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  • SignoreMassimo Level 1 Level 1 (0 points)

    Thanks BocaBoy and Juri Munkki.

     

    The Genius was referring to the CPU. Although he didn't seem a 100% covinced and he had to seek advice from his collegues himself (which I think is perfectly fine, I'd rather have that than one of the guys who'll sell you their guesswork as knowledge).

     

    Boca, I see your point about buying a new machine.

    I'll consider it but I fear I wont be able to afford a new macbook. I can hardly afford the repair. Even if I can sell the broken machine for -say- 400 (and that's a very optimistic thought). I'd still be spending 500+ on a new MB.


    But as I said I think you're right spending that much money on the repair isn't economical, I'll definitely think about it.

     

    Thanks again Juri Munkki,

     

    I bought my memory from Mr Memory because it comes with a life time warranty . They sell specific Mac memory. I ordered 2x4gb Transcend modules and before that I used Corsair modules (same spec). The Corsairs worked fine for 2 years.

     

    I'll check the pin number again. But a 240 module wouldn't fit in a 204 pin slot, would it? I'll try swapping it around, my only problem is that, as you said, the problems are hard to reproduce so I might not get a kernel panic for weeks or so and then suddenly 5 or 6 in a row. In fact I am writing this from my MBP right now. I thought about the connectors as well.

     

    I'll see if I can update to Mavericks and pray it won't crash during the update. I've got it hooked up to a time machine drive, do you think this will suffice as a means of backup? Or should I rather make a carbon copy of the drive?

     

    I'll post the original kp report in case you are interested. This was the first kp since the RAM replacement. The one I posted before occured after this one:

     

     

     

    Interval Since Last Panic Report:  4550738 sec

    Panics Since Last Report:          4

    Anonymous UUID:                    56054A53-48AD-586E-9467-4A0FE1DCD0D5

     

     

    Sun May  4 23:40:44 2014

    panic(cpu 0 caller 0xffffff8001eb8945): Kernel trap at 0xffffff80144d9000, type 14=page fault, registers:

    CR0: 0x000000008001003b, CR2: 0xffffff80144d9000, CR3: 0x0000000004925000, CR4: 0x0000000000000660

    RAX: 0x0000000000000000, RBX: 0xffffff80d3c6d000, RCX: 0xffffff80144d9000, RDX: 0x0000000000000000

    RSP: 0xffffff80f207bc78, RBP: 0xffffff7f82498969, RSI: 0xffffff80144d9000, RDI: 0xffffff8014061940

    R8:  0x0000000000000000, R9:  0x0000000000000000, R10: 0xffffff80f207bd00, R11: 0x0000000000000246

    R12: 0xffffff8014553401, R13: 0xffffff8014265c00, R14: 0xffffff7f825914be, R15: 0xffffff80144d9000

    RFL: 0x0000000000010292, RIP: 0xffffff80144d9000, CS:  0x0000000000000008, SS:  0x0000000000000010

    Fault CR2: 0xffffff80144d9000, Error code: 0x0000000000000011, Fault CPU: 0x0 Kernel NX fault

     

     

    Backtrace (CPU 0), Frame : Return Address

    0xffffff80f207b910 : 0xffffff8001e1d636

    0xffffff80f207b980 : 0xffffff8001eb8945

    0xffffff80f207bb50 : 0xffffff8001ecebfd

    0xffffff80f207bb70 : 0xffffff80144d9000

    Unaligned frame

    Backtrace terminated-invalid frame pointer 0xffffff7f82498969

     

     

    BSD process name corresponding to current thread: kernel_task

     

     

    Mac OS version:

    12F45

     

     

    Kernel version:

    Darwin Kernel Version 12.5.0: Sun Sep 29 13>33:47 PDT 2013; root:xnu-2050.48.12~1/RELEASE_X86_64

    Kernel UUID: EA38B02E-2B88-309F-BA68-1DE29F605DD8

    Kernel slide:     0x0000000001c00000

    Kernel text base: 0xffffff8001e00000

    System model name: MacBookPro6,2 (Mac-F22586C8)

     

     

    System uptime in nanoseconds: 7556589369982

    last loaded kext at 1w5374675955: com.apple.filesystems.smbfs          1.8.4 (addr 0xffffff7f8241c000, size 229376)

    last unloaded kext at 250185398533: com.apple.driver.AppleUSBUHCI          621.4.0 (addr 0xffffff7f82ed8000, size 65536)

    loaded kexts:

    com.apple.filesystems.smbfs          1.8.4

    com.apple.filesystems.ntfs          3.10

    com.apple.iokit.IOBluetoothSerialManager          4.1.7f2

    com.apple.driver.AppleHWSensor          1.9.5d0

    com.apple.driver.AudioAUUC          1.60

    com.apple.driver.AGPM          100.13.12

    com.apple.driver.AppleMikeyHIDDriver          124

    com.apple.iokit.IOUserEthernet          1.0.0d1

    com.apple.driver.AppleHDA          2.4.7fc4

    com.apple.driver.AppleMikeyDriver          2.4.7fc4

    com.apple.Dont_Steal_Mac_OS_X          7.0.0

    com.apple.driver.ApplePolicyControl          3.4.5

    com.apple.driver.AppleSMCPDRC          1.0.0

    com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport          4.1.7f4

    com.apple.driver.AppleSMCLMU          2.0.3d0

    com.apple.GeForce          8.1.6

    com.apple.driver.ACPI_SMC_PlatformPlugin          1.0.0

    com.apple.driver.AppleSMBusPCI          1.0.11d1

    com.apple.driver.AppleLPC          1.6.3

    com.apple.filesystems.autofs          3.0

    com.apple.driver.AppleUpstreamUserClient          3.5.12

    com.apple.driver.AppleIntelHDGraphics          8.1.6

    com.apple.driver.AppleIntelHDGraphicsFB          8.1.6

    com.apple.driver.AppleMuxControl          3.4.5

    com.apple.driver.AppleMCCSControl          1.1.11

    com.apple.driver.SMCMotionSensor          3.0.3d1

    com.apple.driver.AppleUSBTCButtons          237.1

    com.apple.driver.Oxford_Semi          3.3.1

    com.apple.driver.AppleUSBTCKeyboard          237.1

    com.apple.driver.AppleUSBCardReader          3.3.1

    com.apple.driver.AppleIRController          320.15

    com.apple.AppleFSCompression.AppleFSCompressionTypeDataless          1.0.0d1

    com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1

    com.apple.BootCache          34

    com.apple.iokit.SCSITaskUserClient          3.5.6

    com.apple.driver.XsanFilter          404

    com.apple.iokit.IOAHCIBlockStorage          2.3.5

    com.apple.driver.AppleFWOHCI          4.9.9

    com.apple.driver.AirPort.Brcm4331          615.20.17

    com.apple.driver.AppleUSBHub          635.4.0

    com.apple.driver.AppleAHCIPort          2.6.6

    com.apple.iokit.AppleBCM5701Ethernet          3.6.2b4

    com.apple.driver.AppleUSBEHCI          621.4.6

    com.apple.driver.AppleSmartBatteryManager          161.0.0

    com.apple.driver.AppleRTC          1.5

    com.apple.driver.AppleACPIButtons          1.8

    com.apple.driver.AppleHPET          1.8

    com.apple.driver.AppleSMBIOS          1.9

    com.apple.driver.AppleACPIEC          1.8

    com.apple.driver.AppleAPIC          1.7

    com.apple.driver.AppleIntelCPUPowerManagementClient          214.0.0

    com.apple.nke.applicationfirewall          4.0.39

    com.apple.security.quarantine          2.1

    com.apple.driver.AppleIntelCPUPowerManagement          214.0.0

    com.apple.iokit.IOSerialFamily          10.0.6

    com.apple.iokit.IOSurface          86.0.4

    com.apple.iokit.IOBluetoothFamily          4.1.7f2

    com.apple.driver.DspFuncLib          2.4.7fc4

    com.apple.iokit.IOAudioFamily          1.9.2fc7

    com.apple.kext.OSvKernDSPLib          1.12

    com.apple.iokit.IOBluetoothHostControllerUSBTransport          4.1.7f2

    com.apple.iokit.IOFireWireIP          2.2.5

    com.apple.nvidia.nv50hal          8.1.6

    com.apple.driver.AppleHDAController          2.4.7fc4

    com.apple.iokit.IOHDAFamily          2.4.7fc4

    com.apple.driver.IOPlatformPluginLegacy          1.0.0

    com.apple.driver.IOPlatformPluginFamily          5.4.1d13

    com.apple.NVDAResman          8.1.6

    com.apple.kext.triggers          1.0

    com.apple.driver.AppleGraphicsControl          3.4.5

    com.apple.driver.AppleBacklightExpert          1.0.4

    com.apple.iokit.IONDRVSupport          2.3.7

    com.apple.driver.AppleSMBusController          1.0.11d1

    com.apple.iokit.IOGraphicsFamily          2.3.7

    com.apple.driver.AppleSMC          3.1.5d4

    com.apple.driver.AppleUSBMultitouch          237.3

    com.apple.iokit.IOFireWireSerialBusProtocolTransport          2.1.1

    com.apple.iokit.IOFireWireSBP2          4.2.5

    com.apple.iokit.IOSCSIBlockCommandsDevice          3.5.6

    com.apple.iokit.IOUSBMassStorageClass          3.5.2

    com.apple.iokit.IOUSBHIDDriver          623.4.0

    com.apple.iokit.IOSCSIMultimediaCommandsDevice          3.5.6

    com.apple.iokit.IOBDStorageFamily          1.7

    com.apple.iokit.IODVDStorageFamily          1.7.1

    com.apple.iokit.IOCDStorageFamily          1.7.1

    com.apple.driver.AppleUSBMergeNub          621.4.6

    com.apple.driver.AppleUSBComposite          621.4.0

    com.apple.iokit.IOAHCISerialATAPI          2.5.5

    com.apple.iokit.IOSCSIArchitectureModelFamily          3.5.6

    com.apple.iokit.IOFireWireFamily          4.5.5

    com.apple.iokit.IO80211Family          530.5

    com.apple.iokit.IOUSBUserClient          630.4.4

    com.apple.iokit.IOAHCIFamily          2.5.1

    com.apple.iokit.IOEthernetAVBController          1.0.2b1

    com.apple.iokit.IONetworkingFamily          3.0

    com.apple.iokit.IOUSBFamily          635.4.0

    com.apple.driver.AppleEFINVRAM          2.0

    com.apple.driver.AppleEFIRuntime          2.0

    com.apple.iokit.IOHIDFamily          1.8.1

    com.apple.iokit.IOSMBusFamily          1.1

    com.apple.security.sandbox          220.3

    com.apple.kext.AppleMatch          1.0.0d1

    com.apple.security.TMSafetyNet          7

    com.apple.driver.DiskImages          345

    com.apple.iokit.IOStorageFamily          1.8

    com.apple.driver.AppleKeyStore          28.21

    com.apple.driver.AppleACPIPlatform          1.8

    com.apple.iokit.IOPCIFamily          2.8

    com.apple.iokit.IOACPIFamily          1.4

    com.apple.kec.corecrypto          1.0

    System Profile:

    Model: MacBookPro6,2, BootROM MBP61.0057.B0F, 2 processors, Intel Core i5, 2.4 GHz, 8 GB, SMC 1.58f17

    Graphics: Intel HD Graphics, Intel HD Graphics, Built-In, 288 MB

    Graphics: NVIDIA GeForce GT 330M, NVIDIA GeForce GT 330M, PCIe, 256 MB

    Memory Module: BANK 0/DIMM0, 4 GB, DDR3, 1067 MHz, 0x80CE, 0x4D34373142353237334448302D4348392020

    Memory Module: BANK 1/DIMM0, 4 GB, DDR3, 1067 MHz, 0x80CE, 0x4D34373142353237334448302D4348392020

    AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x93), Broadcom BCM43xx 1.0 (5.106.98.100.17)

    Bluetooth: Version 4.1.7f2 12718, 3 service, 13 devices, 3 incoming serial ports

    Network Service: AirPort, AirPort, en1

    Serial ATA Device: SAMSUNG HN-M101MBB, 1 TB

    Serial ATA Device: MATSHITADVD-R   UJ-898

    USB Device: hub_device, 0x0424  (SMSC), 0x2514, 0xfa100000 / 2

    USB Device: Apple Internal Keyboard / Trackpad, apple_vendor_id, 0x0237, 0xfa120000 / 5

    USB Device: BRCM2070 Hub, 0x0a5c  (Broadcom Corp.), 0x4500, 0xfa110000 / 4

    USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x8218, 0xfa113000 / 7

    USB Device: Internal Memory Card Reader, apple_vendor_id, 0x8403, 0xfa130000 / 3

    USB Device: hub_device, 0x0424  (SMSC), 0x2514, 0xfd100000 / 2

    USB Device: Built-in iSight, apple_vendor_id, 0x8507, 0xfd110000 / 4

    USB Device: IR Receiver, apple_vendor_id, 0x8242, 0xfd120000 / 3

    FireWire Device: d2 quadra (button), LaCie, 800mbit_speed

     

    Message was edited by: SignoreMassimo (forgot something)

  • Grant Bennet-Alder Level 9 Level 9 (52,230 points)

    You look to be having a continuing RAM problem.

     

    If your Mac is broken, and you have nothing to lose, I suggest you slightly loosen the screws retaining the RAM slots to the motherboard (or loosen them until they are quite loose, then tighten them until they are just snug).

     

    This has been reported to help some RAM problems, and is completely non-scientific.

  • starliteyes Level 1 Level 1 (10 points)

    Is anyone able to understand why this kernel panic on Maverick happened? The computer shut itself down and restarted while in the middle of copying files to an external drive.

     

     

    Anonymous UUID:       8B3B858B-F2F4-79C4-774A-5520A1BF10BA

     

     

    Tue Jun 10 20:36:05 2014

    panic(cpu 2 caller 0xffffff8001ed0f5b): Releasing non-exclusive RW lock without a reader refcount!

    Backtrace (CPU 2), Frame : Return Address

    0xffffff81ed4938d0 : 0xffffff8001e22fa9

    0xffffff81ed493950 : 0xffffff8001ed0f5b

    0xffffff81ed493990 : 0xffffff7f84538b93

    0xffffff81ed4939e0 : 0xffffff8001ffc1d7

    0xffffff81ed493a60 : 0xffffff8001ff5275

    0xffffff81ed493c00 : 0xffffff8001ff149a

    0xffffff81ed493d80 : 0xffffff8001fe96dc

    0xffffff81ed493f50 : 0xffffff8002240653

    0xffffff81ed493fb0 : 0xffffff8001ef3c56

          Kernel Extensions in backtrace:

             com.apple.filesystems.afpfs(11.1)[DCC45CDD-E950-364F-8221-1A914106BC59]@0xfffff f7f84513000->0xffffff7f84561fff

                dependency: com.apple.security.SecureRemotePassword(1.0)[BC0BAB92-C8C9-3959-AA42-272AF578DF D9]@0xffffff7f84502000

     

     

    BSD process name corresponding to current thread: fseventsd

     

     

    Mac OS version:

    13D65

     

     

    Kernel version:

    Darwin Kernel Version 13.2.0: Thu Apr 17 23:03:13 PDT 2014; root:xnu-2422.100.13~1/RELEASE_X86_64

