Power Mac G5 :: Getting Repeated Kernel Panic On Startup?
Nov 30, 2007
I am running a quad core G5 PPC. I updated to 10.5.1 last week when it was made available and had no problems until yesterday. I tried to empty the trash and immediately had a kernel panic. I restarted and that is when the problem became more apparent then a simple restart! The Kernel Panic continued to repeat itself on the startup screen. I called apple support and went thru all the steps with them including trying to boot from the OS X 10.5 disk, in safe mode, as a target, trying to reset the (I guess I forgot what we were resetting but I was told to hold down Apple-R and Option-P) as well as opening the case and holding down the small button underneath the RAM. Anyway, nothing worked. Even in target disk mode, it made my G4 Powerbook running as the main pop up with a kernel panic! I cant get to the finder to see what the kernel panic parameters are.
Information:
G5 Power Mac
Mac OS X (10.5.1)
PPC
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Oct 12, 2007
I have a G5 tower and randomy since last night my computer did that whole kernel panic thing then i restarted... sometimes it didnt boot up the computer just sat there. Other times it loaded and the computer would work for sometimes 5 to 30 mins before freezing again. What do you think it is?
Information:
Dual G5
Mac OS X (10.4.1)
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Apr 27, 2012
Last night I was defraging my G4 OS Tiger 10.4.11 and at about 53% the power went out. Now all I get at start up is the Kernel Panic screen. What should be my first step?
Info:
PowerMac, Mac OS X (10.4.11)
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Nov 7, 2010
I'm getting a kernel panic at start up and the optical drive wont read the start up DVD. I can boot up windows via bootcamp and the machine runs fine. I'm not getting any red LED's on my risers, so i'm assuming its not a RAM issue. I have a Mac Pro 8-core (2008) stock, just added 10 gigs of RAM.
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Aug 10, 2010
My Mac Pro (late 2006) now has kernel panics at startup. Problem first happened while computer was in sleep mode, a second kernel panic happened about 10-15 minutes after reboot the first time. Now it happens at startup every time. Zapped PRAM multiple times to no effect. Tested original 10.4 install disk, as well as 10.5 and 10.6 upgrade disks with all external connections removed and from a cold boot. The 10.4 disk causes the kernel panic every time. The 10.5 and 10.6 disks do too, if the C or D key is depressed. The upgrade disks will hang in a gray screen (10.6) or pale blue screen (10.5) with no keys depressed--computer keeps running but fails to boot. Also tested the RAM (4 X 512 MB) in different combinations of one pair in the top riser board (and switched risers, and removed lower board completely). All resulted in kernel panics. Next option?
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Nov 11, 2008
I'm trying to fix my iMac. I am getting a kernel panic from start up! I've tried troubleshooting from the apple website. I've tried holding C. I only have two disk. Mac OS S install disc 1 & 2. I've tried holding Control, Option, R, and P.
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Mar 4, 2009
I have a 2 year old imac that was working fine until last night. I had just installed the "raw photo compatibility" update (although i think this is just coincidence) and shut my computer down.
When i booted it up again 3 hours later, i got to my desktop but instead of seeing my usual 3 partitions (macintosh, home, windows xp) I only saw 2 - windows xp was missing. Not only this but my system was continuously beachballing.
I was unable to force quit so after a few minutes i held in the power button for 4 seconds until it shut down. Upon reboot, i was (and still am) only able to get to the white screen with apple logo that you get on boot up. On this screen you have a little gear spinning round. This spins for some time then just as my computer would usually boot into the O/S, the gear stops and it hangs.
I am running the latest version of Leopard and so far i have:
Tried diagnostics mode - all diagnostics come back ok, even in extended test
Single user mode - tried FSCK to repair, first time it made changes to drive, after that nothing.
Tried safe mode - wont boot
Tried booting from leopard cd - still hangs in same place
Tried booting from tiger on an external hdd - at same place it usually hangs, it kernel panics instead
Swapped ram out - exactly the same problem when using someone elses ram
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Feb 15, 2009
I have an iMac that I bought in October 2007. All of a sudden, when I try to boot up my computer, I get a kernel panic. Can't get any further than the kernel panic even though I keep on re-booting.
