Created attachment 419088 [details]
xorg.0.log, smolt info, dmesg output, xorg.conf
Description of problem:
Intel driver in Fedora 13 hangs after 5-20 minutes, usually when scrolling or repainting in Firefox or Thunderbird. Seems only to happen when running large external display as primary monitor (2048x11152), not when using netbook's primary display (1024x576).
Version-Release number of selected component (if applicable):
Happens a while after I boot Fedora 13 and run for a while with Firefox and/or Thunderbird. I *think* it happens mostly when the app in question fills a large area on the right half of the screen... but that might just be superstitious.
Steps to Reproduce:
Screen freezes, but NOT mouse cursor, which continues to change properly as the mouse is moved. However the screen is never updated by the applications, which continue to run.
If I switch to console 2 (ctrl-alt-F2), I can log in as root and do anything I want, kill apps, etc., but when I switch back, the screen image stays frozen as it was, while the mouse cursor works fine.
dmesg log attached shows a GPU hang. (note that I booted with the debugging parameters Fedora requests, so there is lots of logging of drm activity).
See attached zip containing Xorg.0.log, smolt info, dmesg output, and xorg.conf.
I did not have THIS problem in FC12. However, the driver did have some quirks in FC12 that seem to have been fixed in FC13.
This is REALLY important to me. Hence, I would be happy to conduct tests needed to find the problem. I note that a number of patches in the intel driver bug server, for dates post-FC13 seem to address underlying issues that might be related - but none matches this specific type of problem that I describe. I don't know how to build a test driver that incorporates such patches for Fedora 13, but would be happy to try doing such a build if someone could tell me how to build the fedora package based on newer source bits from there.
This also seems to happen when my laptop blanks the screen or during the time the screen is blanked after being idle without user input for some time.
Symptoms are the same, OOPS in the dmesg is the same, but the screen is black. I can switch to a different terminal with ctrl-alt-2 and log in. But I cannot get back to the Gnome screen.
Is the bug being looked at?
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