On the affected system, I have gnome-power-manager set to blank the display if the lid is closed with AC power connected. If I trigger this blank, then open the lid again and use the trackpad or touch a key - which should wake the screen up again - it stays blank. The system is still running (I could pull dmesg via an ssh link), but the screen won't come back until I reboot. dmesg with drm.debug=14 set attached, as requested.
Created attachment 440520 [details] dmesg output after triggering the blank then re-opening the lid
This still happens on Fedora 15. On a desktop computer (HP Evo d530), when the "time limit" is reached and the screen goes blank, wiggling the wired USB mouse and pressing every key on the wired USB keyboard does nothing. Have to cold boot by holding the power button for 5 seconds, losing all my work. This makes Fedora pretty much useless. Severity should be increased.
not likely to be the same bug, I don't think. I haven't had this issue on F15 or F16. -- Fedora Bugzappers volunteer triage team https://fedoraproject.org/wiki/BugZappers
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