The workaround given by Michael Backhaus (mb4ckhaus) also worked for me (running Ubuntu 12.10 on ThinkPad T500).
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-power-manager in Ubuntu. https://bugs.launchpad.net/bugs/863834 Title: [regression] Suspend on lid close broken on Oneiric Status in “gnome-power-manager” package in Ubuntu: Confirmed Status in “upower” package in Ubuntu: Confirmed Bug description: With Oneiric, I cannot have my laptop go into suspend mode by closing the lid anymore. In the gnome settings, the lid close action is configured to suspend (both on AC and on battery), but closing the lid does nothing. Here is the output of "acpid -d" when I close the lid: No protocol specified xset: unable to open display ":0" And here it what it says when I open the lid: Sessions still open, not unmounting Here is the output of acpi_listen when I close/open the lid: button/lid LID0 00000080 00000009 button/lid LID0 00000080 0000000a Here is what /proc/acpi says with the lid open and closed: gpothier@tadzim:~$ cat /proc/acpi/button/lid/*/state state: open gpothier@tadzim:~$ cat /proc/acpi/button/lid/*/state state: closed Suspending in itself works fine with the laptop's suspend button. Suspend on lid close worked fine in Natty. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-power-manager/+bug/863834/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp