Kernal Panic during startup.

Please help,
I get a kernal panic when i try to start my iMac.
Same thing happens when i try safe mode and when i select the OS X install disk i can here it spinning but kernal panic happens before disk options come up.
I have tried single user mode and running fsck but that didn't help either.
I don't have any third party hardware installed.
In single user mode it says that my root_device is read only.
can anyone tell me how to change that at the command prompt and if that would help.
thanks

Hello den,
No i didn't get to the DVD desktop at all and I'm using a white USB keyboard.
If I hold c, i can here the disk spinning but before anything comes up i get the kernel panic.
Same happens if i hold alt and pick the OS X Install disk as the boot disk.
I also have the latest version of disk warrior. When i try using that to boot it spins for about 10 minutes before the same kernel painic.
Under Single-User mode, it says that my root directory is read only. I have tried umount and then remounting the root directory as read write but nothing changes - The entire macintosh HD with whatever errors on it is read only.
I have tried fsck and fsck_hfs and it says ¨macintosh HD appears to be ok¨.

Similar Messages

Kernal Panic in Startup

Hello
I have a MacBook Pro 17" (not unibody) with the GeForce 8600GT graphic card. The last two days my computer has had strange errors. The screen starts flashing, and the computer freezes. The only thing to do is to power off. When I started the computer again I got the Kernal Panic during startup. I've done a hardware test, and it found no error. Changed the harddrive with a new OS - same error. Reset the "cmdalt+PR", same error. I then took out the Airport card, and then it worked perfectly.
The next day the same problem came back (even without a Airport wifi card). Restarted the computer, and got the Kernal Panic during bootup. I reset the "cmdalt+PR", and then it worked.
What is wrong with the computer? I don't think it is the usual nVidia error with the 8600GT card.
*This is the log file:*
Fri Feb 26 16:48:46 2010
panic(cpu 1 caller 0x001AB0FE): Kernel trap at 0x00a9fc1e, type 14=page fault, registers:
CR0: 0x8001003b, CR2: 0x000000bc, CR3: 0x013fe000, CR4: 0x00000660
EAX: 0x553e9630, EBX: 0x0760cc04, ECX: 0x077c5800, EDX: 0x00000000
CR2: 0x000000bc, EBP: 0x553e9668, ESI: 0x00000000, EDI: 0xffffffff
EFL: 0x00010246, EIP: 0x00a9fc1e, CS: 0x00000008, DS: 0x077c0010
Error code: 0x00000000
Backtrace (CPU 1), Frame : Return Address (4 potential args on stack)
0x553e9408 : 0x12b4c6 (0x45f91c 0x553e943c 0x13355c 0x0)
0x553e9458 : 0x1ab0fe (0x469a98 0xa9fc1e 0xe 0x469248)
0x553e9538 : 0x1a1713 (0x553e9550 0x9 0x553e9668 0xa9fc1e)
0x553e9548 : 0xa9fc1e (0xe 0x48 0x553e0010 0xad0010)
0x553e9668 : 0xaa7baa (0xc1d00005 0x1000000 0x1000003 0x40)
0x553e96c8 : 0xa9a28f (0x553e9858 0x6 0x0 0x0)
0x553e9828 : 0xa8b402 (0x0 0x600d600d 0x7027 0x553e9858)
0x553e98e8 : 0xc7901b (0xc1d00005 0x1000000 0x1000003 0x40)
0x553e9918 : 0xc847ac (0x46c02000 0x1000000 0x88100090 0x3e)
0x553eb8a8 : 0xc60189 (0x46c02000 0x1000000 0x15 0x46c0201c)
0x553eb9a8 : 0xa86b29 (0x46c02000 0x0 0x553ebab2 0x80)
0x553eba08 : 0xa7b69d (0x7191000 0x0 0x553ebab2 0x80)
0x553ebb38 : 0xa7cf44 (0x7191000 0xa8062c 0x553ebbec 0x4)
0x553ebc08 : 0xa09c18 (0x7191000 0x1 0x0 0x13)
0x553ebc68 : 0xa02be6 (0x7191000 0x553ebd2c 0x6c72ac4 0x7191000)
0x553ebc98 : 0x415e83 (0x7191000 0x6c72ac4 0x6c72ac4 0x0)
Backtrace continues...
Kernel loadable modules in backtrace (with dependencies):
com.apple.NVDAResman(5.4.8)@0xa83000->0xce1fff
dependency: com.apple.iokit.IONDRVSupport(1.7.3)@0xa75000
dependency: com.apple.iokit.IOPCIFamily(2.6)@0x5ce000
dependency: com.apple.iokit.IOGraphicsFamily(1.7.3)@0x9fa000
com.apple.iokit.IONDRVSupport(1.7.3)@0xa75000->0xa82fff
dependency: com.apple.iokit.IOPCIFamily(2.6)@0x5ce000
