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RenderAs crash pattern with GPU detected – workaround found
I was rendering some slide shows with the MainConcept AVC/AAC Internet 480p template with a higher bitrate configured and was noticing it would hang at around 40% and the GPU utilization went to 0% (as shown by a third party utility).
I also noticed if I ended Sony Vegas Pro 12 with the task manager and launch it again only opening the project file and immediately going to RenderAs, it would complete the task successfully. Once I got my two slideshows done, I came back to do a test.
If I open a project and play it in the video preview window for a minute or so and then choose RenderAs, the task will not complete and the GPU utilization goes to 0 again. If I do the RenderAs as the first task of my Sony Vegas session then it completes just fine.
I suspect it might have to do with how the memory buffers and/or the GPU cores are initialized for viewing/rendering. So now I will save my project and exit Sony Vegas before I do a render and see if I avoid the hangs. I did try the CPU only render, but it did take twice as long (40min vs 20min).
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2 Replies
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Mark, very interesting observations, thanks for sharing.
Fortunately it has been awhile since I have run into a hang during rendering (knock on wood). When it does happen, I end up bailing out and re-doing the render. I am going to bookmark your comments and try your work around next time I run into that issue.
Hopefully your observations are also insightful for the Sony Software team.
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seems like a drivers issue to me, once some of their functions are invoked. Try updating or rolling back to a previous version and check again.
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