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LR Classic and Canon EOS R RAW (CR3) files

Explorer ,
Dec 11, 2020 Dec 11, 2020

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LR Classic 10.1

MacBook Pro Mid 2015

Big Sur

2.5GHZ

16GB RAM

100GB free disk space

 

I have this week taken ownership of a Canon EOS R camera. The RAW files are .CR3 files.

Previously I have been suing a Canon EO5D MKIII with Lightroom Classic with no problems. Those are CR2 files.

 

Now with the images from the ESO R, LR keep hanging, showing the rainbow wheel of death, and rebooting while trying to process the images. This is in Develop mode. I have reverted to compressed RAW (cRAW) files and still the same issues. It is unworkable.

 

I edited a few images in LR CC and all felt fine there.

I have shut down all other applications, still the same.

 

Any suggestions?

 

Many thanks

 

Stephen

 

(oh, the disappointment when you get a new toy and all is not right)

 

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correct answers 2 Correct answers

Community Expert , Dec 12, 2020 Dec 12, 2020

Try turning off GUP in LrC preferences. Some users of earlier mac computer.

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Community Expert , Dec 12, 2020 Dec 12, 2020

Yes. To be specific do it in LrC Preferences. Camera Raw is a plugin for Photoshop, the same processing engine is built into LrC.

Screenshot 2020-12-12 at 7.17.08 AM.png

 

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Community Expert ,
Dec 12, 2020 Dec 12, 2020

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Try turning off GUP in LrC preferences. Some users of earlier mac computer.

Regards, Denis: iMac 27” mid-2015, macOS 11.7.10 Big Sur; 2TB SSD, 24 GB Ram, GPU 2 GB; LrC 12.5, Lr 6.5, PS 24.7,; ACR 15.5,; Camera OM-D E-M1

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Explorer ,
Dec 12, 2020 Dec 12, 2020

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Thanks Denis

 

What is GUP?

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Explorer ,
Dec 12, 2020 Dec 12, 2020

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Under Camera Raw in Preferences I see "Use Graphics Processor". This is set to Auto.

 

Is that it? Do I turn this to "Off"?

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Community Expert ,
Dec 12, 2020 Dec 12, 2020

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Yes. To be specific do it in LrC Preferences. Camera Raw is a plugin for Photoshop, the same processing engine is built into LrC.

Screenshot 2020-12-12 at 7.17.08 AM.png

 

Regards, Denis: iMac 27” mid-2015, macOS 11.7.10 Big Sur; 2TB SSD, 24 GB Ram, GPU 2 GB; LrC 12.5, Lr 6.5, PS 24.7,; ACR 15.5,; Camera OM-D E-M1

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Explorer ,
Dec 12, 2020 Dec 12, 2020

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Thank you Denis

That has made a big difference. I can work again. 🙂

 

Thank you.

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