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Macbook 13-inch, 2020, Four Thunderbolt 3 ports

I've been troubleshooting an issue where my Macbook Pro reboots on its own coming out of sleep mode. Here's an excerpt from one of the crashes;


panic(cpu 1 caller 0xfffffff00cdb7578): userspace watchdog timeout: no successful checkins from dfrd in 180 seconds

service: dfrd, total successful checkins in 3164 seconds: 291, last successful checkin: 180 seconds ago

service: remoted, total successful checkins in 3155 seconds: 315, last successful checkin: 0 seconds ago

service: bridgeaudiod, total successful checkins in 3164 seconds: 316, last successful checkin: 0 seconds ago

service: logd, total successful checkins in 3164 seconds: 315, last successful checkin: 0 seconds ago


Debugger message: panic

Memory ID: 0x6

OS release type: User

OS version: 20P420

macOS version: 22A400

Kernel version: Darwin Kernel Version 22.1.0: Sun Oct 9 19:46:56 PDT 2022; root:xnu-8792.41.9~1/RELEASE_ARM64_T8010

KernelCache UUID: B7EE8CD951B2BA089DFDEDE928F572B1

Kernel UUID: F0934039-FED3-3E70-8E87-BF08A56907C2

Boot session UUID: CD62776F-339B-401C-BBD8-E1B100F6AA94

iBoot version: iBoot-8419.41.10

secure boot?: YES

roots installed: 0

x86 EFI Boot State: 0x16

x86 System State: 0x1

x86 Power State: 0x1

x86 Shutdown Cause: 0x5

x86 Previous Power Transitions: 0x100010001

PCIeUp link state: 0x36894700

macOS kernel slide: 0xac00000

Paniclog version: 14

Kernel slide: 0x000000000673c000

Kernel text base: 0xfffffff00d740000

mach_absolute_time: 0x11af55469d

Epoch Time: sec usec

Boot : 0x638538a7 0x0003b32b

Sleep : 0x63858fd1 0x000e2f66

Wake : 0x6385a910 0x00064fd9

Calendar: 0x6385aa1e 0x000407d8


Zone info:

Zone map: 0xffffffe68d7c8000 - 0xffffffec8d7c8000

. VM : 0xffffffe68d7c8000 - 0xffffffe773e2c000

. RO : 0xffffffe773e2c000 - 0xffffffe7c0af8000

. GEN0 : 0xffffffe7c0af8000 - 0xffffffe8a715c000

. GEN1 : 0xffffffe8a715c000 - 0xffffffe98d7c0000

. GEN2 : 0xffffffe98d7c0000 - 0xffffffea73e28000

. GEN3 : 0xffffffea73e28000 - 0xffffffeb5a490000

. DATA : 0xffffffeb5a490000 - 0xffffffec8d7c8000

Metadata: 0xffffffeffe59c000 - 0xffffffefffd9c000

Bitmaps : 0xffffffefffd9c000 - 0xffffffefffff0000


TPIDRx_ELy = {1: 0xffffffea747fd750 0: 0x0000000000000001 0ro: 0x000000016d2af0e0 }

CORE 0: PC=0xfffffff00d95e7d0, LR=0xfffffff00d95e7d0, FP=0xffffffecb9f37f00

CORE 1 is the one that panicked. Check the full backtrace for details.

Compressor Info: 0% of compressed pages limit (OK) and 0% of segments limit (OK) with 0 swapfiles and OK swap space

Total cpu_usage: 18963563

Thread task pri cpu_usage

0xffffffea747fd750 watchdogd 97 0

0xffffffea74149088 kernel_task 0 5212182

0xffffffea73e75088 kernel_task 0 9482601


Panicked task 0xffffffe7c0b5f7b0: 176 pages, 3 threads: pid 38: watchdogd

Panicked thread: 0xffffffea747fd750, backtrace: 0xffffffeffa50f170, tid: 926

lr: 0xfffffff00d92d318 fp: 0xffffffeffa50f1b0

lr: 0xfffffff00d92d128 fp: 0xffffffeffa50f220

lr: 0xfffffff00da62e44 fp: 0xffffffeffa50f290

lr: 0xfffffff00da61ddc fp: 0xffffffeffa50f350

lr: 0xfffffff00d8ed5fc fp: 0xffffffeffa50f360

lr: 0xfffffff00d92cb9c fp: 0xffffffeffa50f710

lr: 0xfffffff00dfd5100 fp: 0xffffffeffa50f730

lr: 0xfffffff00cdb7578 fp: 0xffffffeffa50f750

lr: 0xfffffff00cdb6f04 fp: 0xffffffeffa50f770

lr: 0xfffffff00cdb60c8 fp: 0xffffffeffa50f890

lr: 0xfffffff00df629e0 fp: 0xffffffeffa50fa30

lr: 0xfffffff00da319cc fp: 0xffffffeffa50fb50

lr: 0xfffffff00d932d38 fp: 0xffffffeffa50fbf0

lr: 0xfffffff00d909ec8 fp: 0xffffffeffa50fc50

lr: 0xfffffff00d91f8e0 fp: 0xffffffeffa50fd80

lr: 0xfffffff00da59238 fp: 0xffffffeffa50fe50

lr: 0xfffffff00da622ec fp: 0xffffffeffa50ff10

lr: 0xfffffff00d8ed5fc fp: 0xffffffeffa50ff20


I have done all the simple stuff, reset SMC and NVRAM. I've also completely reloaded the OS to no avail.

MacBook Pro

Posted on Nov 29, 2022 4:49 AM

Reply
Question marked as Top-ranking reply

Posted on Nov 29, 2022 5:24 PM

FYI, it appears you have an M1 Mac with Apple Silicon. Macs with Apple Silicon do not have SMC Resets or PRAM Resets.


Disconnect all external devices in case one of them is causing a problem.


Try testing the laptop while booted into Safe Mode which prevents third party software from automatically launching during boot & login.


Perform a clean install of macOS by first erasing the Container, then installing macOS. Make sure to test the laptop before installing any third party apps and before restoring from a backup. If you still have a problem with a clean install (no third party apps and no restoration from backup), then it indicates a hardware issue.

Similar questions

3 replies
Question marked as Top-ranking reply

Nov 29, 2022 5:24 PM in response to sikruis

FYI, it appears you have an M1 Mac with Apple Silicon. Macs with Apple Silicon do not have SMC Resets or PRAM Resets.


Disconnect all external devices in case one of them is causing a problem.


Try testing the laptop while booted into Safe Mode which prevents third party software from automatically launching during boot & login.


Perform a clean install of macOS by first erasing the Container, then installing macOS. Make sure to test the laptop before installing any third party apps and before restoring from a backup. If you still have a problem with a clean install (no third party apps and no restoration from backup), then it indicates a hardware issue.

Nov 29, 2022 4:41 PM in response to sikruis

Reach out to Apple Support and see if they can assist you.


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Macbook 13-inch, 2020, Four Thunderbolt 3 ports

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