iMac randomly crashing

[Elias]

Since a while our iMac keeps crashing when opening built-in Mac applications (Finder, calendar, saving files from other applications like photoshop, ...). We've tried a factory reset, but the problem keeps occurring. We get the following panic report. For me this is gibberish. Can anyone translate this into an actual problem? Is there something wrong with the hardware? Attached you'll find a picture of the error message on the screen when the iMac is shutting down unexpectedly.

iMac specifications:

iMac (Retina 5K, 27-inch, 2017)

3,8 GHz Intel Core i5

24 GB 2133 MHz DDR4

2,12 TB Fusion

Radeon Pro 580 8 GB

27-inch (5120 x 2880)

Catalina 10.15.7 (19H2)

panic(cpu 1 caller 0xffffff801ee469aa): Kernel trap at 0xffffff7fa0864903, type 13=general protection, registers:
CR0: 0x0000000080010033, CR2: 0x000000010720574a, CR3: 0x00000005d66360a7, CR4: 0x00000000003626e0
RAX: 0xf7ffff8066f45038, RBX: 0xffffff8066f40aa0, RCX: 0x000000000000001b, RDX: 0xf7ffff8066f450a4
RSP: 0xffffff9b208cb2a0, RBP: 0xffffff9b208cb2d0, RSI: 0xf7ffff8066f45110, RDI: 0xffffff8066f40aa0
R8:  0xffffff9b208cb3f0, R9:  0xffffff9b208cb1e4, R10: 0x0000000000000000, R11: 0x0000000000000003
R12: 0xffffff8066f40aa0, R13: 0x000000000000001b, R14: 0xffffff9b208cb2fc, R15: 0xffffff9b208cb300
RFL: 0x0000000000010246, RIP: 0xffffff7fa0864903, CS:  0x0000000000000008, SS:  0x0000000000000010
Fault CR2: 0x000000010720574a, Error code: 0x0000000000000000, Fault CPU: 0x1, PL: 0, VF: 0



Backtrace (CPU 1), Frame : Return Address
0xffffff801eb51a20 : 0xffffff801ed1a65d
0xffffff801eb51a70 : 0xffffff801ee54a75
0xffffff801eb51ab0 : 0xffffff801ee465fe
0xffffff801eb51b00 : 0xffffff801ecc0a40
0xffffff801eb51b20 : 0xffffff801ed19d27
0xffffff801eb51c20 : 0xffffff801ed1a117
0xffffff801eb51c70 : 0xffffff801f4c1a6c
0xffffff801eb51ce0 : 0xffffff801ee469aa
0xffffff801eb51e60 : 0xffffff801ee466a8
0xffffff801eb51eb0 : 0xffffff801ecc0a40
0xffffff801eb51ed0 : 0xffffff7fa0864903
0xffffff9b208cb2d0 : 0xffffff7fa0865c62
0xffffff9b208cb350 : 0xffffff7fa086d14e
0xffffff9b208cb420 : 0xffffff7fa086d6a6
0xffffff9b208cb4a0 : 0xffffff7fa083d0ac
0xffffff9b208cb570 : 0xffffff7fa083ff02
0xffffff9b208cb650 : 0xffffff7fa084c911
0xffffff9b208cb680 : 0xffffff7fa0806dd4
0xffffff9b208cb6c0 : 0xffffff7fa0807f13
0xffffff9b208cb740 : 0xffffff7fa07f6d19
0xffffff9b208cb820 : 0xffffff801ef6eb7e
0xffffff9b208cb980 : 0xffffff801ef6de61
0xffffff9b208cbb80 : 0xffffff801ef877d5
0xffffff9b208cbbd0 : 0xffffff801ef8da77
0xffffff9b208cbf10 : 0xffffff801ef8e39f
0xffffff9b208cbf40 : 0xffffff801f384be7
0xffffff9b208cbfa0 : 0xffffff801ecc1206
      Kernel Extensions in backtrace:
         com.apple.filesystems.apfs(1412.141.1)[449653CC-9494-3AB1-B621-D4BBB695CC10]@0xffffff7fa07bb000->0xffffff7fa08e2fff
            dependency: com.apple.kec.corecrypto(1.0)[1984287F-ABE7-3770-9FD9-61565B55E332]@0xffffff7f9feb5000
            dependency: com.apple.driver.AppleEffaceableStorage(1.0)[C2105304-AC59-36D5-8B54-FFD784D63A8B]@0xffffff7fa041c000
            dependency: com.apple.iokit.IOStorageFamily(2.1)[CB3CB8CA-881A-37F3-A96B-8063CAF0476D]@0xffffff7f9fb10000



BSD process name corresponding to current thread: Finder



Mac OS version:
19H2



Kernel version:
Darwin Kernel Version 19.6.0: Mon Aug 31 22:12:52 PDT 2020; root:xnu-6153.141.2~1/RELEASE_X86_64
Kernel UUID: 05D51A3D-3A87-3FF0-98C3-9CF3827A3EDD
Kernel slide:     0x000000001ea00000
Kernel text base: 0xffffff801ec00000
__HIB  text base: 0xffffff801eb00000
System model name: iMac18,3 (Mac-BE088AF8C5EB4FA2)
System shutdown begun: NO
Panic diags file available: YES (0x0)



System uptime in nanoseconds: 342849648298
last loaded kext at 340249445492: @filesystems.afpfs    11.2 (addr 0xffffff7fa3a48000, size 364544)
loaded kexts:
@filesystems.afpfs    11.2
@nke.asp-tcp    8.1
@filesystems.smbfs    3.4.4
>!AMikeyHIDDriver    131
>AudioAUUC    1.70
@fileutil    20.036.15
>!APlatformEnabler    2.7.0d0
>X86PlatformShim    1.0.0
>AGPM    111.4.4
@filesystems.autofs    3.0
>!AHDAHardwareConfigDriver    283.15
>!AHDA    283.15
@kext.AMDRadeonServiceManager    3.1.0
>!AUpstreamUserClient    3.6.8
@kext.AMDFramebuffer    3.1.0
@kext.AMDRadeonX4000    3.1.0
>!AGraphicsDevicePolicy    5.2.6
@AGDCPluginDisplayMetrics    5.2.6
>AGDCBacklightControl    5.2.6
>!A!IKBLGraphics    14.0.7
>!AHV    1
|IOUserEthernet    1.0.1
>!A!IPCHPMC    2.0.1
|Broadcom!B20703USBTransport    7.0.6f7
|IO!BSerialManager    7.0.6f7
@kext.AMD9500!C    3.1.0
>!AFIVRDriver    4.1.0
>pmtelemetry    1
@Dont_Steal_Mac_OS_X    7.0.0
>!ABacklight    180.3
>ACPI_SMC_PlatformPlugin    1.0.0
>!AMCCSControl    1.14
>!ASMCLMU    212
>eficheck    1
>!AThunderboltIP    3.1.4
>!AGFXHDA    100.1.429
>!A!IKBLGraphicsFramebuffer    14.0.7
>!A!ISlowAdaptiveClocking    4.0.0
|IO!BUSBDFU    7.0.6f7
>!AFileSystemDriver    3.0.1
>!AVirtIO    1.0
@filesystems.hfs.kext    522.100.5
@!AFSCompression.!AFSCompressionTypeDataless    1.0.0d1
@BootCache    40
@!AFSCompression.!AFSCompressionTypeZlib    1.0.0
@filesystems.apfs    1412.141.1
>!ASDXC    1.7.7
|!ABCM5701Ethernet    10.3.5
>AirPort.BrcmNIC    1400.1.1
@private.KextAudit    1.0
>!AAHCIPort    341.140.1
>!AACPIButtons    6.1
>!ARTC    2.0
>!ASMBIOS    2.1
>!AACPIEC    6.1
>!AAPIC    1.7
$!AImage4    1
@nke.applicationfirewall    303
$TMSafetyNet    8
@!ASystemPolicy    2.0.0
|EndpointSecurity    1
$SecureRemotePassword    1.0
>!AHIDKeyboard    209
@kext.triggers    1.0
>DspFuncLib    283.15
@kext.OSvKernDSPLib    529
@kext.AMDRadeonX4200HWLibs    1.0
@kext.AMDRadeonX4000HWServices    3.1.0
>!AGraphicsControl    5.2.6
|IOAVB!F    850.1
|Broadcom!BHost!CUSBTransport    7.0.6f7
|IO!BHost!CUSBTransport    7.0.6f7
|IO!BHost!CTransport    7.0.6f7
|IO!B!F    7.0.6f7
|IO!BPacketLogger    7.0.6f7
>!AHDA!C    283.15
|IOHDA!F    283.15
>!ABacklightExpert    1.1.0
@kext.AMDSupport    3.1.0
>IOPlatformPluginLegacy    1.0.0
>!ASMBus!C    1.0.18d1
>X86PlatformPlugin    1.0.0
>IOPlatformPlugin!F    6.0.0d8
>!AThunderboltEDMSink    4.2.3
>!AThunderboltDPOutAdapter    6.2.6
>!ASMBusPCI    1.0.14d1
|IONDRVSupport    576.1
|IOAccelerator!F2    438.7.3
@!AGPUWrangler    5.2.6
@!AGraphicsDeviceControl    5.2.6
|IOGraphics!F    576.1
|IOSlowAdaptiveClocking!F    1.0.0
@plugin.IOgPTPPlugin    840.3
>usb.IOUSBHostHIDDevice    1.2
>usb.!UHub    1.2
>!UAudio    323.4
>usb.cdc    5.0.0
>usb.networking    5.0.0
>usb.!UHostCompositeDevice    1.2
|IOAudio!F    300.2
@vecLib.kext    1.2.0
|IOSerial!F    11
|IOSurface    269.11
@filesystems.hfs.encodings.kext    1
>!AThunderboltDPInAdapter    6.2.6
>!AThunderboltDPAdapter!F    6.2.6
>!AThunderboltPCIDownAdapter    2.5.4
>!AHPM    3.4.4
>!A!ILpssI2C!C    3.0.60
>!A!ILpssDmac    3.0.60
>!AXsanScheme    3
|IOAHCIBlock!S    316.100.5
>!AThunderboltNHI    5.8.6
|IOThunderbolt!F    7.6.1
|IOEthernetAVB!C    1.1.0
|IO80211!F    1200.12.2b1
>mDNSOffloadUserClient    1.0.1b8
>corecapture    1.0.4
|IOSkywalk!F    1
|IONVMe!F    2.1.0
>!A!ILpssI2C    3.0.60
>usb.!UHostPacketFilter    1.0
|IOUSB!F    900.4.2
>!A!ILpssGspi    3.0.60
>usb.!UXHCIPCI    1.2
>usb.!UXHCI    1.2
|IOAHCI!F    290.0.1
>!AEFINVRAM    2.1
>!AEFIRuntime    2.1
|IOSMBus!F    1.1
|IOHID!F    2.0.0
$quarantine    4
$sandbox    300.0
@kext.!AMatch    1.0.0d1
>DiskImages    493.0.0
>!AFDEKeyStore    28.30
>!AEffaceable!S    1.0
>!ASSE    1.0
>!AKeyStore    2
>!UTDM    489.120.1
|IOSCSIBlockCommandsDevice    422.120.3
>!ACredentialManager    1.0
>KernelRelayHost    1
>!ASEPManager    1.0.1
>IOSlaveProcessor    1
|IOUSBMass!SDriver    157.140.1
|IOSCSIArchitectureModel!F    422.120.3
|IO!S!F    2.1
|IOUSBHost!F    1.2
>!UHostMergeProperties    1.2
>usb.!UCommon    1.0
>!ABusPower!C    1.0
|CoreAnalytics!F    1
>!AMobileFileIntegrity    1.0.5
@kext.CoreTrust    1
|IOTimeSync!F    840.3
|IONetworking!F    3.4
|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

 

[Cory Cooper]

Hello and welcome.

If you did a complete erase and install and the issue persists with nothing else installed but macOS, it could be a hardware issue. Nothing in the panic report looks out of the ordinary. The only thing I see is that you have added RAM. The first thing I would try would be to remove any third-party RAM and see if the issue continues.

C