panic(cpu 2 caller 0xffffff80209eb9fe): watchdog timeout: no checkins from watchdogd in 305 seconds (56 totalcheckins since monitoring last enabled), shutdown in progress
Backtrace (CPU 2), Frame : Return Address
0xffffffa0cb483c00 : 0xffffff801d68e02d 
0xffffffa0cb483c50 : 0xffffff801d7d48e3 
0xffffffa0cb483c90 : 0xffffff801d7c4eda 
0xffffffa0cb483ce0 : 0xffffff801d632a2f 
0xffffffa0cb483d00 : 0xffffff801d68d84d 
0xffffffa0cb483e20 : 0xffffff801d68db43 
0xffffffa0cb483e90 : 0xffffff801de9d6f4 
0xffffffa0cb483f00 : 0xffffff80209eb9fe 
0xffffffa0cb483f20 : 0xffffff80209eb2ec 
0xffffffa0cb483f50 : 0xffffff801ed5d65f 
0xffffffa0cb483fa0 : 0xffffff801d63213e 
      Kernel Extensions in backtrace:
         com.apple.driver.watchdog(1.0)[57B278ED-0B7C-3544-9CFE-53963BB1DAF3]@0xffffff80209e9000->0xffffff80209ebfff
         com.apple.driver.AppleSMC(3.1.9)[406AA67A-5111-3CA1-8C7A-A95B18AF6252]@0xffffff801ed4e000->0xffffff801ed66fff
            dependency: com.apple.driver.watchdog(1)[57B278ED-0B7C-3544-9CFE-53963BB1DAF3]@0xffffff80209e9000->0xffffff80209ebfff
            dependency: com.apple.iokit.IOACPIFamily(1.4)[0D13DDA8-F6FE-3649-A850-DE1D9BFF8CEF]@0xffffff801fc3a000->0xffffff801fc3bfff
            dependency: com.apple.iokit.IOPCIFamily(2.9)[B99B3B05-71B8-3178-8C27-E0A0ACA9F16E]@0xffffff802015f000->0xffffff8020187fff

Process name corresponding to current thread: kernel_task

Mac OS version:
20E241

Kernel version:
Darwin Kernel Version 20.4.0: Thu Apr 22 21:46:47 PDT 2021; root:xnu-7195.101.2~1/RELEASE_X86_64
Kernel UUID: 068F99A3-1DB3-31C0-87D5-09942F122BB6
KernelCache slide: 0x000000001d400000
KernelCache base:  0xffffff801d600000
Kernel slide:      0x000000001d410000
Kernel text base:  0xffffff801d610000
__HIB  text base: 0xffffff801d500000
System model name: iMac18,3 (Mac-BE088AF8C5EB4FA2)
System shutdown begun: YES
Panic diags file available: YES (0x0)
Hibernation exit count: 0

