From Newsgroup: uk.comp.sys.mac

My iMac had shut down overnight and I was left with is data:-
(which was sent to Apple)

-

MCA Error Report - 30 June 2026rC?rC?rC?*** MCA Error Report ***
CPU Machine Check Architecture Error Dump (CPU: Intel(R) Core(TM)
i5-7600K CPU @ 3.80GHz, CPUID: 0x906E9)
CATERR detected! No MCA data found.


*** Device Tree ***
{
"pcie_cfg_base" : "0xe0000000",
"pci_devices" :
{
"0x0" : "MCHC@0",
"0x8000" : "PEG0@1",
"0x10000" : "IGPU@2",
"0xa0000" : "XHC1@14",
"0xb0000" : "IMEI@16",
"0xb8000" : "SATA@17",
"0xe0000" : "RP01@1C",
"0xe1000" : "RP02@1C,1",
"0xe4000" : "RP05@1C,4",
"0xfb000" : "HDEF@1F,3",
"0xf8000" : "LPCB@1F",
"0xfa000" : "PMCR@1F,2",
"0xfc000" : "SBUS@1F,4",
"0x100000" : "PEG0@1/IOPP/GFX0@0",
"0x101000" : "PEG0@1/IOPP/HDAU@0,1",
"0x300000" : "RP02@1C,1/IOPP/GIGE@0",
"0x301000" : "RP02@1C,1/IOPP/SDXC@0,1",
"0x200000" : "RP01@1C/IOPP/ARPT@0",
"0x400000" : "RP05@1C,4/IOPP/UPSB@0",
"0x500000" : "RP05@1C,4/IOPP/UPSB@0/IOPP/DSB0@0",
"0x508000" : "RP05@1C,4/IOPP/UPSB@0/IOPP/DSB1@1",
"0x510000" : "RP05@1C,4/IOPP/UPSB@0/IOPP/DSB2@2",
"0x520000" : "RP05@1C,4/IOPP/UPSB@0/IOPP/DSB4@4",
"0x700000" : "RP05@1C,4/IOPP/UPSB@0/IOPP/DSB0@0/IOPP/NHI0@0",
"0x600000" : "RP05@1C,4/IOPP/UPSB@0/IOPP/DSB2@2/IOPP/XHC2@0"
},
"device_mmio" :
{
"PCI0@0" :
[
{ "a" : "0xcf8", "s" : "0x8" }
],
"PCI0@0/AppleACPIPCI/PEG0@1/IOPP/GFX0@0" :
[
{ "a" : "0x4000000000", "s" : "0x10000000" },
{ "a" : "0x4010000000", "s" : "0x200000" },
{ "a" : "0x92500000", "s" : "0x40000" },
{ "a" : "0x92540000", "s" : "0x20000" }
],
"PCI0@0/AppleACPIPCI/PEG0@1/IOPP/HDAU@0,1" :
[
{ "a" : "0x92560000", "s" : "0x4000" }
],
"PCI0@0/AppleACPIPCI/IGPU@2" :
[
{ "a" : "0x4011000000", "s" : "0x1000000" },
{ "a" : "0x4020000000", "s" : "0x10000000" }
],
"PCI0@0/AppleACPIPCI/XHC1@14" :
[
{ "a" : "0x4010310000", "s" : "0x10000" }
],
"PCI0@0/AppleACPIPCI/IMEI@16" :
[
{ "a" : "0x4010324000", "s" : "0x1000" }
],
"PCI0@0/AppleACPIPCI/SATA@17" :
[
{ "a" : "0x92628000", "s" : "0x2000" },
{ "a" : "0x9262c000", "s" : "0x100" },
{ "a" : "0x9262b800", "s" : "0x800" }
],
"PCI0@0/AppleACPIPCI/RP01@1C/IOPP/ARPT@0" :
[
{ "a" : "0x92400000", "s" : "0x8000" },
{ "a" : "0x92000000", "s" : "0x400000" }
],
"PCI0@0/AppleACPIPCI/RP02@1C,1/IOPP/GIGE@0" :
[
{ "a" : "0x4010200000", "s" : "0x10000" },
{ "a" : "0x4010210000", "s" : "0x10000" }
],
"PCI0@0/AppleACPIPCI/RP02@1C,1/IOPP/SDXC@0,1" :
[
{ "a" : "0x4010220000", "s" : "0x10000" }
],

"PCI0@0/AppleACPIPCI/RP05@1C,4/IOPP/UPSB@0/IOPP/DSB0@0/IOPP/NHI0@0" :
[
{ "a" : "0x92800000", "s" : "0x40000" },
{ "a" : "0x92840000", "s" : "0x1000" }
],

"PCI0@0/AppleACPIPCI/RP05@1C,4/IOPP/UPSB@0/IOPP/DSB2@2/IOPP/XHC2@0" :
[
{ "a" : "0x92700000", "s" : "0x10000" }
],
"PCI0@0/AppleACPIPCI/PMCR@1F,2" :
[
{ "a" : "0x92624000", "s" : "0x4000" }
],
"PCI0@0/AppleACPIPCI/HDEF@1F,3" :
[
{ "a" : "0x4010320000", "s" : "0x4000" },
{ "a" : "0x4010300000", "s" : "0x10000" }
],
"PCI0@0/AppleACPIPCI/SBUS@1F,4" :
[
{ "a" : "0x4010325000", "s" : "0x100" }
],
"DMAC" :
[
{ "a" : "0x0", "s" : "0x20" },
{ "a" : "0x81", "s" : "0x11" },
{ "a" : "0x93", "s" : "0xd" },
{ "a" : "0xc0", "s" : "0x20" }
],
"FWHD" :
[
{ "a" : "0xff000000", "s" : "0x1000000" }
],
"IPIC" :
[
{ "a" : "0x20", "s" : "0x2" },
{ "a" : "0x24", "s" : "0x2" },
{ "a" : "0x28", "s" : "0x2" },
{ "a" : "0x2c", "s" : "0x2" },
{ "a" : "0x30", "s" : "0x2" },
{ "a" : "0x34", "s" : "0x2" },
{ "a" : "0x38", "s" : "0x2" },
{ "a" : "0x3c", "s" : "0x2" },
{ "a" : "0xa0", "s" : "0x2" },
{ "a" : "0xa4", "s" : "0x2" },
{ "a" : "0xa8", "s" : "0x2" },
{ "a" : "0xac", "s" : "0x2" },
{ "a" : "0xb0", "s" : "0x2" },
{ "a" : "0xb4", "s" : "0x2" },
{ "a" : "0xb8", "s" : "0x2" },
{ "a" : "0xbc", "s" : "0x2" },
{ "a" : "0x4d0", "s" : "0x2" }
],
"MATH" :
[
{ "a" : "0xf0", "s" : "0x1" }
],
"LDRC" :
[
{ "a" : "0x2e", "s" : "0x2" },
{ "a" : "0x4e", "s" : "0x2" },
{ "a" : "0x61", "s" : "0x1" },
{ "a" : "0x63", "s" : "0x1" },
{ "a" : "0x65", "s" : "0x1" },
{ "a" : "0x67", "s" : "0x1" },
{ "a" : "0x80", "s" : "0x1" },
{ "a" : "0x92", "s" : "0x1" },
{ "a" : "0xb2", "s" : "0x2" },
{ "a" : "0xffff", "s" : "0x1" },
{ "a" : "0x1800", "s" : "0xff" },
{ "a" : "0x800", "s" : "0x80" }
],
"RTC" :
[
{ "a" : "0x70", "s" : "0x8" }
],
"TIMR" :
[
{ "a" : "0x40", "s" : "0x4" },
{ "a" : "0x50", "s" : "0x4" }
],
"SMC" :
[
{ "a" : "0x300", "s" : "0x20" },
{ "a" : "0xfef00000", "s" : "0x10000" }
],
"EC" :
[
{ "a" : "0x62", "s" : "0x1" },
{ "a" : "0x66", "s" : "0x1" }
],
"PDRC" :
[
{ "a" : "0xfed10000", "s" : "0x8000" },
{ "a" : "0xfed18000", "s" : "0x1000" },
{ "a" : "0xfed19000", "s" : "0x1000" },
{ "a" : "0xe0000000", "s" : "0x10000000" },
{ "a" : "0xfed20000", "s" : "0x20000" },
{ "a" : "0xfed90000", "s" : "0x4000" },
{ "a" : "0xfed45000", "s" : "0x4b000" },
{ "a" : "0xff000000", "s" : "0x1000000" },
{ "a" : "0xfee00000", "s" : "0x100000" },
{ "a" : "0xfd000000", "s" : "0x1000000" },
{ "a" : "0xfe000000", "s" : "0x10000" },
{ "a" : "0xfe010000", "s" : "0x1000" },
{ "a" : "0xfe020000", "s" : "0x16000" },
{ "a" : "0xfe036000", "s" : "0x6000" },
{ "a" : "0xfe03c000", "s" : "0x1000" },
{ "a" : "0xfe03d000", "s" : "0x83000" },
{ "a" : "0xfe0c0000", "s" : "0x40000" },
{ "a" : "0xfe100000", "s" : "0x100000" },
{ "a" : "0xfe200000", "s" : "0x200000" },
{ "a" : "0xfe400000", "s" : "0x10000" },
{ "a" : "0xfe410000", "s" : "0x1f0000" },
{ "a" : "0xfe600000", "s" : "0x200000" }
]
}
}

=

Claude AI said it was caused by this computer being a Hackintosh!

I didn't believe 'him'!

I have found nothing amiss - all is working well.
(Apple's Diagnostic Test reported " No issues found" Reference Code APD000
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