My iMac crashed today the Nth time. I'm not sure why and how this is happening and I'd love some help or next steps. Usually it was happening while I was using it but today it crashed just after I logged in from sleep. Any tips on how to debug this?
panic(cpu 1 caller 0xffffff801aff9a25): userspace watchdog timeout: no successful checkins from com.apple.logd in 120 seconds
service returned not alive with context : unresponsive dispatch queue(s): com.apple.firehose.io-wl
service: com.apple.logd, total successful checkins since wake (120 seconds ago): 1, last successful checkin: 120 seconds ago
service: com.apple.WindowServer, total successful checkins since wake (120 seconds ago): 2, last successful checkin: 110 seconds ago
Backtrace (CPU 1), Frame : Return Address
0xffffffa13757b670 : 0xffffff8017c8e0dd
0xffffffa13757b6c0 : 0xffffff8017dd4f33
0xffffffa13757b700 : 0xffffff8017dc552a
0xffffffa13757b750 : 0xffffff8017c32a2f
0xffffffa13757b770 : 0xffffff8017c8d8fd
0xffffffa13757b890 : 0xffffff8017c8dbf3
0xffffffa13757b900 : 0xffffff801849d884
0xffffffa13757b970 : 0xffffff801aff9a25
0xffffffa13757b980 : 0xffffff801aff9660
0xffffffa13757b9a0 : 0xffffff801841e13e
0xffffffa13757b9f0 : 0xffffff801aff8a34
0xffffffa13757bb20 : 0xffffff801842837b
0xffffffa13757bc80 : 0xffffff8017d80961
0xffffffa13757bd90 : 0xffffff8017c9375d
0xffffffa13757be00 : 0xffffff8017c69cf5
0xffffffa13757be60 : 0xffffff8017c81312
0xffffffa13757bef0 : 0xffffff8017da982d
0xffffffa13757bfa0 : 0xffffff8017c33216
Kernel Extensions in backtrace:
com.apple.driver.watchdog(1.0)[C29AFC04-7113-39AA-80DF-00F4DDAD0F46]@0xffffff801aff7000->0xffffff801aff9fff
Process name corresponding to current thread: watchdogd
Mac OS version:
20F71
Kernel version:
Darwin Kernel Version 20.5.0: Sat May 8 05:10:33 PDT 2021; root:xnu-7195.121.3~9/RELEASE_X86_64
Kernel UUID: 52A1E876-863E-38E3-AC80-09BBAB13B752
KernelCache slide: 0x0000000017a00000
KernelCache base: 0xffffff8017c00000
Kernel slide: 0x0000000017a10000
Kernel text base: 0xffffff8017c10000
__HIB text base: 0xffffff8017b00000
System model name: iMac18,3 (Mac-BE088AF8C5EB4FA2)
System shutdown begun: NO
Panic diags file available: YES (0x0)
Hibernation exit count: 0
System uptime in nanoseconds: 438271287022502
Last Sleep: absolute base_tsc base_nano
Uptime : 0x00018e9afc60d5f1
Sleep : 0x00018a6ad4a90c41 0x00000000adcb7fbe 0x00018a350ba3bb24
Wake : 0x00018a6ad9578078 0x00000000ae4b5bdc 0x00018a6ad842f370
last started kext at 337525683763293: @filesystems.msdosfs 1.10 (addr 0xffffff7fb34ad000, size 57344)
last stopped kext at 433749007510186: >!UAudio 405.39 (addr 0xffffff7fb27a6000, size 315392)
loaded kexts:
