OS X :: Hardware Damage From Kernel Panic - High CPU Temps
Apr 29, 2009
Recently I've seen my Mac Pro 8-core CPU temps rise pretty considerably, between 10-15C after a bone head move on my part. After setting up a new Vista x64 virtual machine in VMWare Fusion 2, I was trying to get a Linksys USB to Ethernet adapter (USB200M) to work inside this virtual machine, but with little success. After tracking down a driver online which I thought at the time was a match for the chip on the adapter, I tried to load the driver manually in the virtual machine. This unfortunately resulted in an immediate OS X kernel panic; my first and only on this machine. Since then, my CPU temps have been on the rise. Not sure if its even possible for a kernel panic to damage hardware, but I'm wondering if any low-level software damage resulting from the kernel panic could be causing the higher temps?
I tried a simple restart which did nothing. I have since run the extended Apple Diagnostics and everything appeared OK. Also, ran a "fsck" check and everything appeared OK there as well. Is it even possible to damage hardware from a kernel panic? Finally, my kernel_task process seems a bit on the high side 83 threads, 350MB Real Memory and almost 2.5GB Virtual Memory. Could this be related to the kernel panic and indicate that I probably need a clean install of Leopard at this point? This is an Early 08 2.8GHz 8-core Mac Pro with 10GB third-party RAM. RAM has been thoroughly tested and running in the machine for over a year now without incident.
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Dec 29, 2010
The new Macbook air 13" ultimate has just arrived. Great new laptop, but if i play two 1080p youtube-videos the temps go as high as:
Cpu: 187F / 85 C
Northbridge: 154F / 67 C
fan: 6495 RPM (loud)
With a 75% cpu using rate.
(I read this out with the istat pro widget)
EDIT: Room temp = 20 C
This is not normal. Way to hot. Do you guys have the same Temps?!!
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Jul 9, 2010
Im kinda used to back in the day with custom built pcs and i remember i was very freaked out by high temps
i just played 1 hour straight of starcraft 2, i checked temps on the end. 80 degrees celsius, fans were at 4000RPM, i believe 6200RPM or something is max. Is that normal, room was pretty hot.
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Jun 15, 2012
Recently my computer has started to run slowly in things like games and the only time that it runs normaly is when I restart my computer and then it gets slow again after about 5 min. My computer's cpu has been running at about 77-87 deggres celcius. Is that the normal running temps of a 2010 13-inch macbook pro? I have asked on some other places and they have said that it is dust in my comp that is heating the cpu up and therefore making it run slower.
Info:
MacBook
Pro, Mac OS X (10.7.4), 13-inch 2010
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May 19, 2010
Whenever I use something cpu/graphic intensive, the temp shoots up and stays up. Normally I would idle at around 36C, but after I use youtube or play any game, the temps would stay at around 55C even after exiting all the programs and is at 99% idle. It's fine when I'm plugged in, but when I'm using my battery, I only get about 2.5 hours with the brightness on very low and wifi/bt off. Checking the stats on iStat, the battery is using 19Watts at idle.
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Jan 17, 2009
I recently dropped my 4 year old iBook G4 (while it was sleeping) onto a wood table from about a foot up. When I tried restarting it, I kept getting kernel panics. So I completely reinstalled the OS (Leopard). Now I can do most tasks on the computer, but I still get kernel panics on a regular basis. I think there is clearly a hardware issue, although there is apparently NO physical damage to the machine. There is nothing wrong with the hard drive, which is the only mechanical device that could possibly be damaged by a drop, right? Reinstalling Leopard didn't really solve the problem. (I'm looking for an Apple Hardware Test disc to see if that will help diagnose the problem...)
Here are the details for the kernel panic (after I reinstalled 10.5 -- I haven't updated to 10.5.6 yet):
Sat Jan 17 10:06:16 2009
panic(cpu 0 caller 0x000AE584): "Uncorrectable machine check: pc = 00000000319D0E88, msr = 0000000000149030, dsisr = 42000000, dar = 00000000067E0000
" " AsyncSrc = 0000000000000000, CoreFIR = 0000000000000000
" " L2FIR = 0000000000000000, BusFir = 000000000000ff00
"@/SourceCache/xnu/xnu-1228/osfmk/ppc/trap.c:975
Latest stack backtrace for cpu 0: Backtrace:
0x0009AD18 0x0009B6BC 0x00029DC4 0x000AE584 0x000AE804 0x000B22F8
Proceeding back via exception chain:
Exception state (sv=0x30a6d500)
PC=0x319D0E88; MSR=0x00149030; DAR=0x067E0000; DSISR=0x42000000; LR=0x319D0F70; R1=0x305CFBA0; XCP=0x00000008 (0x200 - Machine check)
Backtrace: 0x00000000 0x31A29B18 0x31A2A484 0x319CA3D0 0x00355B40 0x003547BC 0x00354E58 0x000AFE54
Kernel loadable modules in backtrace (with dependencies):
com.apple.driver.AirPortBrcm43xx(302.25.10)@0x319c0000->0x31aecfff
dependency: com.apple.iokit.IO80211Family(200.7)@0x300ee000
dependency: com.apple.iokit.IOPCIFamily(2.4)@0x29e84000
dependency: com.apple.iokit.IONetworkingFamily(1.6.0)@0x3000b000
Exception state (sv=0x29d94500)
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: 9A581
Kernel version: Darwin Kernel Version 9.0.0: Tue Oct 9 21:37:58 PDT 2007; root:xnu-1228~1/RELEASE_PPC
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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 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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May 14, 2009
I was updating my mothers ibook G4 and after the two restarts it gives me this. Is there any way to get past this she does not have a back up of her HD.
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Jul 21, 2009
I'm trying to get OSX installed onto my new intel x25-m SSD, but it just won't happen. Trying to boot from my install DVD that came with my new Mac Pro throws up a kernel panic after about a minute or two of loading.
Trying to boot from my store-bought Leopard DVD does nothing. After restarting it just sits there and the DVD stops spinning after a couple minutes. Is there another way I can turn my new SSD into the boot drive? This is driving me nuts.
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Jul 26, 2009
I'm new to mac so everything you say try to be as specific as possible.
i bought a used ibook g4 on ebay. i am pretty sure it is running OS X 10.1 if that matters but i'm not sure on that.
After messing around for a while i turn it off and back on a while later and when it was turning on it came to the gray screen and had a folder with a question mark then the little dude with the nice smilie face but an error comes up.
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Aug 15, 2009
My wife was attempting to load the most recent updates onto her MB, the update failed (not sure exactly which one) and now OSX won't load. She gets a "Version mis-match between Kernel and CPU PM" panic and it won't go any farther - neither in safe mode nor single user mode. I booted off of my computer's recovery disc (I haven't found hers yet - we recently moved) and used Disk Utility to repair the disk and the disk permissions, but it still won't load.
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Oct 11, 2009
i go the following kernel panic. it would be great if you could me identify why i am gettin these panic.I have the mid 2007 white macbook
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Nov 29, 2009
I did a quick search through the forum and didn't see anything specific about this problem. It just started to occur yesterday and nothing has changed on the computer. (Nothing new installed and no external hardware plugged in.)
Basically, it just pops up with the grey screen advising to restart. Sometimes it occurs after waking from sleep, sometimes it occurs after starting up, and sometimes it occurs in the middle of a task. I haven't noticed a specific pattern.
I ran the AHT and everything passed. I also ran Rember and the memory seemed fine in the test. I reset the PRAM and VRAM and the SMC after speaking with Apple. Finally, I reinstalled the OSX clean on the machine and the panics are still occurring.
This is the last panic report from the Macbook 1,1 2.0 with 1.25 GB RAM. I'm hoping it is the RAM and not something with the logic board, but am not sure if that can be ascertained without finding replacement RAM first.
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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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Jan 3, 2010
I tried to play world of warcraft so after going through all possible trouble shooting steps such as disc repair, reset pram and everything else I did an archive and reinstalled my OS. At first this seemed to work but then I could not even open safari with out the computer locking up So I erased everything and did a fresh install, the installation had no problems I did a disk check and everything before installing everything was good.Then I get to the welcome animation screen and on the first word the computer locked up at the graphics and the only way to get it off was to hold the power button and restart. Now I am stuck in a kernel panic and can not do anything. The only thing it will allow me to do is get into single user mode, I can not even boot to the CD or disk utility it just keeps giving me the kernel panic when i try and hold shift, c, or d while booting up.
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Feb 13, 2010
I'm getting this Kernel Panic randomly. What might be causing it?
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Apr 28, 2012
I get kernel paic upon boot. I did that hard drive cleanup and reinstalled Lion. What about memory? I need to upgrade my memory? I have 8 G of upgraded RAM. (20 inch iMac core 2 duo)
Info:
iMac, Mac OS X (10.7.3)
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May 22, 2012
My computer had problems with display, track pad, not powering up, and lots of parts were replaced in January (MacBook Pro purchased 12.31.09). Got it home, after a while constant kernal panics. tried everything, brought it into Apple store yesterday, ran diagnostics, hard disk repaired, seemed OK.
Shortly after I came home it happened again. I repaired permissions, did verify disk, no problems with disk. Updated software, including went to Java and Adobe and updated them. Nothing works. Now the permissions note lots of problems with Remote Management (one of the updates from yesterday, 5.21) and Java (yesterday too). MacBook Pro OS X 10.6.8, would like to go to Lion but don't want to until my machine is stable?
Info:
MacBook Pro (13-inch Mid 2009), Mac OS X (10.6.8)
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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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May 23, 2008
I recently decieded to step into the adventure that is world of warcraft, and I have experienced kernel panics once every two hours or so of playing. I wonder if my ram is sliding out of place, or i should reinstall w.o.w. If it helps any, when I restart my macbook, it tells me a bunch of seemingly random coding as well as mentioning world of warcraft.
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Nov 10, 2008
Since yesterday I have not been able to boot normally into Leopard. I had just switched of my ADSL modem and the computer froze after that it never boots in normal mode. I am in safe mode, the audio does not work in safe mode, everything is working. I am attaching the crash report in text format. I did try to boot after removing all the peripherals, also tried to reinstall but the computer does not accept the install disk , just ejects them. I am in real trouble now, suggestions are welcome. I am using a PowerPC machine specs PowerMac G5 1.6ghz with 1.25 GB RAM running OS X 10.5.5
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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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