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Lightroom Classic 12.3 not opening on Mac M1

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Upgraded to classic 12.3 on mac M1 and will not open reverted back to 12.2.1 which runs ok - any ideas

macOS

C

chris clava

Participant

Hi there. I still have the same issue. I would love to update my mac since i can not run other apps on Mac OS Monterrey 12.6.8 anymore. And that is the only version Lightroom +/- works... i tried to contact adobe several times. same with apple. nobody helps.

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D

Dpratl

Participant

Hi,
Seeing the same with Lightrom Classic 12.3 and 12.4 on a M2 Pro Macbook.

*** GPU Warning: GPU3 failed (previous) sanity test ***

Any Updates on this?
OS Version is: macOS Ventura 13.4 (was 13.3 when error showed up)

Thanks

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Sameer K

Community Manager

Welcome to the Lightroom Community @stevep29976993. I'll help you figure this out.

Do you see Lightroom Classic in the Activity Monitor? Where is the catalog stored at the moment? In the internal drive or the external drive?

Try these steps to get Lightroom to launch:

Reset Lightroom Classic following the second (manual) method from this article: https://helpx.adobe.com/lightroom-classic/help/setting-preferences-lightroom.html
Press the OPT when launching Lightroom Classic & choose the option to create a new catalog and create a new one on the internal drive.
If the above step does not launch Lightroom Classic, go to the following location to launch Photoshop via the terminal.
In Finder > Application Folder > Lightroom Classic > Right-click on Lightroom.app > Show Package Contents > Contents > macOS > Lightroom - double click to open.

Let us know how it goes. Thanks!
Sameer K

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stevep29976993Author

Participating Frequently

Hi Just tried your suggestion but when I double click I got this terminal message and lightroom flashes then quits.

Any further ideas??

Cheers

Steve

Last login: Sat Apr 22 15:43:18 on ttys000

/Applications/Adobe\ Lightroom\ Classic/Adobe\ Lightroom\ Classic.app/Contents/MacOS/Adobe\ Lightroom\ Classic ; exit;

steveparrish@Steve ~ % /Applications/Adobe\ Lightroom\ Classic/Adobe\ Lightroom\ Classic.app/Contents/MacOS/Adobe\ Lightroom\ Classic ; exit;

[3423:302765:20230422,154506.853009:ERROR crash_report_database_mac.mm:96] mkdir /Users/steveparrish/Library/Logs/Adobe/CrashPadDumps/Adobe Lightroom Classic/12.3/[202304101834-a085245c]/3421: No such file or directory (2)

[3421:302758:20230422,154506.853325:ERROR file_io.cc:90] ReadExactly: expected 8, observed 0

*** GPU Warning: GPU3 failed (previous) sanity test ***

zsh: segmentation fault

Saving session...

...copying shared history...

...saving history...truncating history files...

...completed.

[0422/154507.404604:ERROR:mach_port_rendezvous.cc(311)] bootstrap_look_up com.adobe.LightroomClassicCC7.MachPortRendezvousServer.1: Unknown service name (1102)

[Process completed]

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O

OneWirelessGuru

Participant

Hi, I also have recently discovered exactly the same issue as you. Did you manage to fix this? Thanks

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