Lightroom Classic is very slow and crashes when using the masking tool

[Lesa26720652ofgz]

Whenever I am using the masking tool in Lrc, the app become slow and would eventually crashes. It's been two days now I've been trying to mask a single photo, which is rather fustrating! How can I fix this. This is slowing down work flow way too much! 

[TheDigitalDog]

Review your system's specs and compare them to the minimum requirements document*: https://helpx.adobe.com/lightroom-classic/system-requirements.html 

*last revised at the Max 2022 release.

Do you have sufficient GPU memory? 

[Lesa26720652ofgz]

Hi thedigitaldog,

From what 
i understand. i think my laptop meets the minimum requirements.

[TheDigitalDog]

Try logging into another user account (you may need to make one), still crashing? 

Try starting up in Safe mode (hold down Shift Key when booting), still crashing? 

You might want to try running a free utility like Onyx: still crashing? 

https://www.titanium-software.fr/en/onyx.html

Also view:

https://www.macworld.com/article/352902/onyx-review-macos.html

https://www.macworld.com/article/224955/how-to-reset-a-macs-nvram-pram-and-smc.html

From Adobe:

https://helpx.adobe.com/photoshop/kb/basic-troubleshooting.html

[johnrellis]

Most problems with AI masking are caused by older, buggy graphics drivers. Try updating your graphics driver by going directly to the manufacturer's web site:
https://helpx.adobe.com/lightroom-classic/kb/troubleshoot-gpu.html#solution-4

If that doesn't help, please copy/paste here the entire contents of the LR menu command Help > System Info -- that will let us see exactly which versions of hardware and software LR thinks you're running.

[Lesa26720652ofgz]

Hi johnrellis,

Thanks for your reply. Tried to solution listed via the link you shared but didn't make a difference. 

So have copied the content you asked for:

Lightroom Classic version: 12.1 [ 202212072312-d7ab524b ]
License: Creative Cloud
Language setting: en-GB
Operating system: Mac OS 13
Version: 13.1.0 [22C65]
Application architecture: x64 (emulated)
Logical processor count: 10
Processor speed: 2.4GHz
SqLite Version: 3.36.0
Built-in memory: 32,768.0 MB
Real memory available to Lightroom: 32,768.0 MB
Real memory used by Lightroom: 11,455.4 MB (34.9%)
Virtual memory used by Lightroom: 63,121.3 MB
Memory cache size: 10.6MB
Internal Camera Raw version: 15.1 [ 1329 ]
Maximum thread count used by Camera Raw: 5
Camera Raw SIMD optimization: SSE2
Camera Raw virtual memory: 406MB / 16383MB (2%)
Camera Raw real memory: 693MB / 32768MB (2%)
Standard Preview Size: 3456 pixels
Displays: 1) 3456x2234

Graphics Processor Info:
Metal: Apple M1 Max
Init State: GPU for Export supported by default
User Preference: Auto

Application folder: /Applications/Adobe Lightroom Classic
Library Path: /Users/lesasbusiness/Pictures/Lightroom/Lightroom Catalog.lrcat
Settings Folder: /Users/lesasbusiness/Library/Application Support/Adobe/Lightroom

Installed Plugins:
1) AdobeStock
2) Aperture/iPhoto Importer Plug-in
3) Flickr
4) Nikon Tether Plugin

Config.lua flags: None

[johnrellis]

"Operating system: Mac OS 13
Version: 13.1.0 [22C65]
Application architecture: x64 (emulated)

Metal: Apple M1 Max"

You're running LR under Rosetta emulation -- that has known issues with AI masking. Try running it without Rosetta, See here for how to do that:

https://www.macworld.com/article/338843/how-to-force-a-native-m1-mac-app-to-run-as-an-intel-app-inst...

[Lesa26720652ofgz]

Hi johnrellis,

Thanks for your help, your last suggestion seems to help. Work flow is much better now. 

[johnrellis]

Excellent.