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Aug 6, 2009
My husband's mac book started acting weird while I was out own town. He was unable to get it to start up, but eventually did, backed up his important data, and then I had him attempt to verify and repair permissions. I guess it indicated there were errors but could not fix them. Once again, his macbook stalls at start up and will not get past the gray screen with the apple and the wheel. Last night at this point it kernel panicked.
Today (since I'm back now) I tried to boot it in safe mode, and it still hangs. I zapped the PRAM, and that didn't help. My next step is to try and boot from his install discs, when he finds them. My question is, should I bother trying to verify and repair, or should I just do an archive & install (if possible) or an erase and install (if necessary)? This is a mac book from 06-ish running 10.4.? My hubby claims to not have installed or updated anything recently.
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Nov 16, 2009
I moved over to an IMac from windows about 2 years ago and have never had any issues, until now. Whenever I boot my IMac I get a 'kernel panic' message (grey screen with 'you need to restart your computer in 4 languages). I cannot boot from my Mac HD, nor from a bootable superduper backup external HD, nor from my orginal SL or Leopard disk. All go into the kernel panic. I can however boot from my bootcamp Windows Vista partition. Tried booting into safe mode also does not work and gives the kernel panic screen. I have run both the standard and extended hardware tests and both have no errors. I booted in single user mode (that still works)and done a fcsk and unmount and both are without errors. Also done RAM flash. In single user modei can not find a PanicReporter directory or panic log. Cannot even install a fresh SL copy as my DVD wont boot either.
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Apr 21, 2010
Yesterday I was helping someone getting to know their MacBook Pro (early 2008, Intel core 2 duo 2.4GHz, Mac OS X 10.5.2). I installed Perian and Flip4Mac and Firefox 3.6. I also checked for updates because she's on a very old version. I tried downloading the updates, but because we had a very bad internet connection I stopped the download quite early on and told her to do it at home. However after I left she tried to shut down the computer but it hanged. She manually shut it down using the power button. When she tried to turn it on again she got a kernel panic message saying she should reboot. This however didn't work.
Now I've tried all sorts of things. I've removed Perian and Flip4Mac manually. I did a disk verification (all was well) and a permissions verification and repair. I tried booting in safe mode (still won't boot) clearing the SMC and resetting PRAM, none of it worked. I just wanted to check here first before either taking it to an Apple store or reinstalling Mac OS X. I've read on forums about hardware failing (RAM mostly). No idea if that's the case. I tried a hardware test, but I don't have her DVDs and used my own with version 10.5.5. The Standard test said it was all ok, but the extended test seemed to hang. I could ask for her own DVDs which I will need anyway if I'm going to reinstall Mac OS X.
Some details of the kernel panic:
The error code is: 0x000000010
Apart from that it says the following:
Backtrace terminated-invalid frame pointer 0
Kernel loadable modules in backtrace (with dependencies):
com.apple.driver.AppleIntelCPUPowerManagement(76.2.0)@0x2e63c000->0x2e65afff
And later on it says: Mac OS version: Not yet set.
And of course it shows some more info with lots of hex codes, I can type them out for you if you like, but I read elsewhere that the error message is usually not very useful. Would you recommend going to an Apple store to see if the RAM is faulty? Or do a reinstall of Mac OS X?
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May 10, 2010
Yesterday my wife's IMac (Bought in 2007, running SL)started to "Crash" Safari, and firefox were freezing and then the problem expanded to other programs like itunes. So this is what I did.
1. Copied all music and pictures to an external drive
2. Used the installation disk to restore a backup from time machine
3. Left it overnight
4. This morning the Imac said restore successful please restart
5. I did and then I got this grey screen with a picture of the power button on it telling me in lots of different languages to press the power button and restart.
6. I have done this about ten times now and it just keeps coming back
I am running the Imac with a bluetooth keyboard but do have access to a wired one. No idea if that makes a difference just thought I would mention it.
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Nov 20, 2010
I'm getting a kernel panic at start up and my mac wont boot up. I don't think its the RAM because the LED's are not red on the risers. When I start up holding "option" and select to boot up from the DVD it goes to the apple logo and on to the kernel panic. When I start up windows via bootcamp everything works fine. I've fsck. resetting PRAM, NVRam, nothing seems to work.
