[Bug 41668] Screen locks up at random points when using a 3D compositing wm (gnome-shell) on an rv515 (radeon mobility x1300)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=41668

--- Comment #12 from dmotd <inaudible at simplesuperlativ.es> 2011-10-12 23:27:01 PDT ---
(In reply to comment #11)
> (In reply to comment #10)
> > (In reply to comment #6)
> > > > > running glxgears just shows an empty black box.. all other glx demos are the
> > > > > same empty boxes.. 
> > > > 
> > > > Do they work with the environment variable vblank_mode=0? If yes, does the
> > > > number for radeon increase in /proc/interrupts once the problem occurs?
> > > 
> > > setting vblank_mode=0 works and displays an output.. but not much change in
> > > /proc/interrupts (irq 46 for radeon)
> > 
> > Not much change for the radeon number, or none at all? If the latter,
> > apparently the IRQ for the radeon card stops working for some reason, which
> > would explain the core symptoms of the freeze.
> 
> no change to the radeon irq number.

is there a way i can debug this further?

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