Just thought I'd chime in, had contributed to this thread a number of times, had this KP on reboot on my 16inch Pro and it's logic board replacement.
Last two days I've since had two of the same on my M1 MBP 16gb.
Only have homebrew and some basic stuff installed. Running latest BigSur, no kernel extensions or funny software.
Makefile:
panic(cpu 1 caller 0xfffffe00298e5ca8): watchdog timeout: no checkins from watchdogd in 304 seconds (60 totalcheckins since monitoring last enabled), shutdown in progress
Debugger message: panic
Memory ID: 0x6
OS release type: User
OS version: 20B29
Kernel version: Darwin Kernel Version 20.1.0: Sat Oct 31 00:07:10 PDT 2020; root:xnu-7195.50.7~2/RELEASE_ARM64_T8101
Fileset Kernelcache UUID: XXXXXXX
Kernel UUID: XXXXXXXX
iBoot version: iBoot-6723.50.2
secure boot?: YES
Paniclog version: 13
KernelCache slide: 0x000000001ed20000
KernelCache base: 0xfffffe0025d24000
Kernel slide: 0x000000001f98c000
Kernel text base: 0xfffffe0026990000
Kernel text exec base: 0xfffffe0026a58000
mach_absolute_time: 0x16738aac7db
Epoch Time: sec usec
Boot : 0x5fc64f48 0x000eabeb
Sleep : 0x5fc947ef 0x00000529
Wake : 0x5fc9489e 0x0004539c
Calendar: 0x5fc94c1d 0x000bcc79
CORE 0 recently retired instr at 0xfffffe0026bc24d0
CORE 1 recently retired instr at 0xfffffe0026bc100c
CORE 2 recently retired instr at 0xfffffe0026bc24d0
CORE 3 recently retired instr at 0xfffffe0026bc24d0
CORE 4 recently retired instr at 0xfffffe0026bc24d4
CORE 5 recently retired instr at 0xfffffe0026bc24d4
CORE 6 recently retired instr at 0xfffffe0026bc24d4
CORE 7 recently retired instr at 0xfffffe0026bc24d4
Total cpu_usage: 22776972
Thread task pri cpu_usage
0xfffffe166d1c5308 kernel_task 0 3770291
0xfffffe166d480658 kernel_task 0 5444721
0xfffffe166d478cb0 kernel_task 0 67503
0xfffffe166d479308 kernel_task 0 0
0xfffffe166d479960 kernel_task 0 7555266
Panicked task 0xfffffe166d1aeb88: 61318 pages, 451 threads: pid 0: kernel_task
Panicked thread: 0xfffffe166d480658, backtrace: 0xfffffe30678978c0, tid: 463
lr: 0xfffffe0026aa5f7c fp: 0xfffffe3067897930
lr: 0xfffffe0026aa5d48 fp: 0xfffffe30678979a0
lr: 0xfffffe0026bc77d0 fp: 0xfffffe30678979c0
lr: 0xfffffe0026bb92fc fp: 0xfffffe3067897a70
lr: 0xfffffe0026a5f7e8 fp: 0xfffffe3067897a80
lr: 0xfffffe0026aa59d8 fp: 0xfffffe3067897e10
lr: 0xfffffe0026aa59d8 fp: 0xfffffe3067897e80
lr: 0xfffffe002723de30 fp: 0xfffffe3067897ea0
lr: 0xfffffe00298e5ca8 fp: 0xfffffe3067897ec0
lr: 0xfffffe00298e54a8 fp: 0xfffffe3067897f00
lr: 0xfffffe0027e2d5d8 fp: 0xfffffe3067897f20
lr: 0xfffffe0027bae808 fp: 0xfffffe3067897fb0
lr: 0xfffffe002719b7b4 fp: 0xfffffe3067897fc0
lr: 0xfffffe0026bbbc00 fp: 0xfffffe3067897fe0
lr: 0xfffffe0026a5f85c fp: 0xfffffe3067897ff0
lr: 0xfffffe0026acdde8 fp: 0xfffffe401a6dbee0
lr: 0xfffffe0026acdff4 fp: 0xfffffe401a6dbf00
lr: 0xfffffe0026a68e74 fp: 0x0000000000000000
Kernel Extensions in backtrace:
com.apple.driver.AppleInterruptController(1.0d1)[DF0378F6-BC0F-3E89-ACD4-0AB2DC713C3A]@0xfffffe0027bac000->0xfffffe0027baffff
dependency: com.apple.driver.AppleARMPlatform(1.0.2)[5B1A401F-6FD8-39CD-AE5A-34EF66E839F7]@0xfffffe0027394000->0xfffffe00273dffff
