I have same problem. i update to 22.04 from 20.04. i update kernel to 5.15.0-25-generic, still having problem
my computer is thinkpad t480s, connect to external monitor by type-c or thunderbolt 3, both have this kind of problem -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1967727 Title: Random screen blanks with "CPU pipe B FIFO underrun" error To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1967727/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs