Public bug reported:
Even though #1291321 was supposed to fix this issue, I'm running into
live migration issues when attempting to move a VM from a Precise host
to a Trusty host. The VM is using the pc-1.0-qemu-kvm machine type as
required.
Process:
/usr/bin/kvm -name instance-## -S -machine pc-1.0-qemu-kvm,accel=kvm -cpu
kvm64,+lahf_lm,+rdtscp,+avx,+xsave,+aes,+tsc-deadline,+popcnt,+x2apic,+sse4.2,+sse4.1,+ssse3,+pclmuldq
-m 1024 -smp 1,sockets=1,cores=1,threads=1 -uuid XX -smbios
type=1,manufacturer=OpenStack Foundation,product=OpenStack
Nova,version=2013.1.5,serial=4c4c4544-0038-4810-804d-b6c04f515731,uuid=XX
-nodefconfig -nodefaults -chardev
socket,id=charmonitor,path=/var/lib/libvirt/qemu/instance-##.monitor,server,nowait
-mon chardev=charmonitor,id=monitor,mode=control -rtc
base=utc,clock=vm,driftfix=slew -no-kvm-pit-reinjection -no-hpet -no-shutdown
-device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 -drive
file=/var/lib/nova/instances/XX/disk,if=none,id=drive-virtio-disk0,format=qcow2,cache=none
-device
virtio-blk-pci,scsi=off,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1
-drive
file=/dev/disk/by-id/dm-uuid-mpath-3600144f07a6e924e000056950d010025,if=none,id=drive-virtio-disk1,format=raw,serial=
7903c916-8aba-4ea3-b38c-964d104cdada,cache=none -device
virtio-blk-pci,scsi=off,bus=pci.0,addr=0x5,drive=drive-virtio-disk1,id=virtio-disk1
-drive
file=/var/lib/nova/instances/XX/disk.config,if=none,id=drive-ide0-1-1,readonly=on,format=raw,cache=none
-device ide-cd,bus=ide.1,unit=1,drive=drive-ide0-1-1,id=ide0-1-1 -netdev
tap,fd=88,id=hostnet0,vhost=on,vhostfd=90 -device
virtio-net-pci,netdev=hostnet0,id=net0,mac=fa:16:3e:c8:14:90,bus=pci.0,addr=0x3
-chardev file,id=charserial0,path=/var/lib/nova/instances/XX/console.log
-device isa-serial,chardev=charserial0,id=serial0 -chardev pty,id=charserial1
-device isa-serial,chardev=charserial1,id=serial1 -device usb-tablet,id=input0
-vnc 0.0.0.0:53 -k en-us -vga cirrus -device
virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x6
Source version: 1.0+noroms-0ubuntu14.22
Target version: 2.0.0+dfsg-2ubuntu1.21
Error when migrating:
...
char device redirected to /dev/pts/3 (label charserial1)
Length mismatch: vga.vram: 1000000 in != 800000
qemu: warning: error while loading state for instance 0x0 of device 'ram'
load of migration failed
** Affects: qemu (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1536331
Title:
Precise to Trusty live migration failing
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