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Adobe Photoshop CC 2021 Continues to Kernel Panic macOS Catalina

I reported this problem last month, and while it is now less frequent, Photoshop CC 2021 continues to occassionally kernel panic macOS. I suspect the GPU, but that might not be it.

My 2015 MacBook Pro running macOS Mojave became extremely unstable (a dozen or more kernel panics in a few days) after installing Photoshop CC 2021. And since it did *not* have the macOS security update, which tends to implicate CC 2021. However, that might just mean that CC 2021 is hitting some Apple bug—no way for me to know.

Photoshop CC 2020 seems to be stable—that’s the best workaround.

Is this Adobe’s bug, or Apple’s bug? Hard to say, but it seems to happen only when using Photoshop. Maybe just because I spend a lot of time in Photoshop.

Panic(CPU 0, time 887794106663445): NMIPI for unresponsive processor: TLB flush timeout, TLB state:0x0
RAX: 0x0000000000000000, RBX: 0xffffff958df56000, RCX: 0xffffff8291667a40, RDX: 0xffffff828c8f8456
RSP: 0xffffff956db21dc0, RBP: 0xffffff956db21df0, RSI: 0x00000000fffffffc, RDI: 0x0000000000000001
R8:  0x0000000000000001, R9:  0x0000000004104d00, R10: 0x002028088000000a, R11: 0x0000000000000000
R12: 0xffffff82925e5520, R13: 0x0000000000000005, R14: 0xffffff800c8a1700, R15: 0xffffff82925e5520
RFL: 0x0000000000000086, RIP: 0xffffff800bf3858c, CS:  0x0000000000000008, SS:  0x0000000000000000
Backtrace (CPU 0), Frame : Return Address
0xffffff956db21c70 : 0xffffff800c044e4b 
0xffffff956db21cc0 : 0xffffff800bebfd47 
0xffffff956db21df0 : 0xffffff800bf37f92 
0xffffff956db21e30 : 0xffffff800bf37e5c 
0xffffff956db21e60 : 0xffffff800bf6443c 
0xffffff956db21f20 : 0xffffff800c0327e7 
0xffffff956db21f60 : 0xffffff800c04d6b3 
0xffffff956db21f80 : 0xffffff800c044e4b 
0xffffff956db21fd0 : 0xffffff800bebfbed 
BSD process name corresponding to current thread: Adobe Photoshop 
Mac OS version:
Kernel version:
Darwin Kernel Version 19.6.0: Tue Nov 10 00:10:30 PST 2020; root:xnu-6153.141.10~1/RELEASE_X86_64
Kernel UUID: A477D537-F87E-3978-8D7F-A84B7C02E62E
Kernel slide:     0x000000000bc00000
Kernel text base: 0xffffff800be00000
__HIB  text base: 0xffffff800bd00000
System model name: MacPro7,1 (Mac-27AD2F918AE68F61)
System shutdown begun: NO
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