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Apr 22, 2012
I put a second hard drive in my Power Mac G4 Quicksilver 2002, and I decided to clone the old HDD to the new. The first time I tried it, it went on, never starting, just saying "calculating estimated time." In my foolishness, I closed the window, and ignored the warning. The second time I tried it, it went on for a good while, so I left it to it. When I came back the kernel panic screen was up. I restarted the computer, and checked the second HDD. It had about half of the Applications copied into it, so it was working initially. I booted with my install DVD, and ran disk utility and both disks were fine, no repairs needed.
This was the kernel panic info:
Interval Since Last Panic Report: 25215 sec
Panics Since Last Report: 1
Anonymous UUID: DBA4349C-EFC0-4AA9-83BD-CCE4AD0E89E3
Sun Apr 22 19:31:59 2012 Unresolved kernel trap(cpu 0): 0x300 - Data access .....
Info:
PowerMac, Mac OS X (10.5.8), Airport Card
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Jun 20, 2012
A few days ago the lightning strikes in. My old PowerPC Mac, running on OS X Leopard won't work after it, he was turned on ...He says that I have to restart my Mac. I've tried a Safe Boot ( 3 times ) but nothing helps. Could it be that he has an internal damage???When I start him up he makes some strange noises ...Â
Info:
PowerMac, Mac OS X (10.5.8)
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Sep 8, 2007
I'm relatively new to Macs and I wanted to try a clean install (or erase and install) on my ibook. I recently purchased a MBP and since Leopard is on the horizon, I wanted to do a "trial run" of installing an updated operating system. I know that you can just hit update instead of doing a clean install, but I've been reading that things run better when you do a fresh install. My old ibook still has Panther on it and I figured I could try to install Tiger on it from my MBP disks.
I know that this represents a violation of the license, but I thought it would be worth it to ensure that I don't make any major mistakes when I'm doing the same procedure with my brand new MBP when Leopard gets released. When I tried booting from the disk from my ibook I got a kernel panic which I interpreted as a sign that it was not a good idea so I abandoned the project. Now every time I try to start my ibook I get another kernel panic and I'm afraid I just broke my old computer.
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Mar 14, 2012
this morning my PM G5 quad won't start, also with 10.4 dvd install disk.When start lo load from DVD I've this Kernel Panic.
Info:
PowerMac, Mac OS X (10.4.11)
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Apr 2, 2012
Out of the blue I keep getting a kernel panic (You must restart computer) while using my G4. All I use it for is word processing and internet browsing. Seems to happen when switching between windows.Here is my most recent crash log reports:Â
Mon Mar 26 21:27:00 2012Â Â
Unresolved kernel trap(cpu 0): 0x300 - Data access DAR=0x000000002B154200 PC=0x00000000000ACD04
Latest crash info for cpu 0:
Exception state (sv=0x2708C280)
[code].....
Info:
g4 desktop, Mac OS X (10.4.8)
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Sep 27, 2009
Today I was preparing to get rid of my bootcamp'd windows7, change the partition size, and install XP. Well, I decided instead that I would just get a fresh OS X install, and install XP through the new bootcamp. So, I popped in my XP disc and went through the partition manager that comes with it (I don't know how to do it through mac) deleted all my partitions and installed windows so I could operate the cd-drive, and put in my OSX install disc.
(Perhaps I should mention I formatted it all to NTFS, thinking I could just reformat the whole thing with the OS X install like you can with windows). So, now I have a full NTFS partition, XP works fine. I can put in my OS X cd, restart and attempt to boot from a cd either from holding down option, or c at boot. When I try to do this, it pops up the kernel panic power icon, and gives me the "restart your computer" message. In recap my computer kernel panics on boot from cd.
Here's the question: Is this a true kernel panic, or is it due to the fact I don't have a partition available for mac to boot from? I didn't change any hardware, it was working perfectly fine prior to the -attempted- reinstall, and my XP install is working fine (minus the drivers), and after some research kernel panics tend to happen after hardware failures, in fact I had one happen a few months ago when my video card bit the dust.
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Feb 20, 2009
I began having freezes unrelated to any new software or behaviors. The hardware check showed no problems with the hardware or memory, so I cleaned out the inside of the computer, used Disk utility, AppleJack, Mac Janitor and reset p ram (all said it was OK, then the freeze came back), and finally zeroed the hard drive and reinstalled OSX.
It was stable for a few weeks then the freeze happened again followed by repeated kernel panics. I went thru all the steps above again but finished with an archive and install and created a new user admin account. Until this point the freezes and KP were on all three user profiles. But now this new user admin is fully functional while the others are still messed up.
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Aug 13, 2009
Trying to save/diagnose and old friend - g4 DP 1 GHZ using 10.4. I am getting repeated kernal panics and varieties of the grey screen. The last one is interesting.
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May 16, 2009
I've been having repeated kernel panics for a little over a week now. I've run disk utility, tech tools, the disk utility on the installation disk, remember ram test, installed a virus checker, reinstalled (archive/install) mac os x. I am not receiving any errors in the tests, but I am still having kernel panics. They always happen when I am on the internet, not immediately, but I'd say about 20 minutes or so into a session. I first started having the panics when I clicked on a link from someone's facebook page and a kernel panic immediately popped onto my screen. I've been having them ever since.
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Mar 19, 2012
Several times in the last few days the startup page has frozen. Following the instructions in the little instruction book I power down by holding the power button, wait a few seconds, then power back up while holding down the option key, and with all peripherals disconnected. I get a screen with two icons, "Macintosh HD" and "Recovery HD". The instructions say, "click the internal flash drive icon." Assuming that means the "Macintosh HD" icon, I click on that. That brings up a new startup page. Usually that is not frozen and I can sign in. Occasionally this second startup page is frozen too, so I repeat the power+option powerup. Whenever I have to resort to the second try I get an unfrozen startup page.Â
Once signed in I go to System Preferences and click on Startup Disk. Always after a frozen startup page I find this preference unlocked and the "Macintosh HD OS X 10.7.3" highlighted. I click on the icon, lock the preference again, and all works fine for the next one or two startups, then I get the frozen startup page again. One time on the power+option powerup I clicked on the "Recovery HD" icon rather that the "Macintosh HD" icon. All I got then was the blank Apple logo page with the revolving gear going on interminably. After several minutes I gave up on seeing what that would produce.Â
Info:
MacBook Air, Mac OS X (10.7.2)
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Mar 8, 2012
In both Snow Leopard and Lion, I am experiencing start-up disk failures that cannot be repaired by disk utility. Does anyone know what can cause this?
Info:
MacBook-iPhone, iOS 4
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Aug 30, 2009
Sounds like a desperate need for some Kentucky Fried Chicken while waiting for your 10.6 install.
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Jun 29, 2012
I am just starting a new job and have been getting extreme speed issues on my computer followed by this recent kernel panic. I am running 4 2 TB G Speeds through eSATA. My computer went down, when I brought it back up Final Cut Pro took 5-10 minutes just to simply open. I wasn't even attempting to open a certain project. Any ideas based on the attached Kernel report? [code]
Info:
Mac Pro
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Nov 26, 2010
For the past few days (never happened before) my apps started crashing continuously and kernel panic screen started appearing very frequently. I am still wondering what may be the cause of it, then I tested my RAM with Rember, and this log showed up:
Memtest version 4.22 (64-bit)
Copyright (C) 2004 Charles Cazabon
Copyright (C) 2004-2008 Tony Scaminaci (Macintosh port)
Licensed under the GNU General Public License version 2 only
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Jul 7, 2007
I know a lot of people dread this, let alone ask this. But how do you cause a voluntary kernel panic in 10.4?
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Aug 8, 2008
I get kernel panics after a few min's of running the Mac pro. The ram are perfectly paired (2x 4gb in both slots, both in the first 2) and I get issues with it it seems. It started to happen as of today but didn't happen the days before. Nothing was changed in the configs or software.
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Mar 18, 2009
I recently got a Dell 2209WA with built in USB hub. and great i thought, i can manage the USB ports on my macbook a bit more effectively. But it seems when i pull the USB cable when i want to go portable, it gets a KP, at the moment i suspect it has something to do with the logitech wireless adaptor i have plugged into the monitor. it exhibits these issues when the monitor is turned off as well.
I have another USB hub, but i pretty much use it exclusively for my external hard drives (i don't really like to keep it plugged in all the time, if powered up for some reason the drives spin up in the middle of the night even when the macbook is sleeping) and it does nothing like this when the adaptor is plugged into that.
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