OS X :: IMac Crashing - Kernel Panic On Boot Up
Dec 10, 2009
Recently my 2-year old iMac (20inch (2Ghz, 320GB, 4GB RAM, OSX Leopard) has been crashing every day. The way to temporally "fix" the kernel panic is to restart the machine and boot into the instal disc, and run the disk utility (repair permissions, then repair disk). If I do not run the disk utility daily, the computer will begin crashing again over and over. Below you'll find the the crash data (which is always the same):
Interval Since Last Panic Report: 0 sec
Panics Since Last Report: 1
Anonymous UUID: A60F4F7D-F369-40E4-96F1-F2810273F105
BSD process name corresponding to current thread: kextd
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: iMac7,1 (Mac-F4238CC8)
System uptime in nanoseconds: 15150601001
unloaded kexts: (none)
I honesty don't know what to do to stop the crashing (other than runing disk utility every day). This is never happened before now.
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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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Mar 9, 2008
Yesterday my screen (30" Apple Cinema) started showing symptoms of graphics card failure, jagged lines across the screen. I rebooted my Mac Pro and it was gone. Then it happened again an hour later, this time the machine didn't boot, I get the Apple logo, and then it hangs up and the screen is shifted to left (I get apple logo on left side of the monitor instead of the middle) and jagged lines all over.
So the first thing I tested was using Target Disk Mode, it works. I can access my Mac Pro's internal HD's by TDM from my MacBook Pro. Then I tested single user mode, it does boot, I can't read what's written since the screen is shifted to left, but if I type (without seeing) reboot and hit enter, it reboots. So I assume the single user mode is working.
What else can I try to 100% make sure it's my graphics card that failed and everything else is ok with Mac Pro? I already ordered a graphics card replacement but I wouldn't like to be surprised if the Mac Pro still doesn't boot when the card arrives. It won't boot from Apple Startup DVD either. Same thing happens, gray logo then kernel panic with jagged lines all across the shifted screen.
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Oct 2, 2009
Yesterday my screen (30" Apple Cinema) started showing symptoms of graphics card failure, jagged lines across the screen. I rebooted my Mac Pro and it was gone. Then it happened again an hour later, this time the machine didn't boot, I get the Apple logo, and then it hangs up and the screen is shifted to left (I get apple logo on left side of the monitor instead of the middle) and jagged lines all over.
So the first thing I tested was using Target Disk Mode, it works. I can access my Mac Pro's internal HD's by TDM from my MacBook Pro. Then I tested single user mode, it does boot, I can't read what's written since the screen is shifted to left, but if I type (without seeing) reboot and hit enter, it reboots. So I assume the single user mode is working.
What else can I try to 100% make sure it's my graphics card that failed and everything else is ok with Mac Pro? I already ordered a graphics card replacement but I wouldn't like to be surprised if the Mac Pro still doesn't boot when the card arrives.
P.S. It won't boot from Apple Startup DVD either. Same thing happens, gray logo then kernel panic with jagged lines all across the shifted screen.
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Jul 21, 2009
I am a network adminstrator (for a windows network ) but personnally an Apple User. I am savy with linux and unix enough to get around etc, so my knowledge is broad and indepth.I have never had issues with my own Macs in the past 5 years, but my friends MacBook has an interesting issue.She told me that the computer was doing updates, and she didnt want to wait for it to finish and just shut it off in the middle of some OSX updates.
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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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Apr 23, 2012
Ever since I've got this iMac on the office, I've got the occasional kernel panics. At first they seemed to redeem themselfs during runtime, but for a while now, they seem to pop up at boot. And I mean, even not getting the Apple logo and it already freezes. I seem to be having this problem only in a frequency of say... once in two months or so?
Today I got it again and it even occured two times in a row, third time the system booted up. I would like to know whats up, I figure this must be a hardware issue since the system doesn't even load up. I'm a bit worried about sending this machine for it's warranty, since I won't have a machine for like 3 weeks until it gets back...
Here's the kernel panic:
Interval Since Last Panic Report: 274968 sec
Panics Since Last Report: 2
Anonymous UUID: 26D2C9E5-2CDA-4386-AEEC-A21012A8C927
Tue Apr 24 08:06:35 2012
[code].....
Info:
iMac (27-inch Mid 2010), Mac OS X (10.7.3)
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Jun 30, 2012
I got a friend and they are owner of an old MacBook pro aluminum 15 inch with intel core 2 duo.But now the problem. It doesn't boot anymore and you will see this:And then The circkel thing (I don't know the name in English haha) stops and I see the message that I have to re-boot the mac again. I tried serveral things. I tried to boot up the OSX cd but it doesn't work. Safe mode doesn't work. Nothing works. Does anybody know what the problem is?
Info:
MacBook
Pro, Mac OS X (10.7.2)
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Apr 20, 2012
What can I do when my computer doesn't boot and it appears a message "panic kernel"?
Info:
iMac (21.5-inch Mid 2011), Mac OS X (10.7)
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Sep 24, 2009
I've got a Powermac G5 desktop. I recently purchased a used keyboard for it off of Ebay. The computer was working fine with just a mouse. Shortly after the keyboard was plugged in, I got a kernel panic, and had to restart. I restarted, and immediately got a message saying "you need to restart your computer", and followed by another kernel panic.
Now, I get a kernel panic and "restart your computer" message, even if the keyboard is unplugged.
I was planning to do a clean install of OS X anyway, and figured that since the computer is completely useless at this point, now would be a pretty good time to go ahead and do it. So I tried to boot from the install CD by inserting the CD and holding down the 'C' key. No result -- it doesn't show me the "boot menu", and instead proceeds as usual, to it's "Restart your computer" message and subsequent kernel panic.
So I then tried rebooting and holding down the "Option" key, and managed to get to the boot menu. I selected "Mac OS X Install Disc 1" and clicked the "--->" button ... kernel panic again.
I'm at a complete loss for what to do next. Any help with this would be much appreciated. All I want to do is reinstall OS X.
How can there be a kernel panic from the boot CD? Apple didn't make it where it tries to use the kernel from disk during install did they?
I'm coming from a Linux background, and am not at all familiar with OS X, so forgive me if I've left information out that I should have included. Please let me know if this is the case, and I'll do what I can to provide it for you.
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Nov 10, 2010
my name is SPC Sanders. I am a forward observer currently deployed to Afghanistan. I've owned a Macbook Pro for a couple of years.
About three weeks ago, I made the stupid mistake of attempting to run iOSX so I could dual boot with Windows 7 (all stuff I acquired while I was home on midtour leave.) The install seemed to be ok, however, I noticed immediately I could not make any changes to settings as my administrator password was no longer working. (Administrator is my only account on this laptop.)
At fear of losing my operability, I simply did not power down for that whole time. However, I recently moved bases, and alas, the time came to power down.
Upon bootup, I get a constant spinning wheel. I left this on for a couple of hours just to be sure, then realized it was a lost cause. I tried booting in safe mode, and I got some kernel panic. It says a bunch of stuff about debugger calling the panic, bla bla bla, but the thing that caught my eze was Mac OS version not set yet.
After booting in safe mode, getting that error, and powering off, my laptop will boot into a grezish blueish lightblueish (alternating) type of screen, which sometimes has the spinning wheel, sometimes not. Again, nothing.
I understand I will probably need my OS disc to fix this, but I didn't bring it with me. Am I SOL?
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Dec 5, 2009
Mac G5 ppc OSX10.4.11
Starting up from any boot disk will give me a kernel panic forcing me to hard restart.
Background:
After many freezes I ran disk utility and I get:
Checking Catalog file.
Invalid index key
The volume Macintosh HD needs to be repaired.
Error: The underlying task reported failure on exit
1 HFS volume checked
Volume needs repair
So I use my wife's Imac startup disk to boot it in order to repair but I get the dreadfull death screen (I know how to press the C) I'm thinking maybe it's because her disk if for her Intel proc so I go and buy a copy of disk warrior 4, and same problem.
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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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Jan 9, 2010
I am quite new to Mac and I've had the new 21.5' imac for around a month now and since few days ago, I started getting kernel panics at least once a day.
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Mar 15, 2008
I just got a refurbished iMac G5 from the university. When I got home I installed all of my applications. I then update them. Like usual, I have to restart the computer when they are done installing to complete the process, so I do. However, when I boot up the computer again I get a Kernal Panic. ("You need to restart your computer. Hold down the power button for several seconds or press the Restart button.")
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Sep 10, 2009
I've just had two kernal panics. The second time it was during start up. Now it won't start up at all. Gets to the White screen and tells me to restart. I bought this 8 months ago and have had nothing but trouble.
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Sep 2, 2014
My iMac keeps restarting with a kernel problem error message. A while ago I had the same problem soI reinstalled Mavericks and all was fine for a while now the problem has returned. Why did it start in the first place and more importantly can I stop it?...it just restarted again as I'm writing this.
Info:
iMac, OS X Mavericks (10.9.4)
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Sep 3, 2008
I'm having crazy kernel panics on my 1GHz iMac G4, every 15 mins or so. There was a power outage and it wouldn't boot up (stuck on gray screen) so the MacGenius wiped my hard drive and reloaded 10.3.5 (yeah I had 10.3.9 - old stuff). Before the MacGenius got to it, the Hardware extended test showed no memory failures, but now the Hardware test shows: memory error detected, 2 MEM/1/4: DIMM0/J22.
I can't get the software update to run, but the kernel panics happened when I had the latest updates (for the 10.3), so I don't think thats the issue (but another issue).
I have had the computer open before so I'm comfortable with crackin it open, but if I were to pull one of the ram cards, which one is DIMM0 ?
Is the ram bad? Is this causing my kernel panics?
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Mar 18, 2010
Recently my iMac 24" was randomly shutting off, finder unresponsive, applications could not launch, and startup would take upwards of 4 minutes. Thought it was most definitely a harddrive issue because when I would option-boot (had windows 7 on another partition) no bootable drives would appear and upon trying to boot the install CD I would get a Kernel Error. I ended up getting a brand new 1.5 TB this afternoon and installed it in the iMac a few hours ago. Now when booting the computer I get the HDD with a question mark as I should since there is not data on the drive... Problem begins when I try and boot from CD, where I'm getting a Kernel error. Spinning circle for about 3-4 minutes after selecting CD from the option-boot or when booting while holding down C. Here are the logs from my Verbose mode boot, I have nowhere for the logs to save so i had to take hi-res pics, sorry.
[URL]
System Specs are as follows. Aluminum 24" iMac running OS X and Windows 7 (both with all updates) 2 gigs of ram geforce 8800 i think.... Memory should be fine, i have two 1 gig sticks, and I've tried booting the computer with each of them installed separately. Also have tried resetting nvram, pram, etc... ALL the usual recommended steps so you can skip those suggestions.
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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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Dec 21, 2008
I'm having a problem with my new intel iMac, 2.8GHz. Whenever I play games in XP through Boot Camp, especially Sim City 4, my mac crashes with the audio looping over and over. I have to hold the power button to restart my mac. I've been searching for solutions, but haven't found any definitive answers. I recently updated the Realtek Audio drivers, but that didn't help. Could there be heat issues when playing games on the windows side that causes this?
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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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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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Apr 11, 2009
I've had two of these in less than 24 hours on this new machine. I was able to work in Photoshop and Aperture fine, but the minute I started watching Hulu videos I started getting these. Oddly enough. I zapped PRAM and repaired permissions, and haven't had another one yet... but should I just take it back now while I'm still in my 14 days?
Here is the log:
Mac OS version: 9G3553
Kernel version:
Darwin Kernel Version 9.6.3: Tue Jan 20 18:26:40 PST 2009; root:xnu-1228.10.33~1/RELEASE_I386
System model name: MacPro4,1 (Mac-F221BEC8)
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May 3, 2009
Happy for my macbook pro for almost two years. Lately it's been unstable and freezes sometimes. Two days ago it went to kernal panic and shows kernal panic screen and asks for restart everytime it restarts. It won't start on DVD or safe mode (it just hangs there and keeps spinning). For single user mode, it first worked and I was able to remove login items, but it froze again and now generates the following panic log. All the hardware have been the same and I have installed vpn a few months ago and dropbox last week.
Jettinsoning kernel linker.
Resetting IOCatalogue.
GFX0: family specific matching fails
Matching service count =1
Matching service count =2
Matching service count =2
Matching service count =2
Matching service count =2
Matching service count =2
May 3 11:51:15 localhost DirectoryService[20]: Launched version 5.6 (v514.24)
Previous shutdown Cause: 3
ath_attach: devid 0x24
yukon: Eithernet address xxxxxxx
Override HT40 Powers. EEPROM Version is 14.4. Device Type 5
NVDANV50HAL loaded and registered.
GFX0: family specific matching fails
GFX0: family specific matching fails
GFX0: family specific matching fails
Matching service count = 0
May 3 11:51:24 localhost configd[28]: Error: No interface name for AirPort_Athr5424ab
May 3 11:51:24 localhost configd[28]: Error: ioPublishedDriverCallback() failed to initDeviceFromService()
May 3 11:51:24 localhost mDNSResponder mDNSResponder-176.3 (Sep 30 2008 16:59:38)[48]: starting
AirPort_Athr5424ab: Ethernet address xxxxx
AirPort: Link down on en1
May 3 11:51:32 xxxcomputer fseventsd[72]: event logs in /.fseventsd out of sync with volume. destroying old logs. (13 218 724)
AirPort: Link up on en1
AppleYukon2: 000000.00000 sk98osx_dnet - recovering from missed interrupt
May 3 11:51:32 xxxcomputer fseventsd[72]: log dir: /.fseventsd getting new uuid: xxxxx
May 3 11:51:32 xxxcomputer ntpdate[88]: can't find host time.apple.com
May 3 11:51:32 xxxcomputer ntpdate[88]: no servers can be used, exiting
AppleYukon2: 0000,0000 sk98osx_dnet - recovering from missed interrupt
May 3 11:51:41 xxxcomputer /usr/sbin/ocspd[97]: starting
May 3 11:51:32 xxxcomputer /system/library/coreservers/loginwindow.app/contents/macos/loginwindow[68]: login window application started - threaded auth
ciscoVPN: attempting to attach to all available ethernet interfaces.
ciscoVPN: checking if we are already attached to interface: en1
ciscoVPN: no, not yet attached to interface: en1
ciscoVPN: interface: en1, filter attached.
ciscoVPN: current MTU for en1 is 1500, saving it.
panic(cpu 0 caller 0x001A9C68): Kernel trap at 0x0019ca06, type 14=page fault, registers:
CR0: 0x80010033, CR2: 0x00000000, CR3: 0x01b51000, CR4: 0x00000660
EAX: 0x00000000, EBX: 0x00000000, ECX: 0x0549c004, EDX: 0x00000000
CR2: 0x00000000, EBP: 0x36077b58, ESI: 0x00000000, EDI: 0x36077c3c
EFL: 0x00010246, EIP: 0x0019ca06, CS: 0x00000000, DS: 0x00000010
Error code: 0x00000000
Debugger called: <panic>
Backtrace (CPU 0), Frame: return address (4 potential args on stack)
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