Re: swapbuffer timeouts

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Mark Ferneau (Mark_Ferneau++at++palo-alto.sterling.com)
Tue, 26 Jul 1994 17:29:34 PDT

In message <9407261703.ZM5201++at++fusion.arc.nasa.gov>"Drew Hess" writes
>I'm getting occasional swapbuffer timeouts in my Performer app. Here's what's
>printed on the console:
>
>WARNING: RE pipe 0: swapbuffer timeout
>
>The warning is accompanied by a long (30 second or so) pause in the Performer
>app where both the mouse cursor and the app freeze.

I've experienced plenty of these, but it was not dependent on Performer
at all. It was on an IRIX 5.1.* machine. From the relnotes for IRIX 5.2:

          o On Onyx, exiting an IrisGL program that used sproc
            might hang the graphics pipe. (174634)
          o On RealityEngine, a rare case involving 5-sided
            polygons with two-sided lighting would hang the pipe
            (174951).
          o On RealityEngine, under certain conditions texturing
            during multisampling caused a pipeline timeout.
            (183853)

Of course that doesn't indicate why the problem started occuring suddenly.
What OS are you running? Have up changed it recently? Have you installed
any other new system software recently? Enquiring minds want to know!

--mark

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