>!UTopCaseDriver 4050.1
@filesystems.smbfs 3.6
>!ATopCaseHIDEventDriver 4050.1
@fileutil 20.036.15
@filesystems.autofs 3.0
>AudioAUUC 1.70
>AGPM 122.1
>!APlatformEnabler 2.7.0d0
>X86PlatformShim 1.0.0
>!AUpstreamUserClient 3.6.8
@kext.AMDFramebuffer 4.0.5
@kext.AMDRadeonX4000 4.0.5
@kext.AMDRadeonServiceManager 4.0.5
>!AHDA 283.15
@kext.AMD9500!C 4.0.5
>eficheck 1
>!A!IKBLGraphics 16.0.4
>!A!IKBLGraphicsFramebuffer 16.0.4
>!AGraphicsDevicePolicy 6.3.3
@AGDCPluginDisplayMetrics 6.3.3
>pmtelemetry 1
|IOUserEthernet 1.0.1
>usb.!UUserHCI 1
|IO!BSerialManager 8.0.5d7
@Dont_Steal_Mac_OS_X 7.0.0
>!AHV 1
>!ADiskImages2 1
>!AGFXHDA 100.1.433
>!A!IPCHPMC 2.0.1
>!AThunderboltIP 4.0.3
>!A!ISlowAdaptiveClocking 4.0.0
|Broadcom!B20703USBTransport 8.0.5d7
>!ASMCLMU 212
>!AMCCSControl 1.14
>Core!SFsck 554
|SCSITaskUserClient 436.121.1
|IO!BUSBDFU 8.0.5d7
>!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 1677.120.9
>!ASDXC 1.9.0
|!ABCM5701Ethernet 11.0.0
>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
>usb.cdc.ecm 5.0.0
>usb.cdc.ncm 5.0.0
>!UMergeNub 900.4.2
>usb.!UHub 1.2
>!AHIDKeyboard 224
>!AMultitouchDriver 4440.3
>!AInputDeviceSupport 4400.35
>!AHS!BDriver 4050.1
>IO!BHIDDriver 8.0.5d7
@kext.triggers 1.0
@kext.AMDRadeonX4200HWLibs 1.0
@kext.AMDRadeonX4000HWServices 4.0.5
>DspFuncLib 283.15
@kext.OSvKernDSPLib 529
@kext.AMDSupport 4.0.5
|IOAccelerator!F2 442.9
>!AGraphicsControl 6.3.3
>!ASMBusPCI 1.0.14d1
|IOSerial!F 11
|IOAVB!F 940.4
@plugin.IOgPTPPlugin 985.2
|IOEthernetAVB!C 1.1.0
>X86PlatformPlugin 1.0.0
>!AHDA!C 283.15
|IOHDA!F 283.15
>IOPlatformPlugin!F 6.0.0d8
>!AThunderboltDPOutAdapter 8.1.4
|IOAudio!F 300.6.1
@vecLib.kext 1.2.0
@!AGPUWrangler 6.3.3
@!AGraphicsDeviceControl 6.3.3
|IOSlowAdaptiveClocking!F 1.0.0
|Broadcom!BHost!CUSBTransport 8.0.5d7
|IO!BHost!CUSBTransport 8.0.5d7
|IO!BHost!CTransport 8.0.5d7
|IONDRVSupport 585.1
|IOGraphics!F 585.1
>!ASMBus!C 1.0.18d1
>Core!S 554
>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 290.8.1
@filesystems.hfs.encodings.kext 1
>!AXsanScheme 3
|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
|IONVMe!F 2.1.0
>!A!ILpssI2C 3.0.60
>usb.!UHostPacketFilter 1.0
|IOUSB!F 900.4.2
|IOAHCI!F 294.100.1
>!A!ILpssGspi 3.0.60
>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 985.2
|IONetworking!F 3.4
>DiskImages 493.0.0
|IO!B!F 8.0.5d7
|IOReport!F 47
|IO!BPacketLogger 8.0.5d7
$quarantine 4
$sandbox 300.0
@kext.!AMatch 1.0.0d1
|CoreAnalytics!F 1
>!ASSE 1.0
>!AKeyStore 2
>!UTDM 511.120.2
|IOUSBMass!SDriver 184.121.1
|IOSCSIBlockCommandsDevice 436.121.1
|IO!S!F 2.1
|IOSCSIArchitectureModel!F 436.121.1
>!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