I've tested smoe more cmbinations and found that I van have v4.2 work on focal. Eventually I have realized that when I install start the qemu from Ubuntu not only that but also the formerly working build of v4.2.0 from git start to fail (without rebuilding).
A bit of package bisect later I found seabios to be related. Focal is at 1.13.0-1 Eoan is at 1.12.0-1 After I knew that I verified and found it really only triggers on seabios 1.13.0. With 1.13 I was also able to break the qemu v4.0.0 git build on eoan. As well as the packaged qemu in Eoan. So it seems we are actually looking for a problem of seabios (instead of qemu) with the Penryn chip. I'll look at their changelog and bisect that tomorrow as time permits -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1866870 Title: KVM Guest pauses after upgrade to Ubuntu 20.04 To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1866870/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