com.apple.driver.watchdog(1.0)[50922304-6440-3C91-9EA0-A41A21C2D2DF]@0xfffffe00298e4000->0xfffffe00298e7fff
com.apple.driver.AppleS5L8960XWatchDogTimer(1.0)[A467BA00-7A1A-344E-8097-9E6ECBB8867E]@0xfffffe0027e2c000->0xfffffe0027e2ffff
dependency: com.apple.driver.AppleARMPlatform(1.0.2)[5B1A401F-6FD8-39CD-AE5A-34EF66E839F7]@0xfffffe0027394000->0xfffffe00273dffff
dependency: com.apple.driver.watchdog(1)[50922304-6440-3C91-9EA0-A41A21C2D2DF]@0xfffffe00298e4000->0xfffffe00298e7fff
dependency: com.apple.iokit.IOReportFamily(47)[E9EB2287-9D5B-3323-AB8E-C8C0D2DD7096]@0xfffffe0028e8c000->0xfffffe0028e8ffff
last started kext at 1050129430502: com.apple.driver.AppleXsanScheme 3 (addr 0xfffffe002649c000, size 16384)
last stopped kext at 1051857060762: com.apple.driver.AppleXsanScheme 3 (addr 0xfffffe002649c000, size 16384)
loaded kexts:
com.apple.filesystems.autofs 3.0
com.apple.fileutil 20.036.15
com.apple.driver.AppleTopCaseHIDEventDriver 4000.27
com.apple.iokit.IOBluetoothSerialManager 8.0.1f5
com.apple.driver.AppleBiometricServices 1
com.apple.driver.AppleALSColorSensor 1.0.0d1
com.apple.driver.AppleAOPVoiceTrigger 11.5
com.apple.driver.BCMWLANFirmware4378.Hashstore 1
com.apple.driver.CoreKDL 1
com.apple.driver.SEPHibernation 1
com.apple.driver.AppleUSBDeviceNCM 5.0.0
com.apple.driver.AppleThunderboltIP 4.0.3
com.apple.driver.AppleSmartBatteryManager 161.0.0
com.apple.filesystems.apfs 1677.50.1
com.apple.nke.l2tp 1.9
com.apple.filesystems.tmpfs 1
com.apple.IOTextEncryptionFamily 1.0.0
com.apple.filesystems.hfs.kext 556.41.1
com.apple.security.BootPolicy 1
com.apple.BootCache 40
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless 1.0.0d1
com.apple.driver.ApplePMP 1
com.apple.driver.ApplePMPFirmware 1
com.apple.AppleEmbeddedSimpleSPINORFlasher 1
com.apple.driver.AppleSmartIO2 1
com.apple.driver.AppleSPMIPMU 1.0.1
com.apple.driver.AppleDPDisplayTCON 1
com.apple.driver.AppleCS42L83Audio 437.96
com.apple.driver.AppleTAS5770LAmp 437.96
com.apple.driver.AppleSummitLCD 1.0.0
com.apple.driver.AppleT8020SOCTuner 1
com.apple.driver.AppleT8103CLPCv3 1
com.apple.AGXG13G 172.20.9
com.apple.driver.AppleAVD 373
com.apple.driver.AppleAVE2 401.63.1
com.apple.driver.AppleJPEGDriver 4.6.0
com.apple.driver.AppleMobileDispH13G-DCP 140.0
com.apple.driver.usb.AppleUSBHostT8103 1
com.apple.driver.AudioDMAController-T8103 1.53
com.apple.driver.AppleS5L8960XNCO 1
com.apple.driver.AppleT8103PMGR 1
com.apple.driver.AppleS8000AES 1
com.apple.driver.AppleS8000DWI 1.0.0d1
com.apple.driver.AppleS5L8960XWatchDogTimer 1
com.apple.driver.AppleInterruptController 1.0.0d1
com.apple.driver.AppleBluetoothModule 1
com.apple.driver.AppleSamsungSerial 1.0.0d1
com.apple.driver.AppleBCMWLANBusInterfacePCIe 1
com.apple.driver.AppleT8020DART 1
com.apple.driver.AppleSynopsysMIPIDSI 1.0.0
com.apple.driver.AppleS5L8920XPWM 1.0.0d1
com.apple.driver.AppleS5L8940XI2C 1.0.0d2
com.apple.driver.AppleSPIMC 1
com.apple.driver.AppleM68Buttons 1.0.0d1
com.apple.driver.AppleT8101 1
com.apple.iokit.IOUserEthernet 1.0.1
com.apple.iokit.IOKitRegistryCompatibility 1
com.apple.iokit.EndpointSecurity 1
