anic(cpu 2 caller 0xffffff8022964a25): userspace watchdog timeout: no successful checkins from com.apple.WindowServer in 120 seconds
service: com.apple.logd, total successful checkins since wake (3640 seconds ago): 365, last successful checkin: 0 seconds ago
service: com.apple.WindowServer, total successful checkins since wake (3640 seconds ago): 353, last successful checkin: 120 seconds ago

Backtrace (CPU 2), Frame : Return Address
0xffffffa0d04e3670 : 0xffffff801f6bab4d 
0xffffffa0d04e36c0 : 0xffffff801f7fd7e3 
0xffffffa0d04e3700 : 0xffffff801f7ede1a 
0xffffffa0d04e3750 : 0xffffff801f65fa2f 
0xffffffa0d04e3770 : 0xffffff801f6ba3ed 
0xffffffa0d04e3890 : 0xffffff801f6ba6d8 
0xffffffa0d04e3900 : 0xffffff801febf004 
0xffffffa0d04e3970 : 0xffffff8022964a25 
0xffffffa0d04e3980 : 0xffffff8022964678 
0xffffffa0d04e39a0 : 0xffffff801fe4628e 
0xffffffa0d04e39f0 : 0xffffff8022963ab4 
0xffffffa0d04e3b20 : 0xffffff801fe5045b 
0xffffffa0d04e3c80 : 0xffffff801f7a8e51 
0xffffffa0d04e3d90 : 0xffffff801f6c0147 
0xffffffa0d04e3e00 : 0xffffff801f696905 
0xffffffa0d04e3e60 : 0xffffff801f6ae062 
0xffffffa0d04e3ef0 : 0xffffff801f7d1fc3 
0xffffffa0d04e3fa0 : 0xffffff801f660216 
      Kernel Extensions in backtrace:
         com.apple.driver.watchdog(1.0)[2C1307C5-FD71-3802-8D68-A67DB24BCB4A]@0xffffff8022963000->0xffffff8022964fff

Process name corresponding to current thread: watchdogd

Mac OS version:
20D91

Kernel version:
Darwin Kernel Version 20.3.0: Thu Jan 21 00:07:06 PST 2021; root:xnu-7195.81.3~1/RELEASE_X86_64
Kernel UUID: C86236B2-4976-3542-80CA-74A6B8B4BA03
KernelCache slide: 0x000000001f400000
KernelCache base:  0xffffff801f600000
Kernel slide:      0x000000001f410000
Kernel text base:  0xffffff801f610000
__HIB  text base: 0xffffff801f500000
System model name: iMac18,2 (Mac-77F17D7DA9285301)
System shutdown begun: NO
Panic diags file available: YES (0x0)
Hibernation exit count: 0

