Mac half of screen went black-indicator turned off

panic(cpu 2 caller 0xffffff7f89b9cad5): userspace watchdog timeout: no successful checkins from com.apple.WindowServer in 140 seconds
service: com.apple.logd, total successful checkins since wake (3650 seconds ago): 366, last successful checkin: 0 seconds ago
service: com.apple.WindowServer, total successful checkins since wake (3650 seconds ago): 352, last successful checkin: 140 seconds ago

Backtrace (CPU 2), Frame : Return Address
0xffffff921b95b820 : 0xffffff800913f98b
0xffffff921b95b870 : 0xffffff8009276c15
0xffffff921b95b8b0 : 0xffffff800926861e
0xffffff921b95b900 : 0xffffff80090e6a40
0xffffff921b95b920 : 0xffffff800913f077
0xffffff921b95ba20 : 0xffffff800913f45b
0xffffff921b95ba70 : 0xffffff80098d2e05
0xffffff921b95bae0 : 0xffffff7f89b9cad5
0xffffff921b95baf0 : 0xffffff7f89b9c7e6
0xffffff921b95bb10 : 0xffffff8009867adb
0xffffff921b95bb60 : 0xffffff8009870a73
0xffffff921b95bca0 : 0xffffff8009226672
0xffffff921b95bdb0 : 0xffffff80091457f8
0xffffff921b95be10 : 0xffffff800911c515
0xffffff921b95be70 : 0xffffff8009132f75
0xffffff921b95bf00 : 0xffffff800924eaf5
0xffffff921b95bfa0 : 0xffffff80090e7226
      Kernel Extensions in backtrace:
         com.apple.driver.watchdog(1.0)[58392D62-D9E8-3022-85C1-B78AC93B9167]@0xffffff7f89b9b000->0xffffff7f89ba3fff

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

Mac OS version:
19A602

Kernel version:
Darwin Kernel Version 19.0.0: Wed Sep 25 20:18:50 PDT 2019; root:xnu-6153.11.26~2/RELEASE_X86_64
Kernel UUID: 70EDD61F-86EE-3E1B-873F-98D909B78160
Kernel slide:     0x0000000008e00000
Kernel text base: 0xffffff8009000000
__HIB  text base: 0xffffff8008f00000
System model name: MacBookPro15,2 (Mac-827FB448E656EC26)
System shutdown begun: NO

System uptime in nanoseconds: 60096393501123
last loaded kext at 35569652184539: @filesystems.smbfs	3.4 (addr 0xffffff7f8d478000, size 446464)
last unloaded kext at 59963353783934: >!A!ILpssGspi	3.0.60 (addr 0xffffff7f89b54000, size 45056)
loaded kexts:
@filesystems.smbfs	3.4
>!AGraphicsDevicePolicy	4.1.46
@AGDCPluginDisplayMetrics	4.1.46
@fileutil	20.036.15
>!AHV	1
|IOUserEthernet	1.0.1
|IO!BSerialManager	7.0.0f8
>!AUpstreamUserClient	3.6.8
>AGPM	111.1.18
>!APlatformEnabler	2.7.0d0
>X86PlatformShim	1.0.0
>pmtelemetry	1
>!A!IKBLGraphics	14.0.0
@Dont_Steal_Mac_OS_X	7.0.0
>BridgeAudioCommunication	6.25
>!AThunderboltIP	3.1.3
>!ABacklight	170.18
>!ATopCaseHIDEventDriver	153
>!AAVEBridge	6.1
>!AHIDALSService	1
>!ABridgeAudio!C	6.25
>!A!IPCHPMC	2.0.1
>!AGFXHDA	100.1.421
>!A!ICFLGraphicsFramebuffer	14.0.0
>!A!ISlowAdaptiveClocking	4.0.0
>!AMCCSControl	1.12
@filesystems.autofs	3.0
@filesystems.apfs	1412.11.7
>BCMWLANFirmware4355.Hashstore	1
>BCMWLANFirmware4364.Hashstore	1
>BCMWLANFirmware4377.Hashstore	1
@filesystems.hfs.kext	522.0.9
@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	302
$TMSafetyNet	8
@!ASystemPolicy	2.0.0
|EndpointSecurity	1
>!AGraphicsControl	4.1.46
|IOAVB!F	800.17
>!ASSE	1.0
@!AGPUWrangler	4.1.46
>!ABacklightExpert	1.1.0
>!AHS!BDriver	153
>IO!BHIDDriver	7.0.0f8
>X86PlatformPlugin	1.0.0
>!AHIDKeyboard	209
>!AActuatorDriver	3400.35
>!AMultitouchDriver	3400.35
>!AInputDeviceSupport	3400.27
>IOPlatformPlugin!F	6.0.0d8
|IOAudio!F	300.2
@vecLib.kext	1.2.0
|IONDRVSupport	558.3
|IO!BHost!CUARTTransport	7.0.0f8
|IO!BHost!CTransport	7.0.0f8
>!A!ILpssUARTv1	3.0.60
>!A!ILpssUARTCommon	3.0.60
>!AOnboardSerial	1.0
@!AGraphicsDeviceControl	4.1.46
|IOAccelerator!F2	438.1.23
|IOSlowAdaptiveClocking!F	1.0.0
>!ASMBus!C	1.0.18d1
|IOGraphics!F	558.3
@plugin.IOgPTPPlugin	800.14
|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.!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	2.5.2
>!AThunderboltDPInAdapter	6.2.3
>!AThunderboltDPAdapter!F	6.2.3
>!AHPM	3.4.4
>!A!ILpssI2C!C	3.0.60
>!A!ILpssDmac	3.0.60
|IOSurface	269.6
@filesystems.hfs.encodings.kext	1
>!AThunderboltNHI	5.5.8
|IOThunderbolt!F	7.4.5
>!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
|IOUSB!F	900.4.2
>!A!ILpssI2C	3.0.60
>usb.!UXHCIPCI	1.2
>usb.!UXHCI	1.2
>!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	489.11.2
|IOSCSIBlockCommandsDevice	422.0.2
>!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	800.14
|IONetworking!F	3.4
>DiskImages	493.0.0
|IO!B!F	7.0.0f8
|IO!BPacketLogger	7.0.0f8
|IOUSBMass!SDriver	157.11.2
|IOSCSIArchitectureModel!F	422.0.2
|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.Libm	1
@kec.corecrypto	1.0