Created attachment 713910 [details] gnome-shell backtrace Description of problem: gnome-shell crashes when application opens too large window. This can be simulated by qiv and probably also with spice client. Version-Release number of selected component (if applicable): cogl-1.12.2-1.fc18.i686 clutter-1.12.2-1.fc18.i686 clutter-gtk-1.4.2-1.fc18.i686 gnome-shell-3.6.3.1-1.fc18.i686 mutter-3.6.3-1.fc18.i686 How reproducible: always Steps to Reproduce: 1. create large image, say 5000x5000 px 2. open it in qiv Actual results: (gnome-shell:3607): Cogl-WARNING **: shmget failed Additional info: mesa-dri-drivers-9.1-1.fc18.i686 mesa-libGL-9.1-1.fc18.i686 xorg-x11-drv-ati-7.0.0-0.9.20121015gitbd9e2c064.fc18.i686 xorg-x11-server-Xorg-1.13.3-1.fc18.i686
The GPU was ATI RV516 [Radeon X1300/X1550 Series] in my case, does it matter? Xorg.log is clean, do you want me to provide more machine-specific info?
Yes, it's generally a GPU or driver issue.
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