The workaround is to disable sna. Create the file /etc/X11/xorg.conf.d/20-intel.conf
with the following content: Section "Device" Identifier "Card0" Driver "Intel" Option "AccelMethod" "uxa" EndSection -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1510998 Title: Xorg crashes with segfault on 15.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1510998/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs