I think it's duplicate for https://bugs.launchpad.net/bugs/65028
Try the solution with relinking /bin/sh to /bin/bash. It solved the problem for me ;) -- In Feisty Power Manager cannot control brightness on an sony vaio https://bugs.launchpad.net/bugs/92478 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