Description of problem:
Using intel test day iso:
display comes up spanning laptop lcd and external 1920x1200 display. If I run gnome-control-center display and turn the laptop lcd off, the laptop display goes blank and the external monitor goes to powersave. After timing out, I get a black screen spanning both displays (external monitor comes back on) with only the mouse cursor, same as bz639057
Version-Release number of selected component (if applicable):
test day iso above
Steps to Reproduce:
1. see description
/var/log/Xorg.0.log attachment 452203 [details]
/var/log/messages attachment 452202 [details]
dmesg attachment 452201 [details]
Pretty sure I'm having this exact issue on Lenovo T520 sandy bridge graphics. Is there anything in the logs that points to this specific issue? What should I attach or perform to assist in debugging? The tell-tale sign of my symptom is the external display being on but filled black. There are instances where g-c-c displays does in fact detect the external display and lists it (correctly) as On but it is filled with black.
Needing some win here :)
I have the same problem on a Dell Latitude D830 on a docking station. This worked on Fedora 14.
I can provide any information you want. Thanks.
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