dependency: com.apple.iokit.IOGraphicsFamily(1.7.3)@0x9fa000
com.apple.iokit.IOGraphicsFamily(1.7.3)@0x9fa000->0xa16fff
dependency: com.apple.iokit.IOPCIFamily(2.6)@0x5ce000
BSD process name corresponding to current thread: WindowServer
Mac OS version:
9L31a
Kernel version:
Darwin Kernel Version 9.8.0: Wed Jul 15 16:55:01 PDT 2009; root:xnu-1228.15.4~1/RELEASE_I386
System model name: MacBookPro3,1 (Mac-F42388C8)
System uptime in nanoseconds: 29474740369
unloaded kexts:
(none)
loaded kexts:
com.apple.driver.InternalModemSupport 2.4.0 - last loaded 20166569552
com.apple.iokit.IOBluetoothSerialManager 2.1.9f10
com.apple.filesystems.autofs 2.0.2
com.apple.driver.AppleHDAPlatformDriver 1.7.1a2
com.apple.driver.AppleUpstreamUserClient 2.7.5
com.apple.driver.AppleUSBTrackpad 1.7.4f1
com.apple.driver.AppleUSBTCKeyEventDriver 1.7.4f1
com.apple.driver.AppleHDAHardwareConfigDriver 1.7.1a2
com.apple.driver.AppleHDA 1.7.1a2
com.apple.driver.AppleUSBTCKeyboard 1.7.4f1
com.apple.GeForce 5.4.8
com.apple.driver.AppleGraphicsControl 2.8.15
com.apple.DontSteal_Mac_OSX 6.0.3
com.apple.driver.AppleHDAController 1.7.1a2
com.apple.driver.SMCMotionSensor 2.1.1d2
com.apple.driver.AppleIRController 113
com.apple.iokit.IOFireWireIP 1.7.7
com.apple.driver.AudioIPCDriver 1.0.6
com.apple.kext.AppleSMCLMU 1.4.5d1
com.apple.driver.ACPISMCPlatformPlugin 3.4.0a17
com.apple.driver.AppleLPC 1.3.1
com.apple.driver.AppleBacklight 1.6.0
com.apple.driver.AppleTyMCEDriver 1.0.0d28
com.apple.nvidia.nv50hal 5.4.8
com.apple.driver.CSRUSBBluetoothHCIController 2.1.9f10
com.apple.driver.CSRHIDTransitionDriver 2.1.9f10
com.apple.driver.AppleUSBMergeNub 3.5.2
com.apple.iokit.IOSCSIMultimediaCommandsDevice 2.1.1
com.apple.iokit.SCSITaskUserClient 2.1.1
com.apple.driver.XsanFilter 2.7.91
com.apple.iokit.IOATAPIProtocolTransport 1.5.3
com.apple.driver.AppleUSBHub 3.4.9
com.apple.driver.AppleFWOHCI 3.9.7
com.apple.iokit.IOAHCIBlockStorage 1.2.2
com.apple.iokit.IOUSBUserClient 3.5.2
com.apple.iokit.AppleYukon2 3.1.13b2
com.apple.driver.AppleUSBEHCI 3.4.6
com.apple.driver.AppleUSBUHCI 3.5.2
com.apple.driver.AppleAHCIPort 1.7.0
com.apple.driver.AppleIntelPIIXATA 2.0.1
com.apple.driver.AppleFileSystemDriver 1.1.0
com.apple.driver.AppleEFINVRAM 1.2.0
com.apple.driver.AppleSmartBatteryManager 158.10.5
com.apple.driver.AppleRTC 1.2.3
com.apple.driver.AppleHPET 1.4
com.apple.driver.AppleACPIPCI 1.2.5
com.apple.driver.AppleACPIButtons 1.2.5
com.apple.driver.AppleSMBIOS 1.4
com.apple.driver.AppleACPIEC 1.2.5
com.apple.driver.AppleAPIC 1.4
com.apple.security.seatbelt 107.12
com.apple.nke.applicationfirewall 1.6.77
com.apple.security.TMSafetyNet 3
com.apple.driver.AppleIntelCPUPowerManagement 76.2.0
com.apple.driver.DiskImages 199
com.apple.BootCache 30.4
com.apple.iokit.IOSerialFamily 9.4
com.apple.driver.DspFuncLib 1.7.1a2
com.apple.iokit.IOHDAFamily 1.7.1a2
com.apple.iokit.IOUSBHIDDriver 3.4.6
com.apple.iokit.IOAudioFamily 1.6.9fc5
com.apple.kext.OSvKernDSPLib 1.1
com.apple.driver.IOPlatformPluginFamily 3.4.0a17
com.apple.NVDAResman 5.4.8
com.apple.iokit.IONDRVSupport 1.7.3
com.apple.iokit.IOGraphicsFamily 1.7.3
com.apple.driver.AppleSMC 2.3.1d1
com.apple.driver.AppleUSBBluetoothHCIController 2.1.9f10
com.apple.iokit.IOBluetoothFamily 2.1.9f10
com.apple.driver.AppleUSBComposite 3.2.0
com.apple.iokit.IOSCSIBlockCommandsDevice 2.1.1
com.apple.iokit.IOBDStorageFamily 1.5
com.apple.iokit.IODVDStorageFamily 1.5
com.apple.iokit.IOCDStorageFamily 1.5
com.apple.iokit.IOSCSIArchitectureModelFamily 2.1.1
com.apple.iokit.IOFireWireFamily 3.4.9
com.apple.iokit.IOUSBFamily 3.5.2
com.apple.iokit.IOAHCIFamily 1.5.0
com.apple.iokit.IOATAFamily 2.0.1
com.apple.iokit.IONetworkingFamily 1.6.1
com.apple.driver.AppleEFIRuntime 1.2.0
com.apple.iokit.IOSMBusFamily 1.1
com.apple.iokit.IOStorageFamily 1.5.6
com.apple.iokit.IOHIDFamily 1.5.5
com.apple.driver.AppleACPIPlatform 1.2.5
com.apple.iokit.IOACPIFamily 1.2.0
com.apple.iokit.IOPCIFamily 2.6

