Looking for cause to kernel panic

Hey all,

I have a 2006 20'' 2.16GHz white iMac running 10.7.5 with all the latest updates. Recently I was using the Mac and suddenly the machine gave me a kernel panic. I haven't had any at all, so it is somewhat unusual. I've looked at the kernel panic log after I restarted the Mac, but I can't discern what the problem could be.

I have Drive Genius running in the background, and it hasn't detected any issues with the drive. I had it recently run a scheduled disk check, and no bad blocks or integrity issues were found with either the drive or the volume.

I also don't have any third party hardware attached to the iMac, other than a Firewire 400 external hard drive and the Apple mouse and keyboard.

I'm submitting the text of my kernel panic in the hopes that someone here wiser than myself may be able to figure out what the root of the problem was.

Sometimes kernel panics are just random hiccups, but they could also be a sign of an incompatible driver. I'm hoping it won't be reccuring, but just in case, I already have a Firewire 400 external hard drive with Time Machine set up, so I have several months of backups.

Interval Since Last Panic Report: 3559474 sec

Panics Since Last Report: 1

Anonymous UUID: 10EE7F44-9FFB-4D31-A471-5E2D262FCBDD

Sat Mar 15 18:06:50 2014

panic(cpu 0 caller 0x2ceabf): Kernel trap at 0x00625a76, type 14=page fault, registers:

CR0: 0x8001003b, CR2: 0x01690010, CR3: 0x00100000, CR4: 0x00000660

EAX: 0x01690000, EBX: 0x00000000, ECX: 0x01000000, EDX: 0x05d67a20

CR2: 0x01690010, EBP: 0x4279bef8, ESI: 0x073b7900, EDI: 0x028a6f3c

EFL: 0x00010202, EIP: 0x00625a76, CS: 0x00000008, DS: 0x00000010

Error code: 0x00000000

Backtrace (CPU 0), Frame : Return Address (4 potential args on stack)

0x4279bd58 : 0x2203de (0x6b08cc 0x4279bd78 0x229fb0 0x0)

0x4279bd88 : 0x2ceabf (0x6bd9e0 0x625a76 0xe 0x6bd989)

0x4279be38 : 0x2e5564 (0x4279be60 0x4279be48 0x4279be58 0x225f0a)

0x4279be58 : 0x625a76 (0xe 0x48 0x42790010 0x5d0010)

0x4279bef8 : 0x615978 (0x1690000 0x24 0x7143f8 0x7d22e80)

0x4279bf28 : 0x61751d (0x73b7900 0x881ad0 0x4279bf58 0x60ee0b)

0x4279bf58 : 0x6180a9 (0x73b7900 0x0 0x715ca0 0x4279bf8c)

0x4279bf78 : 0x6152dc (0x73b7900 0x881ad0 0x715ca0 0x0)

0x4279bf98 : 0x23e4ae (0x0 0x0 0x0 0x2c7098)

0x4279bfc8 : 0x2c7d0c (0x84ad60 0x0 0x10 0xe517b10)

BSD process name corresponding to current thread: kernel_task

Mac OS version:

11G63

Kernel version:

Darwin Kernel Version 11.4.2: Thu Aug 23 16:26:45 PDT 2012; root:xnu-1699.32.7~1/RELEASE_I386

Kernel UUID: 859B45FB-14BB-35ED-B823-08393C63E13B

System model name: iMac5,1 (Mac-F4228EC8)

