Cc Anthony and Stefano On Tue, Aug 02, 2016 at 11:58:05AM +0200, Olaf Hering wrote: > Doing a live migration of a HVM domU from staging-4.5 with its included > qemu-xen to staging-4.7 with qemu-xen from qemu.org (either master or > 2.6.0) fails: > > # cat /var/log/xen/qemu-dm-fv-x64-sles12sp1-clean--incoming.log > char device redirected to /dev/pts/4 (label serial0) > xen_ram_alloc: do not alloc f800000 bytes of ram at 0 when runstate is > INMIGRATE > xen_ram_alloc: do not alloc 800000 bytes of ram at f800000 when runstate is > INMIGRATE > xen_ram_alloc: do not alloc 10000 bytes of ram at 10000000 when runstate is > INMIGRATE > xen_ram_alloc: do not alloc 40000 bytes of ram at 10010000 when runstate is > INMIGRATE > VNC server running on 127.0.0.1:5900 > qemu-system-i386: Expected vmdescription section, but got 0 > > > 'xl vnc domU' on the receiver side just shows "guest has not initialized > display yet". For some reason the domU is still alive, 'vmstat 1' via > ssh keeps running. > > 'xl shutdown domU' fails. It looks like the guest OS shuts down, the ssh > connection gets terminated, but the domU becomes busy according to 'xl > top', and never shuts down. > > domU.cfg looks like this: > name="fv-x64-sles12sp1-clean" > memory=256 > serial="pty" > builder="hvm" > boot="cd" > disk=[ > 'file:/disk0.raw,hda,w', > 'file:/DVD1.iso,hdc:cdrom,r', > ] > vif=[ > 'bridge=br0' > ] > keymap="de" > vfb = [ > 'type=vnc,vncunused=1,keymap=de' > ] > > usb=1 > usbdevice='tablet' > device_model_override="/root/dm.sh" > > > The override is to make sure to use qemu-xen as included in xen-4.5 on > the sending side and qemu.git on the receiving side. > > Olaf
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