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35a32c5
(Get the code!)
Created an attachment (id=28262)
intel gpu dump, dmesg and system info
I am not 100% sure if I have the same problem but I hope the attached information will help to clarify this.
How I produced the gpu hung.
(steps which were used to produce the gpu_dump)
1. compiz is in use
2. open 25-30 pictures 1920x1200 with EOG
3. press <Alt>+<Tap>
4. the screen should now be frozen except the mouse cursor, but it could be that the mouse cursor is also frozen.
I was not able to reproduce this with metacity as window manager (30 pictures).
Another way to hung the gpu is to change the wallpaper in gnome while compiz is active (1920x1200). The gpu doesn't always hung immediately.
1. compiz is in use
2. 1-3 workspaces with each a full-screen windows open
3. 4th workspace to change the wallpaper
4. the screen should be frozen immediately or after some time.
If it doesn't hung immediately you should choose different wallpaper until the system is frozen. I think that the system freezes much easier if I had it in use for some time, before I try to change the wallpaper.
I hope this information is somehow helpful.
Regards
Achim