My debian stretch was freezing several times a day. After disabling NoAccel and DRI I had no more freezes.
$ cat /etc/X11/xorg.conf.d/20-intel.conf Section "Device" Identifier "Intel Graphics" Driver "intel" Option "NoAccel" "True" Option "DRI" "False" EndSection $ uname -r 4.2.0-1-amd64 Other ressources: https://wiki.archlinux.org/index.php/Intel_graphics#X_freeze.2Fcrash_with_intel_driver -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1453298 Title: 8086:0f31 Xubuntu freeze once a day To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-video-intel/+bug/1453298/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs