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Using Adobe LR Classic and Mojave 10.14.4. I am having repeated instances of Lightroom crashing and/or Kernel Panic (when using the develop module).
Here is the crash report from the most recent crash.
Process: Adobe Lightroom Classic [1334]
Path: /Applications/Adobe Lightroom Classic/Adobe Lightroom Classic.app/Contents/MacOS/Adobe Lightroom Classic
Identifier: com.adobe.LightroomClassicCC7
Version: 9.1 [201911291132-64cf80b4] (9.1)
Code Type: X86-64 (Native)
Parent Process: ??? [1]
Responsible: Adobe Lightroom Classic [1334]
User ID: 501
Date/Time: 2020-05-12 20:19:00.255 +1000
OS Version: Mac OS X 10.14.4 (18E2034)
Report Version: 12
Anonymous UUID: 5CD0F6F7-24B0-BFF8-A462-5737B11475CD
Time Awake Since Boot: 17000 seconds
System Integrity Protection: enabled
Crashed Thread: 0 Dispatch queue: com.apple.main-thread
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: EXC_I386_GPFLT
Exception Note: EXC_CORPSE_NOTIFY
Termination Signal: Segmentation fault: 11
Termination Reason: Namespace SIGNAL, Code 0xb
Terminating Process: exc handler [1334]
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 com.adobe.ag.kernel 0x0000000101f0d66b 0x101f02000 + 46699
1 com.adobe.ag.kernel 0x0000000101f0d919 0x101f02000 + 47385
2 com.adobe.ag.kernel 0x0000000101f0dc90 0x101f02000 + 48272
3 com.adobe.ag.kernel 0x0000000101f04400 lua_gc + 79
4 com.adobe.ag.ui 0x0000000101fb726f 0x101f4f000 + 426607
5 com.adobe.LightroomClassicCC7 0x0000000101adb2e1 0x1019b1000 + 1221345
Not only this, but I can no longer update LR through CC as CC has crashed and won't reopen.
I have tried steps from so many other posts/suggestions already and nothing fixes this. I don't have any anti-virus software on this mac. PLEASE HELP. This is very frustrating and I can't get any work done!
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Have a look at this Adobe help article.
https://helpx.adobe.com/creative-cloud/help/uninstall-creative-cloud-desktop-app.html
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Same problem here. The issue appears to be related to the GPU acceleration - if I disable this I can use the Develop module - if I do not disable it the fans spin up, full CPU usage and a total freeze and restart of the Mac. Same kernel panic crashes happen in Adobe Camera Raw. As a photographer who has nearly half a million images in a Lightroom catalog this is problematic.
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If turning OFF GPU works, it's a GPU bug and you need to contact the manufacturer or find out if there's an updated driver for it.
Also see: https://helpx.adobe.com/photoshop/kb/acr-gpu-faq.html