The Nvidia problem isn't something that is always "there", Andriaz. It occurs, as I understand it, because of heat stress generated by the GPU on its connection with the motherboard, and is accordingly potentially "progressive" rather than "there" or "not there" (Some companies, I gather , have been making a living by simply reflowing the connections between the GPU and the motherboard accordingly when people have not been able to obtain service under the extended repair program.)
So the fact that you "tested" for the NVIdia problem in the past doesn't mean that you might not be suffering it now.
My own experience of the NVidia issue involved blank screens rather than KPs, but I gather it can be manifested in a variety of ways (which makes sense given its nature). Given your log results I don't think you should discount the possibility that this is the cause of your problem. I'd get it tested again.
Have you tried running the basic Apple Hardware test using your original OS DVD set yet? Might throw up other possibilities. As BB suggests, from the description it is likely to be hardware related, I think.
Cheers
Rod

Freezes, kernal panics, long startup, hanging on blue screen...

sometimes on black screen, freezing when desktop appears, freezing when
using Safari and Mail, text edit and have not had a chance to see what it does in other programs.
This had been a growing problem from the first kernal panic I had about month ago after a complete reinstall in December. Also the fans run loud.
After reading more about kernal panics, i'm beginning to think this is a hardware problem and I should replace by RAM with what was built for this
G5. I cleaned it out yesterday. it was pretty dusty because it sits on the floor. Would a professional cleaning be in order?
I think I'm asking: what software approaches should I take and what physical approaches should I take to isolate the problem the soonest. Can someone send me a list off Apple's site and I'll start to go through them before I have to, yuck, reinstall all over again?
Thanks guys.
If this helps:
kernal version: 8.11.0 wed oct 10...2007
root:xnu-792.24.17~1 release_ppl panic: we are hanging here

Since I just ran the test recently, I was pretty certain it was the C key. Copied here directly from the User Guide on this iMac G5. (But maybe it's different for the Tower, which this seems to be.)
"Using Apple Hardware Test
You can use Apple Hardware Test to help determine if there is a problem with your
computer’s hardware.
To use Apple Hardware Test:
1 Disconnect all external devices from your computer except the keyboard and mouse.
If you have an Ethernet cable connected, disconnect it.
2 Insert the “Additional Software & Apple Hardware Test” disc that came with your
computer.
3 Restart your computer and hold down the “C” key as it starts up. A list of available
startup volumes appears. Click Apple Hardware Test and click the right arrow.
4 When the Apple Hardware Test main screen appears after about 45 seconds, follow the
onscreen instructions.
5 If Apple Hardware Test detects a problem, it displays an error code. Make a note of the
error code before pursuing support options. If Apple Hardware Test does not detect a
hardware failure, the problem may be software related.
For more information about Apple Hardware Test, see the Apple Hardware Test Read
Me file on the “Additional Software & Apple Hardware Test” disc."

Netboot: kernal panic at startup (clients) - no sharepoint tab for NetBootSP0

Hey all:
I'm trying to set up a Netboot image. Netboot Service is running, as well as NFS and AFP for the NetBootSP0 and NetBootClients0 sharepoints. Holding down N finds the NetBoot server OK, but I get a kernal panic when I select it. I get the globe and then the gear, and then PANIC. "NFS server refused mount" is the message.
I've searched around quite a bit. I think I may have a lead but don't quite know how to fix it.
When looking at the sharepoints in Server Admin I see the following for the two relevant sharepoints...
NetBootClients0:
NetBootSP0:
From what I've read, I have to set the NFS export to World, but the NetBootSP0 sharepoint doesn't offer a SharePoint tab (compare areas indicated with the red circle), so I'm unable to select Protocol Options and confirm the NFS and/or AFP settings. Should this tab be there? Why might it not be?
Any help is appreciated. I've been having quite the week looking into this.
Thanks so much in advance.
Michael

I no longer have a 10.6 server setup, so I'm going from memory here...
It looks like the sharepoint wasn't created properly. I would go into the NetBoot panel and completely tear down the configuration (disable ports, sharepoints, save.) Then reconfigure it and see if that causes the sharepoint to be configured properly.

