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OS X - Operating System General OS operation information and support

Daily Kernel Panics on Macbook Pro 5,1


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TriSpyker

 
Member Since: Aug 21, 2013
Posts: 17
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I recently bought a used Macbook Pro 5,1 off of ebay. 15 inch unibody model late 2008. It came with Snow Leopard preinstalled and I could use it without any problems for a couple of hours. After completing all updates to 10.6.8 and stuff I got my first Kernel Panic. It was followed by 3 or 4 more during that day. At first, I thought ok, maybe the update was messed up. I did the usual procedure of repairing permissions, reseting PRAM and all the other stuff. When I finally received the Snow Leopard discs from the buyer (he had forgotten them first time...), I did a fresh install of Snow Leopard. However, this still didn't help. The amount of kernel panics I get has drastically reduced. I thought it might be the RAM, seemed likely. I talked to the seller and he agreed to pay for the RAM, since he thought it had been in working condition when he sold it. I installed the new RAM. I used Geekbench just for fun and tried to run a benchmark, twice. It crashed both times. I thought, ok, maybe the programs fault. I went through the rest of the day without any problems. However, today, after hours of usage, I had another panic.

To eliminate the odd of a bad mountain lion upgrade causing the panics, I fresh-installed Mountain Lion after the panic. However, I'm not sure it solved the problem...

This is the most recent panics from yesterday and today:
Code:
Tue Aug 20 21:10:06 2013
Machine-check capabilities 0x0000000000000806:
 family: 6 model: 23 stepping: 6 microcode: 1548
 Intel(R) Core(TM)2 Duo CPU     P8600  @ 2.40GHz
 6 error-reporting banks
 threshold-based error status present
Processor 0: machine-check status 0x0000000000000004:
 machine-check in progress
MCA error-reporting registers:
 IA32_MC0_STATUS(0x401): 0x1000000000000000 invalid
 IA32_MC1_STATUS(0x405): 0x0000000000000000 invalid
 IA32_MC2_STATUS(0x409): 0x0000000000000000 invalid
 IA32_MC3_STATUS(0x40d): 0xb62000040002010a valid
  MCA error code:            0x010a
  Model specific error code: 0x0002
  Other information:         0x00000004
  Threshold-based status:    Undefined
  Status bits:
   Processor context corrupt
   ADDR register valid
   Error enabled
   Uncorrected error
 IA32_MC3_ADDR(0x40e): 0x000000010d84c980
 IA32_MC4_STATUS(0x411): 0x0000000000000011 invalid
 IA32_MC5_STATUS(0x415): 0xb20000300c000e0f valid
  MCA error code:            0x0e0f
  Model specific error code: 0x0c00
  Other information:         0x00000030
  Threshold-based status:    Undefined
  Status bits:
   Processor context corrupt
   Error enabled
   Uncorrected error
Processor 1: machine-check status 0x0000000000000005:
 restart IP valid
 machine-check in progress
MCA error-reporting registers:
 IA32_MC0_STATUS(0x401): 0x1000000000000000 invalid
 IA32_MC1_STATUS(0x405): 0x0000000000000000 invalid
 IA32_MC2_STATUS(0x409): 0x0000000000000000 invalid
 IA32_MC3_STATUS(0x40d): 0xb62000040002010a valid
  MCA error code:            0x010a
  Model specific error code: 0x0002
  Other information:         0x00000004
  Threshold-based status:    Undefined
  Status bits:
   Processor context corrupt
   ADDR register valid
   Error enabled
   Uncorrected error
 IA32_MC3_ADDR(0x40e): 0x000000010d84c980
 IA32_MC4_STATUS(0x411): 0x0000000000000011 invalid
 IA32_MC5_STATUS(0x415): 0xb200001802000e0f valid
  MCA error code:            0x0e0f
  Model specific error code: 0x0200
  Other information:         0x00000018
  Threshold-based status:    Undefined
  Status bits:
   Processor context corrupt
   Error enabled
   Uncorrected error
panic(cpu 0 caller 0xffffff80186b8ec9): "Machine Check at 0x00007fff944901cb, registers:\n" "CR0: 0x0000000080010033, CR2: 0x0000000130511000, CR3: 0x00000000358a0000, CR4: 0x0000000000000660\n" "RAX: 0x0000000000000000, RBX: 0x00007fff59d5e4b8, RCX: 0x00007fff7948bab8, RDX: 0x000000015aae4940\n" "RSP: 0x00007fff59d5e480, RBP: 0x00007fff59d5e480, RSI: 0x0000000159daf948, RDI: 0x0000000159daf948\n" "R8:  0x0000000154cccfe0, R9:  0x0000000000000000, R10: 0x00000001634c90f0, R11: 0x00007fff8dbf2590\n" "R12: 0x00000000000001fc, R13: 0x0000000148890448, R14: 0x00007fff59d5e4b8, R15: 0xffff000000000002\n" "RFL: 0x0000000000010206, RIP: 0x00007fff944901cb, CS:  0x000000000000002b, SS:  0x0000000000000023\n" "Error code: 0x0000000000000000\n"@/SourceCache/xnu/xnu-2050.24.15/osfmk/i386/trap_native.c:280
Backtrace (CPU 0), Frame : Return Address
0xffffff801850bd20 : 0xffffff801861d626 
0xffffff801850bd90 : 0xffffff80186b8ec9 
0xffffff801850bf00 : 0xffffff80186cea4f 

BSD process name corresponding to current thread: WebProcess

Mac OS version:
12E55

Kernel version:
Darwin Kernel Version 12.4.0: Wed May  1 17:57:12 PDT 2013; root:xnu-2050.24.15~1/RELEASE_X86_64
Kernel UUID: 896CB1E3-AB79-3DF1-B595-549DFFDF3D36
Kernel slide:     0x0000000018400000
Kernel text base: 0xffffff8018600000
System model name: MacBookPro5,1 (Mac-F42D86C8)

System uptime in nanoseconds: 38200657643988
last loaded kext at 3879999049877: com.apple.filesystems.smbfs	1.8.4 (addr 0xffffff7f9a7e8000, size 229376)
last unloaded kext at 343088273669: com.apple.filesystems.msdosfs	1.8.1 (addr 0xffffff7f9a7da000, size 57344)
loaded kexts:
com.apple.filesystems.smbfs	1.8.4
com.apple.driver.AudioAUUC	1.60
com.apple.driver.AppleHWSensor	1.9.5d0
com.apple.filesystems.autofs	3.0
com.apple.iokit.IOBluetoothSerialManager	4.1.4f2
com.apple.driver.AGPM	100.12.87
com.apple.driver.AppleMikeyHIDDriver	122
com.apple.driver.AppleHDA	2.3.7fc4
com.apple.driver.AppleMikeyDriver	2.3.7fc4
com.apple.iokit.BroadcomBluetoothHCIControllerUSBTransport	4.1.4f2
com.apple.driver.AppleSMCLMU	2.0.3d0
com.apple.driver.AppleLPC	1.6.0
com.apple.iokit.IOUserEthernet	1.0.0d1
com.apple.Dont_Steal_Mac_OS_X	7.0.0
com.apple.driver.ApplePolicyControl	3.4.5
com.apple.driver.AppleMuxControl	3.4.5
com.apple.driver.AppleUpstreamUserClient	3.5.10
com.apple.driver.AppleMCCSControl	1.1.11
com.apple.driver.ACPI_SMC_PlatformPlugin	1.0.0
com.apple.GeForce	8.1.2
com.apple.driver.SMCMotionSensor	3.0.3d1
com.apple.driver.AppleUSBTCButtons	237.1
com.apple.driver.AppleUSBTCKeyboard	237.1
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	3.5.5
com.apple.driver.XsanFilter	404
com.apple.iokit.IOAHCIBlockStorage	2.3.1
com.apple.driver.AppleFWOHCI	4.9.6
com.apple.driver.AppleSmartBatteryManager	161.0.0
com.apple.driver.AirPort.Brcm4331	615.20.17
com.apple.driver.AppleUSBHub	5.5.5
com.apple.driver.AppleAHCIPort	2.5.2
com.apple.nvenet	2.0.19
com.apple.driver.AppleUSBEHCI	5.5.0
com.apple.driver.AppleUSBOHCI	5.2.5
com.apple.driver.AppleEFINVRAM	1.7
com.apple.driver.AppleRTC	1.5
com.apple.driver.AppleHPET	1.8
com.apple.driver.AppleACPIButtons	1.7
com.apple.driver.AppleSMBIOS	1.9
com.apple.driver.AppleACPIEC	1.7
com.apple.driver.AppleAPIC	1.6
com.apple.driver.AppleIntelCPUPowerManagementClient	196.0.0
com.apple.nke.applicationfirewall	4.0.39
com.apple.security.quarantine	2.1
com.apple.driver.AppleIntelCPUPowerManagement	196.0.0
com.apple.kext.triggers	1.0
com.apple.iokit.IOSerialFamily	10.0.6
com.apple.driver.DspFuncLib	2.3.7fc4
com.apple.iokit.IOAudioFamily	1.8.9fc11
com.apple.kext.OSvKernDSPLib	1.6
com.apple.iokit.IOFireWireIP	2.2.5
com.apple.iokit.AppleBluetoothHCIControllerUSBTransport	4.1.4f2
com.apple.driver.AppleHDAController	2.3.7fc4
com.apple.iokit.IOHDAFamily	2.3.7fc4
com.apple.iokit.IOSurface	86.0.4
com.apple.iokit.IOBluetoothFamily	4.1.4f2
com.apple.driver.AppleGraphicsControl	3.4.5
com.apple.driver.AppleBacklightExpert	1.0.4
com.apple.driver.AppleSMBusController	1.0.11d0
com.apple.driver.AppleSMBusPCI	1.0.11d0
com.apple.driver.IOPlatformPluginLegacy	1.0.0
com.apple.driver.IOPlatformPluginFamily	5.3.0d51
com.apple.nvidia.nv50hal	8.1.2
com.apple.NVDAResman	8.1.2
com.apple.iokit.IONDRVSupport	2.3.7
com.apple.iokit.IOGraphicsFamily	2.3.7
com.apple.driver.AppleSMC	3.1.4d2
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.iokit.IOAHCISerialATAPI	2.5.1
com.apple.iokit.IOSCSIArchitectureModelFamily	3.5.5
com.apple.iokit.IOFireWireFamily	4.5.5
com.apple.iokit.IO80211Family	530.4
com.apple.iokit.IOUSBUserClient	5.5.5
com.apple.iokit.IOAHCIFamily	2.3.1
com.apple.iokit.IONetworkingFamily	3.0
com.apple.driver.NVSMU	2.2.9
com.apple.iokit.IOUSBFamily	5.6.0
com.apple.driver.AppleEFIRuntime	1.7
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	1.7
com.apple.iokit.IOPCIFamily	2.7.3
com.apple.iokit.IOACPIFamily	1.4
com.apple.kec.corecrypto	1.0
Code:
 Wed Aug 21 21:35:26 2013
Machine-check capabilities 0x0000000000000806:
 family: 6 model: 23 stepping: 6 microcode: 1548
 Intel(R) Core(TM)2 Duo CPU     P8600  @ 2.40GHz
 6 error-reporting banks
 threshold-based error status present
Processor 0: machine-check status 0x0000000000000004:
 machine-check in progress
MCA error-reporting registers:
 IA32_MC0_STATUS(0x401): 0x1000000000000000 invalid
 IA32_MC1_STATUS(0x405): 0x0000000000000000 invalid
 IA32_MC2_STATUS(0x409): 0x0000000000000000 invalid
 IA32_MC3_STATUS(0x40d): 0xb62001450002010a valid
  MCA error code:            0x010a
  Model specific error code: 0x0002
  Other information:         0x00000145
  Threshold-based status:    Undefined
  Status bits:
   Processor context corrupt
   ADDR register valid
   Error enabled
   Uncorrected error
 IA32_MC3_ADDR(0x40e): 0x0000000195c0c900
 IA32_MC4_STATUS(0x411): 0x0000000000000011 invalid
 IA32_MC5_STATUS(0x415): 0xb20000300c000e0f valid
  MCA error code:            0x0e0f
  Model specific error code: 0x0c00
  Other information:         0x00000030
  Threshold-based status:    Undefined
  Status bits:
   Processor context corrupt
   Error enabled
   Uncorrected error
Processor 1: machine-check status 0x0000000000000005:
 restart IP valid
 machine-check in progress
MCA error-reporting registers:
 IA32_MC0_STATUS(0x401): 0x1000000000000000 invalid
 IA32_MC1_STATUS(0x405): 0x0000000000000000 invalid
 IA32_MC2_STATUS(0x409): 0x0000000000000000 invalid
 IA32_MC3_STATUS(0x40d): 0xb62001450002010a valid
  MCA error code:            0x010a
  Model specific error code: 0x0002
  Other information:         0x00000145
  Threshold-based status:    Undefined
  Status bits:
   Processor context corrupt
   ADDR register valid
   Error enabled
   Uncorrected error
 IA32_MC3_ADDR(0x40e): 0x0000000195c0c900
 IA32_MC4_STATUS(0x411): 0x0000000000000011 invalid
 IA32_MC5_STATUS(0x415): 0xb200001802000e0f valid
  MCA error code:            0x0e0f
  Model specific error code: 0x0200
  Other information:         0x00000018
  Threshold-based status:    Undefined
  Status bits:
   Processor context corrupt
   Error enabled
   Uncorrected error
panic(cpu 0 caller 0xffffff80092b8ec9): "Machine Check at 0x0000000107f35497, registers:\n" "CR0: 0x0000000080010033, CR2: 0x00000001274b7000, CR3: 0x00000000350c5000, CR4: 0x0000000000000660\n" "RAX: 0x0000000000000012, RBX: 0x000000011bf30ea1, RCX: 0x000000011be82942, RDX: 0x00000000ff3a1500\n" "RSP: 0x00007fff5aecd8a8, RBP: 0x00007fff5aecd8d0, RSI: 0x000000011be82e41, RDI: 0x000000011a2a5000\n" "R8:  0x00000001223b9904, R9:  0x00000001223b8508, R10: 0x0000000003a05412, R11: 0x00000000073f7fd4\n" "R12: 0x000000011bef8aa1, R13: 0x000000011be82800, R14: 0x00000000000004ff, R15: 0x00000000000013fc\n" "RFL: 0x0000000000010206, RIP: 0x0000000107f35497, CS:  0x000000000000002b, SS:  0x0000000000000023\n" "Error code: 0x0000000000000000\n"@/SourceCache/xnu/xnu-2050.24.15/osfmk/i386/trap_native.c:280
Backtrace (CPU 0), Frame : Return Address
0xffffff800910bd20 : 0xffffff800921d626 
0xffffff800910bd90 : 0xffffff80092b8ec9 
0xffffff800910bf00 : 0xffffff80092cea4f 

