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  1. #1


    Member Since
    Jun 01, 2013
    Posts
    7
    Early 2011 Macbook Randomly rebooting
    Hello everyone!

    I have an early 2011, 13" Macbook Pro with 2.3ghz i5 and 4gb of memory that has been randomly rebooting. I've run the Apple hardware test and it says everything is fine. I've reset the PRAM and the SMC. I've also done a complete re installation of OSX with erasing the hard drive prior. I'm thinking its hardware based but since its no longer in warranty not sure where to start. The error report is below. If anyone has any ideas as to whats causing this please suggest, I'll try anything.

    Interval Since Last Panic Report: 30546 sec
    Panics Since Last Report: 3
    Anonymous UUID: C7E33EBD-5B6C-E4B6-2FF3-FAEB6A7F3C33

    Sat Jun 1 15:20:32 2013
    Machine-check capabilities 0x0000000000000c07:
    family: 6 model: 42 stepping: 7 microcode: 26
    Intel(R) Core(TM) i5-2415M CPU @ 2.30GHz
    7 error-reporting banks
    threshold-based error status present
    extended corrected memory error handling present
    Processor 0: machine-check status 0x0000000000000005:
    restart IP valid
    machine-check in progress
    MCA error-reporting registers:
    IA32_MC0_STATUS(0x401): 0xf200014000010005 valid
    MCA error code: 0x0005
    Model specific error code: 0x0001
    Other information: 0x00000140
    Threshold-based status: Undefined
    Status bits:
    Processor context corrupt
    Error enabled
    Uncorrected error
    Error overflow
    IA32_MC1_STATUS(0x405): 0x0980000000000000 invalid
    IA32_MC2_STATUS(0x409): 0x0000000000000000 invalid
    IA32_MC3_STATUS(0x40d): 0x0000000000000000 invalid
    IA32_MC4_STATUS(0x411): 0x0000000000000000 invalid
    IA32_MC5_STATUS(0x415): 0x0020000000000000 invalid
    IA32_MC6_STATUS(0x419): 0x0020000000000000 invalid
    Processor 1: machine-check status 0x0000000000000005:
    restart IP valid
    machine-check in progress
    MCA error-reporting registers:
    IA32_MC0_STATUS(0x401): 0xf200014000010005 valid
    MCA error code: 0x0005
    Model specific error code: 0x0001
    Other information: 0x00000140
    Threshold-based status: Undefined
    Status bits:
    Processor context corrupt
    Error enabled
    Uncorrected error
    Error overflow
    IA32_MC1_STATUS(0x405): 0x0980000000000000 invalid
    IA32_MC2_STATUS(0x409): 0x0000000000000000 invalid
    IA32_MC3_STATUS(0x40d): 0x0000000000000000 invalid
    IA32_MC4_STATUS(0x411): 0x0000000000000000 invalid
    IA32_MC5_STATUS(0x415): 0x0020000000000000 invalid
    IA32_MC6_STATUS(0x419): 0x0020000000000000 invalid
    Processor 2: no vali
    Model: MacBookPro8,1, BootROM MBP81.0047.B27, 2 processors, Intel Core i5, 2.3 GHz, 4 GB, SMC 1.68f99
    Graphics: Intel HD Graphics 3000, Intel HD Graphics 3000, Built-In, 384 MB
    Memory Module: BANK 0/DIMM0, 2 GB, DDR3, 1333 MHz, 0x80CE, 0x4D34373142353737334448302D4348392020
    Memory Module: BANK 1/DIMM0, 2 GB, DDR3, 1333 MHz, 0x80CE, 0x4D34373142353737334448302D4348392020
    AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0xD6), Broadcom BCM43xx 1.0 (5.106.98.100.16)
    Bluetooth: Version 4.1.3f3 11349, 2 service, 11 devices, 1 incoming serial ports
    Network Service: Wi-Fi, AirPort, en1
    Serial ATA Device: Hitachi HTS545032B9A302, 320.07 GB
    Serial ATA Device: HL-DT-ST DVDRW GS31N
    USB Device: hub_device, 0x0424 (SMSC), 0x2513, 0xfa100000 / 3
    USB Device: BRCM2070 Hub, 0x0a5c (Broadcom Corp.), 0x4500, 0xfa110000 / 5
    USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x821a, 0xfa113000 / 7
    USB Device: Apple Internal Keyboard / Trackpad, apple_vendor_id, 0x0252, 0xfa120000 / 4
    USB Device: FaceTime HD Camera (Built-in), apple_vendor_id, 0x8509, 0xfa200000 / 2
    USB Device: hub_device, 0x0424 (SMSC), 0x2513, 0xfd100000 / 2
    USB Device: IR Receiver, apple_vendor_id, 0x8242, 0xfd110000 / 3