Kernal Panic At Startup

HI i have a MBP and go to college for the last week i have been getting the Kernal Panic at the start up while at school but when i went home and nothing was pluged into my computer it started up fine. so when i got back to school i started try to start up with pluging 1 thing out to try to find out what was causing the Kernal Panic. it seemes like that either my printer pluged in by USB or my Power cord are causing them would that make any sense.
Thanks for all the help
Here is my report from apple-
panic(cpu 1 caller 0x001A3135): Unresolved kernel trap (CPU 1, Type 14=page fault), registers:
CR0: 0x80010033, CR2: 0x3ee4c840, CR3: 0x00e0c000, CR4: 0x000006e0
EAX: 0x00000040, EBX: 0x005b15d8, ECX: 0x00000040, EDX: 0x00000040
CR2: 0x3ee4c840, EBP: 0x14133b38, ESI: 0x3ee4c840, EDI: 0x3f9460ec
EFL: 0x00010216, EIP: 0x005b1627, CS: 0x00000008, DS: 0x00970010
Backtrace, Format - Frame : Return Address (4 potential args on stack)
0x14133968 : 0x128d1f (0x3c9540 0x1413398c 0x131df4 0x0)
0x141339a8 : 0x1a3135 (0x3cf1f4 0x1 0xe 0x3cea24)
0x14133ab8 : 0x19a8d4 (0x14133ad0 0x0 0x40000081 0x1)
0x14133b38 : 0x5b1980 (0x2d42000 0x3f946000 0x3ee4c840 0x0)
0x14133bc8 : 0x5b1bae (0x462260 0x0 0x14133be8 0x19d23a)
0x14133bf8 : 0x5b9b48 (0x3f946000 0x3f0cd01c 0x14133c28 0x39ac51)
0x14133c38 : 0x55f127 (0x2d42000 0x14133c6c 0x0 0x2816d18)
0x14133c88 : 0x56256d (0x27c5c00 0x2 0x14133ca8 0x19d23a)
0x14133cb8 : 0x562629 (0x27c5c00 0x0 0x14133cd8 0x3979f1)
0x14133cd8 : 0x399338 (0x27c5c00 0x1 0x0 0x0)
0x14133d18 : 0x3b00c1 (0x280a340 0x56264e 0x1 0x0)
0x14133d68 : 0x189c66 (0x2c7ed80 0x2 0x2e3e2c4 0x1)
0x14133db8 : 0x12b4da (0x2e3e29c 0x2815964 0x0 0x0)
0x14133df8 : 0x124b2b (0x2e3e200 0x0 0x30 0x14133edc)
0x14133f08 : 0x1955a1 (0x14133f44 0x0 0x0 0x0)
0x14133fc8 : 0x19ad4e (0x2757720 0x0 0x19a75b 0x2757720) Backtrace continues...
Kernel loadable modules in backtrace (with dependencies):
com.apple.iokit.IOGraphicsFamily(1.4.4)@0x5aa000
dependency: com.apple.iokit.IOPCIFamily(2.1)@0x59a000
com.apple.iokit.IOHIDFamily(1.4.9)@0x54a000
Kernel version:
Darwin Kernel Version 8.8.1: Mon Sep 25 19:42:00 PDT 2006; root:xnu-792.13.8.obj~1/RELEASE_I386
Model: MacBookPro1,2, BootROM MBP12.0061.B03, 2 processors, Intel Core Duo, 2.16 GHz, 1 GB
Graphics: ATI Radeon X1600, ATY,RadeonX1600, PCIe, 256 MB
Memory Module: BANK 1/DIMM1, 1 GB, DDR2 SDRAM, 667 MHz
AirPort: spairportwireless_card_type_airportextreme (0x168C, 0x86), 0.1.31.1
Bluetooth: Version 1.7.9f12, 2 service, 1 devices, 1 incoming serial ports
Network Service: Built-in Ethernet, Ethernet, en0
Network Service: AirPort, AirPort, en1
Serial ATA Device: ST9120821AS, 111.79 GB
Parallel ATA Device: MATSHITADVD-R UJ-846
USB Device: Built-in iSight, Micron, Up to 480 Mb/sec, 500 mA
USB Device: Apple Internal Keyboard / Trackpad, Apple Computer, Up to 12 Mb/sec, 500 mA
USB Device: USB Receiver, Logitech, Up to 1.5 Mb/sec, 500 mA
USB Device: IR Receiver, Apple Computer, Inc., Up to 12 Mb/sec, 500 mA
USB Device: Bluetooth HCI, Up to 12 Mb/sec, 500 mA
FireWire Device: IEEE 1394 Disk, Seagate, Up to 400 Mb/sec

if they can't resolve it via
phone, have them send it in for repair.
Which would not resolve anything if it is an invalid driver being used for the printer. It would be returned as no toruble found, yet your printer would continue to cause the issue at home.
if that doesn't resolve it, it could be a hardware issue.
back up your hard drive and request a new machine.
Apple will not replace your macbook simply because a third party peripheral device causes a kernel panic.
you should be stressed nor should you be tasked with
troubleshooting a $2,000 laptop that's no more than a
few months old.
Actually yes, computer maintenance and upkeep does fall to the owner. Making sure all software, firmware, and drivers are up to date is your responsibility, and one should never expect Apple to be able to remedy any situations that arise when these are neglected.
Best solution is to download all software and firmware updates for the computer, and make sure your drivers for your printer are up to date as well. If the issue occurs when no peripheral devices are attached but on the AC power, I would advise testing the computer with a known good adapter (this can be done at an apple store or authorized service provider.)

Kernel Panics during startups - cannot boot anymore

First: Sorry for my bad english - i hope you still can understand...
The facts:
- MacBook 2,0Ghz - 2gb Ram.
- After 8 weeks --> random shutdowns. In OSX, in Bootcamp, in any application, even during booting OSX
- Replacement of the logic board, after suggested by AppleCare
- After that: OSX instable. Totally. Safari, DVD Player, Firefox, Adium.... any application crashed almost every 5 minutes
- Even sometimes: Kernel Panics. One time even at the login screen
--> I tried a reinstall --> Archive & Install
- DURING the installation of DVD 2 --> Kernel Panic.
- Sucessfully installed OSX in the second try
- OSX seems to run fine - I do the update to .7 trough SoftwareUpdate
- During reboot --> Kernel Panic.
- and now: during EVERY reboot (short after the apple on grey background) a Kernel Panic. I took a picture of that:
http://tinyurl.co/jon89
And now? I am sad! Crying! I don't know what to do anymore.. I'm writing now in Bootcamp-Windows - this is still running...
ANY suggestions?
sniff,
Hauldhagen

Hi, Hauldhagen. Welcome to the Discussions.
See my "Resolving Kernel Panics" FAQ. This FAQ includes step-by-step instructions for identifying and resolving some of the most common causes of kernel panics.
My FAQ is a roadmap: start at the beginning and work through to the end, following the instruction in the order specified, including the "If all else fails..." section if a cause or resolution is not found in an earlier troubleshooting step therein.
Good luck!
Dr. Smoke
Author: Troubleshooting Mac® OS X
Note: The information provided in the link(s) above is freely available. However, because I own The X Lab™, a commercial Web site to which some of these links point, the Apple Discussions Terms of Use require I include the following disclosure statement with this post:
I may receive some form of compensation, financial or otherwise, from my recommendation or link.

Kernal Panic on Startup

Hey,
I just got a new Macbook Pro 13" and installed 10.6.3 on it after formatting the disc.
Startup went smooth and I started Software Update to update everything to the latest version. This was gonna take 2 hours so I went away. After I came back the screen was black and the Macbook wouldn't react to anything anymore. So I forced it to shutdown by holding down the power button.
Now it won't startup anymore: not from the HD, not from the CD (with either 'C' or 'D' pressed, and not from my external Firewire 800 Harddisc with OSX10.6.6 on it. Also booting into target disc mode or single user mode us impossible.
Two things can happen now:
- Either the machine boots and I see the gray apple logo; but then a Kernel panic follows.
- Or I hear three beeps and three beeps again and again and again untill I force it to shutdown again... So it beeps not once! But a whole sequence of beeps; meaning it doesn't follow the description of this article: http://support.apple.com/kb/HT1547
Still I tried to reinsert the RAM, but that didn't help; the RAM inside was never touched by me before; it came like this from Apple...
Anybody any idea what I can do?

me neither: but it shouldn't do any harm either, now should it?
I was just abel to get it into target disk mode and connected it to my other Mac.
Disk utiltiy found the following:
Verify and Repair volume “Macintosh HD”
Checking Journaled HFS Plus volume.
Checking extents overflow file.
Checking catalog file.
Checking multi-linked files.
Checking catalog hierarchy.
Checking extended attributes file.
Overlapped extent allocation (id = 234050, /.Spotlight-V100/Store-V1/Stores/7A04FE80-83C2-4507-8D34-2C58B666B0AA/live.1.in dexGroups)
Overlapped extent allocation (id = 234051, /private/var/db/crls/crlcache.db)
Overlapped extent allocation (id = 234057, /.Spotlight-V100/Store-V1/Stores/7A04FE80-83C2-4507-8D34-2C58B666B0AA/live.1.in dexArrays)
Overlapped extent allocation (id = 234062, /Library/Logs/CrashReporter/mds2011-01-24-200504localhost.crash)
Overlapped extent allocation (id = 234076, /.Spotlight-V100/Store-V1/Stores/7A04FE80-83C2-4507-8D34-2C58B666B0AA/live.1.in dexIds)
Overlapped extent allocation (id = 234078, /Library/Logs/CrashReporter/mds2011-01-24-200453localhost.crash)
Overlapped extent allocation (id = 234080, /Library/Logs/CrashReporter/syslogd2011-01-24-200456localhost.crash)
Checking volume bitmap.
Checking volume information.
Invalid volume free block count
(It should be 27145116 instead of 27145123)
Repairing volume.
Look for links to corrupt files in DamagedFiles directory.
Rechecking volume.
Checking Journaled HFS Plus volume.
Checking extents overflow file.
Checking catalog file.
Checking multi-linked files.
Checking catalog hierarchy.
Checking extended attributes file.
Checking volume bitmap.
Checking volume information.
The volume Macintosh HD was repaired successfully.
Volume repair complete.Updating boot support partitions for the volume as required.
Message was edited by: ~/boi

Logging Kernel Panic during startup.

Occasionally I have Kernel Panic while the Loading Modules stage. Can I redirect the error to a file (it is quiet large)? I don;t have a serial port to connect a terminal.

I've been trying to find some way to capture panic info without a serial port, too. The best thing I came up with was kdb/kgdb. It will page through the panic and stack dump, and let you look at the kernel log buffer in memory. I just looked, and I think it's running at that point in the bootstrap.
kdump/kexec might be another possibility, but I don't know about loading a panic handler that early..
If you find anything, post back. I'm interested, too.

Kernal Panic at Startup - iBook G4 1.33

Hi There,
I bought this second hand knowing there was a problem with the Airport card. Its a perfect little machinein great condition except when I start up I get the black screen of deatn (hold down the power button...) I restart a second time and no problems the ibook works like a dream.
Now I know the Airport card is faulty and have it turned of, would this still cause a problem? Does it mean I have to get a new one or is it another problem manifesting itself? As usual any help or advice is much appreciated?

Hey Paul Mcdaid & welcome to the forums.
Is the Airport card removable? If so, try removing it and reinstalling the card to see if that helps.
Are you near an Apple store at all? The folks there should be able to try a known-good card in your machine to see if the issue persists. If a known-good card also causes problems, then you would need to invest in a 3rd-party wireless adapter.
~Lyssa

Kernal Panic Attacks - how to diagnose

I have recently started to get kernal panics on my dual processor G4 with increasing frequency. The problem started when I switched monitors to a 1600x1200 Samsung (analog connected). They went from once every few days, to every day, to multiple times a day, to the point where my HD could not complete a start up without a kernal panic during the apple screen.
I tried the following:
1) tried the Apple Hardware Test CD and it check out fine.
2) Ran Repair Disk from OS X Tiger install disk - no errors found
3) Ran Repair permissions - many errors found and corrected
4) Ran repair permissions again - no errors found
5) Panic occured while still booted from Install disk
6) Machine seemed to work when started from external HD (though only used for a short period)
7) tried to boot from internal HD again and got panic before apple screen complete
8) removed memory (3 - 512K) and tried with individual dimms only. No panic each time - startup OK.
9) restored all memory and system now seems to work
Not sure if I will get panic again, but at least I can boot from internal HD again. Any ideas as to what else I can check. I believe I have gone through Dr Smoke's steps. Could problem have been due to dust on memory?
Panic log:
Thu Sep 14 20:42:19 2006
panic(cpu 1 caller 0x000A8B80): Uncorrectable machine check: pc = 00000000000A4D80, msr = 0000000040001030, dsisr = 42000000, dar = 00000000000BF000
AsyncSrc = 0000000000000000, CoreFIR = 0000000000000000
L2FIR = 0000000000000000, BusFir = 00000000ffffffff
Latest stack backtrace for cpu 1:
Backtrace:
0x00095564 0x00095A7C 0x00026838 0x000A8B80 0x000A7E10 0x000AB880
Proceeding back via exception chain:
Exception state (sv=0x46D0E780)
PC=0x000A4D80; MSR=0x40001030; DAR=0x000BF000; DSISR=0x42000000; LR=0x00032BB0; R1=0x22103DB0; XCP=0x00000008 (0x200 - Machine check)
Backtrace:
0x00032B78 0x0003C7DC 0x000A9654
Exception state (sv=0x42566780)
PC=0x00000000; MSR=0x0000D030; DAR=0x00000000; DSISR=0x00000000; LR=0x00000000; R1=0x00000000; XCP=0x00000000 (Unknown)
Kernel version:
Darwin Kernel Version 8.0.0: Sat Mar 26 14:15:22 PST 2005; root:xnu-792.obj~1/RELEASE_PPC