    Kernel UUID: ADD73AE6-88B0-32FB-A8BB-4F7C8BE4092E

    Kernel slide:     0x0000000001c00000

    Kernel text base: 0xffffff8001e00000

    System model name: MacPro5,1 (Mac-F221BEC8)

     

     

    System uptime in nanoseconds: 88788320334695

    last loaded kext at 88375818064490: com.apple.driver.AppleIntelMCEReporter          104 (addr 0xffffff7f845ae000, size 49152)

    last unloaded kext at 88455328120343: com.apple.driver.AppleIntelMCEReporter          104 (addr 0xffffff7f845ae000, size 32768)

    loaded kexts:

    com.apple.filesystems.smbfs          2.0.2

    com.apple.filesystems.afpfs          11.1

    com.apple.nke.asp-tcp          8.0.1

    com.apple.driver.AudioAUUC          1.60

    com.apple.driver.AppleHWSensor          1.9.5d0

    com.apple.driver.AppleTyMCEDriver          1.0.2d2

    com.apple.driver.AGPM          100.14.15

    com.apple.filesystems.autofs          3.0

    com.apple.iokit.IOBluetoothSerialManager          4.2.4f1

    com.apple.driver.AppleMikeyHIDDriver          124

    com.apple.driver.AppleHDA          2.6.1f2

    com.apple.driver.AppleUpstreamUserClient          3.5.13

    com.apple.driver.AppleMCCSControl          1.1.12

    com.apple.kext.AMDFramebuffer          1.2.2

    com.apple.iokit.IOUserEthernet          1.0.0d1

    com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport          4.2.4f1

    com.apple.AMDRadeonX3000          1.2.2

    com.apple.Dont_Steal_Mac_OS_X          7.0.0

    com.apple.driver.AppleHWAccess          1

    com.apple.kext.AMD5000Controller          1.2.2

    com.apple.driver.AppleLPC          1.7.0

    com.apple.driver.AppleMikeyDriver          2.6.1f2

    com.apple.driver.ACPI_SMC_PlatformPlugin          1.0.0

    com.apple.driver.XsanFilter          404

    com.apple.iokit.IOAHCIBlockStorage          2.5.1

    com.apple.iokit.SCSITaskUserClient          3.6.6

    com.apple.AppleFSCompression.AppleFSCompressionTypeDataless          1.0.0d1

    com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1

    com.apple.BootCache          35

    com.apple.driver.AppleUSBHub          666.4.0

    com.apple.driver.AppleFWOHCI          5.0.2

    com.apple.driver.AirPort.Brcm4331          700.20.22

    com.apple.driver.Intel82574L          2.6.2b1

    com.apple.driver.AppleAHCIPort          3.0.0

    com.apple.driver.AppleUSBEHCI          660.4.0

    com.apple.driver.AppleUSBUHCI          656.4.1

    com.apple.driver.AppleRTC          2.0

    com.apple.driver.AppleHPET          1.8

    com.apple.driver.AppleACPIButtons          2.0

    com.apple.driver.AppleSMBIOS          2.1

    com.apple.driver.AppleACPIEC          2.0

    com.apple.driver.AppleAPIC          1.7

    com.apple.driver.AppleIntelCPUPowerManagementClient          217.92.1

    com.apple.nke.applicationfirewall          153

    com.apple.security.quarantine          3

    com.apple.driver.AppleIntelCPUPowerManagement          217.92.1

    com.apple.security.SecureRemotePassword          1.0

    com.apple.kext.triggers          1.0

    com.apple.iokit.IOSerialFamily          10.0.7

    com.apple.driver.DspFuncLib          2.6.1f2

    com.apple.vecLib.kext          1.0.0

    com.apple.iokit.IOAudioFamily          1.9.7fc2

    com.apple.kext.OSvKernDSPLib          1.14

    com.apple.iokit.IOSurface          91.1

    com.apple.iokit.IONDRVSupport          2.4.1

    com.apple.iokit.IOBluetoothHostControllerUSBTransport          4.2.4f1

    com.apple.iokit.IOBluetoothFamily          4.2.4f1

    com.apple.iokit.IOAcceleratorFamily          98.20

    com.apple.iokit.IOFireWireIP          2.2.6

    com.apple.kext.AMDSupport          1.2.2

    com.apple.AppleGraphicsDeviceControl          3.5.26

    com.apple.driver.AppleHDAController          2.6.1f2

    com.apple.iokit.IOGraphicsFamily          2.4.1

    com.apple.iokit.IOHDAFamily          2.6.1f2

    com.apple.driver.AppleSMBusController          1.0.11d1

    com.apple.driver.AppleSMBusPCI          1.0.12d1

    com.apple.driver.AppleSMC          3.1.8

    com.apple.driver.IOPlatformPluginLegacy          1.0.0

    com.apple.driver.IOPlatformPluginFamily          5.7.0d11

    com.apple.driver.AppleUSBHIDKeyboard          170.15

    com.apple.driver.AppleHIDKeyboard          170.15

    com.apple.iokit.IOUSBHIDDriver          660.4.0

    com.apple.iokit.IOSCSIBlockCommandsDevice          3.6.6

    com.apple.iokit.IOUSBMassStorageClass          3.6.0

    com.apple.driver.AppleUSBMergeNub          650.4.0

    com.apple.driver.AppleUSBComposite          656.4.1

    com.apple.iokit.IOSCSIMultimediaCommandsDevice          3.6.6

    com.apple.iokit.IOBDStorageFamily          1.7

    com.apple.iokit.IODVDStorageFamily          1.7.1

    com.apple.iokit.IOCDStorageFamily          1.7.1

    com.apple.iokit.IOAHCISerialATAPI          2.6.1

    com.apple.iokit.IOSCSIArchitectureModelFamily          3.6.6

    com.apple.iokit.IOUSBUserClient          660.4.2

    com.apple.iokit.IOFireWireFamily          4.5.5

    com.apple.iokit.IO80211Family          630.35

    com.apple.iokit.IONetworkingFamily          3.2

    com.apple.iokit.IOAHCIFamily          2.6.5

    com.apple.iokit.IOUSBFamily          677.4.0

    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          278.11

    com.apple.kext.AppleMatch          1.0.0d1

    com.apple.security.TMSafetyNet          7

    com.apple.driver.AppleKeyStore          2

    com.apple.driver.DiskImages          371.1

    com.apple.iokit.IOStorageFamily          1.9

    com.apple.iokit.IOReportFamily          23

    com.apple.driver.AppleFDEKeyStore          28.30

    com.apple.driver.AppleACPIPlatform          2.0

    com.apple.iokit.IOPCIFamily          2.9

    com.apple.iokit.IOACPIFamily          1.4

    com.apple.kec.corecrypto          1.0

    com.apple.kec.pthread          1

     

    Thank you!

  • Grant Bennet-Alder Level 9 Level 9 (52,230 points)

    Is that an external DRIVE or an external "smart" storage unit?

     

    A list of your attached Hardware would be helpful. It is usually included at the end of the kernel panic report.

  • starliteyes Level 1 Level 1 (10 points)

    It is a CloudStation drive that I was seeding my data to for off-site backups. My daily onsite backups are with Time Machine to an attached 4 TB G-drive. Here is the missing bit:

     

    System Profile:

    Model: MacPro5,1, BootROM MP51.007F.B03, 4 processors, Quad-Core Intel Xeon, 3.2 GHz, 16 GB, SMC 1.39f11

    Graphics: ATI Radeon HD 5770, ATI Radeon HD 5770, PCIe, 1024 MB

    Memory Module: DIMM 1, 4 GB, DDR3 ECC, 1066 MHz, 0x0198, 0x393936353532352D3031382E4130304C4620

    Memory Module: DIMM 2, 4 GB, DDR3 ECC, 1066 MHz, 0x0198, 0x393936353532352D3033332E4130304C4620

    Memory Module: DIMM 3, 4 GB, DDR3 ECC, 1066 MHz, 0x0198, 0x393936353532352D3033332E4130304C4620

    Memory Module: DIMM 4, 4 GB, DDR3 ECC, 1066 MHz, 0x0198, 0x393936353532352D3031382E4130304C4620

    AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x8E), Broadcom BCM43xx 1.0 (5.106.98.100.22)

    Bluetooth: Version 4.2.4f1 13674, 3 services, 23 devices, 1 incoming serial ports

    Network Service: Ethernet 1, Ethernet, en0

    Network Service: Ethernet 2, Ethernet, en1

    PCI Card: ATI Radeon HD 5770, Display Controller, Slot-1

    Serial ATA Device: HL-DT-ST DVD-RW GH80N

    Serial ATA Device: Hitachi HUA722010CLA330, 1 TB

    Serial ATA Device: WDC WD2002FAEX-007BA0, 2 TB

    Serial ATA Device: ST2000DM001-9YN164, 2 TB

    USB Device: G-RAID

    USB Device: Hub

    USB Device: PA271W

    USB Device: Keyboard Hub

    USB Device: USB Receiver

    USB Device: Apple Keyboard

    USB Device: EPSON Artisan 830 Series

    USB Device: BRCM2046 Hub

    USB Device: Bluetooth USB Host Controller

    FireWire Device: built-in_hub, Up to 800 Mb/sec

    Thunderbolt Bus:

  • Grant Bennet-Alder Level 9 Level 9 (52,230 points)

    panic-- Releasing non-exclusive ReadWrite lock without a reader refcount!

     

    That is a problem detected in the File Locking software. It is a case of "the Readers and Writers problem" a Classic Computer Science problem.

     

    In order to ensure File Integrity when allowing multiple Readers and Writers, complex File Interlocks are required to make certain there is never more than ONE Writer, and that Writer has exclusive access to the Files in question. Otherwise, out-of-date or mixed-up information may be provided to a Reader.

     

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    It may boil down to trying to run a Backup on a Volume with Open Files, where one device or the other has lost track of which files are actually in use, and having the interlock protocol violated.

     

    To reduce the future risk of such problems, you should not attempt a Backup afer a long run of File usage, but instead Restart both your Mac and your Smart Drive enclosure to make certain both are assuming that files are not busy, and neither device has lost track of which files are in use.

     

    If there is a software Update for your smart enclosure, be sure to install it. If not, try to report this problem to the manufacturer of the device.

  • starliteyes Level 1 Level 1 (10 points)

    Thank you so much, Grant. I will give those suggestions a try.

  • wickeninc Level 1 Level 1 (0 points)

    I founds a solution for my kernel panic issue that was happening 5-7 times per day. With loads of research and almost getting ready to do a clean system install and sell my laptop here is what I learned, the basic version (If this solution works for you please spread the word as this is a horrible issue to live with).

     

    There is an issue with the NVidia video card on mid-2010 Macbook Pro. Sometimes on Lion (10.8.x) and lots of times using Mavericks (10.9.x) the kernel panic is caused by the laptop switching between two different video cards on the same laptop 1. Intel video card 2. NVidia video card (defective on this mid-2000 model). The SOLUTION is to force your system to only use the Intel video card. To do this you can download the gfxcardstatus version 2.1 here (note you need this older version as it has the correct 'Integrated mode" mode you will need: https://onedrive.live.com/redir?resid=A9C9EF5F79924761%218546

     

    Download, install and select "Integrated Mode". Note once installed and opened the controls with load into the top status bar only (not as a program in the dock). After I installed gfxcardstatus version 2.1 I have had ZERO KERNEL PANICS, Woo hoo!!! This save me from jumping out a window and I thank all those who's feedback allowed me to fix my laptop!

     

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    For the long version of many solutions suggestions feel free to read these forums & articles

     

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