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User profile for user: Jimbus
Jimbus Author
User level: Level 1
0 points

Kernel panic log interpretation.

An interpretation of the following crash report would be appreciated.

Thank you very much.




Interval Since Last Panic Report: 7637 sec

Panics Since Last Report: 2

Anonymous UUID: B2761358-AB51-705F-FD53-A468123FB295



Thu Nov 29 12:56:33 2012

panic(cpu 1 caller 0xffffff8016ab7bd5): Kernel trap at 0xffffff8016a2da10, type 13=general protection, registers:

CR0: 0x000000008001003b, CR2: 0x0000000000000000, CR3: 0x00000000196a3000, CR4: 0x0000000000000660

RAX: 0x0000000000000001, RBX: 0xffffff8021e98000, RCX: 0x0000000009000000, RDX: 0xffffff80895ad078

RSP: 0xffffff808ecfbe50, RBP: 0xffffff808ecfbe80, RSI: 0xffffff80895ad068, RDI: 0x0000000000000000

R8: 0xffffff8089555078, R9: 0xffffffffffffffff, R10: 0x00000000ffffffff, R11: 0x00000000ffffff80

R12: 0xffffff8089555000, R13: 0xffffff8021e98580, R14: 0x01ffff8021e98550, R15: 0x0000000000000000

RFL: 0x0000000000010002, RIP: 0xffffff8016a2da10, CS: 0x0000000000000008, SS: 0x0000000000000000

Fault CR2: 0x0000000000000000, Error code: 0x0000000000000000, Fault CPU: 0x1



Backtrace (CPU 1), Frame : Return Address

0xffffff808ecfbaf0 : 0xffffff8016a1d626

0xffffff808ecfbb60 : 0xffffff8016ab7bd5

0xffffff808ecfbd30 : 0xffffff8016ace4ed

0xffffff808ecfbd50 : 0xffffff8016a2da10

0xffffff808ecfbe80 : 0xffffff8016e2e1e9

0xffffff808ecfbec0 : 0xffffff8016e2ca47

0xffffff808ecfbf30 : 0xffffff8016e2d3a2

0xffffff808ecfbf70 : 0xffffff8016e31e99

0xffffff808ecfbfb0 : 0xffffff8016ab26b7



BSD process name corresponding to current thread: kernel_task



Mac OS version:

Not yet set



Kernel version:

Darwin Kernel Version 12.2.0: Sat Aug 25 00:48:52 PDT 2012; root:xnu-2050.18.24~1/RELEASE_X86_64

Kernel UUID: 69A5853F-375A-3EF4-9247-478FD0247333

Kernel slide: 0x0000000016800000

Kernel text base: 0xffffff8016a00000

System model name: iMac9,1 (Mac-F2218EA9)



System uptime in nanoseconds: 955232341

last loaded kext at 289703569: com.apple.driver.AppleEFINVRAM 1.6.1 (addr 0xffffff7f98b5b000, size 40960)

loaded kexts:

com.apple.driver.AppleEFINVRAM 1.6.1

com.apple.driver.AppleIntelCPUPowerManagementClient 196.0.0

com.apple.driver.AppleHPET 1.7

com.apple.driver.AppleRTC 1.5

com.apple.driver.AppleACPIButtons 1.6

com.apple.driver.AppleSMBIOS 1.9

com.apple.driver.AppleACPIEC 1.6

com.apple.driver.AppleAPIC 1.6

com.apple.nke.applicationfirewall 4.0.39

com.apple.security.quarantine 2

com.apple.driver.AppleIntelCPUPowerManagement 196.0.0

com.apple.driver.AppleEFIRuntime 1.6.1

com.apple.iokit.IOHIDFamily 1.8.0

com.apple.iokit.IOSMBusFamily 1.1

com.apple.security.sandbox 220

com.apple.kext.AppleMatch 1.0.0d1

com.apple.security.TMSafetyNet 7

com.apple.driver.DiskImages 344

com.apple.iokit.IOStorageFamily 1.8

com.apple.driver.AppleKeyStore 28.21

com.apple.driver.AppleACPIPlatform 1.6

com.apple.iokit.IOPCIFamily 2.7.2

com.apple.iokit.IOACPIFamily 1.4

com.apple.kec.corecrypto 1.0

System Profile:

Model: iMac9,1, BootROM IM91.008D.B08, 2 processors, Intel Core 2 Duo, 2.66 GHz, 4 GB, SMC 1.44f0

Graphics: NVIDIA GeForce 9400, NVIDIA GeForce 9400, PCI, 256 MB

Memory Module: BANK 0/DIMM0, 2 GB, DDR3, 1067 MHz, 0x0198, 0x393930353432382D3030312E4230304C4600

Memory Module: BANK 1/DIMM0, 2 GB, DDR3, 1067 MHz, 0x0198, 0x393930353432382D3031302E4130304C4620

AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x8E), Broadcom BCM43xx 1.0 (5.106.98.81.22)

Bluetooth: Version 4.0.9f33 10885, 2 service, 11 devices, 1 incoming serial ports

Network Service: Ethernet, Ethernet, en0

Serial ATA Device: WDC WD3200AAJS-40H3A0, 320,07 GB

Serial ATA Device: HL-DT-ST DVDRW GA11N

USB Device: Built-in iSight, apple_vendor_id, 0x8502, 0x24400000 / 3

USB Device: Keyboard Hub, apple_vendor_id, 0x1006, 0x24300000 / 2

USB Device: Apple Keyboard, apple_vendor_id, 0x0221, 0x24320000 / 4

USB Device: Ext HDD 1021, 0x1058 (Western Digital Technologies, Inc.), 0x1021, 0x26200000 / 2

USB Device: IR Receiver, apple_vendor_id, 0x8242, 0x04500000 / 2

USB Device: Apple Optical USB Mouse, apple_vendor_id, 0x0304, 0x06400000 / 3

USB Device: BRCM2046 Hub, 0x0a5c (Broadcom Corp.), 0x4500, 0x06100000 / 2

USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x8215, 0x06110000 / 4

iMac (20-inch Early 2009), OS X Mountain Lion (10.8.2)

Posted on Nov 29, 2012 6:22 AM

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User profile for user: Linc Davis
Linc Davis
User level: Level 10
209,547 points

Posted on Nov 29, 2012 11:38 AM

That panic was not caused by third-party software. If it's happened only once, and is not repeated in at least a few thousand hours of use, a reasonable choice would be to ignore it. Machines don't work perfectly. They never will.


If the problem is recurrent, the possibilities are (1) a damaged OS X installation; (2) a fault in a peripheral device, if any; (3) an internal hardware fault; and (4) an obscure bug in OS X.


You can rule out the first two possibilities by reinstalling the OS and testing with non-essential peripherals disconnected. Probably there will be no change. In that case, make a "Genius" appointment at an Apple Store to have the machine tested. You may have to leave it there for several days. There isn't much point in doing this unless you can reproduce the panic, or unless it happens often enough that it's likely to be repeated at the store. Otherwise you may be told that nothing is wrong.


Print the first page of the panic report and bring it with you.


Back up all data on the internal drive(s) before you hand over your computer to anyone. If privacy is a concern, erase the data partition(s) with the option to write zeros* (do this only if you know how to restore, and you have at least two independent backups.) Don’t erase the recovery partition, if present.


*An SSD doesn't need to be zeroed.

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1 reply
Question marked as Best reply
User profile for user: Linc Davis
Linc Davis
User level: Level 10
209,547 points

Nov 29, 2012 11:38 AM in response to Jimbus

That panic was not caused by third-party software. If it's happened only once, and is not repeated in at least a few thousand hours of use, a reasonable choice would be to ignore it. Machines don't work perfectly. They never will.


If the problem is recurrent, the possibilities are (1) a damaged OS X installation; (2) a fault in a peripheral device, if any; (3) an internal hardware fault; and (4) an obscure bug in OS X.


You can rule out the first two possibilities by reinstalling the OS and testing with non-essential peripherals disconnected. Probably there will be no change. In that case, make a "Genius" appointment at an Apple Store to have the machine tested. You may have to leave it there for several days. There isn't much point in doing this unless you can reproduce the panic, or unless it happens often enough that it's likely to be repeated at the store. Otherwise you may be told that nothing is wrong.


Print the first page of the panic report and bring it with you.


Back up all data on the internal drive(s) before you hand over your computer to anyone. If privacy is a concern, erase the data partition(s) with the option to write zeros* (do this only if you know how to restore, and you have at least two independent backups.) Don’t erase the recovery partition, if present.


*An SSD doesn't need to be zeroed.

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Kernel panic log interpretation.

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