dell PowerEdge 1950 on Gentoo. The Migration of Windows 2008 Server fails, first the source Qemu-Monitor says migration complete. After that the destination VNC Screen screw up. Then you can see that Windows reboot.

CPU: Intel(R) Xeon(R) E5335 @ 2.00GHz
KVM-Version: 85
Host1-Kernel: 2.6.28-r7 x86_64
Host2-Kernel: 2.6.29-r1 x86_64

Migration works on:

- Windows XP Pro 32bit
- Windows 2003 SP1 Enterprise 32bit
- Windows 2008 Standard 32bit

Migration failed:

- Windows 2008 Standard 64bit

Commandline:

kvm -hda /dev/sdc -m 1000 -net nic,vlan=0,macaddr=22:74:82:70:30:30,model=rtl8139 -net tap,vlan=0,ifname=tap-test,script=no,downscript=no -virtioconsole none -k de -vnc :10 (source) kvm -hda /dev/sdc -m 1000 -net nic,vlan=0,macaddr=22:74:82:70:30:30,model=rtl8139 -net tap,vlan=0,ifname=tap-test,script=no,downscript=no -virtioconsole none -k de -vnc :10 -incoming tcp:0:4444 (destination)

Migration over Qemu-Monitor:

migrate -d tcp:172.20.0.10:4444

You can reproduce it with the trial version of Windows 2008 64bit from microsoft.com .

Thanks in advance, and for KVM in general :)