Photoshop: Why is Photoshop CS6 slow on OS X 10.8 Mountain Lion? (Problems with OS permissions/PRAM after upgrade)

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  • Updated 6 years ago
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I upgraded to Mountain Lion after waiting until OS X 10.8.2 was released and I thought that the major issues would have been handled by now. Guess I should have waited longer, Photoshop CS6 (13.0.1) speed is now about 1/3rd of what it was before the upgrade and every now and then simple tasks take ages to calculate. Of the 8 virtual cores only one is really used and even this one not fully but only in spikes. Simple selections using the quick selection tool are painfully slow now. I run this on a maxed out Thunderbolt 27" iMac with 3.4 GHz i7, 16 GB RAM (8 GB free) and an AMD Radeon HD 6970M/2048 MB, switched text engine languages and diabled/enabled GPU support as suggested in various threads on other forums all to no avail. This really needs to be fixed!

I am not sure if the party that is responsible for this mess is Adobe alone. After upgrading my iMac I had to reset PRAM, start in single user mode and repair permissions to get rid of all kinds of error messages that were showing up in the console as well as manually delete .plist files. And all this had to be done on two Macbook Pro as well so it is not related to just one computer. I really feel like Apple are turning once useful machines into neat little iOS toys one "upgrade" at a time.

Anyway, rant over - I pasted some messages from the console here that might be helpful. Looks like Photoshop is fighting agains the new Sandbox in 10.8.

12.11.12 16:02:57,372 Adobe Photoshop CS6[2007]: CGContextSetShouldAntialias: invalid context 0x0
12.11.12 16:02:57,373 Adobe Photoshop CS6[2007]: CGContextClosePath: no current point.
12.11.12 16:02:57,373 Adobe Photoshop CS6[2007]: *** process 2007 exceeded 500 log message per second limit - remaining messages this second discarded ***

12.11.12 16:03:04,846 Adobe Photoshop CS6[2007]: invalid drawable
12.11.12 16:42:44,085 WindowServer[120]: _CGXGetWindowOrderingGroup: Operation on a window 0x2f3 requiring rights 0x5 by caller Photoshop
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Philipp

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Posted 6 years ago

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Photo of Jeffrey Tranberry

Jeffrey Tranberry, Sr. Product Manager, Digital Imaging

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Hi Philipp,

I take it you upgraded from a previous version and/or used User Migration Assistant and it sounds to me like you have some general OS permissions issues.

I'd try the steps in this document:

http://blogs.adobe.com/crawlspace/201...

Bad permissions, Bad fonts/font caches, etc could cause serious issues.

I'd look at running from a new admin account (possibly in safe mode) or creating a partition with a clean install of 10.8.