This and its proposed duplicates sound similar to bug #285323, while there its not the volume control but brightness. The symptoms are the same, though as on my machine.
-- Volume control wheel on laptop is sticking in ubuntu https://bugs.launchpad.net/bugs/271706 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
