following https://wiki.ubuntu.com/LaptopTestingTeam/HotkeyResearch
please note the following additional info (which I hope could help): (from tty after sudo /etc/init.d/hotkey-setup stop sudo showkey -u | tee -a hotkey-log.txt fn-f4 produces) 0xe0 0x56 0xe0 0xd6 sudo dmidecode -s system-manufacturer Hewlett-Packard sudo dmidecode -s system-product-name pavilion ze2000(ps731ea#abt) sudo dmidecode -s system-version Rev 1 -- system crash upon FN-F4 press https://bugs.launchpad.net/bugs/159916 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