It looks like the kernel is running out of memory so freezes are expected. Please try running without all those chrome and opera tabs open and see if the problem reoccurs.
If you can't add more physical RAM then consider adding a swapfile to the system: https://help.ubuntu.com/community/SwapFaq You may also want to consider reinstalling the OS with a large swap partition enabled. ** Package changed: xorg-server (Ubuntu) => linux (Ubuntu) ** Changed in: linux (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1803353 Title: Display freezes (possible i915 freeze/hang) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1803353/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
