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I've been seeing random smatterings of posts like this. The first thing I'd ask is whether or not you have the Mercury GPU (openCL) mode enabled or not (check under your project settings). If so, does it start to behave if you flip it back to software mode?
I'm starting to suspect that a lot of the openCL issues people have been seeing on macbooks may actually be related to heat issues & GPU throttling. Apparently this is a well known thing in gaming circles. I did happen to trip across this link where someone is trying to tinker with the power management system to keep it from throttling. I don't know whether or not this applies, but I think it's potentially an interesting angle to pursue.
Stab in the dark: How much free space do you have on your boot disk? If less than 100 GB, free up some room for VM swaps.
Wow yes i changed it from GPU Aceloration to just Softawre only and its running alot smoother i can actually preview my video now thank you.
I thought it might be that as well so i did free up some space I now have 233 GB free space but the issue is still there so I don't think its to do with disk space I have a feeling its a Premier Pro and Mac OSX updates battling each other witch is causing GPU problems.
I have my GTX285 set for higher fan speeds when I open Premiere to keep it from getting to hot.
It's a program that comes with the video card.
Hmm... I have a GTX 285 and do not change fan speeds
But, I have a Cooler Master Scout case, which has two (optional) case fans on the side, right over the motherboard and graphics card... so I have a LOT of air blowing onto the components
Doesn't help the OP, but I am a firm believer that more cooling fans is a good thing
Yet another case with the GPU MPE causing problems on a mac/CS6/Lion. It's adding up...
Recently encountered the same issue. Found changing the 'Project Settings' under the 'File' tab worked for me as well (File->project settings->general->renderer->software only). OpenCL must be causing the GPU to work to the point of failure or something; hence the system crashes.
Feel free emailing me if you need help solving this issue: firstname.lastname@example.org
Hi R Mayhem,
Have you updated your GPU drivers lately? Newer drivers will no longer be supporting older CUDA cards. See my blog post: New NVIDIA drivers will no longer support older CUDA GPUs