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Old 04-22-09, 06:48 PM   #4
NVIDIA Corporation
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Join Date: Mar 2005
Posts: 2,487
Default Re: nvLock: client timed out, taking the lock

Does your app ever spend a lot of time in a signal handler, or could be somehow suspending the OpenGL thread while it's executing code in libGL? Also, are you rendering to pbuffers with the XvMC thread? It would be very helpful if you could break into your app and the X server during one of these hangs and get backtraces from all four threads.
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