This just sounds like regular LVDS fail - nothing specific to suspend&resume, just that is the easiest way to provoke the bug. My presumption would be failed sanitizing after the BIOS messes up state. Can you please grab intel_reg_dumper (from intel-gpu-tools) and run it before and after s&r?
** Summary changed: - Laptop Screen doesn't return after suspend + [gm45] Laptop Screen doesn't return after suspend -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1234450 Title: [gm45] Laptop Screen doesn't return after suspend To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1234450/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
