This is also happening in the release version. Did anyone find a way to remove or disable a specific kext? In my situation the /System/Library/Extensions/AppleGFXHDA.kext is giving me crashes since High Sierra. When connecting or unplugging from an external display I sometimes get a kernel panic and sometimes it works. - https://discussions.apple.com/thread/250790639 The bug is still not fixed but a good workaround was to remove the kernel extension from /System/Library/Extensions and the problem was gone until the next system update. Now it appears that even when I remove the kext, it still magically re-appears after a reboot. I tried the kmutil invoke-panic-medic suggestion, but the command failed for me.