BSD process name corresponding to current thread: PluginProcess

Mac OS version:
12E55

Kernel version:
Darwin Kernel Version 12.4.0: Wed May  1 17:57:12 PDT 2013; root:xnu-2050.24.15~1/RELEASE_X86_64
Kernel UUID: 896CB1E3-AB79-3DF1-B595-549DFFDF3D36
Kernel slide:     0x0000000009000000
Kernel text base: 0xffffff8009200000
System model name: MacBookPro5,1 (Mac-F42D86C8)

System uptime in nanoseconds: 29366774492853
last loaded kext at 6461598523701: com.apple.filesystems.smbfs	1.8.4 (addr 0xffffff7f8b41f000, size 229376)
last unloaded kext at 3760895328907: com.apple.iokit.IOUSBMassStorageClass	3.5.1 (addr 0xffffff7f8b3eb000, size 69632)
loaded kexts:
com.apple.filesystems.smbfs	1.8.4
com.apple.driver.AudioAUUC	1.60
com.apple.driver.AppleHWSensor	1.9.5d0
com.apple.filesystems.autofs	3.0
com.apple.iokit.IOBluetoothSerialManager	4.1.4f2
com.apple.driver.AGPM	100.12.87
com.apple.driver.AppleMikeyHIDDriver	122
com.apple.driver.AppleHDA	2.3.7fc4
com.apple.iokit.IOUserEthernet	1.0.0d1
com.apple.Dont_Steal_Mac_OS_X	7.0.0
com.apple.driver.AppleMikeyDriver	2.3.7fc4
com.apple.driver.ApplePolicyControl	3.4.5
com.apple.driver.ACPI_SMC_PlatformPlugin	1.0.0
com.apple.driver.AppleMuxControl	3.4.5
com.apple.iokit.BroadcomBluetoothHCIControllerUSBTransport	4.1.4f2
com.apple.GeForce	8.1.2
com.apple.driver.AppleSMCLMU	2.0.3d0
com.apple.driver.AppleUpstreamUserClient	3.5.10
com.apple.driver.AppleMCCSControl	1.1.11
com.apple.driver.AppleLPC	1.6.0
com.apple.driver.SMCMotionSensor	3.0.3d1
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.AppleFSCompression.AppleFSCompressionTypeDataless	1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib	1.0.0d1
com.apple.BootCache	34
com.apple.iokit.IOAHCIBlockStorage	2.3.1
com.apple.driver.AppleFWOHCI	4.9.6
com.apple.driver.AppleSmartBatteryManager	161.0.0
com.apple.driver.AirPort.Brcm4331	615.20.17
com.apple.driver.AppleUSBHub	5.5.5
com.apple.driver.AppleAHCIPort	2.5.2
com.apple.nvenet	2.0.19
com.apple.driver.AppleUSBEHCI	5.5.0
com.apple.driver.AppleUSBOHCI	5.2.5
com.apple.driver.AppleEFINVRAM	1.7
com.apple.driver.AppleRTC	1.5
com.apple.driver.AppleHPET	1.8
com.apple.driver.AppleACPIButtons	1.7
com.apple.driver.AppleSMBIOS	1.9
com.apple.driver.AppleACPIEC	1.7
com.apple.driver.AppleAPIC	1.6
com.apple.driver.AppleIntelCPUPowerManagementClient	196.0.0
com.apple.nke.applicationfirewall	4.0.39
com.apple.security.quarantine	2.1
com.apple.driver.AppleIntelCPUPowerManagement	196.0.0
com.apple.kext.triggers	1.0
com.apple.iokit.IOSerialFamily	10.0.6
com.apple.driver.DspFuncLib	2.3.7fc4
com.apple.iokit.IOAudioFamily	1.8.9fc11
com.apple.kext.OSvKernDSPLib	1.6
com.apple.iokit.IOSurface	86.0.4
com.apple.iokit.IOBluetoothFamily	4.1.4f2
com.apple.driver.IOPlatformPluginLegacy	1.0.0
com.apple.driver.AppleGraphicsControl	3.4.5
com.apple.driver.AppleBacklightExpert	1.0.4
com.apple.iokit.IOFireWireIP	2.2.5
com.apple.iokit.AppleBluetoothHCIControllerUSBTransport	4.1.4f2
com.apple.driver.AppleHDAController	2.3.7fc4
com.apple.iokit.IOHDAFamily	2.3.7fc4
com.apple.driver.AppleSMBusController	1.0.11d0
com.apple.driver.AppleSMBusPCI	1.0.11d0
com.apple.driver.IOPlatformPluginFamily	5.3.0d51
com.apple.nvidia.nv50hal	8.1.2
com.apple.NVDAResman	8.1.2
com.apple.iokit.IONDRVSupport	2.3.7
com.apple.iokit.IOGraphicsFamily	2.3.7
com.apple.driver.AppleSMC	3.1.4d2
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.iokit.IOAHCISerialATAPI	2.5.1
com.apple.iokit.IOSCSIArchitectureModelFamily	3.5.5
com.apple.iokit.IOFireWireFamily	4.5.5
com.apple.iokit.IO80211Family	530.4
com.apple.iokit.IOUSBUserClient	5.5.5
com.apple.iokit.IOAHCIFamily	2.3.1
com.apple.iokit.IONetworkingFamily	3.0
com.apple.driver.NVSMU	2.2.9
com.apple.iokit.IOUSBFamily	5.6.0
com.apple.driver.AppleEFIRuntime	1.7
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	1.7
com.apple.iokit.IOPCIFamily	2.7.3
com.apple.iokit.IOACPIFamily	1.4
com.apple.kec.corecrypto	1.0
I hope you guy can help me find the root of this problem.

EDIT: I did already run the Apple Hardware Test a couple of times, showing no problems at all.
QUOTE Thanks
chscag

 
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Member Since: Jan 23, 2008
Location: Fort Worth, Texas
Posts: 40,896
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Mac Specs: 27" iMac i5, 3.2 GHz, iPad 3, iPhone 5c, 3 iPods, Yosemite

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It could be most anything from looking at the KP reports. KPs are usually associated with hardware problems but can also be caused by software. Try starting the MBP in safe boot mode and run it that way for awhile to see if it goes into panic. If it panics in safe boot mode that points to hardware.
QUOTE Thanks
TriSpyker

 
Member Since: Aug 21, 2013
Posts: 17
TriSpyker is on a distinguished road

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I did another 2 extended hardware tests. Took around 5 hours to complete both. Way longer than before with only 4 GB of RAM, where it only took around 30-40 minutes per test, now it was 2 hrs 30 mins for the first alone.

No problems found. Could it maybe be a faulty firmware upgrade? It is running the latest firmware 2.8. However, when I run the EFI 2.8 installer, it doesn't tell me that its already installed, it just tells me the installer is not supported by my system. This happened in Snow Leopard as well as Mountain Lion.
QUOTE Thanks
chscag

 
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Member Since: Jan 23, 2008
Location: Fort Worth, Texas
Posts: 40,896
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Mac Specs: 27" iMac i5, 3.2 GHz, iPad 3, iPhone 5c, 3 iPods, Yosemite

chscag is offline
Those kernel panics are not being caused by faulty firmware. Also, the Apple Hardware Test while good for some things misses a lot of others. You could try running an extended memory test if you like. MemTest for the Mac is free and can be downloaded from here.

And don't overlook the suggestion to run your Mac in safe boot mode to see if it runs normally that way.
QUOTE Thanks
TriSpyker

 
Member Since: Aug 21, 2013
Posts: 17
TriSpyker is on a distinguished road

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Well, like I said, the RAM is brand new and I am still having kernel panics. I can try safe booting, but don't really see a point in it, since its a fresh install (the second one already) and is only a day old.

I already ran a bunch of memtests on the old RAM and never found anything. Still changed them, as memtest often doesn't find the problem. It would be really bad luck if the new RAM is faulty as well.

I don't really know what else could be causing the problems. It happens on both graphics cards, on both my 750GB HDD and the 128GB SSD and in Snow Leopard and Mountain Lion. New RAM also didn't change anything. If it were CPU related, wouldn't it happen way more often? The CPU is constantly being used, so a crash every 6-8 hours makes that seem very unlikely to me, but who knows...
QUOTE Thanks
Stretch

 
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Is there anything similar between the crashes? Toggling something, quitting an app, graphics card switching, etc right before all the crashes?

Blog and Photo Gallery: http://philolin.me/

Currently running OS X 10.10
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TriSpyker

 
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Most of the time its while using the web, watching videos. However, that might be related to the fact that its mostly used for web browsing at the moment. The very first kernel panic happened during an update that Snow Leopard did. It has happened while gaming, while trying to uninstall the anti-virus (thought it might be the problem), just about anywhere. At the same time, I have managed through several hours of 3D gaming without a problem. It is just very random. I'm on facebook, want to look at something, maybe scroll and it just freezes and restarts.
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TriSpyker

 
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Well, like I said, this is a clean install of Mac OS X. I had the Anti-Virus on the very first install running Snow Leopard.

EDIT: Might the kernel panics be caused by a overheating CPU/GPU? I installed SMC FanControl to monitor temperatures and they have been constantly rising. They are still very far from dangerous, but I will look into it further. Started with 48C (118F) and is now at around 68C (154F) just from web browsing.
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Stretch

 
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That's nothing. I've had mine reach 86C before while heavy gaming. The computer will shut off on its own if it sees the temperatures getting too high as a safety precaution.

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TriSpyker

 
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I know its not much, but who knows how much temperatures rise in 6 hrs. I will just keep track of temperatures and see if they are in any way related to the panics.
There is really nothing else I can do at the moment...
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Checking the memory out again. You did say brand new but did the memory come from an Apple specialist such as OWC? Macs use low density modules, different to most PC's which use high density. eBay sellers and PC shops generally sell the high density.

Hang on to those original install discs like grim death! Using OS X.7 or later make a bootable USB thumb drive before running Installer!
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I can't tell you if its high density or low density. I have never heard of that before. I looked it up, but there seems to be no clear way to tell. However, I can tell you that I bought two 4GB DDR3 chips with 1066mhz from Corsair at the local computer shop and payed a fortune. So I'm guessing its the right stuff. The old RAM is Samsung RAM. So no cheap stuff either.
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Never suggested cheap just wrong type. OWC and Crucial are recommended here for memory. Here are what the specs should be:-


http://eshop.macsales.com/item/Other.../8566DDR3S8GP/

Hang on to those original install discs like grim death! Using OS X.7 or later make a bootable USB thumb drive before running Installer!
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TriSpyker

 
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I know, but from what I've read, high density memory is a lot cheaper and usually without branding. And since the memory I bought doesn't fulfill these requirements, its probably the right one. If it were the wrong memory type, it probably wouldn't even start, or run without problems for 6 hrs straight.
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harryb2448

 
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Well who knows? It may well start and then after a period of time go into kernel panics. Some times minutes some times hours but generally on a very similar time scale each day or so. Same as applies to this thread:-

Activity Monitor shows less RAM - ECC errors

Good luck with things.

Hang on to those original install discs like grim death! Using OS X.7 or later make a bootable USB thumb drive before running Installer!
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