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Still having this error using MacPro5,1 SMBIOS… :/

No, not solved yet :( I've tried many things but none of them solved this issue yet… I'm waiting for 10.8.3, hoping it will solve it (some real Macs have this error too…)

Thanks for your answer. Unfortunately, I already have those flags et the last update you quoted (n°3) installed… and I can't install this 2nd update (it says my disk does not meet the requirements ! strange !) Can you (and if possible other people that have a 650 Ti) just tell what's the Bios...

Just openning the console… It often happens while : watching a video (YouTube or not), surfing on some websites, using some applications (requesting OpenGL ?) like Unigine Heaven (I never managed to get it work)…

I have already installed this update, with new nvidia drivers (8.6.22 304.10.20f04) but unfortunately ir didn't solve the "Channel exception" error for me… :|

Please let us know if that solve the problem…

Unfortunately no… :| I'm looking forwards to 10.8.3, hoping it will have new graphic drivers that solve this problem… I've tried uninstalling CUDA (there's no uninstaller, so I did it manually, removing everything the installer added) and other things I do not remember, but all were unsuccessful.

So… As I said in the thread http://www.tonymacx86.com/mountain-lion-desktop-support/78875-getting-650ti-working.html, I successfullly installed the update, and now have the new nvidia drivers (8.6.22 304.10.20f04), but I still get those "NVDA(OpenGL): Channel exception!" errors… What's more, I...

So : I've tried to install the update at http://support.apple.com/kb/DL1609, and to switch config between iMac12,2, iMac13,2, MacPro3,1, but I still have those "NVDA(OpenGL): Channel exception!" errors… What's more, I can't use Unigine Heaven, because I always get this error before it ends (I've...

Someone has recently reported in a thread (there : http://www.tonymacx86.com/general-hardware-discussion/75540-gtx-650-ti-thread.html#post506695) that there was the update at http://support.apple.com/kb/DL1603. It looks like this solved its freezes problem, so maybe this update contains new...

Many thanks armadillu ! I'll try to install this update as soon as possible and I'll tell you if that works for me…

I have the same error when for instance using Safari (after about 30 minutes of use)… But I already have the "npci=0x3000" flag, can you please tell me which config you use (MacPro3,1 ?) and what are the others Kernel flags you use ?

Thank you ! I've switched to an iMac12,2 config, and I think I'll switch to MacPro5,1 if I still get the error… I'll let you know wheter it's working with those configs or not… By the way, what is the kext AppleTyMCEDriver.kext made for ?

Yes, I have this issue mainly when using Safari (and looks like I do not get it when using Firefox…) Can it be related to the config I use (MacPro3,1) ?

I confirm that the 650Ti works with CUDA drivers and Nvidia drivers, using the MacPro3,1 config… However I often get such errors: " 02/12/12 19:52:42,000 kernel[0]: NVDA(OpenGL): Channel exception! exception type = 0xd = GR: SW Notify Error 02/12/12 19:52:42,000 kernel[0]: 0000006e 02/12/12...

Hi there ! I've a 650 Ti working great (I only needed to install CUDA drivers and nvidia drivers which can be found there : http://www.nvidia.com/object/macosx-304.00.05f02-driver.html), but I often get the following error, after at least 30 minutes of use : " 29/11/12 17:52:25,000 kernel[0]...

Sucess: Mountain Lion Gigabyte GA-Z77-DS3H, i5 3570k Ivy Bridge OK, many thanks for your answer…

Sucess: Mountain Lion Gigabyte GA-Z77-DS3H, i5 3570k Ivy Bridge I'd have another question about sleep/wake: does it work for you?

Sucess: Mountain Lion Gigabyte GA-Z77-DS3H, i5 3570k Ivy Bridge Mhh… Maybe I misunderstood what port you're talking about (maybe you mean the motherboard's USB 3.0 port?), but there's no USB 3.0 port on the Antec Three Hundred case as far as I know… Anyway congratulations, that looks to be...