System uptime in nanoseconds: 139731709531771

last loaded kext at 37323501854120: com.apple.filesystems.msdosfs 1.7.1 (addr 0x1690000, size 61440)

last unloaded kext at 139731709308008: com.apple.filesystems.msdosfs 1.7.1 (addr 0x1690000, size 61440)

loaded kexts:

com.Seagate.driver.PowSecDriver 4.4.10

com.apple.filesystems.msdosfs 1.7.1

com.apple.driver.AppleUSBCDC 4.1.22

com.apple.filesystems.autofs 3.0

com.apple.driver.AppleHWSensor 1.9.5d0

com.apple.driver.AudioAUUC 1.59

com.apple.driver.AppleHDA 2.2.5a5

com.apple.driver.AppleUpstreamUserClient 3.5.9

com.apple.kext.ATIFramebuffer 7.3.2

com.apple.ATIRadeonX1000 7.0.4

com.apple.driver.AppleLPC 1.6.0

com.apple.iokit.IOUserEthernet 1.0.0d1

com.apple.iokit.IOBluetoothSerialManager 4.0.8f17

com.apple.Dont_Steal_Mac_OS_X 7.0.0

com.apple.driver.AudioIPCDriver 1.2.3

com.apple.driver.ApplePolicyControl 3.1.33

com.apple.driver.ACPI_SMC_PlatformPlugin 5.0.0d8

com.apple.driver.AppleBacklight 170.2.2

com.apple.driver.AppleMCCSControl 1.0.33

com.apple.driver.CSRUSBBluetoothHCIController 4.0.8f17

com.apple.driver.AppleIRController 312

com.apple.driver.Oxford_Semi 3.0.6

com.apple.AppleFSCompression.AppleFSCompressionTypeDataless 1.0.0d1

com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1

com.apple.BootCache 33

com.apple.iokit.SCSITaskUserClient 3.2.1

com.apple.driver.XsanFilter 404

com.apple.iokit.IOAHCIBlockStorage 2.1.0

com.apple.driver.AppleAHCIPort 2.3.1

com.apple.driver.AppleIntelPIIXATA 2.5.1

com.apple.driver.AirPortBrcm43224 501.36.15

com.apple.iokit.AppleYukon2 3.2.2b1

com.apple.driver.AppleFWOHCI 4.9.0

com.apple.driver.AppleUSBHub 5.1.0

com.apple.driver.AppleUSBEHCI 5.1.0

com.apple.driver.AppleUSBUHCI 5.1.0

com.apple.driver.AppleEFINVRAM 1.6.1

com.apple.driver.AppleRTC 1.5

com.apple.driver.AppleHPET 1.7

com.apple.driver.AppleACPIButtons 1.5

com.apple.driver.AppleSMBIOS 1.9

com.apple.driver.AppleACPIEC 1.5

com.apple.driver.AppleAPIC 1.6

com.apple.driver.AppleIntelCPUPowerManagementClient 195.0.0

com.apple.nke.applicationfirewall 3.2.30

com.apple.security.quarantine 1.4

com.apple.security.TMSafetyNet 8

com.apple.driver.AppleIntelCPUPowerManagement 195.0.0

com.apple.iokit.IOUSBMassStorageClass 3.0.3

com.apple.kext.triggers 1.0

com.apple.driver.DspFuncLib 2.2.5a5

com.apple.kext.ATI1600Controller 7.3.2

com.apple.kext.ATISupport 7.3.2

com.apple.iokit.IOFireWireIP 2.2.5

com.apple.iokit.IOSurface 80.0.2

com.apple.iokit.IOSerialFamily 10.0.5

com.apple.iokit.IOAudioFamily 1.8.6fc18

com.apple.kext.OSvKernDSPLib 1.3

com.apple.driver.AppleSMC 3.1.3d10

com.apple.driver.IOPlatformPluginLegacy 5.0.0d8

com.apple.driver.IOPlatformPluginFamily 5.1.1d6

com.apple.driver.AppleHDAController 2.2.5a5

com.apple.iokit.IOHDAFamily 2.2.5a5

com.apple.driver.AppleGraphicsControl 3.1.33

com.apple.driver.AppleBacklightExpert 1.0.4

com.apple.iokit.IONDRVSupport 2.3.4

com.apple.driver.AppleSMBusController 1.0.10d0

com.apple.iokit.IOGraphicsFamily 2.3.4

com.apple.driver.AppleUSBBluetoothHCIController 4.0.8f17

com.apple.iokit.IOBluetoothFamily 4.0.8f17

com.apple.iokit.IOUSBHIDDriver 5.0.0

com.apple.driver.AppleUSBMergeNub 5.1.0

com.apple.iokit.IOFireWireSerialBusProtocolTransport 2.1.0

com.apple.iokit.IOSCSIBlockCommandsDevice 3.2.1

com.apple.iokit.IOFireWireSBP2 4.2.0

com.apple.driver.AppleUSBComposite 5.0.0

com.apple.iokit.IOSCSIMultimediaCommandsDevice 3.2.1

com.apple.iokit.IOBDStorageFamily 1.7

com.apple.iokit.IODVDStorageFamily 1.7.1

com.apple.iokit.IOCDStorageFamily 1.7.1

com.apple.iokit.IOATAPIProtocolTransport 3.0.0

com.apple.iokit.IOSCSIArchitectureModelFamily 3.2.1

com.apple.iokit.IOAHCIFamily 2.0.8

com.apple.iokit.IOATAFamily 2.5.1

com.apple.iokit.IO80211Family 420.3

com.apple.iokit.IONetworkingFamily 2.1

com.apple.iokit.IOFireWireFamily 4.4.8

com.apple.iokit.IOUSBUserClient 5.0.0

com.apple.iokit.IOUSBFamily 5.1.0

com.apple.driver.AppleEFIRuntime 1.6.1

com.apple.iokit.IOHIDFamily 1.7.1

com.apple.iokit.IOSMBusFamily 1.1

com.apple.security.sandbox 177.11

com.apple.kext.AppleMatch 1.0.0d1

com.apple.driver.DiskImages 331.7

com.apple.iokit.IOStorageFamily 1.7.2

com.apple.driver.AppleKeyStore 28.18

com.apple.driver.AppleACPIPlatform 1.5

com.apple.iokit.IOPCIFamily 2.7

com.apple.iokit.IOACPIFamily 1.4

Unable to gather system configuration information.Model: iMac5,1, BootROM IM51.0090.B09, 2 processors, Intel Core 2 Duo, 2.16 GHz, 4 GB, SMC 1.9f4

Graphics: ATI Radeon X1600, ATY,RadeonX1600, PCIe, 128 MB

Memory Module: BANK 0/DIMM0, 2 GB, DDR2 SDRAM, 667 MHz, 0x0000000000000000, 0x563031443253383247423138463138463637

Memory Module: BANK 1/DIMM1, 2 GB, DDR2 SDRAM, 667 MHz, 0x0000000000000000, 0x563031443253383247423138463138463637

AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x87), Broadcom BCM43xx 1.0 (5.10.131.36.15)

Bluetooth: Version 4.0.8f17, 2 service, 11 devices, 2 incoming serial ports

Network Service: AirPort, AirPort, en1

Serial ATA Device: WDC WD2500JS-40TGB0, 250.06 GB

Parallel ATA Device: PIONEER DVD-RW DVR-K06

USB Device: Built-in iSight, apple_vendor_id, 0x8501, 0xfd400000 / 3

USB Device: composite_device, 0x04f9 (Brother International Corporation), 0x0270, 0xfd300000 / 2

USB Device: Hub in Apple Extended USB Keyboard, apple_vendor_id, 0x1003, 0x1d100000 / 2

USB Device: USB Receiver, 0x046d (Logitech Inc.), 0xc52b, 0x1d110000 / 4

USB Device: Apple Extended USB Keyboard, apple_vendor_id, 0x020b, 0x1d130000 / 3

USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x8206, 0x7d100000 / 3

USB Device: IR Receiver, apple_vendor_id, 0x8240, 0x7d200000 / 2

FireWire Device: eGo Rugged FW USB2, iomega, 400mbit_speed