Hi Peter, I don't know if this helps, but if I connect an external monitor to the VGA output, the lid button works properly, and using the "debug" intel driver I see these lines at the end of Xorg.0.log
(II) PM Event received: Capability Changed I830PMEvent: Capability change (WW) intel(0): Disabling pipe 0 (4) (WW) intel(0): Survived poke (WW) intel(0): Disabling pipe 1 (4) (WW) intel(0): Survived poke (II) PM Event received: Capability Changed I830PMEvent: Capability change (WW) intel(0): Enabling pipe 0 (3) (WW) intel(0): Survived poke (WW) intel(0): Enabling plane 0 (3) (WW) intel(0): Survived poke (WW) intel(0): Enabling pipe 1 (3) (WW) intel(0): Survived poke (WW) intel(0): Enabling plane 1 (3) (WW) intel(0): Survived poke with no external monitor attached, the system hangs (black screen but for the mouse pointer) and after reboot in text mode I don't see anything in the Xorg.0.log . I'll try again without external monitor with the ACPI stuff you posted. .Andrea -- xserver-xorg-video-intel hangs the system when laptop lid is closed https://bugs.launchpad.net/bugs/138256 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