Kernel panics since updating to 10.14.3

[verdi1987]

I have a 2015 iMac 5K. Since updating to 10.14.3 a few days ago, I have experienced four kernel panics. After the third KP, I did a reinstall of macOS on top of the existing OS (using the full installer). The system still KPs. Three of the KPs occurred while the iMac was asleep and the user logged out. (I woke up to discover the Mac had crashed.) The other panic occurred immediately upon rebooting and logging in after a previous KP.

The crash report seems to indicate that the crashes are related to APFS. Here is a snippet from one report:

Kernel Extensions in backtrace:
com.apple.filesystems.apfs(945.241.4)[4C147D98-F411-3D19-99D0-6778CC579FE9]@0xffffff7f8bd4a000->0xffffff7f8be49fff
dependency: com.apple.kec.corecrypto(1.0)[46F3B625-86D1-3761-9603-34835A98AA49]@0xffffff7f8b823000
dependency: com.apple.driver.AppleEffaceableStorage(1.0)[B2BCF219-EACB-3908-883A-9ED52B0D75E1]@0xffffff7f8bc9b000
dependency: com.apple.iokit.IOStorageFamily(2.1)[9B2E7108-AA17-3998-BF41-4B1297F455E5]@0xffffff7f8b6e1000
​

Has anyone else experienced this? I have sent one of the crash reports to Apple and also ran First Aid on the disk.

 

[chscag]

Kernel panics are usually related to hardware but can also be caused by software. Does your 2015 5K iMac have a Fusion drive? Try booting the machine to Safe Mode to see if it panics there also. That will tell you if it's hardware since Safe Mode eliminates all third party kexts and drivers. The KPs could be related to a bad drive even though it passes a first aid check.

 

[verdi1987]

Kernel panics are usually related to hardware but can also be caused by software. Does your 2015 5K iMac have a Fusion drive? Try booting the machine to Safe Mode to see if it panics there also. That will tell you if it's hardware since Safe Mode eliminates all third party kexts and drivers. The KPs could be related to a bad drive even though it passes a first aid check.

It's not a Fusion drive; it's a PCIe SSD. I will try Safe Mode.