Description of problem: The first time I enter the Activities screen in gnome-shell, the two buttons near the top left say "Windows" "Applications". Very frequently (perhaps always) when I enter Activities again, I instead get " indows" " pplications" in the button labels. Version-Release number of selected component (if applicable): gnome-shell-3.0.1-4.fc15.x86_64 How reproducible: very frequent, but not always Steps to Reproduce: 1.go back to Activities from time to time and see what happens. 2. 3. Actual results: Missing first letter of each button. Expected results: Same labels as always. Additional info:
This is a graphics driver bug, almost certainly. Please attach your dmesg output and /var/log/Xorg.0.log as attachments so we can reassign to the appropriate component and investigate.
Created attachment 501416 [details] Xorg.0.log I guess I can believe it, but I haven't see anything drawn incorrectly yet other than those two letters :-). I'll have to wait till I reboot to collect the dmesg output (I guess there is no longer a /var/log copy of it on f15).
Created attachment 501422 [details] dmesg output
Created attachment 501426 [details] Another screen shot of a different app OK, I am seeing problems in other apps now. For instance, here is a screenshot of the app for taking screenshots :-). It appears to have oval shaped chunks bitten out of several text areas on the dialog.
Reassigning to the Xorg DDX driver for further processing. (Since the original problem was with the GNOME Shell display, it's as likely to be a Mesa driver bug as a DDX driver bug.)
Just as a (possibly misleading) hint. I've been installing 32 bit Fedora 15 on the exact same hardware (different partition), and I'm pretty sure I've never seen the "indows pplications" problem crop up on the 32 bit version (or any of the other rendering problems, such as with the screenshot app. Of course there is always time for the problem to go ahead and crop up, especially now that I've said I haven't seen it :-).
I've paid careful attention to 32/64 differences and on x86_64, I see the W in Windows disappear pretty much 100% of the time after I have launched a gnome terminal, then go back and bring up the Windows screen again. It is always there at first, then disappears on the 2nd visit to the Windows screen. On 32 bit f15, I have not yet seen any rendering problems. The W is still there every time I bring up the Windows screen. So maybe there is some 64 bit unclean code in mesa or ATI driver or some place. I've run f15 on other 64 bit systems, and not seen this corruption, so perhaps it is the ATI driver and not mesa.
OK, I've finally seen rendering problems on 32 bit fedoras 15, so I guess the 32/64 different was a red herring. This time I was running yum update in a gnome terminal, and lots of the letters had bites taken out of the top of the letter. It seemed to be a problem with some cached copy of the letter, because when you see lots of text like you do on a yum update that is updating lots of packages, you can see that any character that is screwed up is always screwed up the same way. And always seemed to be a few pixels bitten out of the top of the characters that were affected in this case.
I was going to try and attach a screenshot, but I found that after the gnome-terminal was hidden under this firefox and then brought back to the top, it redrew everything correctly.
Just a me too. On a laptop I have up-to-date F15 x86_64 with an ATI X1300 card using the xorg ati driver and have seen the top of letters getting chopped off quite consistently. The cookie monster has a great time munching on them. Tom Horsley's screenshot sums it up nicely. Hope you will find a quick fix. Please let me know if I need to test anything.
Just to add another bit of information, I am now running FVWM with my own custom .fvwmrc file, not gnome 3 any longer. I haven't seen any corruption like this in any apps under FVMW. I have a feeling the corruption is coming from all the compositing layers somewhere (no compositing going on in a plain old FVWM session).
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