Guidance on how to collect debugging information for compositing issue in gnome-shell
Alex Villacís Lasso
a_villacis at palosanto.com
Wed Aug 7 07:10:31 PDT 2013
El 03/08/13 21:38, Alex Villacís Lasso escribió:
> El 28/07/13 19:56, Alex Villacís Lasso escribió:
>> El 28/07/13 13:08, walter harms escribió:
>>> 1. I have no clue but maybe some hints:
>>> * Do you get the failure also when you do nothing, just stating X ?
>>> * Can you trigger that behavier at will or more at random ?
>>> * Did you upgrade ? or is that the first installation ?
>> Currently I have no way to trigger the failure at will. This Fedora 18 installation is clean, not an upgrade from a previous version. However, it has been regularly updated to the most recent Fedora 18 packages.
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> I might be entirely wrong, but the following behavior looks like a resource leak of some sort. It seems that Xv is the most efficient way to trigger the bug, but it *will* require quite a few tries. The bug still persists with
> xorg-x11-drv-intel-2.21.12-1.fc18.x86_64 . With the G33 chipset, you can try:
> 1) starting standard gnome desktop with gnome-shell and compositing
> 2) find a program that invokes Xv, such as totem, mplayer, etc.
> 3) find any video source playable by the chosen program
> 4) run the chosen program with the chosen video for 10 seconds, then quit the program
> 5) repeat steps 2 through 4 on the same gnome-shell session about 30 times, or until the next application window/menu window appears as a black rectangle instead of valid data
> I do not know whether this can be triggered in anything other than the G33 chipset.
> The fact that the problem is solvable by restarting Xorg suggests that the leak is in userspace, not kernel space.
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Still happens with xorg-x11-drv-intel-2.21.12-1.fc18.x86_64 under 3.11.0-rc4 .
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