https://bugzilla.novell.com/show_bug.cgi?id=597078
https://bugzilla.novell.com/show_bug.cgi?id=597078#c63
--- Comment #63 from Egbert Eich 2011-10-19 08:55:57 UTC ---
The nouveau and intel hangs are indeed separate issues.
[mi] EQ overflowing. The server is probably stuck in an infinite loop.
Is seht by the mi layer when the input event queue fills up in the Xserver. The
input event queue is handled asynchronously in an event handler for SIGIO. This
event handler updates the cursor position on screen (at least when a HW cursor
is used) and adds an event to the event queue - especially when the user moves
the mouse impatiently which usually happens when nothing happens.
The event queue is processed in the server's main loop. This main loop is
however stuck somewhere in the driver waiting for the HW rendering engine to
finish thus the event queue will not be processed.
The HW rendering engine is independent of the hw cursor which is realized as
some sort of overlay that has no representation in the frame buffer on most
hardware. Thus the cursor position will be updated although the rendering
engine is out in the woods.
So, the intel and the nouveau issues are indeed separate even if they both
print the same message.
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