On Fri, Oct 30, 2020 at 12:02:18PM +0800, Antti Antinoja wrote: > Hi All, > > I couldn't find any mention about live migration incompatibility between 5.0 > and 5.1 in the release notes but at least on our AMD based platform live > migration from 5.0 to 5.1 is not possible. > > The upgraded host had identical versions with it's pair before the upgrade > was started: > * qemu 5.0.0-r2 > * kernel 5.7.17 > > After upgrade: > * qemu 5.1.0-r1 > * kernel 5.8.16 > > After reverting qemu back to 5.0.0-r2 migration worked normally. > > On the sending end "info migrate" shows: > (qemu) info migrate > info migrate > globals: > store-global-state: on > only-migratable: off > send-configuration: on > send-section-footer: on > decompress-error-check: on > clear-bitmap-shift: 18 > Migration status: failed (Unable to write to socket: Broken pipe) > total time: 0 milliseconds > > At least once the receiving end died (while running 5.1.0-r1). All attempts > resulted a "Broken pipe" error on the sending (5.0.0-r2) end.
You'll need to provide more information, most importantly how are you launching QEMU - if manually, what CLI args are you giving it. Regards, Daniel -- |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o- https://fstop138.berrange.com :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|
