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iMac Kernel panic on shutdown/restart

 1 year ago
source link: https://forums.macrumors.com/threads/imac-kernel-panic-on-shutdown-restart.2397392/
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iMac Kernel panic on shutdown/restart

CooperBox

macrumors 68000

Original poster

Normally I never shut down my 2020 iMac but at the end of each day put it into sleep mode with never a problem.
The last few days however to be a little more ECO friendly I've been shutting it down. The screen goes black for a minute or two and appears to have shut down, then it auto starts with a very brief typical kernel panic message, then the Apple logo appearing ok and then the login screen. Just before login I get a prompt similar to 'Computer failed to shut down, send message to Apple Yes/No. It boots ok on selecting No, otherwise gives the kernel panic codes shown below.
It's an iMac 20,1 3,3GHz A5 with AMD Radeon 5300 4GB and 64GB Crucial RAM (4x16 equally paired). Running Big Sur 11.7.7.
The iMac performs wonderfully otherwise, so I hope this appears to be just an annoying minor hiccup.
Can anyone here who loves deciphering these funky messages throw any light on what's happening here?

KernelReport1.jpg
KernelReport2.jpg


KernelReport3.jpg
KernelReport4.jpg


KernelReport5.jpg
Last edited: Tuesday at 1:10 AM

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