Had same frozen display problem with Ubuntu, most times coincident with a very busy video adapter (MVP, Gimp, GMaps..) Hardware: Laptop Acer Aspire 5735Z Ubuntu 18.10 Linux 4.18.0-13-generic
Workaround: sudo nano /usr/share/X11/xorg.conf.d/20-intel.conf ...add Section "Device" Identifier "Intel Graphics" Driver "intel" Option "AccelMethod" "sna" Option "TearFree" "true" Option "DRI" "3" EndSection Result: Still ok after several hours and tasks. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1798961 Title: Random unrecoverable freezes on Ubuntu 18.10 To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1798961/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs