This is an old bug 595896 as much the same as this one. I sent a patch upstream at the time but it was not got merged then.
It's a good idea we work it out this time. @Marc Can you test: 1. without thinkpad_acpi module (rmmod thinkpad_acpi) 2. Oneiric with and without the thinkpad_acpi modue parameter enable=0 3. Natty with and without the thinkpad_acpi modue parameter enable=0 (I care less about Natty atm, but the bug is filed against it) 4. The driver at http://people.canonical.com/~lexical/bugs/lp848249/ (you may have to `make clean; make` and make sure to use `insmod` instead of `modprobe`) in each testing, please test the mute key and report: 1. if the led on the mute key lit 2. if you can hear the music playing from the internal speaker 3. if the OSD shows ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/848249 Title: [Thinkpad SL410] Mute key works after volume change To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/848249/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs