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This on a 2017 Retina 21″ iMac Running MacOS 12.4
The day before I installed 12.4 I had a kernel panic. The day after I installed it I had four kernel panics in rapid succession in the space of a half hour. Since then I have had more. Sometimes a day goes by without one, sometimes there are several in a day. I have read and, for the most part, followed this:
If Your Mac Restarts and a Message Appears
The Kernel-YYYY-MM-DD-hhmmss.panic logs (/Library/Logs/DiagnosticReports/) offer no clues as to what software/hardware might be causing the panics
So far I have:
• Removed an external display and adapter
• Removed a USB hub
• Notremoved a non-Apple (Logitech) keyboard as the machine would be useless without it.
• Not removed an external drives as the machine would be useless to me without them
I started the machine in Recovery Mode and:
• Ran Disk First aid on the boot volume: No problems found
• Reinstalled MacOS
I started the machine in Diagnostics Mode and ran diagnostics: No problems found
The only extensions I have are those installed by:
• Graphic Converter
• Bartender
• Dropbox
• Google Drive
• Markup
The external drives that I have not removed have all been running fine on the machine for well over a year. I’ve had the keyboard for about 18 months.
I have attached the first few lines of the most recent panic report. This one happens to show that iStat menus was the panicked task, but I don’t think that means much. Every panic reports shows a different process as the panicked task.
Any ideas?
/Library/Logs/DiagnosticReports/Kernel-2022-05-26-212610.panic:
Machine-check capabilities: 0x0000000000000c0a
family: 6 model: 158 stepping: 9 microcode: 240
signature: 0x906e9
Intel(R) Core(TM) i5-7500 CPU @ 3.40GHz
10 error-reporting banks
Processor 0: IA32_MCG_STATUS: 0x0000000000000005
IA32_MC0_STATUS(0x401): 0xb200000000030005
mp_kdp_enter() timed-out on cpu 0, NMI-ing
mp_kdp_enter() NMI pending on cpus: 0 1 2 3
mp_kdp_enter() timed-out during locked wait after NMI;expected 4 acks but received 1 after 9777577 loops in 1704000001 ticks
panic(cpu 0 caller 0xffffff80125d19d7): Machine Check at 0x00007ff90ac433bc, registers:
CR0: 0x0000000080010033, CR2: 0x00007ff8493aff10, CR3: 0x0000000317eaa290, CR4: 0x00000000003626e0
RAX: 0x0000000647035480, RBX: 0x0000000647035480, RCX: 0x000000064738eb40, RDX: 0x0000000000000002
RSP: 0x00007ff7be0a68e0, RBP: 0x00007ff7be0a7fb0, RSI: 0x0000000631cc3540, RDI: 0x000000063b058910
R8: 0x0000000000000028, R9: 0x00000006473e10bc, R10: 0x00000006562230bc, R11: 0x00000006473e10bc
R12: 0x000000064720c300, R13: 0x000000064720c300, R14: 0x000000064720c300, R15: 0x0000000649c834c0
RFL: 0x0000000000000202, RIP: 0x00007ff90ac433bc, CS: 0x000000000000002b, SS: 0x0000000000000023
Error code: 0x0000000000000000
@trap_native.c:168
Panicked task 0xffffffaa0b11f030: 14 threads: pid 84291: com.apple.WebKit
Backtrace (CPU 0), panicked thread: 0xffffffaa11660540, Frame : Return Address
0xffffffb0e0ba3b10 : 0xffffff8012481c8d
0xffffffb0e0ba3b60 : 0xffffff80125e1596
0xffffffb0e0ba3ba0 : 0xffffff80125d0963
0xffffffb0e0ba3bf0 : 0xffffff8012421a70
0xffffffb0e0ba3c10 : 0xffffff801248205d
0xffffffb0e0ba3d30 : 0xffffff8012481816
0xffffffb0e0ba3d90 : 0xffffff8012d15163
0xffffffb0e0ba3e80 : 0xffffff80125d19d7
0xffffffb0e0ba3f90 : 0xffffff8012d1c94c
0xffffffb0e0ba3fa0 : 0xffffff80124222cf
Process name corresponding to current thread (0xffffffaa11660540): com.apple.WebKit.WebContent
Mac OS version:
21F79
Kernel version:
Darwin Kernel Version 21.5.0: Tue Apr 26 21:08:22 PDT 2022; root:xnu-8020.121.3~4/RELEASE_X86_64
Kernel UUID: 3C587984-4004-3C76-8ADF-997822977184
KernelCache slide: 0x0000000012200000
KernelCache base: 0xffffff8012400000
Kernel slide: 0x0000000012210000
Kernel text base: 0xffffff8012410000
__HIB text base: 0xffffff8012300000
System model name: iMac18,2 (Mac-77F17D7DA9285301)
System shutdown begun: NO
Panic diags file available: YES (0x0)
Hibernation exit count: 0
System uptime in nanoseconds: 53333735341979
Last Sleep: absolute base_tsc base_nano
Uptime : 0x00003081ba598209
Sleep : 0x0000000000000000 0x0000000000000000 0x0000000000000000
Wake : 0x0000000000000000 0x00000011b8f5a008 0x0000000000000000
Compressor Info: 4% of compressed pages limit (OK) and 5% of segments limit (OK) with 1 swapfiles and OK swap space
Zone info:
Zone map: 0xffffff907bbb4000 - 0xffffffb07bbb4000
. PGZ : 0xffffff907bbb4000 - 0xffffff907dbb5000
. VM : 0xffffff907dbb5000 - 0xffffff954a3b4000
. RO : 0xffffff954a3b4000 - 0xffffff96e3bb4000
. GEN0 : 0xffffff96e3bb4000 - 0xffffff9bb03b4000
. GEN1 : 0xffffff9bb03b4000 - 0xffffffa07cbb4000
. GEN2 : 0xffffffa07cbb4000 - 0xffffffa5493b4000
. GEN3 : 0xffffffa5493b4000 - 0xffffffaa15bb4000
. DATA : 0xffffffaa15bb4000 - 0xffffffb07bbb4000
Metadata: 0xffffffb07bbc4000 - 0xffffffb09bbc4000
Bitmaps : 0xffffffb09bbc4000 - 0xffffffb0a1bc4000
last started kext at 78949547802: @filesystems.smbfs 4.0 (addr 0xffffff7fab938000, size 483328)
last stopped kext at 277114639064: >!AThunderboltEDMSink 5.0.3 (addr 0xffffff7fab1c7000, size 32768)
loaded kexts:
@filesystems.smbfs 4.0
@filesystems.autofs 3.0
>!ATopCaseHIDEventDriver 5450.8
>AudioAUUC 1.70
>X86PlatformShim 1.0.0
>!APlatformEnabler 2.7.0d0
>AGPM 129
>!AUpstreamUserClient 3.6.9
@kext.AMDFramebuffer 4.0.8
@kext.AMDRadeonServiceManager 4.0.8
@kext.AMDRadeonX4000 4.0.8
>!AGraphicsDevicePolicy 6.5.7
>!AHDA 340.2
@AGDCPluginDisplayMetrics 6.5.7
>pmtelemetry 1
|IOUserEthernet 1.0.1
>usb.!UUserHCI 1
>!AHV 1
>!ADiskImages2 126.100.13
>!AGFXHDA 140.3
>!A!IKBLGraphics 18.0.7
>!AMCCSControl 1.16
>!A!ISlowAdaptiveClocking 4.0.0
>eficheck 1
>!A!IPCHPMC 2.0.1
>!ASMCLMU 212
@kext.AMD9500!C 4.0.8
>!AThunderboltIP 4.0.3
>!A!IKBLGraphicsFramebuffer 18.0.7
|SCSITaskUserClient 456.121.3
>!AFileSystemDriver 3.0.1
@filesystems.tmpfs 1
@filesystems.lifs 1
@filesystems.hfs.kext 583.100.10
@BootCache 40
@!AFSCompression.!AFSCompressionTypeZlib 1.0.0
@!AFSCompression.!AFSCompressionTypeDataless 1.0.0d1
@filesystems.apfs 1934.121.2
>AirPort.BrcmNIC 1400.1.1
>!ASDXC 3.2.1
|!ABCM5701Ethernet 11.0.0
>!AAHCIPort 351.100.4
@private.KextAudit 1.0
>!AACPIButtons 6.1
>!ARTC 2.0.1
>!ASMBIOS 2.1
>!AACPIEC 6.1
>!AAPIC 1.7
@!ASystemPolicy 2.0.0
@nke.applicationfirewall 402
|IOKitRegistryCompatibility 1
|EndpointSecurity 1
@Dont_Steal_Mac_OS_X 7.0.0
@kec.!AEncryptedArchive 1
>driverkit.serial 6.0.0
|IOSerial!F 11
@kext.triggers 1.0
>!AActuatorDriver 5450.14
>!AMultitouchDriver 5450.14
>!AInputDeviceSupport 5450.4
>!AHS!BDriver 5450.8
>IO!BHIDDriver 9.0.0
@kext.AMDRadeonX4200HWLibs 1.0
@kext.AMDRadeonX4000HWServices 4.0.8
>!AGraphicsControl 6.5.7
>DspFuncLib 340.2
@kext.OSvKernDSPLib 529
|IO!BSerialManager 9.0.0
|IO!BPacketLogger 9.0.0
|IO!BHost!CUSBTransport 9.0.0
|IO!BHost!CUARTTransport 9.0.0
|IO!BHost!CTransport 9.0.0
>IO!BHost!CPCIeTransport 9.0.0
|IOAVB!F 1040.6
@plugin.IOgPTPPlugin 1040.3
|IOEthernetAVB!C 1.1.0
|CSR!BHost!CUSBTransport 9.0.0
|Broadcom!BHost!CUSBTransport 9.0.0
|Broadcom!B20703USBTransport 9.0.0
>!AIPAppender 1.0
>X86PlatformPlugin 1.0.0
>!AAudioClockLibs 140.1
@!AGPUWrangler 6.5.7
|IOSlowAdaptiveClocking!F 1.0.0
|IONDRVSupport 597
>IOPlatformPlugin!F 6.0.0d8
>!ASMBus!C 1.0.18d1
>!AHDA!C 340.2
|IOHDA!F 340.2
|IOAudio!F 340.2
@vecLib.kext 1.2.0
>!ASMBusPCI 1.0.14d1
@kext.AMDSupport 4.0.8
>!AThunderboltDPOutAdapter 8.5.1
|IOAccelerator!F2 462.8
@!AGraphicsDeviceControl 6.5.7
|IOGraphics!F 597
>usb.IOUSBHostHIDDevice 1.2
>usb.cdc 5.0.0
>usb.networking 5.0.0
>usb.!UHostCompositeDevice 1.2
>!AThunderboltPCIDownAdapter 4.1.1
>!AThunderboltDPInAdapter 8.5.1
>!AThunderboltDPAdapter!F 8.5.1
>!AHPM 3.4.4
>!A!ILpssI2C!C 3.0.60
>!A!ILpssI2C 3.0.60
>!A!ILpssDmac 3.0.60
>!ABSDKextStarter 3
|IOSurface 302.14
@filesystems.hfs.encodings.kext 1
>!AXsanScheme 3
>!AThunderboltNHI 7.2.81
|IOThunderbolt!F 9.3.3
|IO80211!FLegacy 1200.12.2b1
|IOSkywalk!F 1.0
>corecapture 1.0.4
|IONVMe!F 2.1.0
>mDNSOffloadUserClient 1.0.1b8
|IOAHCI!F 297
>!A!ILpssGspi 3.0.60
>usb.!UXHCIPCI 1.2
>usb.!UXHCI 1.2
>usb.!UHostPacketFilter 1.0
|IOUSB!F 900.4.2
>!AEFINVRAM 2.1
>!AEFIRuntime 2.1
|IOSMBus!F 1.1
|IOHID!F 2.0.0
|IOTimeSync!F 1040.3
|IONetworking!F 3.4
>DiskImages 493.0.0
|IO!B!F 9.0.0
|IOReport!F 47
$quarantine 4
$sandbox 300.0
@kext.!AMatch 1.0.0d1
|CoreAnalytics!F 1
>!ASSE 1.0
>!AKeyStore 2
>!UTDM 533.120.2
|IOUSBMass!SDriver 210.120.3
|IOSCSIBlockCommandsDevice 456.121.3
|IO!S!F 2.1
|IOSCSIArchitectureModel!F 456.121.3
>!AMobileFileIntegrity 1.0.5
$!AImage4 4.2.0
@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.Libm 1
@kec.corecrypto 12.0
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