System uptime in nanoseconds: 38071898805417
Last Sleep:           absolute           base_tsc          base_nano
  Uptime  : 0x000022a04e0116fc
  Sleep   : 0x00001f5063583e37 0x000000009679fbfe 0x00001f446969dde8
  Wake    : 0x00001f5067d2642b 0x00000000966b223c 0x00001f5066b97c6a
last started kext at 34378912496785: >!UAudio	401.4 (addr 0xffffff7fbfb11000, size 307200)
last stopped kext at 34664316714636: >usb.!UUserHCI	1 (addr 0xffffff7fbff9f000, size 102400)
loaded kexts:
>!A!BMultitouch	99
@filesystems.smbfs	3.4.1
>!ATopCaseHIDEventDriver	4030.5
>AudioAUUC	1.70
@filesystems.autofs	3.0
@fileutil	20.036.15
>X86PlatformShim	1.0.0
>AGPM	119
>!APlatformEnabler	2.7.0d0
>!AUpstreamUserClient	3.6.8
@kext.AMDFramebuffer	4.0.2
@kext.AMDRadeonX4000	4.0.2
@kext.AMDRadeonServiceManager	4.0.2
>!ASMCLMU	212
>!AHDA	283.15
>!AGraphicsDevicePolicy	6.2.2
@AGDCPluginDisplayMetrics	6.2.2
>pmtelemetry	1
>LuaHardwareAccess	1.0.16
|IOUserEthernet	1.0.1
|IO!BSerialManager	8.0.3d9
@Dont_Steal_Mac_OS_X	7.0.0
>!AHV	1
>!ADiskImages2	1
>!A!IPCHPMC	2.0.1
>!A!IKBLGraphics	16.0.1
>eficheck	1
>!A!ISlowAdaptiveClocking	4.0.0
>!AGFXHDA	100.1.431
|Broadcom!B20703USBTransport	8.0.3d9
>!AMCCSControl	1.14
>!AThunderboltIP	4.0.3
@kext.AMD9500!C	4.0.2
>!A!IKBLGraphicsFramebuffer	16.0.1
@filesystems.tmpfs	1
@filesystems.hfs.kext	556.60.1
@BootCache	40
@!AFSCompression.!AFSCompressionTypeZlib	1.0.0
@!AFSCompression.!AFSCompressionTypeDataless	1.0.0d1
@filesystems.apfs	1677.81.1
|!ABCM5701Ethernet	11.0.0
>!ASDXC	1.9.0
>AirPort.BrcmNIC	1400.1.1
>!AAHCIPort	346
@private.KextAudit	1.0
>!AACPIButtons	6.1
>!ARTC	2.0
>!ASMBIOS	2.1
>!AACPIEC	6.1
>!AAPIC	1.7
@!ASystemPolicy	2.0.0
@nke.applicationfirewall	310
|IOKitRegistryCompatibility	1
|EndpointSecurity	1
>!AHIDKeyboard	223
>!AMultitouchDriver	4400.28
>!AInputDeviceSupport	4400.35
>!AHS!BDriver	4030.5
>IO!BHIDDriver	8.0.3d9
@kext.triggers	1.0
@kext.AMDRadeonX4200HWLibs	1.0
@kext.AMDRadeonX4000HWServices	4.0.2
>DspFuncLib	283.15
@kext.OSvKernDSPLib	529
>!AGraphicsControl	6.2.2
>X86PlatformPlugin	1.0.0
|IOSerial!F	11
|IOAVB!F	930.1
>IOPlatformPlugin!F	6.0.0d8
>!ASMBusPCI	1.0.14d1
@!AGPUWrangler	6.2.2
|IOSlowAdaptiveClocking!F	1.0.0
|Broadcom!BHost!CUSBTransport	8.0.3d9
|IO!BHost!CUSBTransport	8.0.3d9
|IO!BHost!CTransport	8.0.3d9
|IONDRVSupport	585
>!ASMBus!C	1.0.18d1
>!AHDA!C	283.15
|IOHDA!F	283.15
|IOAudio!F	300.6.1
@vecLib.kext	1.2.0
@kext.AMDSupport	4.0.2
|IOAccelerator!F2	439.52
@!AGraphicsDeviceControl	6.2.2
|IOGraphics!F	585
@plugin.IOgPTPPlugin	900.11
|IOEthernetAVB!C	1.1.0
>usb.networking	5.0.0
>usb.!UHostCompositeDevice	1.2
>!AThunderboltDPInAdapter	8.1.4
>!AThunderboltDPAdapter!F	8.1.4
>!AThunderboltPCIDownAdapter	4.1.1
>!AHPM	3.4.4
>!A!ILpssI2C!C	3.0.60
>!A!ILpssI2C	3.0.60
>!A!ILpssDmac	3.0.60
>!ABSDKextStarter	3
|IOSurface	289.3
@filesystems.hfs.encodings.kext	1
|IOAHCIBlock!S	332
>!AThunderboltNHI	7.2.8
|IOThunderbolt!F	9.3.2
|IO80211!F	1200.12.2b1
|IOSkywalk!F	1
>mDNSOffloadUserClient	1.0.1b8
>corecapture	1.0.4
>usb.!UXHCIPCI	1.2
>usb.!UXHCI	1.2
|IOAHCI!F	294
|IOUSB!F	900.4.2
>!AEFINVRAM	2.1
>!AEFIRuntime	2.1
|IOSMBus!F	1.1
|IOHID!F	2.0.0
$!AImage4	3.0.0
|IOTimeSync!F	900.11
|IONetworking!F	3.4
>DiskImages	493.0.0
|IO!B!F	8.0.3d9
|IOReport!F	47
|IO!BPacketLogger	8.0.3d9
$quarantine	4
$sandbox	300.0
@kext.!AMatch	1.0.0d1
|CoreAnalytics!F	1
>!ASSE	1.0
>!AKeyStore	2
>!UTDM	511.60.2
|IOUSBMass!SDriver	184.40.6
|IOSCSIBlockCommandsDevice	436.40.6
|IO!S!F	2.1
|IOSCSIArchitectureModel!F	436.40.6
>!AMobileFileIntegrity	1.0.5
@kext.CoreTrust	1
>!AFDEKeyStore	28.30
>!AEffaceable!S	1.0
>!ACredentialManager	1.0
>KernelRelayHost	1
|IOUSBHost!F	1.2
>!UHostMergeProperties	1.2
>usb.!UCommon	1.0
>!ABusPower!C	1.0
>!ASEPManager	1.0.1
>IOSlaveProcessor	1
>!AACPIPlatform	6.1
>!ASMC	3.1.9
|IOPCI!F	2.9
|IOACPI!F	1.4
>watchdog	1
@kec.pthread	1
@kec.corecrypto	11.1
@kec.Libm	1