Photoshop crashes /makes iMac restart. AMD Radeon HD 6970M; Adobe said my GPU needs updating but as it's Mac it updates with OS updates.

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Photoshop crashes and sometimes makes my iMac restart. I'm using the AMD Radeon HD 6970M in a mid 2011 iMac with OS updated and recently resintalled, resintalled photoshop also; Adobe said my GPU needs updating but as it's Mac it is updaed every time the OS updates.
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Carson

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Posted 9 months ago

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John Maguire

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My first suggestion is to go to the official driver site of your video card and get it from the source. If that doesn't resolve it try disabling opencl under advanced settings.
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Carson

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AMD doesn't offer a separate driver for Mac systems, instead they say updates are ALWAYS included in OS updates.  They offer separate drivers only for Windows. I update every time it's offered, so I'm running sierra 10.12.6 on a mid 2011 27" iMac.

Nope, opencl was not activated.  Other suggestions?  Am I the ONLY person with this difficulty that emerged about three or four months ago?
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Carson

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Adobe changed something to make Photoshop less compatible with the iMac a few months ago, did they not?  driver updates with every OS update.  Card is AMD Radeon HD 6970M 1024 MB,  12 GB additional memory installed.  All this worked FINE until about June.  I had Apple check the hardware, they say it is fine and the problem is in Photoshop.  I've erased the hard drive and restored without Pshop preferences a couple of times, uninstalled and reinstalled Photoshop a couple of times also.  What's up with this?  Is the mid 2011 iMac 27" really not enough computer to run Photoshop anymore?
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Carson

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Hmm.  I've borrowed my wife's earlier in 2011 vintage iMac with Sierra 10.12.6, installed Photoshop CC 2018 and though it's slow it works fine.  All my previous comments are obviously off base.  It has to be something in the permissions or something on my machine; though when I get it back from the Apple store they're to have loaded 10.12.something instead of 10.13 High Sierra.
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Chris Castleberry, Camera Raw Engineer

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You are correct that GPU drivers for Mac are deployed via the Mac OS.

There were known issues with the AMD Radeon HD 6970M and GPU acceleration in Adobe Camera Raw (plugin to Photoshop). The solution was to either disable GPUI acceleration in Camera Raw or upgrade to 10.12 or later which fixed the issues in the GPU driver.

I am not sure about Photoshop specifically, but I am curious if disabling GPU acceleration in Photoshop preferences but leaving it enabled in Camera Raw preferences works when opening and editing images in Camera Raw. If so, then the issue may be in Photoshop, or there may be a fix in 10.13.

If I am reading the Apple compatibility list correctly, your mid 2011 iMac should be compatible with 10.13 High Sierra.

You might be able to update directly to High Sierra from the App Store if you should choose to go that route, though I can't guarantee that would fix this specific issue.

For now, try disabling "Use Graphics Processor" in Photoshop preferences (Performance section). That might eliminate the crash.
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Carson Barnes

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Disabling the graphics processor had been suggested and I tried it; it didn’t work, a few months ago. However, now that my machine is at the Apple store for testing, I’ve borrowed my wife’s iMac which is running 10.12.6 Sierra and Photoshop CC 2018 and it all works fine those slow. Obviously, it was some problem in my machine or software. My next problem is why the Epson 9600 wants to stop at 50 inches out of a 56 inch print! Is USB insufficient to handle that volume? Would ethernet be better?