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asimawesom Author

Level 1

10 points

panic(cpu 3 caller 0xffffff7f9c192404):

My iMac 2018 randomly give this error report ever since I upgraded it to Catalina. The main error is ' Your computer was restarted because of a problem and in the details has this error :

panic(cpu 3 caller 0xffffff7f9c192404): "[IGPU] Failed to wake the ME: reload=1, retries=50\n"@skl/sched3/IGGuC.cpp:1589

Backtrace (CPU 3), Frame : Return Address

0xffffff915a2a3960 : 0xffffff8018739a3b

0xffffff915a2a39b0 : 0xffffff8018870fe5

0xffffff915a2a39f0 : 0xffffff8018862a5e

0xffffff915a2a3a40 : 0xffffff80186e0a40

0xffffff915a2a3a60 : 0xffffff8018739127

0xffffff915a2a3b60 : 0xffffff801873950b

0xffffff915a2a3bb0 : 0xffffff8018ed17f9

0xffffff915a2a3c20 : 0xffffff7f9c192404

0xffffff915a2a3c40 : 0xffffff7f9c10c1ba

0xffffff915a2a3d80 : 0xffffff7f9c10c47a

0xffffff915a2a3de0 : 0xffffff7f9c119c46

0xffffff915a2a3e10 : 0xffffff7f9ae9cf3b

0xffffff915a2a3e30 : 0xffffff8018e26654

0xffffff915a2a3ea0 : 0xffffff8018e2645a

0xffffff915a2a3ec0 : 0xffffff801877b625

0xffffff915a2a3f40 : 0xffffff801877b151

0xffffff915a2a3fa0 : 0xffffff80186e013e

.......

Any idea how to fix it. I have tired reinstalling but still no luck.

Thank you,

Posted on Dec 7, 2019 3:02 PM

Top-ranking reply

den.thed

Level 10

82,570 points

Posted on Dec 7, 2019 3:41 PM

Kernal Panic's can be caused by either third party software conflicts and/or external connected devices.

So start by follow each of the steps, at > If your Mac restarted because of a problem - Apple Support

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panic(cpu 3 caller 0xffffff7f9c192404):

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