i add kernel param 'intel_iommu=on,igfx_off' three days ago, until now everything is fine
-- 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