Ok I have created bug #540739. My problem is fixed by switching to nouveau so for me it seems to be the proprietary nvidia-driver that's causing trouble.
-- Suspend/resume with nvidia driver fails https://bugs.launchpad.net/bugs/488720 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