The lid butto is recognized again and therefore the bug has been solved in saucy, although it takes 2 times to revive the system.
Kernel: 3.11.0-12-generic x86_64 Output: $ acpi_listen button/lid C238 00000080 00000002 video C083 00000080 00000000 thermal_zone TZ1 00000081 00000000 thermal_zone TZ2 00000081 00000000 thermal_zone TZ0 00000081 00000000 thermal_zone TZ3 00000081 00000000 ** Changed in: linux (Ubuntu) Status: Incomplete => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1041270 Title: /proc/acpi/button/lid/*/state always says "open" again in 12.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1041270/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs