More logging. This is from the 32Bit kernel. I switched over because it happens way less frequently.
ThinkPad-Edge-E220s kernel: [ 36.773814] thinkpad_acpi: unhandled HKEY event 0x6050 Apr 29 02:14:11 ThinkPad-Edge-E220s kernel: [ 36.773816] thinkpad_acpi: please report the conditions when this event happened to [email protected] Apr 29 02:14:11 ThinkPad-Edge-E220s kernel: [ 37.006824] thinkpad_acpi: unknown possible thermal alarm or keyboard event received -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/990938 Title: Ubuntu 12.04 AMD64/x86: [Lenovo Thinkpad Edge E220s] Hitting the Brightness Keys Causes the System to Hang To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/990938/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
