This is probably a limitation of the emulated "cirrus" driver on the guest. Upstream is planning to move to emulating a better chip eventually. Could you post a /var/log/Xorg.0.log from your guest?
** Changed in: libvirt (Ubuntu) Status: New => Incomplete -- libvirt: fullscreen broken when guest and host have same resolution https://bugs.launchpad.net/bugs/193456 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs