Constant Kernel Panics – userspace watchdog timeout: no successful checkins from com.apple.WindowServer

[Taz Mangus]

Maybe try doing a SMC reset and see if that helps: https://support.apple.com/en-us/HT201295.

Another thing to try is applying the 10.15.4 combo update: https://support.apple.com/kb/DL2037?locale=en_US.

The SMC reset did seem to help some people in this thread: https://forums.macrumors.com/threads/two-crashes-since-upgrade-to-macos-10-15-4.2228132/.

 

[WiLLGT09]

Hmm, I've done an SMC reset yesterday, and apparently that didn't fix it for my case.

Earlier this evening, I also tried installing the 10.15.4 Combo Update. It did its thing, all seemed fine, and I set the Mac back to Sleep ( Menu > Sleep). I come back, like at least an hour or so later, to see that my Mac has rebooted on its own once again. I see the error message that "Your Mac has restarted because of a problem" but when I click Report, the window disappears. And I don't find a corresponding Crash Report or panic log in Console for some reason (odd).

So... not sure what's up. I still think this is likely some crappy bug introduced to 10.15.4.

 

[whitezo]

Registered just to confirm: none of the SMC/NVRAM/etc resets help. My 2015 macbook pro has been hit hard with this (restarts quite often). My (work) 2017 one seemed immune... until today when I also found it restarted in the morning.
Pretty sure it started in the recent days, which coincides with the latest macOS update the days before on both machines.
I've managed to report it a couple of times.
Latest example:

panic(cpu 0 caller 0xffffff8011891b2c): Sleep transition timed out after 180 seconds while notifying clients about upcoming system capability changes. Suspected bundle: com.apple.driver.AppleACPIPlatform. Thread 0x74.

 

[outlawrock]

I had these hard hangs once or more per day running 10.15.4 (all flavors of beta and final release).
Installed 10.15.5 beta 1 yesterday, and so far no hangs. Early times buy hopeful.

 

[star-affinity]

So... not sure what's up. I still think this is likely some crappy bug introduced to 10.15.4.

It has been there before 10.15.4, but interestingly it seems not everyone (all hardware configurations?) has been affected.

Great to hear 10.15.5 beta 1 is stable so far @outlawrock! Reports has been given to Apple for quite some time, so I think they will eventually deal with it – maybe 10.15.5 is it.

 

[nudgeee]

So Apple has made the problem worse for me in 10.15.4 as now the computer no longer automatically reboots (it used to in 10.15.3), it just hangs and i need to force reset, but it does not trigger the 'report a system error' dialog on the next boot. Makes it more difficult to report issues to Apple

 

[Kier-XF]

Brand new MBP 16 i9, exact same issue with a totally stock software config. Have done a total OS restore (wiping the SSD in the process) and the problem remains. Very frustrating.

 

[Taz Mangus]

Brand new MBP 16 i9, exact same issue with a totally stock software config. Have done a total OS restore (wiping the SSD in the process) and the problem remains. Very frustrating.

I noticed in the crash log that SMB key text is being loaded. Are you connecting to a device over SMB. If so, maybe stop using that and see if the issue stops. Maybe also try a SMC and PRAM reset as well.

 

[Kier-XF]

I noticed in the crash log that SMB key text is being loaded. Are you connecting to a device over SMB. If so, maybe stop using that and see if the issue stops. Maybe also try a SMC and PRAM reset as well.

The MBP is asleep now with no SMB connections active. I’ll report back in the morning if that had any effect.

WRT SMC and PRAM resets, I’ve already tried those, and a complete system restore after formatting the SSD, none of which resolved the problem unfortunately.

 

[Taz Mangus]

The MBP is asleep now with no SMB connections active. I’ll report back in the morning if that had any effect.

WRT SMC and PRAM resets, I’ve already tried those, and a complete system restore after formatting the SSD, none of which resolved the problem unfortunately.

I assume by your reply that you were using a SMB connection with the iMac. Was that also the case with the MacBook?

 

[Kier-XF]

I assume by your reply that you were using a SMB connection with the iMac. Was that also the case with the MacBook?

Yes, there are lots of shared resources on the local network here, SMB shares are a plenty, though the software suite and use patterns on the MBP16 aren’t different from the other machines (including iMac, iMac Pro, Mac mini, Mbp15 and others) in use here, and none of them crash during sleep.

 

[MikeNielsen]

I've started seeing the same thing, although not very frequently. I normally have my MacBook Pro 16" connected with a Caldigit TS3+ Dock and a LG UltraFine 5k (a cable on each side, not daisy chained). I'm running on the latest Catalina release 10.15.4. I use my MBP a lot at my desk, where it sits on a stand. I leave it there with the lid open (2 screen setup with the LG) and it goes to sleep after a while.

So, 4-5 days ago after seeing another crash I reached out to Caldigit support about out and they acknowledge that they had narrowed down on the problem which was relating to Sleep in Catalina. They said that Apple needed to fix this and that they had now also acknowledge the problem. A fix is said to be 2 months away according to their support team.

Alright, so I decided to take off my Caldigit dock and try running some days without it. This has resulted in now daily kernel panics, sometimes timeout waiting for WindowServer like OP other times IOKit errors.

I've today decided to take off my UltraFine 5K screen and just run with a power cable connected to the MBP to test if this somehow makes it better.

It is very frustrating and I just wanted to share my experience here

 

[gnasher729]

Bets are that you have a hardware problem, which can be diagnosed at an Apple Store (but not right now) and if that is the case, can be fixed at an Apple Store (but not right now).

It suddenly started about a week ago. Every time I leave my 2019 iMac alone for a few minutes (maybe ten or so) it freezes and then restarts. However, it never happens during the time I use it.

There are many threads online about this issue, but no solution yet.

Had exactly those symptoms years ago when a dealer sold my company ****** RAM. They same may happen if your RAM is defective.

 

[Kier-XF]

The fact that this problem suddenly seems to be very widespread suggests to me a software issue in recent versions of the OS itself, or surely those with 2019 hardware would have started complaining long ago?

 

[Rajkumar Chandrasekaran]

I am seeing this on my MBP 15'' for the past 2 - 3 weeks and the pity is that - i cannot take it to the apple support due to the whole lockdown in effect. Attaching herewith my crash log for your reference.

I am connected to a small 14'' monitor since it is a home office setup.

Can someone please confirm if the update to 10.15.5 is going to solve this issue?

Thanks
Rajkumar

 

[star-affinity]

Bets are that you have a hardware problem, which can be diagnosed at an Apple Store (but not right now) and if that is the case, can be fixed at an Apple Store (but not right now).

Had exactly those symptoms years ago when a dealer sold my company ****** RAM. They same may happen if your RAM is defective.

Pretty sure this isn't a hardware problem. Many different systems showing similar Kernel Panics and it didn't happen pre Catalina.

 

[hifismith]

Same issue here

panic(cpu 2 caller 0xffffff7f8f45ba8d): watchdog timeout: no checkins from watchdogd in 96 seconds (227 total checkins since monitoring last enabled)
Backtrace (CPU 2), Frame : Return Address
0xffffff81fef13c40 : 0xffffff800e3215cd
...
0xffffff81fef13fa0 : 0xffffff800e2c713e
      Kernel Extensions in backtrace:
         com.apple.driver.watchdog(1.0)[99A75EFF-7734-31A0-80BF-FF8288E30D9B]@0xffffff7f8f45a000->0xffffff7f8f462fff
         com.apple.driver.AppleSMC(3.1.9)[601E041E-0A5C-3B6A-A4E6-45ECC7F48A2B]@0xffffff7f8f463000->0xffffff7f8f481fff
            dependency: com.apple.iokit.IOACPIFamily(1.4)[9D1FF279-C4A2-3344-902F-E0B22B508689]@0xffffff7f8f451000
            dependency: com.apple.driver.watchdog(1)[99A75EFF-7734-31A0-80BF-FF8288E30D9B]@0xffffff7f8f45a000
            dependency: com.apple.iokit.IOPCIFamily(2.9)[1B1F3BBB-9212-3CF9-94F8-8FEF0D3ACEC4]@0xffffff7f8ed31000

BSD process name corresponding to current thread: kernel_task

Mac OS version:
19E266

 

[monstermac77]

Registered just to confirm: none of the SMC/NVRAM/etc resets help. My 2015 macbook pro has been hit hard with this (restarts quite often). My (work) 2017 one seemed immune... until today when I also found it restarted in the morning.
Pretty sure it started in the recent days, which coincides with the latest macOS update the days before on both machines.

Appreciate you registering to let us know, especially that this is affecting 2015's and 2017's as well.
[automerge]1586211685[/automerge]

I noticed in the crash log that SMB key text is being loaded. Are you connecting to a device over SMB. If so, maybe stop using that and see if the issue stops. Maybe also try a SMC and PRAM reset as well.

