Ubuntu
acpi package

  1. Bug #1088392
  2. Comment #4

Comment 4 for bug 1088392

Revision history for this message
Nick Doylend (ndoylend-x) wrote :

This appears to be the same problem (affecting 13.04):
https://mail.gnome.org/archives/gnome-shell-list/2013-May/msg00121.html

It affects my install of 12.04 LTS.