com.apple.driver.AppleDiskImages2 1
com.apple.AppleSystemPolicy 2.0.0
com.apple.nke.applicationfirewall 310
com.apple.kec.InvalidateHmac 1
com.apple.kext.triggers 1.0
com.apple.driver.AppleHIDKeyboard 222
com.apple.driver.AppleActuatorDriver 4400.28
com.apple.driver.AppleMultitouchDriver 4400.28
com.apple.driver.AppleHSBluetoothDriver 4000.27
com.apple.driver.IOBluetoothHIDDriver 8.0.1f5
com.apple.iokit.IOAVBFamily 900.12
com.apple.plugin.IOgPTPPlugin 900.11
com.apple.iokit.IOEthernetAVBController 1.1.0
com.apple.driver.AppleMesaSEPDriver 100.99
com.apple.iokit.IOBiometricFamily 1
com.apple.driver.AppleAOPAudio 14.32
com.apple.driver.AppleSEPHDCPManager 1.0.1
com.apple.iokit.AppleSEPGenericTransfer 1
com.apple.driver.usb.networking 5.0.0
com.apple.driver.AppleThunderboltPCIDownAdapter 4.1.1
com.apple.driver.AppleThunderboltUSBDownAdapter 1.0.4
com.apple.driver.AppleThunderboltDPInAdapter 8.1.4
com.apple.driver.AppleThunderboltDPAdapterFamily 8.1.4
com.apple.driver.IOBluetoothHostControllerPCIeTransport 8.0.1f5
com.apple.iokit.IOBluetoothHostControllerTransport 8.0.1f5
com.apple.driver.AppleConvergedIPCOLYBTControl 1
com.apple.driver.AppleConvergedPCI 1
com.apple.driver.AppleBluetoothDebug 1
com.apple.driver.AppleBTM 1.0.1
com.apple.nke.ppp 1.9
com.apple.AGXFirmwareKextG13GRTBuddy 172.20.9
com.apple.AGXFirmwareKextRTBuddy64 172.20.9
com.apple.driver.AppleDCPDPTXProxy 1.0.0
com.apple.driver.DCPDPFamilyProxy 1
com.apple.driver.AppleBSDKextStarter 3
com.apple.filesystems.hfs.encodings.kext 1
com.apple.iokit.IONVMeFamily 2.1.0
com.apple.driver.AppleDiagnosticDataAccessReadOnly 1.0.0
com.apple.driver.AppleNANDConfigAccess 1.0.0
com.apple.driver.AppleDialogPMU 1.0.1
com.apple.driver.AppleStockholmControl 1.0.0
com.apple.driver.AppleCSEmbeddedAudio 437.96
com.apple.driver.AppleSPU 1
com.apple.driver.AppleHIDTransportSPI 4400.35
com.apple.driver.AppleHIDTransport 4400.35
com.apple.driver.AppleInputDeviceSupport 4400.35
com.apple.driver.AppleEmbeddedAudio 437.96
com.apple.iokit.AppleARMIISAudio 80.34
com.apple.driver.AppleHPM 3.4.4
com.apple.driver.ApplePassthroughPPM 3.0
com.apple.iokit.IOGPUFamily 20.9
com.apple.driver.AppleH11ANEInterface 4.51.0
com.apple.driver.AppleH13CameraInterface 2.67.2
com.apple.driver.AppleH10PearlCameraInterface 14.63.0
com.apple.driver.DCPAVFamilyProxy 1
com.apple.iokit.IOMobileGraphicsFamily-DCP 343.0.0
com.apple.driver.AppleDCP 1
com.apple.driver.AppleFirmwareKit 1
com.apple.driver.AppleSPMI 1.0.1
com.apple.driver.AppleUSBXDCIARM 1.0
com.apple.driver.AppleUSBXDCI 1.0
com.apple.iokit.IOUSBDeviceFamily 2.0.0
com.apple.driver.usb.AppleUSBXHCIARM 1
com.apple.driver.usb.AppleUSBXHCI 1.2
com.apple.driver.AppleEmbeddedUSBHost 1
com.apple.driver.usb.AppleUSBHub 1.2
com.apple.driver.usb.AppleUSBHostCompositeDevice 1.2
com.apple.driver.AppleT8103TypeCPhy 1
com.apple.driver.AppleSART 1
com.apple.driver.ApplePMGR 1
com.apple.driver.watchdog 1
com.apple.driver.AppleDisplayCrossbar 1.0.0
com.apple.iokit.IODisplayPortFamily 1.0.0
com.apple.driver.AppleTypeCPhy 1
com.apple.driver.AppleThunderboltNHI 7.2.8
com.apple.driver.AppleT8103PCIeC 1