The "uncorrectable machine check" and Machine check exception state is pretty much an unrecoverable hardware error indicative of a more serious issue. It could be bad memory, it could be the logic board, it could be a processor issue, combination of some/all. Normally something like this may occur when the system is overstressed but faulty hardware exasperates the problem under even lesser loads.
In my case, I had intermittent panics which were hard to track down (pretty much folllowing the steps you did). I eventually did rule out the ram by running them in my Cube without any problems. Sometimes I could go weeks without an issue even under load after doing the troubleshooting but then all of a sudden, every few minutes to a few hours would result in a KP doing something simple as web browsing. Eventually it got so severe that one day, I got that machine check panic as soon as I powered on. It turned out to be one of the processors on the dual processor board failing from overheating.
This happened twice on my QS2002 within the first two years. The first time, the system could be coaxed to boot after letting it sit since the failing processor wasn't completely fried yet but the second time (not too long after the initial incident), one processor burned out completely (machine check KP right at power on). The tech showed me the chip and how bad it was. Luckily the first two times were covered under Applecare.
The third time happened out of warranty (at which point I was ready to grab the machine by the handle and fling it out a window out of frustration). Was almost ready to pull the trigger on a PM Dual G5 but decided to get the cheapest dual G4 (1.2GHz) upgrade from GigaDesign at the time in 2005 since this would hold me over until the Intel Mac's came out.
In all three cases, heat (even with attempted improvements to the airflow/exhaust) was the primary factor in the eventual processor failures since my system was always under constant load. I think the culprit was insufficient cooling of the aluminum heatsink (the GigaDesign uses a better designed and smaller copper heatsink along with two attached fans) which is magnified by a case which already has poor airflow.
I've had no problems with the machine since this brain transplant. Of course, anyone who is able to narrow it down to either the processor or logic board needs to think if it is worth sinking any more money into at this juncture considering the prices of a new Mac.
Mac OS X (10.4.7)

Constant Kernal Panics

I have a faithful iMac G4 that will now now longer boot up.
Usually my computer is turned on constantly, occasionally every few weeks or so I restart it due to software updates or just because I hadn't done it for a while. All these problems started after I turned the computer off and unplugged it for an hour or so while some electrical work was done in the bathroom (new switch for the shower).
The only other thing different about the machine is that about 4 months back we installed a new dvd burner as my superdrive had given up the ghost. An engineer friend who knows his stuff did it for me (with me watching, wincing as he pried apart my machine, It is my baby after all ) and all went fine.
Now after turning the computer off for a few hours, I'm constantly getting Kernal panics during the boot up process, but in differing places. Sometimes it's while the grey apple is on screen, sometimes when the screen has gone blue just after. Once in a blue moon it actually loads the operating system only to kernal panic a minute or two later.
So I booted into single user (after looking on the web) and ran fsck -f and it said there was a segmentation error, I then ran /sbin/fsck –fy after reading official apple support documents and looking around a bit more and found that this is apparently what your supposed to type (i'm not a command line guy) and it said all was ok. Each time I ran it it said the HD appears to be ok.
So I booted up with the Tiger install dvd and it kept kernal panicing again and again (at this point i'm thinking - **** it it's going to be hardware related) finally the dvd booted and I ran disk utility to verify the disk and it said the HD was ok. I decided to do a repair permissions and then went to the bathroom (I was getting ready for work) only to come back to a kernal panic.
I've reset pram multiple times, I've removed 3rd party RAM I had installed when I got the machine a few years ago. That I thought has fixed it until the next day it started Kernal panicing again.
I ran the extended hardware check and there was no problems, I then ran the quick check and it got an error with text coming down the screen about memory address's (i think, I know I should have paid more attention) and the option to type reboot.
So I did and tried again, this time I did the quick test first, and it passed, then I tried the extended and I got the same error.
So I turned it all off, I booted up fine till it got to the desktop where it kernal paniced again.
Now I did a pram resett during boot and when it gets to the grey apple I get a kernal panic and a screen full of text.
So I booted the tiger install disk and wiped the HD (it was all backed up), Hoping that this would help...
Nope I now have a completly blank HD and an iMac that will not install an operating system.
It's just got to be hardware hasn't it? From things I've read it looks to be a logic board problem, any idea how much this would cost me to fix in the UK?
So anyone have any idea's about what I can do?

Hello,
Those don't sound like Kernel Panics to me. Here are some things to try:
1. Reset the PRAM.
2. Boot from your Tiger Install DVD. From the Menu Bar choose Disk Utility select Macintosh HD on the left hand pane and run Repair Disk and Repair Permissions. Try booting again.
3. Try holding down the shift key after the start-up chime (or there abouts if you still don't have a chime). This boots the iMac in to safe-mode. Go into Apple Menu > System Preferences > Accounts and remove all the log-in items. If you've added any fonts recently remove those too.
It's probably best if you start a new thread as this will attract more attention from the real experts.
good luck and let us know how you get on.
mrtotes

Kernal panic osx cannot startup

Hello,
I have a 2011 macbook air that shipped with 10.7. I updated to 10.8 today and after the install and upon try to startup was met with the kernal panic multilingual 'there was a problem...you need to restart your computer...wait or press a key' message. pressing a key (or waiting) restarts the startup only to get the same message a few seconds later (usually just after it shows the login screen for a couple seconds). i can startup in safe mode and have performed disk permissions verification and repair successfully (there were some verification errors that were repaired. i also reset the pram just for kicks. in safe mode, i did a software update (but for whatever reason the smc firmware update doesn't seem to take, as it shows up again when i start back up). i can see all my files and applications in safe mode so i'm hoping not to wipe the disk. can someone recommend a way out? thanks.

Launch the Console application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Console in the icon grid.
Select the most recent panic log under System Diagnostic Reports. Post the entire contents — the text, please, not a screenshot. In the interest of privacy, I suggest you edit out the “Anonymous UUID,” a long string of letters, numbers, and dashes in the header and body of the report, if it’s present (it may not be.) Please don't post shutdownStall, spin, or hang reports.

Kernal Panic after update to 10.4.6/Missing HD Space/Won't Startup from DVD

Sorry to lump three problems together, but they may all be related.
First - I was getting random Kernal Panics while at 10.4.5, so I attempted to update to 10.4.6. The computer wouldn't even come close to starting up. I got a screen full of Kernal Panic info. I reinstalled Tiger 10.4.3, and that's where the system stands now. It's running fine.
Second - My computer suddenly announced that the startup drive was out of disk space. I looked and the window said 30g. I closed the window and opened it again only to see it at zero k. I dumped some items to get some disk space, but now I can't get my 30g back.
Third - I want to startup from the Tiger disk like I did when I reinstalled, but it won't startup from the DVD. I'd like to run Disk Repair on the main hard drive. It showed some errors when I ran a Test using the Disk Utility.
I'm hoping this is all related. The computer seems to be running fine, but I can't update or find my missing space. Any advice I can get on these issues would be appreciated. Thanks.
Jon

Is your computer saving a panic.log after each of the kernel panics? You can see by opening Console (in /Applications/Utilities) and looking for it. I'm not at my Mac now, so I can't tell you under what section to look for that log.
When you try to boot from the CD, are you holding down the 'C' key as the computer reboots? You can also try rebooting with the Option key pressed, which will present you with a list of bootable volumes. It will also give you access to the Apple Hardware Test (if this is the DVD that came with the computer). If you can select the Apple Hardware Test, I'd recommend doing the Extended Test, which will test the hardware, including the RAM.
For the disappearing disk space, you could have some process that is going bezerk and filling up the log files. In any event, to see where you disk space is being used, download and run Omni DiskSweeper.

Recurring kernal panics solved by cloning startup drive back to internal.

My MacBook Pro is about 14 months old. This scenario started about 8 months ago About every 4 - 6 weeks I start getting kernel panics with increasing frequency. Resetting PRam doesn't seem to help. Booting off an external firewire drive doesn't stop the kernal panics and I even get kernel panics starting off the install disk. I've done a clone of my internal drive to an external sata drive connected to my dual2.5gig G5 connecting the macbookpro to the G5 using target mode (I put the macbookpro in target mode). If I reformat the internal drive using the install disk and clone the startup drive back from the sata drive connected to my g5 (again starting the macbookpro in target mode) everything returns to normal for about a month and then the same thing starts happening again.
Any ideas what I could do to avoid this recurring problem.

Hi
If it were me I'd suspect a hard disk problem as well. They can and do fail, and whilst I guess it can happen at any time, they do seem to fail either very early on (in the first few months) or very late on (after several years). When the problem occurs, if the drive doesn't show up in the disk utility, it would seem to be something fairly fundamental that a reformat probably wouldn't solve anyway. I guess you could just check the power and ribbon cables are seated securely, but failing that, trying another hard disk would be one option. That would prove whether the problem lies with the drive or the computer. Most external drives are just normal internal ATA drives mounted in an external FireWire or USB enclosure. It may be possible to remove your external drive from the enclosure and install it internally just to see whether that fixes the problem.

Kernal Panic attack during Boot up

When i boot up i get a kernal panic attack when this screen and says
panic(cpu 0 caller 0x001A7BED): Kernel trap at0x00000000, type 14=page fault
BSD process name corresponding to current thread:
I cant quite read after the BSD Thread part seeing as the Kernal message attack comes up on the screen.
I seriously need help.
Running macbook model 2.1 with 2ghz processor 4GB ram. Running Leopard 10.5
This actually happened was updating Leopard when I installed 10.5.. then when it was installing i put the lid down.. then brought it back up after a few mins.. and it was a black screen, pressed the power button.. Nothing? so i switched it off then switched it back on and then this happened..
Now i dont know what to do

Boot from your installer disc:
Booting From An OS X Installer Disc
1. Insert OS X Installer Disc into the optical drive.
2. Restart the computer.
3. Immediately after the chime press and hold down the "C" key.
4. Release the key when the spinning gear below the dark gray Apple logo appears.
5. Wait for installer to finish loading.
If you get a kernel panic during the above then you have a hardware problem of some sort. Consider running diagnostics:
How to run hardware diagnostics for an Intel Mac
Boot from your original OS X Installer Disc One that came with your computer. After the chime press and hold down the "D" key until the diagnostic screen appears. Run the extended tests for a minimum of two or three hours. If any error messages appear note them down as you will need to report them to the service tech when you take the computer in for repair.
Some "common" error indicators:
SNS - sensor error
MEM - memory error
HDD - hard disk drive error
MOT - fan error

Kernal Panic during startup.

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