This is an interesting idea, that maybe it's devices over the network that, combined with Catalina, are causing crashes. That said, I've had this issue occur to me on 4 different networks, some of which do not have any SMB devices.

 

[macprouser2121]

same problem here. New MacBook Pro running Catalina 10.15.4. no funky settings/software:

panic(cpu 2 caller 0xffffff7f8bda0ad5): userspace watchdog timeout: no successful checkins from com.apple.WindowServer since wake
service: com.apple.logd, total successful checkins since wake (120 seconds ago): 13, last successful checkin: 0 seconds ago
service: com.apple.WindowServer, no successful checkins since wake (120 seconds ago)

Backtrace (CPU 2), Frame : Return Address
0xffffff920835b720 : 0xffffff800b3215cd
0xffffff920835b770 : 0xffffff800b45a3c5
0xffffff920835b7b0 : 0xffffff800b44bf7e
0xffffff920835b800 : 0xffffff800b2c7a40
0xffffff920835b820 : 0xffffff800b320c97
0xffffff920835b920 : 0xffffff800b321087
0xffffff920835b970 : 0xffffff800bac2ce8
0xffffff920835b9e0 : 0xffffff7f8bda0ad5
0xffffff920835b9f0 : 0xffffff7f8bda07fa
0xffffff920835ba10 : 0xffffff800ba54f3e
0xffffff920835ba60 : 0xffffff7f8bd9fcfe
0xffffff920835bb60 : 0xffffff800ba5e163
0xffffff920835bca0 : 0xffffff800b409bb2
0xffffff920835bdb0 : 0xffffff800b327328
0xffffff920835be10 : 0xffffff800b2fdcc5
0xffffff920835be70 : 0xffffff800b314aa2
0xffffff920835bf00 : 0xffffff800b432605
0xffffff920835bfa0 : 0xffffff800b2c8226
Kernel Extensions in backtrace:
com.apple.driver.watchdog(1.0)[99A75EFF-7734-31A0-80BF-FF8288E30D9B]@0xffffff7f8bd9f000->0xffffff7f8bda7fff

BSD process name corresponding to current thread: watchdogd
Boot args: chunklist-security-epoch=0 -chunklist-no-rev2-dev

Mac OS version:
19E266

Kernel version:
Darwin Kernel Version 19.4.0: Wed Mar 4 22:28:40 PST 2020; root:xnu-6153.101.6~15/RELEASE_X86_64
Kernel UUID: AB0AA7EE-3D03-3C21-91AD-5719D79D7AF6
Kernel slide: 0x000000000b000000
Kernel text base: 0xffffff800b200000
__HIB text base: 0xffffff800b100000
System model name: MacBookPro15,2 (Mac-827FB448E656EC26)
System shutdown begun: NO

