The upstream discussion helped to eliminate migration as well as networking from the equation. It seems the new virt-ssh-helper mode is just rather slow and thereby stalling/hanging.
Here are logs of: virsh -c qemu+ssh://127.0.0.1/system?proxy=netcat vol-download --pool uvtool h-migr-test.qcow testfile => ~150-220MB/s vs virsh -c qemu+ssh://127.0.0.1/system?proxy=native vol-download --pool uvtool h-migr-test.qcow testfile => 5 MB/s degrading to ~200 KB/s and less Attaching logs Taken with these configs: log_filters="1:qemu 1:libvirt 3:object 3:json 3:event 1:util" log_outputs="1:file:/var/log/libvirtd.log" -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1904584 Title: libvirt 6.8 / qemu 5.1 - --p2p --tunnelled is hanging To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1904584/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
