Panic report

SnipersLaww wrote:

My computer keeps rebooting because of this panic report. Is there anything I can do to fix it? I have already tried using a timemachine restore to go back 2 days before this happened but apparently it didnt fix it.. just changed the CPU that was listed in the report.

<Log.log>

You do not paint a very big picture... do you have any functionality at all, can you log in?

To trouble shoot further you can:

—Try a SafeBoot https://support.apple.com/en-us/HT201262

Takes noticeable longer to get to the login screen, does a 5-15 minute disk repair before it fully boots up, and certain system caches get cleared and rebuilt, including dynamic loader cache, etc. Login and test. Reboot and test as caches get rebuilt.

In Safe mode third party system modifications and system accelerations are disabled, it removes malware, etc hampering smooth operation, however a reboot will put it back to normal mode.

This test will tell you if third party interference; extensions etc are not loaded in safe boot mode.

—Test issue in another user (or guest user) account  https://support.apple.com/en-us/HT204443

This will tell you if it a universal issue or isolated to your user/admin account. 

Kernel Panics are predominately caused by hardware faults or faulty third-party kernel extensions.

Learn what to do if your computer restarts or shuts down unexpectedly, or you get a message that your computer restarted or shut down because of a problem.

If your Mac spontaneously restarts or displays a ... - Apple Support

https://support.apple.com/en-us/HT200553

Do you have Apple RAM, or is this 3rd party replacement RAM

H9CCNNNBLTALAR-NTD

3rd party replacement RAM has been known to cause kernel panics where you least expect it

Or it could just be a corrupt file system.

BSD process name corresponding to current thread: backupd

I can use the computer fine for about an hour...

Could it be Time Machine that is messing things up, it normally runs every hour?

Try disabling it in Sys Prefs>Time Machine.

Are you backing up to an external drive?

The panic is happening in the hfs kext, and I assume the startup drive is APFS.

As BDAqua noted, if it is every hour, it may have to do with the backup drive.

Run First Aid on it in Disk Utility.

If it checks ok, disconnect the drive and see if you get panics.

If your startup drive is formatted Mac OS Extended (Journaled), then check that drive, too.

A big +1 on disconnecting the external drive. WD makes very good bare drives but the external enclosures they use seem to be designed to go on sale every weekend, not provide long, reliable service. They also use an odd formatting scheme that aggravates problems.

I had many issues of hard stalls, overheating and slowness with a MyBook external on both modern iMacs as well as older PowerPC Macs. I finally erased it completed and reformatted as Mac HFS+. Better, but still too irratating. Finally I ripped the bare drive out of the myBook and installed it in an OWC Mercury Elite Pro enclosure. No issues whatsoever, and the old drive is still chugging along today backing up one of our older iMacs.

In addition to leroydouglas' comments, what exactly do you mean by "just changed the CPU?"