panic(cpu 2 caller 0xffffff7f8fb4dad5): userspace watchdog timeout: no successful checkins from com.apple.WindowServer in 120 seconds

service: com.apple.logd, total successful checkins since load (27960 seconds ago): 2797, last successful checkin: 0 seconds ago

service: com.apple.WindowServer, total successful checkins since load (27930 seconds ago): 2781, last successful checkin: 120 seconds ago



Backtrace (CPU 2), Frame : Return Address

0xffffff914b8f3720 : 0xffffff800e91c63d 

0xffffff914b8f3770 : 0xffffff800ea56b25 

0xffffff914b8f37b0 : 0xffffff800ea486ae 

0xffffff914b8f3800 : 0xffffff800e8c2a40 

0xffffff914b8f3820 : 0xffffff800e91bd07 

0xffffff914b8f3920 : 0xffffff800e91c0f7 

0xffffff914b8f3970 : 0xffffff800f0c0ba8 

0xffffff914b8f39e0 : 0xffffff7f8fb4dad5 

0xffffff914b8f39f0 : 0xffffff7f8fb4d7fa 

0xffffff914b8f3a10 : 0xffffff800f052a4e 

0xffffff914b8f3a60 : 0xffffff7f8fb4ccfe 

0xffffff914b8f3b60 : 0xffffff800f05bc73 

0xffffff914b8f3ca0 : 0xffffff800ea05622 

0xffffff914b8f3db0 : 0xffffff800e9223a8 

0xffffff914b8f3e10 : 0xffffff800e8f8d35 

0xffffff914b8f3e70 : 0xffffff800e90fb02 

0xffffff914b8f3f00 : 0xffffff800ea2e0a5 

0xffffff914b8f3fa0 : 0xffffff800e8c3226 

      Kernel Extensions in backtrace:

         com.apple.driver.watchdog(1.0)[6269905F-7EFE-30D3-AB0F-68AF13BC33E7]@0xffffff7f8fb4c000->0xffffff7f8fb54fff



BSD process name corresponding to current thread: watchdogd



Mac OS version:

19H1217



Kernel version:

Darwin Kernel Version 19.6.0: Thu May  6 00:48:39 PDT 2021; root:xnu-6153.141.33~1/RELEASE_X86_64

Kernel UUID: 0B6CD26B-B526-3646-9B69-02D22BBE9C52

Kernel slide:     0x000000000e600000

Kernel text base: 0xffffff800e800000

__HIB  text base: 0xffffff800e700000

System model name: iMac18,3 (Mac-BE088AF8C5EB4FA2)

System shutdown begun: NO

Panic diags file available: YES (0x0)



System uptime in nanoseconds: 27967112116452

last loaded kext at 39989079933: >!A!BMultitouch	97 (addr 0xffffff7f92771000, size 57344)

last unloaded kext at 5513540109726: >usb.!UHostPacketFilter	1.0 (addr 0xffffff7f90060000, size 24576)

loaded kexts:

