This also affects me, on exactly the same hardware (Thinkpad X40). As it is 100% reproducible, and the only way to cure it is a reboot, it effectively makes suspend useless on this machine.
Things that don't fix it: - Double console switch - Executing xrandr Please let me know if I can be of assistance in debugging. Gerv -- thinkpad x40: backlight does not work after suspend https://bugs.launchpad.net/bugs/436230 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs