Graphics Glitches

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John Auborn (auborn++at++archimedes.vislab.navy.mil)
Tue, 29 Sep 1998 12:06:18 -0700 (PDT)

HELP!

We have a 3pipe, 16 processor Onyx R10000 with IR graphics.
Unfortunately, no matter what we do, we cannot seem to avoid
periodic graphics glitches (unable to meet frame rate) even
with VERY simple scenes.

I cannot even run (as root)
 perfly -C -L -M0 -m6 -N -P1 -r60 esprit.flt
without missing frames. It seems to miss every second or so. The
problem isn't there all the time, but if you spin the model and wait
a minute, you will see this periodic glitch about 1/2 the time.

We have SGI software and hardware support, but the Systems Support Engineer
and the phone support have not been able to figure out the problem. They
swapped every board and even sent a new systme disk configured at Mt View.

Any Ideas???

-- 
John Auborn  Code 471130D Naval Air Warfare Center Weapons Division
             Chinalake, CA 93555-6100
             (760) 939-2274 (office)   (760) 939-0547 (lab)
             (760) 939-6893 (fax)
             auborn++at++chinalake.navy.mil
             http://circe.chinalake.navy.mil (work)
             http://www1.ridgecrest.ca.us/~auborn (home)

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