> do you think it because of my livemigration patch ? The whole thing is unstable now. Added another patch to tolerate up to 5 query-migrate failures: https://git.proxmox.com/?p=qemu-server.git;a=commitdiff;h=b0b756c14d58c3d84af41c7cd967cedddb32fd44 but it is still not reliable - got arbitrary hangs.