MBP 16" Catalina - TB panic report crash page - should I be worried ?

4sallypat

macrumors 6502
Original poster
Sep 16, 2016
403
381
So Calif
Brand new MBP 16" had it's first kernel panic message.

The MBP had restarted overnight and battery was very low in the morning.

It is connected to a 27" Apple TB display via Apple's TB3-TB2 adapter dongle. Running it dual screen since day 1.

The back of the TB display has active connections to: Ethernet, 3 USB devices, FW 800 LaCie external HDD.

No other 3rd party devices connect to the MBP, except for the headphone jack which is used to connect my Bose speakers.

10.15.2 OS

Anyone know if this "Thunderbolt Power failure" message is due to hardware or software ?

Should I be worried ??

Screen Shot 2020-02-07 at 6.39.49 AM.png
 

chrfr

macrumors G3
Jul 11, 2009
8,589
2,769
Brand new MBP 16" had it's first kernel panic message.

The MBP had restarted overnight and battery was very low in the morning.

It is connected to a 27" Apple TB display via Apple's TB3-TB2 adapter dongle. Running it dual screen since day 1.

The back of the TB display has active connections to: Ethernet, 3 USB devices, FW 800 LaCie external HDD.

No other 3rd party devices connect to the MBP, except for the headphone jack which is used to connect my Bose speakers.

10.15.2 OS

Anyone know if this "Thunderbolt Power failure" message is due to hardware or software ?

Should I be worried ??

View attachment 893025
You're running 10.15.1, not 10.15.2 or 10.15.3. I'd update to 10.15.3 and see if the error happens again.
 
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4sallypat

macrumors 6502
Original poster
Sep 16, 2016
403
381
So Calif
Upgraded to 10.15.3 and got another crash restart with another problem report.

panic(cpu 4 caller 0xffffff7f86d9dad5): userspace watchdog timeout: no successful checkins from com.apple.WindowServer in 120 seconds
service: com.apple.logd, total successful checkins since wake (130 seconds ago): 14, last successful checkin: 0 seconds ago
service: com.apple.WindowServer, total successful checkins since wake (130 seconds ago): 2, last successful checkin: 120 seconds ago

Is this something I should worry about ???
Screen Shot 2020-02-08 at 7.23.57 AM.png
 

jgm_pt

macrumors newbie
Feb 10, 2020
2
4
Brand new MP16 and I also have the same issue.

Kernel error is not always the same but I also got those ones already.

10.15.2 and 10.15.3

Apple diagnostic found no issues.

Apple support continues to say that it is related to third-party software...
 
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gilby101

macrumors regular
Mar 17, 2010
229
90
Tasmania
Should I be worried ??
Yes. Steps I would take to start diagnosis:
Disconnect all peripherals (including extra screen) and see if the problem recurs.
If it does, reinstall clean macOS (no 3rd party software) and see if the problem recurs.
If it is still having these restarts - get Apple to fix it (=replace it).

Assuming it is not peripherals or 3rd party software, my not well informed guess would be faulty RAM - but that is not your problem as Apple will replace it if you can show the problem with clean system.
 
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jgm_pt

macrumors newbie
Feb 10, 2020
2
4
Just an update from my side.

I did a clean install, no 3rd party software, and got another crash/reboot panic error a few hours later:

panic(cpu 0 caller 0xffffff8011aa2d1c): Sleep transition timed out after 180 seconds while notifying clients about upcoming system capability changes. Suspected bundle: com.apple.iokit.IOGraphicsFamily. Thread 0x74...]
I'll call support again to try a replacement or even a full refund...
 
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