  2. #2

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Fort Worth, Texas
    Posts
    48,814
    Specs:
    Late 2013 27" iMac, iPad 3, iPhone 6s+, iPhone 6+, 3 iPods, El Capitan
    It appears to be a memory error. Since that looks like the original memory in the machine, try removing the modules one at a time and re-seating them. In other words, pull the modules and then push them back into their slots. If that doesn't cure the problem, download and run "MemTest" for the Mac.

    Something else you can try first before pulling the modules.... Boot the machine in Safe Boot mode to see if the same thing happens. Hold down your shift key as soon as you hear the boot chime. Safe mode removes all third party drivers and startup programs. It also disables the system sound and some networking. Let us know the result.

  3. #3


    Member Since
    Jun 01, 2013
    Posts
    7
    I will try re-seating the memory and see if that helps. If not its at least and inexpensive replacement (compared to a logic board)
    At the moment I am running a fresh installation of OSX with only Chrome browser, VLC and flash installed. I thought maybe conflicting driver or application so went to this but still rebooting randomly. I'll reseat the memory now.

    For my own future reading of error messages, what portion of the error message indicated possible memory issues?
    I had run hardware test and memory came back "ok"

  4. #4


    Member Since
    Jun 01, 2013
    Posts
    7
    Mem Test results:

    Memtest version 4.22 (64-bit)
    Copyright (C) 2004 Charles Cazabon
    Copyright (C) 2004-2008 Tony Scaminaci (Macintosh port)
    Licensed under the GNU General Public License version 2 only

    Mac OS X 10.8.3 (12D78) running in multiuser mode
    Memory Page Size: 4096
    System has 4 Intel core(s) with SSE
    Requested memory: 1608MB (1686585344 bytes)
    Available memory: 1608MB (1686585344 bytes)
    Allocated memory: 1608MB (1686585344 bytes) at local address 0x0000000101000000
    Attempting memory lock... locked successfully
    Partitioning memory into 2 comparison buffers...
    Buffer A: 804MB (843292672 bytes) starts at local address 0x0000000101000000
    Buffer B: 804MB (843292672 bytes) starts at local address 0x000000013343a000

    Running 2 test sequences... (CTRL-C to quit)

    Test sequence 1 of 2:

    Running tests on full 1608MB region...
    Stuck Address : ok
    Linear PRN : ok
    Running comparison tests using 804MB buffers...
    Random Value : ok
    Compare XOR : ok
    Compare SUB : ok
    Compare MUL : ok
    Compare DIV : ok
    Compare OR : ok
    Compare AND : ok
    Sequential Increment: ok
    Solid Bits : ok
    Block Sequential : ok
    Checkerboard : ok
    Bit Spread : ok
    Bit Flip : ok
    Walking Ones : ok
    Walking Zeroes : ok

    Test sequence 2 of 2:

    Running tests on full 1608MB region...
    Stuck Address : ok
    Linear PRN : ok
    Running comparison tests using 804MB buffers...
    Random Value : ok
    Compare XOR : ok
    Compare SUB : ok
    Compare MUL : ok
    Compare DIV : ok
    Compare OR : ok
    Compare AND : ok
    Sequential Increment: ok
    Solid Bits : ok
    Block Sequential : ok
    Checkerboard : ok
    Bit Spread : ok
    Bit Flip : ok
    Walking Ones : ok
    Walking Zeroes : ok

    All tests passed! Execution time: 1048 seconds.

  5. #5

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Fort Worth, Texas
    Posts
    48,814
    Specs:
    Late 2013 27" iMac, iPad 3, iPhone 6s+, iPhone 6+, 3 iPods, El Capitan
    Looks like the memory may be OK. Did you try the safe boot mode as I suggested above?

  6. #6


    Member Since
    Jun 01, 2013
    Posts
    7
    I just now booted into safe mode after another crash. It has run fine for the last 2 days after the clean installation and has started acting up again this afternoon.
    I am starting to suspect Apple's "Messages" app as it seemed to run fine earlier until I started running "Messages" then it crashed again. Probably unrelated though.

  7. #7


    Member Since
    Jun 01, 2013
    Posts
    7
    And it crashed in safe mode......the only thing open was Chrome. It looks the same to me but just incase here is the report:

    Interval Since Last Panic Report: 35553 sec
    Panics Since Last Report: 5
    Anonymous UUID: C7E33EBD-5B6C-E4B6-2FF3-FAEB6A7F3C33

    Sat Jun 1 18:15:29 2013
    Machine-check capabilities 0x0000000000000c07:
    family: 6 model: 42 stepping: 7 microcode: 26
    Intel(R) Core(TM) i5-2415M CPU @ 2.30GHz
    7 error-reporting banks
    threshold-based error status present
    extended corrected memory error handling present
    Processor 0: machine-check status 0x0000000000000005:
    restart IP valid
    machine-check in progress
    MCA error-reporting registers:
    IA32_MC0_STATUS(0x401): 0xf200128000010005 valid
    MCA error code: 0x0005
    Model specific error code: 0x0001
    Other information: 0x00001280
    Threshold-based status: Undefined
    Status bits:
    Processor context corrupt
    Error enabled
    Uncorrected error
    Error overflow
    IA32_MC1_STATUS(0x405): 0x0980000000000000 invalid
    IA32_MC2_STATUS(0x409): 0x0000000000000000 invalid
    IA32_MC3_STATUS(0x40d): 0x0000000000000000 invalid
    IA32_MC4_STATUS(0x411): 0x0000000000000000 invalid
    IA32_MC5_STATUS(0x415): 0x0020000000000000 invalid
    IA32_MC6_STATUS(0x419): 0x0020000000000000 invalid
    Processor 1: machine-check status 0x0000000000000005:
    restart IP valid
    machine-check in progress
    MCA error-reporting registers:
    IA32_MC0_STATUS(0x401): 0xf200128000010005 valid
    MCA error code: 0x0005
    Model specific error code: 0x0001
    Other information: 0x00001280
    Threshold-based status: Undefined
    Status bits:
    Processor context corrupt
    Error enabled
    Uncorrected error
    Error overflow
    IA32_MC1_STATUS(0x405): 0x0980000000000000 invalid
    IA32_MC2_STATUS(0x409): 0x0000000000000000 invalid
    IA32_MC3_STATUS(0x40d): 0x0000000000000000 invalid
    IA32_MC4_STATUS(0x411): 0x0000000000000000 invalid
    IA32_MC5_STATUS(0x415): 0x0020000000000000 invalid
    IA32_MC6_STATUS(0x419): 0x0020000000000000 invalid
    Processor 2: no valid machine-check state
    Processor 3: no valid machine-check state
    panic(cpu 0 caller 0xffffff80002b8709): "Machine Check at 0x000000010a1d0a9a, registersn" "CR0: 0x0000000080010033, CR2: 0x00007fbae3e30000, CR3: 0x0000000016c27001, CR4: 0x00000000000606e0\n" "RAX: 0x0000000000000007, RBX: 0x000000010a3d1a00, RCX: 0x000000010a3c1e48, RDX: 0x000000010a3d1a00\n" "RSP: 0x00007fff55e77250, RBP: 0x00007fff55e77270, RSI: 0x000000010a3d1a00, RDI: 0x000000010a3c42c0\n" "R8: 0x000000010a3d1a00, R9: 0x000000010a3d1a10, R10: 0x000000010a3d4990, R11: 0x000000010a355200\n" "R12: 0x0000000000000002, R13: 0x000000010a3d1a00, R14: 0x000000010a3d1a00, R15: 0x000000010a3c42c0\n" "RFL: 0x0000000000000246, RIP: 0x000000010a1d0a9a, CS: 0x000000000000002b, SS: 0x0000000000000023\n" "Error code: 0x0000000000000000\n"@/SourceCache/xnu/xnu-2050.22.13/osfmk/i386/trap_native.c:280
    Backtrace (CPU 0), Frame : Return Address
    0xffffff800010bd20 : 0xffffff800021d626
    0xffffff800010bd90 : 0xffffff80002b8709
    0xffffff800010bf00 : 0xffffff80002cddaf

    BSD process name corresponding to current thread: kextd
    Boot args: -x

    Mac OS version:
    12D78

    Kernel version:
    Darwin Kernel Version 12.3.0: Sun Jan 6 22:37:10 PST 2013; root:xnu-2050.22.13~1/RELEASE_X86_64
    Kernel UUID: 3EB7D8A7-C2D3-32EC-80F4-AB37D61492C6
    System model name: MacBookPro8,1 (Mac-94245B3640C91C81)

    System uptime in nanoseconds: 302858924577
    last loaded kext at 67750508813: com.apple.driver.AppleHWSensor 1.9.5d0 (addr 0xffffff7f8113c000, size 28672)
    last unloaded kext at 215521694945: com.apple.driver.AppleUSBUHCI 5.2.5 (addr 0xffffff7f80998000, size 65536)
    loaded kexts:
    com.apple.driver.AppleHWSensor 1.9.5d0
    com.apple.driver.AGPM 100.12.87
    com.apple.driver.AppleBacklight 170.2.5
    com.apple.Dont_Steal_Mac_OS_X 7.0.0
    com.apple.iokit.BroadcomBluetoothHCIControllerUSBT ransport 4.1.3f3
    com.apple.driver.AppleLPC 1.6.0
    com.apple.driver.AppleMCCSControl 1.1.11
    com.apple.driver.AppleIntelSNBGraphicsFB 8.1.0
    com.apple.driver.ApplePolicyControl 3.3.0
    com.apple.driver.ACPI_SMC_PlatformPlugin 1.0.0
    com.apple.filesystems.autofs 3.0
    com.apple.driver.AppleUSBTCButtons 237.1
    com.apple.driver.AppleUSBTCKeyboard 237.1
    com.apple.driver.AppleIRController 320.15
    com.apple.iokit.SCSITaskUserClient 3.5.5
    com.apple.driver.XsanFilter 404
    com.apple.BootCache 34
    com.apple.AppleFSCompression.AppleFSCompressionTyp eZlib 1.0.0d1
    com.apple.iokit.IOAHCIBlockStorage 2.3.1
    com.apple.AppleFSCompression.AppleFSCompressionTyp eDataless 1.0.0d1
    com.apple.driver.AppleUSBHub 5.5.5
    com.apple.driver.AppleSDXC 1.4.0
    com.apple.iokit.AppleBCM5701Ethernet 3.6.0b1
    com.apple.driver.AppleFWOHCI 4.9.6
    com.apple.driver.AirPort.Brcm4331 614.20.16
    com.apple.driver.AppleEFINVRAM 1.7
    com.apple.driver.AppleAHCIPort 2.5.1
    com.apple.driver.AppleUSBEHCI 5.5.0
    com.apple.driver.AppleSmartBatteryManager 161.0.0
    com.apple.driver.AppleACPIButtons 1.7
    com.apple.driver.AppleRTC 1.5
    com.apple.driver.AppleHPET 1.8
    com.apple.driver.AppleSMBIOS 1.9
    com.apple.driver.AppleACPIEC 1.7
    com.apple.driver.AppleAPIC 1.6
    com.apple.driver.AppleIntelCPUPowerManagementClien t 196.0.0
    com.apple.security.quarantine 2
    com.apple.nke.applicationfirewall 4.0.39
    com.apple.driver.AppleIntelCPUPowerManagement 196.0.0
    com.apple.iokit.IOSurface 86.0.4
    com.apple.iokit.IOBluetoothFamily 4.1.3f3
    com.apple.iokit.AppleBluetoothHCIControllerUSBTran sport 4.1.3f3
    com.apple.driver.AppleSMBusPCI 1.0.11d0
    com.apple.driver.AppleSMBusController 1.0.11d0
    com.apple.driver.AppleBacklightExpert 1.0.4
    com.apple.driver.AppleGraphicsControl 3.3.0
    com.apple.iokit.IONDRVSupport 2.3.7
    com.apple.iokit.IOGraphicsFamily 2.3.7
    com.apple.driver.AppleSMC 3.1.4d2
    com.apple.driver.IOPlatformPluginLegacy 1.0.0
    com.apple.driver.IOPlatformPluginFamily 5.3.0d51
    com.apple.kext.triggers 1.0
    com.apple.driver.AppleThunderboltDPInAdapter 1.8.9
    com.apple.driver.AppleThunderboltDPAdapterFamily 1.8.9
    com.apple.driver.AppleThunderboltPCIDownAdapter 1.2.6
    com.apple.driver.AppleUSBMultitouch 237.3
    com.apple.iokit.IOUSBHIDDriver 5.2.5
    com.apple.driver.AppleUSBMergeNub 5.5.5
    com.apple.driver.AppleUSBComposite 5.2.5
    com.apple.iokit.IOSCSIMultimediaCommandsDevice 3.5.5
    com.apple.iokit.IOBDStorageFamily 1.7
    com.apple.iokit.IODVDStorageFamily 1.7.1
    com.apple.iokit.IOCDStorageFamily 1.7.1
    com.apple.driver.AppleThunderboltNHI 1.6.3
    com.apple.iokit.IOThunderboltFamily 2.2.6
    com.apple.iokit.IOAHCISerialATAPI 2.5.1
    com.apple.iokit.IOSCSIArchitectureModelFamily 3.5.5
    com.apple.iokit.IOEthernetAVBController 1.0.2b1
    com.apple.iokit.IOFireWireFamily 4.5.5
    com.apple.iokit.IO80211Family 522.4
    com.apple.iokit.IONetworkingFamily 3.0
    com.apple.iokit.IOUSBUserClient 5.5.5
    com.apple.iokit.IOAHCIFamily 2.3.1
    com.apple.iokit.IOUSBFamily 5.5.5
    com.apple.driver.AppleEFIRuntime 1.7
    com.apple.iokit.IOHIDFamily 1.8.1
    com.apple.iokit.IOSMBusFamily 1.1
    com.apple.security.TMSafetyNet 7
    com.apple.security.sandbox 220.2
    com.apple.kext.AppleMatch 1.0.0d1
    com.apple.driver.DiskImages 345
    com.apple.iokit.IOStorageFamily 1.8
    com.apple.driver.AppleKeyStore 28.21
    com.apple.driver.AppleACPIPlatform 1.7
    com.apple.iokit.IOPCIFamily 2.7.3
    com.apple.iokit.IOACPIFamily 1.4
    com.apple.kec.corecrypto 1.0
    Model: MacBookPro8,1, BootROM MBP81.0047.B27, 2 processors, Intel Core i5, 2.3 GHz, 4 GB, SMC 1.68f99
    Graphics: Intel HD Graphics 3000, Intel HD Graphics 3000, Built-In, 384 MB
    Memory Module: BANK 0/DIMM0, 2 GB, DDR3, 1333 MHz, 0x80CE, 0x4D34373142353737334448302D4348392020
    Memory Module: BANK 1/DIMM0, 2 GB, DDR3, 1333 MHz, 0x80CE, 0x4D34373142353737334448302D4348392020
    AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0xD6), Broadcom BCM43xx 1.0 (5.106.98.100.16)
    Bluetooth: Version 4.1.3f3 11349, 2 service, 11 devices, 1 incoming serial ports
    Network Service: Wi-Fi, AirPort, en1
    Serial ATA Device: Hitachi HTS545032B9A302, 320.07 GB
    Serial ATA Device: HL-DT-ST DVDRW GS31N
    USB Device: FaceTime HD Camera (Built-in), apple_vendor_id, 0x8509, 0xfa200000 / 3
    USB Device: hub_device, 0x0424 (SMSC), 0x2513, 0xfa100000 / 2
    USB Device: BRCM2070 Hub, 0x0a5c (Broadcom Corp.), 0x4500, 0xfa110000 / 5
    USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x821a, 0xfa113000 / 8
    USB Device: Apple Internal Keyboard / Trackpad, apple_vendor_id, 0x0252, 0xfa120000 / 4
    USB Device: hub_device, 0x0424 (SMSC), 0x2513, 0xfd100000 / 2
    USB Device: IR Receiver, apple_vendor_id, 0x8242, 0xfd110000 / 3

  8. #8

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Fort Worth, Texas
    Posts
    48,814
    Specs:
    Late 2013 27" iMac, iPad 3, iPhone 6s+, iPhone 6+, 3 iPods, El Capitan
    If it's crashing in safe mode, it's very likely a hardware error. The kernel panic log listing you posted still shows the same strange memory error:

    7 error-reporting banks
    threshold-based error status present
    extended corrected memory error handling present
    Is there an Apple store nearby your home? You might want to take it on in and have Apple run their diagnostic software on it to see if it comes up with something. They should be able to do that for free. Just don't allow them to repair anything without them first telling you the cost.

  9. #9


    Member Since
    Jun 01, 2013
    Posts
    7
    At the moment no but I will be near an Apple store within a month or so.

    Would their diagnostics differ from the Apple Hardware Test software on Intel based systems?

    I'm comfortable replacing almost any part I just cant figure out why all the tests come back as "ok" yet clearly something is off.

  10. #10

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Fort Worth, Texas
    Posts
    48,814
    Specs:
    Late 2013 27" iMac, iPad 3, iPhone 6s+, iPhone 6+, 3 iPods, El Capitan
    Yes, their diagnostic software is proprietary and only for use by Apple techs. The Apple Hardware Test will pick up some general hardware errors but is not designed to find board level problems. When did it start to crash since it appears you've had the machine for awhile?

  11. #11


    Member Since
    Jun 01, 2013
    Posts
    7
    Good to know. Its actually been doing it for awhile (but conveniently still after warranty was out) I've "lived with it" as its primarily used for lighter work (web, chat, etc) but as I've tried the more common things to solve the issue it has sparked my interest in finding the root of the problem. Ironically enough I had determined to not purchase Apple care just weeks before it started crashing.
    As to the age, while the model is early 2011, I've only had it for just under 2 years. It was an Apple refurb purchase and had no issues for quite some time. Even now when the crashing has come back it had not crashed for close to a month after reseting the SMC and PRAM.

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