panic(cpu 2 caller 0xffffff7f8e59dad5): userspace watchdog timeout: no successful checkins from com.apple.WindowServer in 120 seconds service: com.apple.logd, total successful checkins since wake (6270 seconds ago): 628, last successful checkin: 0 seconds ago service: com.apple.WindowServer, total successful checkins since wake (6270 seconds ago): 616, last successful checkin: 120 seconds ago Backtrace (CPU 2), Frame : Return Address 0xffffffa3f702b820 : 0xffffff800db3bb2b 0xffffffa3f702b870 : 0xffffff800dc734d5 0xffffffa3f702b8b0 : 0xffffff800dc64f4e 0xffffffa3f702b900 : 0xffffff800dae2a40 0xffffffa3f702b920 : 0xffffff800db3b217 0xffffffa3f702ba20 : 0xffffff800db3b5fb 0xffffffa3f702ba70 : 0xffffff800e2d2b25 0xffffffa3f702bae0 : 0xffffff7f8e59dad5 0xffffffa3f702baf0 : 0xffffff7f8e59d7e6 0xffffffa3f702bb10 : 0xffffff800e26739b 0xffffffa3f702bb60 : 0xffffff800e270443 0xffffffa3f702bca0 : 0xffffff800dc22d12 0xffffffa3f702bdb0 : 0xffffff800db419d8 0xffffffa3f702be10 : 0xffffff800db18635 0xffffffa3f702be70 : 0xffffff800db2f0e5 0xffffffa3f702bf00 : 0xffffff800dc4b575 0xffffffa3f702bfa0 : 0xffffff800dae3226 Kernel Extensions in backtrace: com.apple.driver.watchdog(1.0)[053A5D15-51D4-3E61-978B-EB435FA4BD0A]@0xffffff7f8e59c000->0xffffff7f8e5a4fff BSD process name corresponding to current thread: watchdogd Boot args: chunklist-security-epoch=0 -chunklist-no-rev2-dev Mac OS version: 19D76 Kernel version: Darwin Kernel Version 19.3.0: Thu Jan 9 20:58:23 PST 2020; root:xnu-6153.81.5~1/RELEASE_X86_64 Kernel UUID: A8DDE75C-CD97-3C37-B35D-1070CC50D2CE Kernel slide: 0x000000000d800000 Kernel text base: 0xffffff800da00000 __HIB text base: 0xffffff800d900000 System model name: MacBookPro16,1 (Mac-E1008331FDC96864) System shutdown begun: NO System uptime in nanoseconds: 7930018828080 last loaded kext at 1759630158517: @filesystems.smbfs 3.4.1 (addr 0xffffff7f94ed3000, size 446464) last unloaded kext at 7818752504499: >usb.!UHostPacketFilter 1.0 (addr 0xffffff7f903ea000, size 24576) loaded kexts: @filesystems.smbfs 3.4.1 @filesystems.exfat 1.4 |SCSITaskUserClient 422.0.2 @kext.AMDRadeonX6000 3.0.5 @kext.AMDRadeonServiceManager 3.0.5 >!AGraphicsDevicePolicy 4.7.2 @fileutil 20.036.15 @AGDCPluginDisplayMetrics 4.7.2 >!AHV 1 |IOUserEthernet 1.0.1 |IO!BSerialManager 7.0.3f5 >AGPM 111.4.2 >!APlatformEnabler 2.7.0d0 >X86PlatformShim 1.0.0 >pmtelemetry 1 >!AUpstreamUserClient 3.6.8 >AGDCBacklightControl 4.7.2 @Dont_Steal_Mac_OS_X 7.0.0 >!A!IKBLGraphics 14.0.4 >!AThunderboltIP 3.1.3 >BridgeAudioCommunication 6.66 >!AHIDALSService 1 >!ATopCaseHIDEventDriver 3430.1 >!AMCCSControl 1.13 >!A!ISlowAdaptiveClocking 4.0.0 >!ABridgeAudio!C 6.66 >!AMuxControl2 4.7.2 >!AGFXHDA 100.1.424 >!A!IPCHPMC 2.0.1 >!A!ICFLGraphicsFramebuffer 14.0.4 >!AAVEBridge 6.1 @filesystems.autofs 3.0 >BCMWLANFirmware4355.Hashstore 