Hi, what is the guest that hangs in this so one could try reproduce? Virtual HW changes slightly with versions and implementations. The implementation can't be swicthed (I've seen cases where e.g. vga fixes break older guests but are required for security of the host) but you can try with 1:2.10+dfsg-0ubuntu3.5 to swicth the machine type. Set -M to one of the pc-q35-* types you can see with "kvm -M ?". Does an older one of them work (you -M q35 cmdline defaults to the latest).
** Changed in: qemu (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1754599 Title: qemu-system-x86_64 broken on ubuntu 17.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu/+bug/1754599/+subscriptions -- ubuntu-bugs mailing list firstname.lastname@example.org https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs