Im getting random restarts and crashes, this is what the report says. panic(cpu 0 caller 0xffffff80145a51f7): Possible memory corruption

Question

Level 1

8 points

Im getting random restarts and crashes, this is what the report says. panic(cpu 0 caller 0xffffff80145a51f7): Possible memory corruption

panic(cpu 0 caller 0xffffff80145a51f7): "Possible memory corruption: pmap_pv_remove(0xffffff8710758500,0x1d305b000,0x8000, 0x8000000, 0xffffffa1b86abc54, 0xfffffec7aac8c2d8): null pv_list, priors: 2"@/System/Volumes/Data/SWE/macOS/BuildRoots/e90674e518/Library/Caches/com.apple.xbs/Sources/xnu/xnu-7195.121.3/osfmk/i386/pmap_internal.h:903

Backtrace (CPU 0), Frame : Return Address

0xffffffa1b86ab890 : 0xffffff801448e0dd

0xffffffa1b86ab8e0 : 0xffffff80145d4f33

0xffffffa1b86ab920 : 0xffffff80145c552a

0xffffffa1b86ab970 : 0xffffff8014432a2f

0xffffffa1b86ab990 : 0xffffff801448d8fd

0xffffffa1b86abab0 : 0xffffff801448dbf3

0xffffffa1b86abb20 : 0xffffff8014c9d81a

0xffffffa1b86abb90 : 0xffffff80145a51f7

0xffffffa1b86abc80 : 0xffffff80145a54e6

0xffffffa1b86abce0 : 0xffffff8014533615

0xffffffa1b86abe30 : 0xffffff8014532f63

0xffffffa1b86abe60 : 0xffffff80144c1f0d

0xffffffa1b86abea0 : 0xffffff8014a12998

0xffffffa1b86abf10 : 0xffffff8014a127a3

0xffffffa1b86abf30 : 0xffffff8014a12779

0xffffffa1b86abf40 : 0xffffff8014b3fc9e

0xffffffa1b86abfa0 : 0xffffff80144331f6

Process name corresponding to current thread: fsck_apfs

Mac OS version:

20F71

Kernel version:

Darwin Kernel Version 20.5.0: Sat May 8 05:10:33 PDT 2021; root:xnu-7195.121.3~9/RELEASE_X86_64

Kernel UUID: 52A1E876-863E-38E3-AC80-09BBAB13B752

KernelCache slide: 0x0000000014200000

KernelCache base: 0xffffff8014400000

Kernel slide: 0x0000000014210000

Kernel text base: 0xffffff8014410000

__HIB text base: 0xffffff8014300000

System model name: iMac18,3 (Mac-BE088AF8C5EB4FA2)

System shutdown begun: NO

Panic diags file unavailable, panic occurred prior to initialization

Hibernation exit count: 0

System uptime in nanoseconds: 1991326736

Last Sleep: absolute base_tsc base_nano

Uptime : 0x0000000076b13fdd

Sleep : 0x0000000000000000 0x0000000000000000 0x0000000000000000

Wake : 0x0000000000000000 0x0000001134a4967e 0x0000000000000000

last started kext at 1876390998: |SCSITaskUserClient 436.121.1 (addr 0xffffff8017009000, size 20480)

loaded kexts:

|SCSITaskUserClient 436.121.1

|IO!BUSBDFU 8.0.5d7

>!ATopCaseHIDEventDriver 4050.1

>!UTopCaseDriver 4050.1

>!AFileSystemDriver 3.0.1

@filesystems.tmpfs 1

@filesystems.hfs.kext 556.100.11

@BootCache 40

@!AFSCompression.!AFSCompressionTypeZlib 1.0.0

@!AFSCompression.!AFSCompressionTypeDataless 1.0.0d1

@filesystems.apfs 1677.120.9

>!ASDXC 1.9.0

|!ABCM5701Ethernet 11.0.0

>AirPort.BrcmNIC 1400.1.1

>!AAHCIPort 346.100.2

@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 311

|IOKitRegistryCompatibility 1

|EndpointSecurity 1

>!AHS!BDriver 4050.1

>IO!BHIDDriver 8.0.5d7

>usb.IOUSBHostHIDDevice 1.2

>!AMultitouchDriver 4440.3

>!AInputDeviceSupport 4400.35

>!AHIDKeyboard 224

>usb.cdc 5.0.0

>usb.networking 5.0.0

>usb.!UHostCompositeDevice 1.2

>!AThunderboltDPInAdapter 8.1.4

>!AThunderboltDPAdapter!F 8.1.4

>!AThunderboltPCIDownAdapter 4.1.1

>!AHPM 3.4.4

>!A!ILpssI2C!C 3.0.60

>!A!ILpssDmac 3.0.60

>!ABSDKextStarter 3

|IOSurface 290.8.1

@filesystems.hfs.encodings.kext 1

>!AXsanScheme 3

|IOAHCIBlock!S 332

>!AThunderboltNHI 7.2.8

|IOThunderbolt!F 9.3.2

|IO80211!F 1200.12.2b1

|IOSkywalk!F 1

>mDNSOffloadUserClient 1.0.1b8

>corecapture 1.0.4

|IONVMe!F 2.1.0

>!A!ILpssI2C 3.0.60

>!A!ILpssGspi 3.0.60

>usb.!UXHCIPCI 1.2

>usb.!UXHCI 1.2

|IOAHCI!F 294.100.1

>usb.!UHostPacketFilter 1.0

|IOUSB!F 900.4.2

>!AEFINVRAM 2.1

>!AEFIRuntime 2.1

|IOSMBus!F 1.1

|IOHID!F 2.0.0

$!AImage4 3.0.0

|IOTimeSync!F 985.2

|IONetworking!F 3.4

>DiskImages 493.0.0

|IO!B!F 8.0.5d7

|IOReport!F 47

|IO!BPacketLogger 8.0.5d7

$quarantine 4

$sandbox 300.0

@kext.!AMatch 1.0.0d1

|CoreAnalytics!F 1

>!ASSE 1.0

>!AKeyStore 2

>!UTDM 511.120.2

|IOUSBMass!SDriver 184.121.1

|IOSCSIBlockCommandsDevice 436.121.1

|IO!S!F 2.1

|IOSCSIArchitectureModel!F 436.121.1

>!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

iMac 27″ 5K, macOS 11.4

Posted on Aug 23, 2021 8:51 AM

Reply

Answer 1

rodmv90 Author

Level 1

8 points

Aug 23, 2021 9:56 AM in response to Tesserax

I did replace RAM but that was a couple months ago and I didnt have any problem with it. I tried running Apple Diagnostics but no issue was found, im just getting random crashes all of the sudden it was working well before. It usually happens while using Adobe Illustrator or browsing for files seems random tho.

Reply

Answer 2

Old Toad

Level 10

210,615 points

Aug 23, 2021 10:16 AM in response to rodmv90

Where did you get the RAM? Macs are extremely sensitive to RAM compliance to specs and the only suppliers that many of us will recommend are Crucial.com and OWC MacSales.com (except for 2020 27" iMacs). Many users reported no problem with earlier systems but as systems progressed the RAM became a problem.

Reply

Answer 3

Tesserax

Level 10

152,338 points

Aug 23, 2021 9:59 AM in response to rodmv90

It still could be a RAM issue. Have you tried replacing them with the original sticks? Then replacing them, one-at-a-time, with the newer ones?

Reply

Answer 4

rodmv90 Author

Level 1

8 points

Aug 23, 2021 10:30 AM in response to Old Toad

Was able to run a mem test,,, it is in fact RAM problem.. got them from apple recommended ram and model, guess its not working for me . . thank you both

Reply

Answer 5

Tesserax

Level 10

152,338 points

Aug 23, 2021 9:15 AM in response to rodmv90

Per chance did you upgrade/replace RAM on this iMac? Have you run the Apple Diagnostics to see if there are any hardware issues yet?

Reply

Answer 6

Old Toad

Level 10

210,615 points

Aug 23, 2021 10:39 AM in response to rodmv90

Even though modules may meet Apple specs doesn't assure their quality. When you replace the modules do so from Crucial.com or MacSales.com (as long as you iMac isn't a 2020 27" model).

Reply

Im getting random restarts and crashes, this is what the report says. panic(cpu 0 caller 0xffffff80145a51f7): Possible memory corruption

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