Thank you for your bug report. This sounds very similar to Bug #109643 ...
-- Frequent hard lockups with white screen https://bugs.launchpad.net/bugs/109810 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
