View Full Version : Help with "You need to restart your computer" (kernel panic) messages

Jan 18, 2011, 07:04 PM
Can anyone decipher this kernel panic alert - what is about to die?

I'm getting the top dark grey version - http://support.apple.com/kb/HT1392

Interval Since Last Panic Report: -1 sec
Panics Since Last Report: 1
Anonymous UUID: 2DDD90F1-6C2B-4EF4-8487-0B6CB1A90B78

Tue Jan 18 19:26:12 2011
panic(cpu 0 caller 0x000B0504): "Uncorrectable machine check: pc = 0000000000C5AA7C, msr = 0000000000149030, dsisr = 40000000, dar = 0000000000037380\n" " AsyncSrc = 0000000000000000, CoreFIR = 0000000000000000\n" " L2FIR = 0000000000000000, BusFir = 0000000080000000\n"@/SourceCache/xnu/xnu-1228.15.4/osfmk/ppc/trap.c:975
Latest stack backtrace for cpu 0:
0x0009CC88 0x0009D63C 0x00029DA0 0x000B0504 0x000B0784 0x000B4278
Proceeding back via exception chain:
Exception state (sv=0x344fe780)
PC=0x00C5AA7C; MSR=0x00149030; DAR=0x00037380; DSISR=0x40000000; LR=0x00BFAEC4; R1=0x2FDB7CA0; XCP=0x00000008 (0x200 - Machine check)
0x02A5BAF8 0x00BFAEC4 0x0035CED0 0x0035C134 0x0035C1E8 0x000B1DD4
Kernel loadable modules in backtrace (with dependencies):
dependency: com.apple.iokit.IO80211Family(216.1)@0xbcd000
dependency: com.apple.iokit.IOPCIFamily(2.6)@0x7b2000
dependency: com.apple.iokit.IONetworkingFamily(1.6.1)@0xb6d000
Exception state (sv=0x2a1fda00)
PC=0x00000000; MSR=0x0000D030; DAR=0x00000000; DSISR=0x00000000; LR=0x00000000; R1=0x00000000; XCP=0x00000000 (Unknown)

BSD process name corresponding to current thread: kernel_task

Mac OS version:

Kernel version:
Darwin Kernel Version 9.8.0: Wed Jul 15 16:57:01 PDT 2009; root:xnu-1228.15.4~1/RELEASE_PPC
System model name: PowerBook6,7

System uptime in nanoseconds: 113468984270
unloaded kexts:
loaded kexts:
com.cisco.nke.ipsec 1.0.0d1 - last loaded 1272958632
com.apple.iokit.IOBluetoothSerialManager 2.1.9f10
com.apple.filesystems.autofs 2.0.2
com.apple.driver.AppleTAS3004Audio 2.5.8f1
com.apple.driver.AudioIPCDriver 1.0.6
com.apple.driver.InternalModemSupport 2.4.0
com.apple.driver.MotorolaSM56K 1.3.9
com.apple.driver.AppleADBButtons 3.0
com.apple.driver.Portable_PlatformMonitor 1.8.7d5
com.apple.driver.IOI2CADT746x 1.0.10f1
com.apple.iokit.IOFireWireIP 1.7.7
com.apple.ATIRadeon9700 5.4.8
com.apple.AppleOnboardDisplay 1.15.1
com.apple.driver.AppleThermal 1.0.1f2
com.apple.driver.AppleSCCSerial 1.3.2
com.apple.driver.AppleHWSensor 1.9d0
com.apple.driver.AppleHWClock 1.5.2d0
com.apple.driver.AppleTexasAudio 2.5.8f1
com.apple.driver.AppleTexas2Audio 2.5.8f1
com.apple.driver.AppleDACAAudio 2.5.8f1
com.apple.driver.AppleK2Driver 1.7.2f1
com.apple.driver.AppleI2S 1.0.1f1
com.apple.driver.CSRUSBBluetoothHCIController 2.1.9f10
com.apple.driver.AppleUSBTrackpad 1.7.4f1
com.apple.driver.CSRHIDTransitionDriver 2.1.9f10
com.apple.driver.AppleFileSystemDriver 1.1.0
com.apple.iokit.IOSCSIMultimediaCommandsDevice 2.1.1
com.apple.iokit.SCSITaskUserClient 2.1.1
com.apple.driver.AppleADBKeyboard 2.3.9
com.apple.driver.XsanFilter 2.7.91
com.apple.iokit.IOATAPIProtocolTransport 1.5.3

Model: PowerBook6,7, BootROM 4.9.3f0, 1 processor, PowerPC G4 (1.2), 1.33 GHz, 1.5 GB
Graphics: kHW_ATIrv360M12Item, ATY,M12, spdisplays_agp_device, 32 MB
Memory Module: DIMM0/BUILT-IN, 512 MB, built-in, built-in
Memory Module: DIMM1/J7, 1 GB, DDR SDRAM, PC2700U-25330
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x4318), Broadcom BCM43xx 1.0 (
Modem: Jump, V.92, Version 1.0
Bluetooth: Version 2.1.9f10, 2 service, 1 devices, 1 incoming serial ports
Network Service: AirPort, AirPort, en1
PCI Card: pci106b,4318, sppci_othernetwork, SLOT-B
Parallel ATA Device: MATSHITACD-RW CW-8124
Parallel ATA Device: TOSHIBA MK4025GAS, 37.26 GB
USB Device: Bluetooth USB Host Controller, (null) mA
USB Device: Apple Internal Trackpad, (null) mA

Thank you!

Apple OC
Jan 18, 2011, 07:07 PM
probably bad ram ... did you mroogle Kernal Panic?

Jan 18, 2011, 07:24 PM
As I see it from the logs, it could be your wireless card... it could just be a bad kext. boot in safe mode and repair permissions...

Jan 18, 2011, 09:22 PM
Thank you both for the responses, but I have no idea what either of you are saying that I should do - if you have time, please send over the step by step.


Jan 18, 2011, 09:24 PM
Google "how to boot on safe mode powerbook g4"...

And this is top on the list... http://support.apple.com/kb/ht1455