GTX285 works in 10.6.8, but not 10.7.1

DaVinci Resolve

GTX285 works in 10.6.8, but not 10.7.1

Posted by Greg Huson on October 10, 2011 at 10:49 pm

Just moved my Resolve to a macpro 4,1 after discussing my poor playback from prores and h264 with Dwayne @ editor’s lounge. (older mac pro having trouble decoding fast enough.) Those formats now play well.

I’m sure I’m not the only one who’s seen this – but I poked around and can’t the fix.

In 10.6.8, Resolve 8.01 runs as expected, but in 10.7.1, I get the error message that only my GPU card is doing processing when I launch.

on the 10.7.1 boot drive Cuda is 4.0.50

Configuration:

1 – NVidia 8800GT (for gui)
2 – Cubix
3 – DeckLink 3D
4 – Areca controller

Cubix:
1 – GTX285
2 – GTx285
3 – ATTO Celerity
4 – Red Rocket

What did I forget to do?

Also, secondary question – how much ram is ‘enough.’ I’m running at 6g – any reason to go 12 or 24? Mainly HD finishing.

Greg Huson
Secret Headquarters, Inc
Greg (at) SecretHQ.com
http://www.secretHQ.com

Greg Huson replied 14 years, 6 months ago 4 Members · 7 Replies
7 Replies

Clayton Burkhart
October 10, 2011 at 11:39 pm

Looks like you are in the jaws of the Lion. See my post below for a GTX470. With Lion the system installs 4.0.50 directly but does not include several drivers which are in 4.0.19 (quadro 4000 for Mac). Since you cannot backtrack and install an inferior version number, you are in limbo land.

Try getting rid of the AppleGraphicsPowerManagement.kext from System/Library/Extensions

If not it’s back to Snow Leopard.
Greg Huson
October 11, 2011 at 12:13 am

deleted that .kext – made no difference. grrrr.

Greg Huson
Secret Headquarters, Inc
Greg (at) SecretHQ.com
http://www.secretHQ.com
Clayton Burkhart
October 11, 2011 at 12:25 am

Ditch the Lion, you cannot tell the installers to not install 4.0.50, and you cannot backtrack to 4.0.19.
Joseph Mastantuono
October 11, 2011 at 4:06 am

I’ve had so many weird unexplainable, untroubleshootable problems since I installed lion, I went back, and I do not miss it. Kernel panics, software refusing to launch, random crashes, it was driving me crazy. And this was off a clean install on a new drive.

I’m at least going to wait until 10.7.2 or 3 to give it another shot.

Does Lion have anything you actually need?

Joseph Mastantuono
http://www.goodpost.net
Color Grading & Post Production Consulting
Greg Huson
October 11, 2011 at 6:01 pm

“Does Lion have anything you actually need?”

Yes, unfortunately. We’re beta testing another piece of software that requires lion – and I’d like to run them off the same boot drive. For now, I’m sticking with 10.6.8 until we find a solution to the graphics card problem – Systems working great in 10.6.8

Greg Huson
Secret Headquarters, Inc
Greg (at) SecretHQ.com
http://www.secretHQ.com
Chad Terpstra
October 11, 2011 at 9:11 pm

I just switched from Lion back to Snow Leopard and Resolve runs like a dream now. I will give the Lion boot drive another chance when Resolve 8.1 comes out (which will hopefully be October but they already blew by their first month-long deadline). For the moment I’m happy with the way things are working.
Greg Huson
October 15, 2011 at 4:03 am

Discovered that my 7.1 was booting in 32 bit mode- reset it per apple instructions to boot to 64 bit and that solved my Nvidia driver problem- at least so far. Hmmm. Or maybe it was the 8.1 upgrade… Either way, working correctly now.

Greg Huson
Secret Headquarters, Inc
Greg (at) SecretHQ.com
http://www.secretHQ.com

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