com.Cycling74.driver.Soundflower	2

>!A!BMultitouch	97

@fileutil	20.036.15

>!APlatformEnabler	2.7.0d0

>AGPM	111.4.4

>X86PlatformShim	1.0.0

@filesystems.autofs	3.0

>!AHDA	283.15

@kext.AMDRadeonServiceManager	3.1.0

>!AUpstreamUserClient	3.6.8

@kext.AMDFramebuffer	3.1.0

@kext.AMDRadeonX4000	3.1.0

>!A!IKBLGraphics	14.0.7

>!A!IPCHPMC	2.0.1

>!AGFXHDA	100.1.429

|Broadcom!B20703USBTransport	7.0.6f8

>eficheck	1

>!AGraphicsDevicePolicy	5.2.7

>!ASMCLMU	212

>AudioAUUC	1.70

@AGDCPluginDisplayMetrics	5.2.7

>!AHV	1

|IOUserEthernet	1.0.1

|IO!BSerialManager	7.0.6f8

>pmtelemetry	1

@Dont_Steal_Mac_OS_X	7.0.0

>!A!IKBLGraphicsFramebuffer	14.0.7

>!A!ISlowAdaptiveClocking	4.0.0

>!AMCCSControl	1.14

>!AThunderboltIP	3.1.4

@kext.AMD9500!C	3.1.0

>!AVirtIO	1.0

@filesystems.hfs.kext	522.100.5

@!AFSCompression.!AFSCompressionTypeDataless	1.0.0d1

@BootCache	40

@!AFSCompression.!AFSCompressionTypeZlib	1.0.0

@filesystems.apfs	1412.141.2

>!ASDXC	1.7.7

|!ABCM5701Ethernet	10.3.5

>AirPort.BrcmNIC	1400.1.1

@private.KextAudit	1.0

>!AAHCIPort	341.140.1

>!AACPIButtons	6.1

>!ARTC	2.0

>!ASMBIOS	2.1

>!AACPIEC	6.1

>!AAPIC	1.7

$!AImage4	1

@nke.applicationfirewall	303

$TMSafetyNet	8

@!ASystemPolicy	2.0.0

|EndpointSecurity	1

>!AMultitouchDriver	3440.1

>!AInputDeviceSupport	3440.8

>!A!BHIDKeyboard	209

>IO!BHIDDriver	7.0.6f8

>!AHIDKeyboard	209

@kext.triggers	1.0

>DspFuncLib	283.15

@kext.OSvKernDSPLib	529

@kext.AMDRadeonX4200HWLibs	1.0

@kext.AMDRadeonX4000HWServices	3.1.0

|Broadcom!BHost!CUSBTransport	7.0.6f8

|IO!BHost!CUSBTransport	7.0.6f8

|IO!BHost!CTransport	7.0.6f8

>!AGraphicsControl	5.2.7

|IONDRVSupport	576.1

|IOAVB!F	850.1

|IO!B!F	7.0.6f8

|IO!BPacketLogger	7.0.6f8

>!AHDA!C	283.15

|IOHDA!F	283.15

|IOAccelerator!F2	438.7.4

@!AGPUWrangler	5.2.7

|IOSlowAdaptiveClocking!F	1.0.0

>!ASMBus!C	1.0.18d1

>X86PlatformPlugin	1.0.0

>IOPlatformPlugin!F	6.0.0d8

>!ASMBusPCI	1.0.14d1

@kext.AMDSupport	3.1.0

@!AGraphicsDeviceControl	5.2.7

|IOGraphics!F	576.1

@plugin.IOgPTPPlugin	840.3

>!UAudio	323.4

>usb.networking	5.0.0

>usb.!UHostCompositeDevice	1.2

|IOAudio!F	300.2

@vecLib.kext	1.2.0

|IOSerial!F	11

|IOSurface	269.11

@filesystems.hfs.encodings.kext	1

>!AThunderboltDPInAdapter	6.2.6

>!AThunderboltDPAdapter!F	6.2.6

>!AThunderboltPCIDownAdapter	2.5.4

>!AHPM	3.4.4

>!A!ILpssI2C!C	3.0.60

>!A!ILpssDmac	3.0.60

|IOAHCIBlock!S	316.100.5

>!AThunderboltNHI	5.8.6

|IOThunderbolt!F	7.6.1

|IOEthernetAVB!C	1.1.0

|IO80211!F	1200.12.2b1

>mDNSOffloadUserClient	1.0.1b8

>corecapture	1.0.4

|IOSkywalk!F	1

|IONVMe!F	2.1.0

>!A!ILpssI2C	3.0.60

|IOAHCI!F	290.0.1

>usb.!UXHCIPCI	1.2

>usb.!UXHCI	1.2

|IOUSB!F	900.4.2

>!AEFINVRAM	2.1

>!AEFIRuntime	2.1

|IOSMBus!F	1.1

|IOHID!F	2.0.0

$quarantine	4

$sandbox	300.0

@kext.!AMatch	1.0.0d1

>DiskImages	493.0.0

>!AFDEKeyStore	28.30

>!AEffaceable!S	1.0

>!ASSE	1.0

>!AKeyStore	2

>!UTDM	489.120.1

|IOSCSIBlockCommandsDevice	422.120.3

>!ACredentialManager	1.0

>KernelRelayHost	1

>!ASEPManager	1.0.1

>IOSlaveProcessor	1

|IOUSBMass!SDriver	157.140.1

|IOSCSIArchitectureModel!F	422.120.3

|IO!S!F	2.1

|IOUSBHost!F	1.2

>!UHostMergeProperties	1.2

>usb.!UCommon	1.0

>!ABusPower!C	1.0

|CoreAnalytics!F	1

>!AMobileFileIntegrity	1.0.5

@kext.CoreTrust	1

|IOTimeSync!F	840.3

|IONetworking!F	3.4

|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