com.apple.iokit.IOThunderboltFamily 9.3.2
com.apple.driver.ApplePIODMA 1
com.apple.driver.AppleT8103PCIe 1
com.apple.driver.AppleBluetoothDebugService 1
com.apple.driver.AppleBCMWLANCore 1.0.0
com.apple.iokit.IO80211FamilyV2 1200.12.2b1
com.apple.driver.IOImageLoader 1.0.0
com.apple.driver.AppleMobileDispH13G-DFR 140.0
com.apple.iokit.IOMobileGraphicsFamily 343.0.0
com.apple.driver.AppleMCA2-T8103 510.72
com.apple.driver.AppleGPIOICController 1.0.2
com.apple.driver.AppleMobileApNonce 1
com.apple.driver.AppleFireStormErrorHandler 1
com.apple.driver.AppleMultiFunctionManager 1
com.apple.driver.corecapture 1.0.4
com.apple.driver.AppleEmbeddedPCIE 1
com.apple.iokit.IOTimeSyncFamily 900.11
com.apple.driver.DiskImages 493.0.0
com.apple.iokit.IOGraphicsFamily 585
com.apple.iokit.IOBluetoothFamily 8.0.1f5
com.apple.iokit.IOBluetoothPacketLogger 8.0.1f5
com.apple.driver.FairPlayIOKit 68.5.0
com.apple.iokit.CoreAnalyticsFamily 1
com.apple.driver.AppleSSE 1.0
com.apple.driver.AppleSEPKeyStore 2
com.apple.driver.AppleUSBTDM 511.40.9
com.apple.iokit.IOUSBMassStorageDriver 184.40.6
com.apple.iokit.IOPCIFamily 2.9
com.apple.iokit.IOSCSIBlockCommandsDevice 436.40.6
com.apple.iokit.IOSCSIArchitectureModelFamily 436.40.6
com.apple.driver.AppleIPAppender 1.0
com.apple.driver.AppleFDEKeyStore 28.30
com.apple.driver.AppleEffaceableStorage 1.0
com.apple.driver.AppleCredentialManager 1.0
com.apple.driver.KernelRelayHost 1
com.apple.iokit.IOUSBHostFamily 1.2
com.apple.driver.AppleUSBHostMergeProperties 1.2
com.apple.driver.usb.AppleUSBCommon 1.0
com.apple.driver.AppleSMC 3.1.9
com.apple.driver.RTBuddy 1.0.0
com.apple.driver.AppleEmbeddedTempSensor 1.0.0
com.apple.driver.AppleARMPMU 1.0
com.apple.iokit.IOAccessoryManager 1.0.0
com.apple.driver.AppleOnboardSerial 1.0
com.apple.iokit.IOSkywalkFamily 1
com.apple.driver.mDNSOffloadUserClient 1.0.1b8
com.apple.iokit.IONetworkingFamily 3.4
com.apple.iokit.IOSerialFamily 11
com.apple.driver.AppleSEPManager 1.0.1
com.apple.driver.AppleA7IOP 1.0.2
com.apple.driver.IOSlaveProcessor 1
com.apple.driver.AppleBiometricSensor 2
com.apple.iokit.IOHIDFamily 2.0.0
com.apple.AUC 1.0
com.apple.iokit.IOAVFamily 1.0.0
com.apple.iokit.IOHDCPFamily 1.0.0
com.apple.iokit.IOCECFamily 1
com.apple.iokit.IOAudio2Family 1.0
com.apple.driver.AppleEmbeddedAudioLibs 1.17
com.apple.driver.AppleFirmwareUpdateKext 1
com.apple.driver.AppleM2ScalerCSCDriver 265.0.0
com.apple.iokit.IOSurface 289.3
com.apple.driver.IODARTFamily 1
com.apple.security.quarantine 4
com.apple.security.sandbox 300.0
com.apple.kext.AppleMatch 1.0.0d1
com.apple.driver.AppleMobileFileIntegrity 1.0.5
com.apple.kext.CoreTrust 1
com.apple.security.AppleImage4 3.0.0
com.apple.iokit.IOCryptoAcceleratorFamily 1.0.1
com.apple.driver.AppleARMPlatform 1.0.2
com.apple.iokit.IOStorageFamily 2.1
com.apple.iokit.IOSlowAdaptiveClockingFamily 1.0.0
com.apple.iokit.IOReportFamily 47
com.apple.kec.pthread 1
com.apple.kec.corecrypto 1.0
com.apple.kec.Libm 1
** Stackshot Succeeded ** Bytes Traced 41591 (Uncompressed 147600) **
So what can you say... ****ing LOL.
Apple computers can't shutdown is moral of story.