1 >BCMWLANFirmware4364.Hashstore 1 >BCMWLANFirmware4377.Hashstore 1 >!ABCMWLANBusInterfacePCIe 1 @filesystems.hfs.kext 522.0.9 @BootCache 40 @!AFSCompression.!AFSCompressionTypeDataless 1.0.0d1 @!AFSCompression.!AFSCompressionTypeZlib 1.0.0 >!AVirtIO 1.0 @filesystems.apfs 1412.81.1 @private.KextAudit 1.0 >!ASmartBatteryManager 161.0.0 >!AACPIButtons 6.1 >!ASMBIOS 2.1 >!AACPIEC 6.1 >!AAPIC 1.7 $!AImage4 1 @nke.applicationfirewall 303 $TMSafetyNet 8 @!ASystemPolicy 2.0.0 |EndpointSecurity 1 @kext.AMDRadeonX6100HWLibs 1.0 @kext.AMDRadeonX6000HWServices 3.0.5 |IOAVB!F 800.17 >!ASSE 1.0 @kext.AMDRadeonX6000Framebuffer 3.0.5 >!ABacklightExpert 1.1.0 @!AGPUWrangler 4.7.2 >!AActuatorDriver 3430.1 >!AHIDKeyboard 209 >!AHS!BDriver 3430.1 >IO!BHIDDriver 7.0.3f5 >!AMultitouchDriver 3430.1 >!AInputDeviceSupport 3430.1 @kext.AMDSupport 3.0.5 >X86PlatformPlugin 1.0.0 >!ASMBus!C 1.0.18d1 |IOSlowAdaptiveClocking!F 1.0.0 >!AGraphicsControl 4.7.2 |IONDRVSupport 569.4 |IO!BHost!CUARTTransport 7.0.3f5 |IO!BHost!CTransport 7.0.3f5 >!A!ILpssUARTv1 3.0.60 >!A!ILpssUARTCommon 3.0.60 >!AOnboardSerial 1.0 >IOPlatformPlugin!F 6.0.0d8 @!AGraphicsDeviceControl 4.7.2 |IOAccelerator!F2 438.3.1 |IOGraphics!F 569.4 @plugin.IOgPTPPlugin 810.1 |IOEthernetAVB!C 1.1.0 @kext.triggers 1.0 >usb.cdc.ncm 5.0.0 >usb.cdc 5.0.0 >usb.networking 5.0.0 >usb.!UHostCompositeDevice 1.2 >!ABCMWLANCore 1.0.0 >mDNSOffloadUserClient 1.0.1b8 >IOImageLoader 1.0.0 |IO80211!FV2 1200.12.2b1 >corecapture 1.0.4 |IOSkywalk!F 1 |IOSurface 269.6 @filesystems.hfs.encodings.kext 1 |IOAudio!F 300.2 @vecLib.kext 1.2.0 |IOSerial!F 11 >usb.!UVHCIBCE 1.2 >usb.!UVHCI 1.2 >usb.!UVHCICommonBCE 1.0 >usb.!UVHCICommon 1.0 >!AEffaceableNOR 1.0 |IOBufferCopy!C 1.1.0 |IOBufferCopyEngine!F 1 |IONVMe!F 2.1.0 >!AThunderboltPCIDownAdapter 2.5.4 >!AThunderboltDPInAdapter 6.2.5 >!AThunderboltDPAdapter!F 6.2.5 >!AHPM 3.4.4 >!A!ILpssI2C!C 3.0.60 >!A!ILpssDmac 3.0.60 >!A!ILpssI2C 3.0.60 >!AThunderboltNHI 5.8.6 |IOThunderbolt!F 7.6.0 |IOUSB!F 900.4.2 >usb.!UXHCIPCI 1.2 >usb.!UXHCI 1.2 >!AEFINVRAM 2.1 >!AEFIRuntime 2.1 >!ASMCRTC 1.0 |IOSMBus!F 1.1 |IOHID!F 2.0.0 $quarantine 4 $sandbox 300.0 @kext.!AMatch 1.0.0d1 >!AKeyStore 2 >!UTDM 489.80.2 |IOSCSIBlockCommandsDevice 422.0.2 >!ACredentialManager 1.0 >KernelRelayHost 1 >!ASEPManager 1.0.1 >IOSlaveProcessor 1 >!AFDEKeyStore 28.30 >!AEffaceable!S 1.0 >!AMobileFileIntegrity 1.0.5 @kext.CoreTrust 1 |CoreAnalytics!F 1 |IOTimeSync!F 810.1 |IONetworking!F 3.4 >DiskImages 493.0.0 |IO!B!F 7.0.3f5 |IO!BPacketLogger 7.0.3f5 |IOUSBMass!SDriver 157.40.7 |IOSCSIArchitectureModel!F 422.0.2 |IO!S!F 2.1 |IOUSBHost!F 1.2 >usb.!UCommon 1.0 >!UHostMergeProperties 1.2 >!ABusPower!C 1.0 |IOReport!F 47 >!AACPIPlatform 6.1 >!ASMC 3.1.9 >watchdog 1 |IOPCI!F 2.9 |IOACPI!F 1.4 @kec.pthread 1 @kec.corecrypto 1.0 @kec.Libm 1