System uptime in nanoseconds: 25201043297269
last loaded kext at 10226084245895: >usb.!UHostBillboardDevice 1.0 (addr 0xffffff7f8dba8000, size 16384)
last unloaded kext at 25083139455592: >!A!ILpssGspi 3.0.60 (addr 0xffffff7f8bd58000, size 45056)
loaded kexts:
com.getdropbox.dropbox.kext 1.10.3
>AudioAUUC 1.70
>!AGraphicsDevicePolicy 5.1.16
@AGDCPluginDisplayMetrics 5.1.16
>!AHV 1
|IOUserEthernet 1.0.1
|IO!BSerialManager 7.0.4f6
>pmtelemetry 1
>!AUpstreamUserClient 3.6.8
>AGPM 111.4.4
>X86PlatformShim 1.0.0
>!APlatformEnabler 2.7.0d0
@Dont_Steal_Mac_OS_X 7.0.0
>!A!IKBLGraphics 14.0.5
>!AThunderboltIP 3.1.4
>BridgeAudioCommunication 6.70.3
>!ABacklight 180.3
>!A!ISlowAdaptiveClocking 4.0.0
>!ABridgeAudio!C 6.70.3
>!AGFXHDA 100.1.426
>!AHIDALSService 1
>!ATopCaseHIDEventDriver 3430.1
>!A!IPCHPMC 2.0.1
>!A!ICFLGraphicsFramebuffer 14.0.5
>!AAVEBridge 6.1
>!AMCCSControl 1.11
@fileutil 20.036.15
@filesystems.autofs 3.0
@filesystems.apfs 1412.101.1
>BCMWLANFirmware4355.Hashstore 1
>BCMWLANFirmware4364.Hashstore 1
>BCMWLANFirmware4377.Hashstore 1
@filesystems.hfs.kext 522.100.5
@BootCache 40
@!AFSCompression.!AFSCompressionTypeDataless 1.0.0d1
@!AFSCompression.!AFSCompressionTypeZlib 1.0.0
>!AVirtIO 1.0
>!ABCMWLANBusInterfacePCIe 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
>!AGraphicsControl 5.1.16
|IOAVB!F 840.3
>!ASSE 1.0
@!AGPUWrangler 5.1.16
>!ABacklightExpert 1.1.0
>!AHIDKeyboard 209
|IOSlowAdaptiveClocking!F 1.0.0
>!AActuatorDriver 3440.1
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>!AMultitouchDriver 3440.1
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|IO!BHost!CUARTTransport 7.0.4f6
|IO!BHost!CTransport 7.0.4f6
>!A!ILpssUARTv1 3.0.60
>!A!ILpssUARTCommon 3.0.60
>!AOnboardSerial 1.0
@!AGraphicsDeviceControl 5.1.16
|IOAccelerator!F2 438.4.5
>X86PlatformPlugin 1.0.0
>IOPlatformPlugin!F 6.0.0d8
>!ASMBus!C 1.0.18d1
|IOGraphics!F 575.1
@plugin.IOgPTPPlugin 840.3
|IOEthernetAVB!C 1.1.0
@kext.triggers 1.0
>usb.cdc.ncm 5.0.0
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>usb.!UVHCI 1.2
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>!AEffaceableNOR 1.0
|IOBufferCopy!C 1.1.0
|IOBufferCopyEngine!F 1
|IONVMe!F 2.1.0
>!AThunderboltPCIDownAdapter 2.5.4
>!AThunderboltDPInAdapter 6.2.6
>!AThunderboltDPAdapter!F 6.2.6
>!AHPM 3.4.4
>!A!ILpssI2C!C 3.0.60
>!A!ILpssDmac 3.0.60
|IOSurface 269.11
@filesystems.hfs.encodings.kext 1
|IOAudio!F 300.2
@vecLib.kext 1.2.0
>!AThunderboltNHI 5.8.6
|IOThunderbolt!F 7.6.0
>!ABCMWLANCore 1.0.0
>mDNSOffloadUserClient 1.0.1b8
>IOImageLoader 1.0.0
|IOSerial!F 11
|IO80211!FV2 1200.12.2b1
>corecapture 1.0.4
|IOSkywalk!F 1
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>!A!ILpssI2C 3.0.60
>usb.!UXHCIPCI 1.2
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>!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 489.101.1
|IOSCSIBlockCommandsDevice 422.101.1
>!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 840.3
|IONetworking!F 3.4
>DiskImages 493.0.0
|IO!B!F 7.0.4f6
|IO!BPacketLogger 7.0.4f6
|IOUSBMass!SDriver 157.101.3
|IOSCSIArchitectureModel!F 422.101.1
|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

 

[Taz Mangus]

same problem here. New MacBook Pro running Catalina 10.15.4. no funky settings/software:

panic(cpu 2 caller 0xffffff7f8bda0ad5): userspace watchdog timeout: no successful checkins from com.apple.WindowServer since wake
service: com.apple.logd, total successful checkins since wake (120 seconds ago): 13, last successful checkin: 0 seconds ago
service: com.apple.WindowServer, no successful checkins since wake (120 seconds ago)

Backtrace (CPU 2), Frame : Return Address
0xffffff920835b720 : 0xffffff800b3215cd
0xffffff920835b770 : 0xffffff800b45a3c5
0xffffff920835b7b0 : 0xffffff800b44bf7e
0xffffff920835b800 : 0xffffff800b2c7a40
0xffffff920835b820 : 0xffffff800b320c97
0xffffff920835b920 : 0xffffff800b321087
0xffffff920835b970 : 0xffffff800bac2ce8
0xffffff920835b9e0 : 0xffffff7f8bda0ad5
0xffffff920835b9f0 : 0xffffff7f8bda07fa
0xffffff920835ba10 : 0xffffff800ba54f3e
0xffffff920835ba60 : 0xffffff7f8bd9fcfe
0xffffff920835bb60 : 0xffffff800ba5e163
0xffffff920835bca0 : 0xffffff800b409bb2
0xffffff920835bdb0 : 0xffffff800b327328
0xffffff920835be10 : 0xffffff800b2fdcc5
0xffffff920835be70 : 0xffffff800b314aa2
0xffffff920835bf00 : 0xffffff800b432605
0xffffff920835bfa0 : 0xffffff800b2c8226
Kernel Extensions in backtrace:
com.apple.driver.watchdog(1.0)[99A75EFF-7734-31A0-80BF-FF8288E30D9B]@0xffffff7f8bd9f000->0xffffff7f8bda7fff

BSD process name corresponding to current thread: watchdogd
Boot args: chunklist-security-epoch=0 -chunklist-no-rev2-dev

Mac OS version:
19E266

Kernel version:
Darwin Kernel Version 19.4.0: Wed Mar 4 22:28:40 PST 2020; root:xnu-6153.101.6~15/RELEASE_X86_64
Kernel UUID: AB0AA7EE-3D03-3C21-91AD-5719D79D7AF6
Kernel slide: 0x000000000b000000
Kernel text base: 0xffffff800b200000
__HIB text base: 0xffffff800b100000
System model name: MacBookPro15,2 (Mac-827FB448E656EC26)
System shutdown begun: NO

System uptime in nanoseconds: 25201043297269
last loaded kext at 10226084245895: >usb.!UHostBillboardDevice 1.0 (addr 0xffffff7f8dba8000, size 16384)
last unloaded kext at 25083139455592: >!A!ILpssGspi 3.0.60 (addr 0xffffff7f8bd58000, size 45056)
loaded kexts:
com.getdropbox.dropbox.kext 1.10.3
>AudioAUUC 1.70
>!AGraphicsDevicePolicy 5.1.16
@AGDCPluginDisplayMetrics 5.1.16
>!AHV 1
|IOUserEthernet 1.0.1
|IO!BSerialManager 7.0.4f6
>pmtelemetry 1
>!AUpstreamUserClient 3.6.8
>AGPM 111.4.4
>X86PlatformShim 1.0.0
>!APlatformEnabler 2.7.0d0
@Dont_Steal_Mac_OS_X 7.0.0
>!A!IKBLGraphics 14.0.5
>!AThunderboltIP 3.1.4
>BridgeAudioCommunication 6.70.3
>!ABacklight 180.3
>!A!ISlowAdaptiveClocking 4.0.0
>!ABridgeAudio!C 6.70.3
>!AGFXHDA 100.1.426
>!AHIDALSService 1
>!ATopCaseHIDEventDriver 3430.1
>!A!IPCHPMC 2.0.1
>!A!ICFLGraphicsFramebuffer 14.0.5
>!AAVEBridge 6.1
>!AMCCSControl 1.11
@fileutil 20.036.15
@filesystems.autofs 3.0
@filesystems.apfs 1412.101.1
>BCMWLANFirmware4355.Hashstore 1
>BCMWLANFirmware4364.Hashstore 1
>BCMWLANFirmware4377.Hashstore 1
@filesystems.hfs.kext 522.100.5
@BootCache 40
@!AFSCompression.!AFSCompressionTypeDataless 1.0.0d1
@!AFSCompression.!AFSCompressionTypeZlib 1.0.0
>!AVirtIO 1.0
>!ABCMWLANBusInterfacePCIe 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
>!AGraphicsControl 5.1.16
|IOAVB!F 840.3
>!ASSE 1.0
@!AGPUWrangler 5.1.16
>!ABacklightExpert 1.1.0
>!AHIDKeyboard 209
|IOSlowAdaptiveClocking!F 1.0.0
>!AActuatorDriver 3440.1
|IONDRVSupport 575.1
>!AHS!BDriver 3430.1
>IO!BHIDDriver 7.0.4f6
>!AMultitouchDriver 3440.1
>!AInputDeviceSupport 3440.8
|IO!BHost!CUARTTransport 7.0.4f6
|IO!BHost!CTransport 7.0.4f6
>!A!ILpssUARTv1 3.0.60
>!A!ILpssUARTCommon 3.0.60
>!AOnboardSerial 1.0
@!AGraphicsDeviceControl 5.1.16
|IOAccelerator!F2 438.4.5
>X86PlatformPlugin 1.0.0
>IOPlatformPlugin!F 6.0.0d8
>!ASMBus!C 1.0.18d1
|IOGraphics!F 575.1
@plugin.IOgPTPPlugin 840.3
|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
>usb.!UHub 1.2
>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 6.2.6
>!AThunderboltDPAdapter!F 6.2.6
>!AHPM 3.4.4
>!A!ILpssI2C!C 3.0.60
>!A!ILpssDmac 3.0.60
|IOSurface 269.11
@filesystems.hfs.encodings.kext 1
|IOAudio!F 300.2
@vecLib.kext 1.2.0
>!AThunderboltNHI 5.8.6
|IOThunderbolt!F 7.6.0
>!ABCMWLANCore 1.0.0
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>IOImageLoader 1.0.0
|IOSerial!F 11
|IO80211!FV2 1200.12.2b1
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>!A!ILpssI2C 3.0.60
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>!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 489.101.1
|IOSCSIBlockCommandsDevice 422.101.1
>!ACredentialManager 1.0
>KernelRelayHost 1
>!ASEPManager 1.0.1
>IOSlaveProcessor 1
>!AFDEKeyStore 28.30
>!AEffaceable!S 1.0
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@kext.CoreTrust 1
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>DiskImages 493.0.0
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|IO!BPacketLogger 7.0.4f6
|IOUSBMass!SDriver 157.101.3
|IOSCSIArchitectureModel!F 422.101.1
|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

Maybe you can try an experiment and boot into Safe Mode and see if the issue happens. In Safe Mode none of the third party extensions and key texts will load. Essentially it is a sanity mode. This may give some indication if something you have installed is contributing to the crashes.

Start up your Mac in safe mode - Apple Support

To help determine whether an issue is caused by software that loads as your Mac starts up, you can start up your Mac in safe mode.

support.apple.com

 

[a84c72]

Maybe you can try an experiment and boot into Safe Mode and see if the issue happens. In Safe Mode none of the third party extensions and key texts will load. Essentially it is a sanity mode. This may give some indication if something you have installed is contributing to the crashes.

Start up your Mac in safe mode - Apple Support

To help determine whether an issue is caused by software that loads as your Mac starts up, you can start up your Mac in safe mode.

support.apple.com

A few days ago, I decided to do a clean reinstall of Catalina. I opted for it due to many beach balls and NOT because of the kernel panics (I had read it wouldn't help with the panics). I'd go into safeboot and then restart. It would help for a short time with beach balls but always would revert back. So......I decided to go for it and did a drag and drop of my backup files.

NO MORE KERNEL PANICS!!! It's been a good 3 days.

Now I have to figure out how to access previous time machine backups...not happening on Catalina. Ugh! WHY does Apple have to mess with stuff that's not broken?!?!

 

[ackerthehacker]

I have a similar problem with an Imac Pro .. 10.15.3 was fine ... 10.15.4 and 10.15.5 beta1 crashes and com.apple.firehose.io-wl which I have no idea where that is. Even happens in safe mode.

I heard a rumor that its due to 16+ thunderbolt drives which would suck for a Imac Pro user, but I really can't take the drives off line to test "easily" as I need the drives online to do work.

 

[fel10]

I just got a new MacBook Pro 16' about 2 days ago, and Ive noticed that every time I wake it up from sleep, the message that it had to restart due to a problem keeps popping up, and then it shows me this screen. Is this a hardware issue or a software issue?

 

[star-affinity]

I just got a new MacBook Pro 16' about 2 days ago, and Ive noticed that every time I wake it up from sleep, the message that it had to restart due to a problem keeps popping up, and then it shows me this screen. Is this a hardware issue or a software issue?

View attachment 904301

That looks like a different Kernel Panic then the one discussed in this thread – yours don't mention "watchdog".

Searching the web for "CPU caterr detected" might give you some info.

Edit:
Might be hardware in your case:

CATERR Detected! No MCA data found crash

Problem has been fixed. i took my MacBook Pro to the Genius Bar on February 10th, the guy entered my serial # and saw the reported logs i sent to apple and instantly said: we have to replace the logic board. 4 days later i could pick it up again, free of charge.

forums.macrumors.com

 

[Taz Mangus]

I just got a new MacBook Pro 16' about 2 days ago, and Ive noticed that every time I wake it up from sleep, the message that it had to restart due to a problem keeps popping up, and then it shows me this screen. Is this a hardware issue or a software issue?

View attachment 904301

I just noticed something interesting in your crash report. It states the release as RELEASE_ARM64_T8010. I could be wrong but it looks like the processor type is referenced? There is an ARM processor being used in the MacBook Pro?

EDIT: I just looked and the touch bar uses an ARM processor.