System uptime in nanoseconds: 850661363974
Last Sleep:           absolute           base_tsc          base_nano
  Uptime  : 0x000000c60f5e5ddc
  Sleep   : 0x0000000000000000 0x0000000000000000 0x0000000000000000
  Wake    : 0x0000000000000000 0x00000007cff4b9a7 0x0000000000000000
last started kext at 364474397450: @filesystems.afpfs	11.3 (addr 0xffffff7fb7583000, size 327680)
last stopped kext at 329224635692: >!ABacklightExpert	1.1.0 (addr 0xffffff7fb52e3000, size 8192)
loaded kexts:
@filesystems.afpfs	11.3
@nke.asp_tcp	8.2
>AudioAUUC	1.70
>!ATopCaseHIDEventDriver	4040.11
>!APlatformEnabler	2.7.0d0
>AGPM	122
>X86PlatformShim	1.0.0
@filesystems.autofs	3.0
>!AUpstreamUserClient	3.6.8
@kext.AMDFramebuffer	4.0.4
@fileutil	20.036.15
@kext.AMDRadeonServiceManager	4.0.4
@kext.AMDRadeonX4000	4.0.4
>!AGraphicsDevicePolicy	6.2.9
@AGDCPluginDisplayMetrics	6.2.9
>pmtelemetry	1
|IOUserEthernet	1.0.1
>usb.!UUserHCI	1
|IO!BSerialManager	8.0.4d18
@Dont_Steal_Mac_OS_X	7.0.0
>!AHV	1
>!ADiskImages2	1
>!AHDA	283.15
>eficheck	1
>!A!IKBLGraphics	16.0.2
|Broadcom!B20703USBTransport	8.0.4d18
>!AGFXHDA	100.1.433
@kext.AMD9500!C	4.0.4
>!A!ISlowAdaptiveClocking	4.0.0
>!ASMCLMU	212
>!A!IKBLGraphicsFramebuffer	16.0.2
>!A!IPCHPMC	2.0.1
>!AThunderboltIP	4.0.3
>!AMCCSControl	1.14
|IO!BUSBDFU	8.0.4d18
>!AFileSystemDriver	3.0.1
@filesystems.tmpfs	1
@filesystems.hfs.kext	556.100.11
@BootCache	40
@!AFSCompression.!AFSCompressionTypeZlib	1.0.0
@!AFSCompression.!AFSCompressionTypeDataless	1.0.0d1
@filesystems.apfs	1677.100.114
|!ABCM5701Ethernet	11.0.0
>!ASDXC	1.9.0
>AirPort.BrcmNIC	1400.1.1
>!AAHCIPort	346.100.2
@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	311
|IOKitRegistryCompatibility	1
|EndpointSecurity	1
$SecureRemotePassword	1.0
@plugin.IOAVBDiscoveryPlugin	940.4
>!AHIDKeyboard	224
>!AMultitouchDriver	4440.3
>!AInputDeviceSupport	4400.35
>!AHS!BDriver	4040.11
>IO!BHIDDriver	8.0.4d18
@kext.triggers	1.0
@kext.AMDRadeonX4200HWLibs	1.0
@kext.AMDRadeonX4000HWServices	4.0.4
>!AGraphicsControl	6.2.9
|IOSerial!F	11
|IOAVB!F	940.4
|IOEthernetAVB!C	1.1.0
>DspFuncLib	283.15
@kext.OSvKernDSPLib	529
|Broadcom!BHost!CUSBTransport	8.0.4d18
|IO!BHost!CUSBTransport	8.0.4d18
|IO!BHost!CTransport	8.0.4d18
@kext.AMDSupport	4.0.4
@plugin.IOgPTPPlugin	980.4
@!AGPUWrangler	6.2.9
|IOSlowAdaptiveClocking!F	1.0.0
|IOAccelerator!F2	442.9
>X86PlatformPlugin	1.0.0
>IOPlatformPlugin!F	6.0.0d8
>!ASMBusPCI	1.0.14d1
>!AThunderboltDPOutAdapter	8.1.4
>!AHDA!C	283.15
|IOHDA!F	283.15
|IOAudio!F	300.6.1
@vecLib.kext	1.2.0
@!AGraphicsDeviceControl	6.2.9
|IONDRVSupport	585.1
|IOGraphics!F	585.1
>!ASMBus!C	1.0.18d1
>usb.!UHub	1.2
>usb.IOUSBHostHIDDevice	1.2
>usb.cdc	5.0.0
>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!ILpssDmac	3.0.60
>!ABSDKextStarter	3
|IOSurface	290.7
@filesystems.hfs.encodings.kext	1
>!AXsanScheme	3
>!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
|IONVMe!F	2.1.0
>!A!ILpssI2C	3.0.60
>usb.!UHostPacketFilter	1.0
>!A!ILpssGspi	3.0.60
|IOUSB!F	900.4.2
|IOAHCI!F	294.100.1
>usb.!UXHCIPCI	1.2
>usb.!UXHCI	1.2
>!AEFINVRAM	2.1
>!AEFIRuntime	2.1
|IOSMBus!F	1.1
|IOHID!F	2.0.0
$!AImage4	3.0.0
|IOTimeSync!F	980.4
|IONetworking!F	3.4
>DiskImages	493.0.0
|IO!B!F	8.0.4d18
|IOReport!F	47
|IO!BPacketLogger	8.0.4d18
$quarantine	4
$sandbox	300.0
@kext.!AMatch	1.0.0d1
|CoreAnalytics!F	1
>!ASSE	1.0
>!AKeyStore	2
>!UTDM	511.101.1
|IOUSBMass!SDriver	184.101.1
|IOSCSIBlockCommandsDevice	436.100.4
|IO!S!F	2.1
|IOSCSIArchitectureModel!F	436.100.4
>!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