I think this is related to the Bug #148408 the same is happenning here on X24 with same ati card
-- ACPI vs Radeon M6: Thinkpad X23 suspend issue https://bugs.launchpad.net/bugs/182189 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