Seemingly Random Kernel Panics?

Discussion in 'Mac OS X Lion (10.7)' started by vcantrell, May 13, 2012.

  1. vcantrell macrumors member


    Jun 11, 2011
    Chattanooga, TN
    Hey all,

    I consider myself well acquainted to IT support and can usually solve a lot of my own problems when it comes to computers and especially Macs (seeing as I'm a computer science major), but this one really has me stumped.

    I have a late 2011 MBP 15" i7 2.4Ghz with the antiglare display. I upgraded the RAM with 12GB OWC (other world computing - also known as Macsales) 1333Mhz RAM and I used the OWC Data Doubler with an OWC Mercury Extreme 3G 120GB SSD in place of my optical drive. I have had this configuration in my past 4 MacBook Pros since 2009 and have loved it (The data doubler anyway, the RAM I only upgraded last November).

    In the past two weeks my computer has started crashing for what seems to be no reason at all. Usually I can pinpoint Kernel panics by what I was doing at the time, but this seems completely random. It did it the other day while I was working with dreamweaver, it did it a few days before that while I was copying things to my firewire 800 external, it did it yesterday while I wasn't even using the computer, just playing music with pandora, and it did it last night while I was working with Final Cut Pro X.

    I would say it might be the hard drive, but I JUST replaced my OWC Mercury Extreme 3G with an OWC Mercury Electra 6G two days ago and it didn't fix it. I used TechTool Pro to test the RAM which also came back fine, which leads me to believe it might be software related?

    I have coppied the entire kernal panic log that was submitted to Apple to see if anyone with more technological experience than myself might have a better change decoding it than I am. Anybody see anything that might be the cause?

    Interval Since Last Panic Report:  80404 sec
    Panics Since Last Report:          2
    Anonymous UUID:                    2B319B20-D972-4261-B2F5-FB5EE37FD105
    Sun May 13 05:38:43 2012
    panic(cpu 4 caller 0xffffff7f812f1237): "AppleAHCI: slot (0) reused, newFIS = 0xaaef8027 : 0x00000000 : 0x00000000 : 0x00000000, currentFIS = 0x002f8027 : 0x00000010 : 0x00000000 : 0x00000001, PxCI = 0x00000001, PxSact = 0x00000000\n"@/SourceCache/AppleAHCI/AppleAHCI-230.0.7/AppleAHCIPort.cpp:3872
    Backtrace (CPU 4), Frame : Return Address
    0xffffff81622dbc70 : 0xffffff8000220792 
    0xffffff81622dbcf0 : 0xffffff7f812f1237 
    0xffffff81622dbd70 : 0xffffff800063ce01 
    0xffffff81622dbdd0 : 0xffffff7f812f145b 
    0xffffff81622dbe20 : 0xffffff7f80d16bfe 
    0xffffff81622dbe50 : 0xffffff7f80d180e4 
    0xffffff81622dbe80 : 0xffffff7f80d33cb8 
    0xffffff81622dbeb0 : 0xffffff7f80d3432f 
    0xffffff81622dbed0 : 0xffffff7f80d33eb3 
    0xffffff81622dbef0 : 0xffffff7f80d331ee 
    0xffffff81622dbf70 : 0xffffff800023dbbc 
    0xffffff81622dbfb0 : 0xffffff8000820057 
          Kernel Extensions in backtrace:
    BSD process name corresponding to current thread: kernel_task
    Mac OS version:
    Kernel version:
    Darwin Kernel Version 11.4.0: Mon Apr  9 19:32:15 PDT 2012; root:xnu-1699.26.8~1/RELEASE_X86_64
    Kernel UUID: A8ED611D-FB0F-3729-8392-E7A32C5E7D74
    System model name: MacBookPro8,2 (Mac-94245A3940C91C80)
    System uptime in nanoseconds: 3348936819432
    last loaded kext at 11141092718: 1.9.5d0 (addr 0xffffff7f81e69000, size 28672)
    loaded kexts:
    com.logmein.driver.LogMeInSoundDriver 1.0.0
    at.obdev.nke.LittleSnitch 2.5.1 1.9.5d0 3.0 1.59 1.0.0d1 3.5.9 4.0.5f11 122 1.0.26 2.2.0f3 7.0.0 1.0.2d2 100.12.42 2.2.0f3 7.1.8 7.1.8 2.2.0f3 1.2.2 7.1.8 3.0.2d6 5.0.0d0 3.1.2b2 2.0.1d2 3.0.16 530.4.20 5.0.0d0 1.5.8 170.1.9 225.2 4.0.5f11 225.2 225.2 312 182.11.0 1.0.0d1 1.0.0d1 33 404 2.0.3 4.5.0 4.8.9 1.2.0 1.5.0 2.3.0 161.0.0 4.5.8 4.4.5 1.5 1.5 1.6 1.8 1.5 1.5 193.0.0 3.2.30 1.3 193.0.0 1.0 3.2.0 80.0.2 10.0.5 2.2.0f3 1.8.6fc17 1.3 1.0.10d0 1.0.1b1 2.2.4 2.2.0f3 2.2.0f3 3.0.16 3.0.16 420.3 2.1 3.1.3d8 5.0.0d0 1.0.10d0 5.1.0d17 1.0.3 2.3.2 1.1.8 1.1.8 1.8.2 7.1.8 7.1.8 7.1.8 2.3.2 13 1.8.2 1.8.2 1.2.4 4.0.5f11 4.0.5f11 227.1 4.4.5 4.5.3 4.5.8 182.11.0 1.5.5 2.0.0 4.5.8 4.4.5 2.0.8 4.5.8 1.5.0 1.7.1 1.1 177.5 1.0.0d1 7 331.6 1.7.1 28.18 1.5 2.6.8 1.4
    Model: MacBookPro8,2, BootROM MBP81.0047.B27, 4 processors, Intel Core i7, 2.4 GHz, 12 GB, SMC 1.69f3
    Graphics: AMD Radeon HD 6770M, AMD Radeon HD 6770M, PCIe, 1024 MB
    Graphics: Intel HD Graphics 3000, Intel HD Graphics 3000, Built-In, 512 MB
    Memory Module: BANK 0/DIMM0, 4 GB, DDR3, 1333 MHz, 0x857F, 0x483634353155363446393333334700000000
    Memory Module: BANK 1/DIMM0, 8 GB, DDR3, 1333 MHz, 0x857F, 0x483634314755363746393333334700000000
    AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0xD6), Broadcom BCM43xx 1.0 (
    Bluetooth: Version 4.0.5f11, 2 service, 18 devices, 1 incoming serial ports
    Network Service: Wi-Fi, AirPort, en1
    Serial ATA Device: Hitachi HTS725050A9A362, 500.11 GB
    Serial ATA Device: OWC Mercury Electra 6G SSD, 120.03 GB
    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
    Any help anyone might have would be incredible. Thanks.
  2. Mattie Num Nums macrumors 68030

    Mattie Num Nums

    Mar 5, 2009
    Don't rely on tech tool. When I was a genius it would tell us RAM was fine when it was the issue 9/10 times.

    Pull the RAM and put the stock RAM in and use it for a few days. RAM, Processors (MP/G5), Logic Boards (MP/G5), and OS where almost always the culprits especially RAM.

    My rule of thumb. When you see a KP, Disk Utility from another computer, then remove the 3rd Party RAM, then remove all cards (Graphics, etc.), then OS Wipe, then Genius Bar trip.

    Good Luck.

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