Looking at /var/log/Xorg.1.log I found this line xf86OpenConsole: VT_WAITACTIVE failed: Interrupted system call
Following a workaround in this bug https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/441653 I added "sleep 1" line in /etc/init/gdm.conf Seems to solve the problem -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/767371 Title: Xorg freeze when display sleeps -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
