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Description of problem: After logging in to F15 using a gnome session, kernel panic occurs immediately; after logging in using xfce it occurs after several hours, reproducibly. "screen-shots": https://picasaweb.google.com/lh/photo/CWPpQ1MxQxpmx2hdLNFiHO_5sudepCmwGzy_5ErfURk?feat=directlinkk https://picasaweb.google.com/lh/photo/rsNCGIZucfpwFxVG-2iK6e_5sudepCmwGzy_5ErfURk?feat=directlink https://picasaweb.google.com/lh/photo/ZDS3CLo3ATcYtalnGV8n8u_5sudepCmwGzy_5ErfURk?feat=directlink https://picasaweb.google.com/lh/photo/iYpy_OD0q15oD_LGij-43-_5sudepCmwGzy_5ErfURk?feat=directlink Version-Release number of selected component (if applicable): How reproducible: Log in to f15, using gnome Steps to Reproduce: 1. switching on the computer 2. log in 3. Actual results: Kernel panic Expected results: Gnome desktop
it looks like the first oops that happens didn't make it fully into the photographs. By any chance did it make it into the logs ? You're looking for 'drm_vblank_put'. If that shows up in the logs, just attach the whole thing.
*** Bug 712265 has been marked as a duplicate of this bug. ***
The trace from bug 712265 is a bit more complete. https://bugzilla.redhat.com/attachment.cgi?id=504096
Created attachment 512745 [details] /var/log/messages with 3 or 4 crashes yesterday and one freezing today 22:41 Today, first time it was possible to work about hours using a gnome3-session without a kernel panic (until today the system crashed just on logging in into a gnome3-session). after ca. 1.5 hours the system freezed in graphics mode whithout a "black screen" (=returning to textmode). But there was no change made before (e.g. new kernel).
Created attachment 512748 [details] updated /var/log/messages after a panic (about 45' after starting the system)
On the same computer I added Gnome 3 to my Ubuntu 11.04-System. The consequences where similar to these on the fedora 15 system: got a kernel panic, the system froze. Maybe gnome3/clutter has a problem with the graphics adapter "Intel Corporation 82915G/GV/910GL Integrated Graphics Controller (rev 04)" (output of "lspci | grep -i vga")
Since Kernel version 2.6.40-4fc15.i686 has come and was installed, the problem did not occur any more. :)
Thanks for letting us know!