I can see memory-related oopses happening in the core kernel, not related to graphics. But it is occurring in the gnome-shell process so it makes sense you would experience a freeze.
The most likely explanation for that is faulty RAM. You should try running one of these overnight to see if there are any problems with the RAM: https://www.memtest.org/ https://www.memtest86.com/ ** Package changed: ubuntu => linux (Ubuntu) ** Summary changed: - display freeze + System freeze, kernel oops in mm_get_unmapped_area_vmflags -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2124229 Title: System freeze, kernel oops in mm_get_unmapped_area_vmflags To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2124229/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
