stuck in kernel panic on boot
Hi !
I recently purchased a used MacBook pro 15" from 2011. The previous owner said that it keeps beeping 3 times at boot. I figured it's just a faulty RAM bar, which I had a spare one. He also stated that someone previously replaced the thermalpaste on the processor. When I got home and started testing the device it would turn on, get the loading bar about 3/4ths done and then crash with a kernel panic. Switching RAM around (using my previously unused RAM as well as 4 GB from my working MacBook 2008 ) didn't help much.
While trying to get a look at the heat sink i notice that one of the fan connectors was not attached anymore. Resoldering it yielded a now working fan but still the same errors.
After that I also took to replacing the thermal paste once again by myself. Also did not yield anything new.
I also tried resetting PRAM (alt+cmd+p+r) and SMC (although there is no feedback for that, so I might have done it wrong..).
When I finally figured out how to start AHT (Apple states is pressing 'D' while you actually have to press alt+d ) I ran the non-extensive test which also yielded no new information.
When trying to run a gparted live Thumbdrive it states that it could not find any processor, although I'm certain AHT would have noticed that.
So now, while the extended hardware test ist running I thought I would ask here what could have gone wrong. Please also see the logfile of the Kernel panic (extracted by switching the HDD to my working device):
Anonymous UUID: A5CC8D9B-276B-51FB-5B52-A8B112FF53F2
Fri Jan 5 04:29:57 2001
- Panic Report ***
Machine-check capabilities: 0x0000000000000c09
family: 6 model: 42 stepping: 7 microcode: 26
signature: 0x206a7
Intel(R) Core(TM) i7-2635QM CPU @ 2.00GHz
9 error-reporting banks
Processor 0: IA32_MCG_STATUS: 0x0000000000000005
IA32_MC5_STATUS(0x415): 0xbe5530000001117a
IA32_MC5_ADDR(0x416): 0x00000002670b6900
IA32_MC5_MISC(0x417): 0x000004136e008086
Processor 1: IA32_MCG_STATUS: 0x0000000000000005
IA32_MC5_STATUS(0x415): 0xbe5530000001117a
IA32_MC5_ADDR(0x416): 0x00000002670b6900
IA32_MC5_MISC(0x417): 0x000004136e008086
Processor 2: IA32_MCG_STATUS: 0x0000000000000005
IA32_MC5_STATUS(0x415): 0xbe5530000001117a
IA32_MC5_ADDR(0x416): 0x00000002670b6900
IA32_MC5_MISC(0x417): 0x000004136e008086
Processor 3: IA32_MCG_STATUS: 0x0000000000000005
IA32_MC5_STATUS(0x415): 0xbe5530000001117a
IA32_MC5_ADDR(0x416): 0x00000002670b6900
IA32_MC5_MISC(0x417): 0x000004136e008086
Processor 4: IA32_MCG_STATUS: 0x0000000000000005
IA32_MC5_STATUS(0x415): 0xbe5530000001117a
IA32_MC5_ADDR(0x416): 0x00000002670b6900
IA32_MC5_MISC(0x417): 0x000004136e008086
Processor 5: IA32_MCG_STATUS: 0x0000000000000005
IA32_MC5_STATUS(0x415): 0xbe5530000001117a
IA32_MC5_ADDR(0x416): 0x00000002670b6900
IA32_MC5_MISC(0x417): 0x000004136e008086
Processor 6: IA32_MCG_STATUS: 0x0000000000000005
IA32_MC5_STATUS(0x415): 0xbe5530000001117a
IA32_MC5_ADDR(0x416): 0x00000002670b6900
IA32_MC5_MISC(0x417): 0x000004136e008086
Processor 7: IA32_MCG_STATUS: 0x0000000000000005
IA32_MC5_STATUS(0x415): 0xbe5530000001117a
IA32_MC5_ADDR(0x416): 0x00000002670b6900
IA32_MC5_MISC(0x417): 0x000004136e008086
panic(cpu 0 caller 0xffffff80003ceeca): "Machine Check at 0xffffff7f81bad6b9, registers:\n" "CR0: 0x000000008001003b, CR2: 0x0000000111f76fec, CR3: 0x000000000249b000, CR4: 0x00000000000626e0\n" "RAX: 0x0000000000000001, RBX: 0xffffff8010a5d800, RCX: 0x0000000000000001, RDX: 0x0000000000000000\n" "RSP: 0xffffff8100cdbd40, RBP: 0xffffff8100cdbd70, RSI: 0x0000000000000001, RDI: 0xffffff8010a5c700\n" "R8: 0xffffff8010a5f000, R9: 0xffffff7f81bc0e20, R10: 0x00000003685e5eed, R11: 0x00000003685dc190\n" "R12: 0xffffff7f81bc2e20, R13: 0xffffff8010459f00, R14: 0x0000000000000148, R15: 0x0000000000000001\n" "RFL: 0x0000000000000046, RIP: 0xffffff7f81bad6b9, CS: 0x0000000000000008, SS: 0x0000000000000010\n" "Error code: 0x0000000000000000\n"@/Library/Caches/com.apple.xbs/Sources/xnu/xnu-3248.40.184/osfmk/i386/trap_native.c:168
Backtrace (CPU 0), Frame : Return Address
0xffffff80e0c3acf0 : 0xffffff80002dab12
0xffffff80e0c3ad70 : 0xffffff80003ceeca
0xffffff80e0c3aed0 : 0xffffff80003ecb0f
0xffffff8100cdbd70 : 0xffffff7f81b9e33a
0xffffff8100cdbe60 : 0xffffff7f81b9d690
0xffffff8100cdbf20 : 0xffffff80003d0169
0xffffff8100cdbf40 : 0xffffff80002f22bd
0xffffff8100cdbf90 : 0xffffff80002f27b0
0xffffff8100cdbfb0 : 0xffffff80003c8e27
Kernel Extensions in backtrace:
com.apple.driver.AppleIntelCPUPowerManagement(218.0)[21E4FDDE-336B-3665-824B-A72C9DB45F31]@0xffffff7f81b9b000->0xffffff7f81bc5fff
BSD process name corresponding to current thread: kernel_task
Boot args: -x
Mac OS version:
15E65
Kernel version:
Darwin Kernel Version 15.4.0: Fri Feb 26 22:08:05 PST 2016; root:xnu-3248.40.184~3/RELEASE_X86_64
Kernel UUID: 4E7B4496-0B81-34E9-97AF-F316103B0839
__HIB text base: 0xffffff8000100000
System model name: MacBookPro8,2 (Mac-94245A3940C91C80)
System uptime in nanoseconds: 15024230478
last loaded kext at 2085270798: com.apple.driver.AppleUSBTCButtons 245.4 (addr 0xffffff7f81755000, size 20480)
loaded kexts:
com.apple.driver.AppleUSBTCButtons 245.4
com.apple.driver.AppleUSBTCKeyEventDriver 245.4
com.apple.driver.AppleUSBTCKeyboard 245.4
com.apple.driver.AppleIRController 327.5
com.apple.driver.AppleFileSystemDriver 3.0.1
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless 1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0
com.apple.BootCache 38
com.apple.iokit.IOAHCIBlockStorage 2.8.5
com.apple.driver.AppleSDXC 1.7.0
com.apple.driver.AppleFWOHCI 5.5.2
com.apple.driver.AppleAHCIPort 3.1.8
com.apple.driver.usb.AppleUSBEHCIPCI 1.0.1
com.apple.driver.usb.AppleUSBUHCIPCI 1.0.1
com.apple.driver.AppleSmartBatteryManager 161.0.0
com.apple.driver.AppleACPIButtons 4.0
com.apple.driver.AppleRTC 2.0
com.apple.driver.AppleHPET 1.8
com.apple.driver.AppleSMBIOS 2.1
com.apple.driver.AppleACPIEC 4.0
com.apple.driver.AppleAPIC 1.7
com.apple.driver.AppleIntelCPUPowerManagementClient 218.0.0
com.apple.nke.applicationfirewall 163
com.apple.security.quarantine 3
com.apple.security.TMSafetyNet 8
com.apple.driver.AppleIntelCPUPowerManagement 218.0.0
com.apple.driver.AppleUSBMultitouch 250.5
com.apple.iokit.IOUSBHIDDriver 900.4.1
com.apple.driver.usb.cdc 5.0.0
com.apple.driver.usb.networking 5.0.0
com.apple.driver.usb.AppleUSBHostCompositeDevice 1.0.1
com.apple.driver.usb.AppleUSBHub 1.0.1
com.apple.driver.AppleThunderboltDPInAdapter 4.1.3
com.apple.driver.AppleThunderboltDPAdapterFamily 4.1.3
com.apple.driver.AppleThunderboltPCIDownAdapter 2.0.2
com.apple.driver.AppleXsanScheme 3
com.apple.iokit.IONetworkingFamily 3.2
com.apple.driver.AppleThunderboltNHI 4.0.4
com.apple.iokit.IOThunderboltFamily 6.0.2
com.apple.driver.AppleUSBMergeNub 900.4.1
com.apple.iokit.IOFireWireFamily 4.6.0
com.apple.iokit.IOUSBFamily 900.4.1
com.apple.iokit.IOAHCIFamily 2.8.1
com.apple.driver.usb.AppleUSBUHCI 1.0.1
com.apple.driver.usb.AppleUSBEHCI 1.0.1
com.apple.iokit.IOUSBHostFamily 1.0.1
com.apple.driver.AppleUSBHostMergeProperties 1.0.1
com.apple.driver.AppleEFINVRAM 2.0
com.apple.driver.AppleEFIRuntime 2.0
com.apple.iokit.IOHIDFamily 2.0.0
com.apple.iokit.IOSMBusFamily 1.1
com.apple.security.sandbox 300.0
com.apple.kext.AppleMatch 1.0.0d1
com.apple.driver.AppleKeyStore 2
com.apple.driver.AppleMobileFileIntegrity 1.0.5
com.apple.driver.AppleCredentialManager 1.0
com.apple.driver.DiskImages 417.2
com.apple.iokit.IOStorageFamily 2.1
com.apple.iokit.IOReportFamily 31
com.apple.driver.AppleFDEKeyStore 28.30
com.apple.driver.AppleACPIPlatform 4.0
com.apple.iokit.IOPCIFamily 2.9
com.apple.iokit.IOACPIFamily 1.4
com.apple.kec.pthread 1
com.apple.kec.corecrypto 1.0
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