Finally, I found a related bug for the "kerneloops" project: https://bugs.launchpad.net/ubuntu/+source/kerneloops/+bug/346303
I consider this the most important place to address the issue. The kerneloops utility is taking a harmless warning and reporting it to the user as a "serious error" that may cause system instability or a restart. That problem could affect any number of cases like this one. -- thinkpad_acpi: WARNING: sysfs attribute hotkey_enable is deprecated and will be removed. Hotkey reporting is always enabled https://bugs.launchpad.net/bugs/430361 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs