panic(cpu 4 caller 0xffffff800317eb9a): "upl(0xffffff93d5c1d200) ext_ref_count"@/AppleInternal/BuildRoot/Library/Caches/com.apple.xbs/Sources/xnu/xnu-7195.81.3/osfmk/vm/vm_pageout.c:5210
Backtrace (CPU 4), Frame : Return Address
0xffffffa1198b39c0 : 0xffffff80030bab4d 
0xffffffa1198b3a10 : 0xffffff80031fd7e3 
0xffffffa1198b3a50 : 0xffffff80031ede1a 
0xffffffa1198b3aa0 : 0xffffff800305fa2f 
0xffffffa1198b3ac0 : 0xffffff80030ba3ed 
0xffffffa1198b3be0 : 0xffffff80030ba6d8 
0xffffffa1198b3c50 : 0xffffff80038bef9a 
0xffffffa1198b3cc0 : 0xffffff800317eb9a 
0xffffffa1198b3cf0 : 0xffffff800368cadd 
0xffffffa1198b3d30 : 0xffffff800332d576 
0xffffffa1198b3dc0 : 0xffffff80060b7f13 
0xffffffa1198b3e10 : 0xffffff8003323ad7 
0xffffffa1198b3e60 : 0xffffff7fa52033e9 
0xffffffa1198b3ec0 : 0xffffff7fa5201bc7 
0xffffffa1198b3ee0 : 0xffffff80038181b0 
0xffffffa1198b3f30 : 0xffffff800381691e 
0xffffffa1198b3f70 : 0xffffff8003815f06 
0xffffffa1198b3fa0 : 0xffffff800305f13e 
     Kernel Extensions in backtrace:
        com.apple.filesystems.apfs(1677.81.1)[DB8F6842-2D8F-3535-8352-54EBDD26900F]@0xffffff8006076000->0xffffff80061d8fff
           dependency: com.apple.driver.AppleEFINVRAM(2.1)[D6C13E44-3657-3F40-99E4-355DAA82202E]@0xffffff800445a000->0xffffff8004463fff
           dependency: com.apple.driver.AppleEffaceableStorage(1.0)[CE527E76-F27F-33BD-933A-ED837F559A6D]@0xffffff800446d000->0xffffff8004472fff
           dependency: com.apple.iokit.CoreAnalyticsFamily(1)[CB8BC944-2B59-355C-A5D6-05FE908EBF67]@0xffffff80048a9000->0xffffff80048affff
           dependency: com.apple.iokit.IOStorageFamily(2.1)[B5300908-BF34-3D47-8776-FB154A6DEE4C]@0xffffff8005b3f000->0xffffff8005b50fff
           dependency: com.apple.kec.corecrypto(11.1)[E009770B-BAFB-3BF9-B176-D6B4CC96DF5F]@0xffffff8006206000->0xffffff8006296fff
           dependency: com.apple.security.AppleImage4(3.0.0)[5D746F35-15A8-3406-8725-8867038D656D]@0xffffff80044cf000->0xffffff80044defff
        com.softraid.driver.SoftRAID(6.0.1b53)[04BE793D-D81D-356C-9D79-9C0CCE5A5D0F]@0xffffff7fa51df000->0xffffff7fa520dfff
           dependency: com.apple.iokit.IOStorageFamily(2.1)[B5300908-BF34-3D47-8776-FB154A6DEE4C]@0xffffff8005b3f000->0xffffff8005b50fff

Process name corresponding to current thread: kernel_task

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: 0x0000000002e00000
KernelCache base:  0xffffff8003000000
Kernel slide:      0x0000000002e10000
Kernel text base:  0xffffff8003010000
__HIB  text base: 0xffffff8002f00000
System model name: iMac19,1 (Mac-AA95B1DDAB278B95)
System shutdown begun: NO
Panic diags file available: YES (0x0)
Hibernation exit count: 0

System uptime in nanoseconds: 6879826471277
Last Sleep:           absolute           base_tsc          base_nano
 Uptime  : 0x00000641d59ceb58
 Sleep   : 0x000006367b7a5b88 0x00000008fec8fbc2 0x0000000000000000
 Wake    : 0x00000636810e3aaa 0x00000000e136c118 0x000006367eef0f2b
last started kext at 6831399487301: >!UAudio	401.4 (addr 0xffffff7fa3511000, size 307200)
loaded kexts:
com.lacie.driver.mvumi	1.3.21
com.softraid.driver.SoftRAID	6.0.1b53
!ATopCaseHIDEventDriver	4030.5
AudioAUUC	1.70
!APlatformEnabler	2.7.0d0
AGPM	119
X86PlatformShim	1.0.0
@fileutil	20.036.15
@filesystems.autofs	3.0
!AUpstreamUserClient	3.6.8
@kext.AMDFramebuffer	4.0.2
@kext.AMDRadeonX4000	4.0.2
@kext.AMDRadeonServiceManager	4.0.2
AGDCBacklightControl	6.2.2
!ABacklight	180.3
ACPI_SMC_PlatformPlugin	1.0.0
!AGraphicsDevicePolicy	6.2.2
!ASMCLMU	212
!AHDAHardwareConfigDriver	283.15
!AThunderboltIP	4.0.3
!AHDA	283.15
!A!IPCHPMC	2.0.1
@AGDCPluginDisplayMetrics	6.2.2
!AFIVRDriver	4.1.0
pmtelemetry	1
LuaHardwareAccess	1.0.16
|IOUserEthernet	1.0.1
usb.!UUserHCI	1
|IO!BSerialManager	8.0.3d9
@Dont_Steal_Mac_OS_X	7.0.0
!AHV	1
!ADiskImages2	1
!A!IKBLGraphics	16.0.1
!AMCCSControl	1.14
eficheck	1
!A!ICFLGraphicsFramebuffer	16.0.1
!AGFXHDA	100.1.431
!A!ISlowAdaptiveClocking	4.0.0
@kext.AMD9500!C	4.0.2
|SCSITaskUserClient	436.40.6
BCMWLANFirmware4378.Hashstore	1
BCMWLANFirmware4377.Hashstore	1
BCMWLANFirmware4364.Hashstore	1
BCMWLANFirmware4355.Hashstore	1
!AFileSystemDriver	3.0.1
@filesystems.tmpfs	1
@filesystems.hfs.kext	556.60.1
@BootCache	40
@!AFSCompression.!AFSCompressionTypeZlib	1.0.0
@!AFSCompression.!AFSCompressionTypeDataless	1.0.0d1
!ASDXC	1.9.0
|!ABCM5701Ethernet	11.0.0
!ABCMWLANBusInterfacePCIeMac	1
@filesystems.apfs	1677.81.1
!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
!UAudio	401.4
!AHIDKeyboard	223
!AMultitouchDriver	4400.28
!AInputDeviceSupport	4400.35
!AHS!BDriver	4030.5
IO!BHIDDriver	8.0.3d9
|IOSCSIParallel!F	3.0.0
@kext.triggers	1.0
@kext.AMDRadeonX4400HWLibs	1.0
@kext.AMDRadeonX4000HWServices	4.0.2
!ABacklightExpert	1.1.0
IOPlatformPluginLegacy	1.0.0
X86PlatformPlugin	1.0.0
!AGraphicsControl	6.2.2
!AThunderboltEDMSink	5.0.3
DspFuncLib	283.15
@kext.OSvKernDSPLib	529
IOPlatformPlugin!F	6.0.0d8
|IOAVB!F	930.1
!ASMBus!C	1.0.18d1
|IO!BHost!CUARTTransport	8.0.3d9
|IO!BHost!CTransport	8.0.3d9
@plugin.IOgPTPPlugin	900.11
|IOEthernetAVB!C	1.1.0
!ASMBusPCI	1.0.14d1
!A!ILpssUARTv1	3.0.60
!A!ILpssUARTCommon	3.0.60
!AOnboardSerial	1.0
|IOAccelerator!F2	439.52
!AHDA!C	283.15
|IOHDA!F	283.15
|IONDRVSupport	585
|IOAudio!F	300.6.1
@vecLib.kext	1.2.0
@!AGPUWrangler	6.2.2
|IOSlowAdaptiveClocking!F	1.0.0
@kext.AMDSupport	4.0.2
@!AGraphicsDeviceControl	6.2.2
|IOGraphics!F	585
usb.!UHub	1.2
!AThunderboltPCIUpAdapter	4.1.1
!AThunderboltDPOutAdapter	8.1.4
!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
usb.cdc	5.0.0
usb.networking	5.0.0
usb.!UHostCompositeDevice	1.2
!ABSDKextStarter	3
|IOSurface	289.3
@filesystems.hfs.encodings.kext	1
!AThunderboltNHI	7.2.8
|IOThunderbolt!F	9.3.2
!ABCMWLANCoreMac	1.0.0
|IOSerial!F	11
|IO80211!FV2	1200.12.2b1
|IOSkywalk!F	1
mDNSOffloadUserClient	1.0.1b8
IOImageLoader	1.0.0
corecapture	1.0.4
!AXsanScheme	3
|IOAHCIBlock!S	332
|IONVMe!F	2.1.0
|IOAHCI!F	294
usb.!UXHCIPCI	1.2
usb.!UXHCI	1.2
usb.!UHostPacketFilter	1.0
|IOUSB!F	900.4.2
!AEFINVRAM	2.1
!AEFIRuntime	2.1
!ASMCRTC	1.0
|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