In UNIX, a panic is an unrecoverable system error detected by the kernel.

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MBP keeps randomly shutting off

Panic report any ideas: Anonymous UUID: AC6BCF96-3971-4434-B26B-74E0F09463C4 Mon Mar 2 15:55:37 2015 * Panic Report * panic(cpu 0 caller 0xffffff7f9d9a9f63): "GPU Panic: [] 5 3 7f 0 0 0 0 3 : ...
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1answer
432 views

Can't a Macbook Pro work properly on integrated GPU only?

For a couple of weeks, I've been having kernel panics in my MacBook Pro (Early 2011, Yosemite), mostly doing zoom operations using QuickView and Preview. A couple of times, it had problems rebooting, ...
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1answer
743 views

OSX Kernel Panic Report

Just got this Kernel panic report. Any thoughts on next steps or ideas to fix?... panic(cpu 3 caller 0xffffff802cf70d0d): "a freed zone element has been modified in zone kalloc.128: expected ...
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140 views

MacPro OS install kernel panic

Something happened(crashing and graphic issues) to my MacPro(3.1) and so I decided to reinstall the OS with the factory discs. When I try to boot off the discs I get the following error. panic(cpu 0 ...
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14 views

Macbook pro mid 2010 GPU panic [duplicate]

I have one of the faulty mid-2010 MacBooks with a GPU panic problem. I cannot work, while keeping a sane state of mind. My machine is restarting 4-5 times a day. Here is a example of the log: ...
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1answer
649 views

Daily Kernel Panic on my MacBook Pro

My MacBook Pro kernel panics daily. I have clean-installed Mavericks yet it's not fixed. Could you tell me what is wrong from these reports? panic(cpu 0 caller 0xffffff8006adbf5e): Kernel trap at ...
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303 views

WiFi service hangs after random amounts of time

Sometimes - often when waking from sleep - the wifi service on my early 2011 MacBook Pro will simply stop functioning. I can open the wifi menubar icon, but clicking "Turn On" or "Turn Off" won't do ...
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1answer
450 views

Will forcing integrated GPU mode prevent GPU panics? If so, how to do that?

Context: My mid-2010 MBP 15" has started to get random GPU panics: Anonymous UUID: 84FEDF51-A1D6-EDC2-CC8C-6B53B7959874 Thu Feb 5 09:29:06 2015 *** Panic Report *** panic(cpu 2 caller ...
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1answer
265 views

Mac Mini crashes multiple times a day

I have been having trouble with my mac mini. It randomly crashes several times a day. Sometimes it seems to be triggered by using any browser, but Chrome is the worst. Youtube seems to be the biggest ...
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2answers
665 views

Macbook pro - mid 2012 screen going black

My screen keeps going black as if it is going to sleep but will then not wake up, no matter how many various key combinations i retry. I get the following stack trace upon restart which makes it look ...
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0answers
582 views

Repeated Kernel Panic on 5K iMac

Anyone have any ideas what cause my iMac to crash? Here are some panic reports... Anonymous UUID: 80AC7863-37B8-41EC-B86D-74843925A2FD Fri Jan 23 11:45:47 2015 *** Panic Report *** panic(cpu ...
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238 views

MacBook restarting frequently

My computer (a Macbook Pro 13" with 8GB RAM) has been restarting frequently and today I finally caught it before restarting and saw a "panic report." I'm not really sure what it means, so any help ...
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1answer
981 views

MBP crashing after wake from long sleep after Yosemite Install

Since I updated to Yosemite my mid-2012 MBP crashes when I open the lid after a long sleep. I have read numerous posts about other users experiencing the same issue, but all of their solutions have ...
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2answers
409 views

Please help me troubleshoot MacPro Kernel Panic

I am getting a lot of Kernel Panics recently, sometimes several per day. Here is the most recent one which occured when running Pro Tools HD on my MacPr 2,1: Interval Since Last Panic Report: 290582 ...
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126 views

How to disable a specific sensor within a .kext?

I have a Macbook Pro 13" Retina, mid 2014 with a "right palm sensor" that is malfunctioning. It thinks that the computer is overheating, and it therefore is causing the kernel_task to eat up 250% - ...
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253 views

Mac restarting (kernel panic) after I disconnect a 3g USB modem

Late 2008 Macbook aluminium, OS X 10.10.1; I've got a 3g USB modem (Olivetti Olicard 300) which I use to connect to the web. As soon as I disconnect it from the USB connector my mac restarts (kernel ...
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3answers
8k views

Why does my MacBook Air keep restarting because of a problem?

On an admin account on my MacBook Air mid-2013 I have tried repairing the disk and disk permissions, tried doing it from recovery partition and have even reinstalled the OS. This is the diagnostic log ...
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2answers
2k views

MacBook Pro keeps shutting down with no visible pattern

I've exhausted all the things I could imagine trying to solve my problem but unfortunately nothing helped. This is the 40th time today that my MacBook Pro suffers a kernel panic and then shuts down. I ...
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196 views

System failed to reboot and stuck at gray screen

I have an early 2011 MBP that came with Snow Leopard. I have now upgraded it to Yosemite. Yesterday, when I tried restarting the computer it did not recover from gray screen (kernel panic?). I tried ...
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1answer
2k views

Why does my mac keep crashing under panic report?

does anyone understand what this error code could suggest? Anonymous UUID: -------------------------------- Wed Dec 17 13:03:49 2014 *** Panic Report *** panic(cpu 0 caller 0xffffff801d41e80a): ...
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1answer
317 views

OSX Yosemite Kernel Panic with Wimax Modem

I have upgraded to OSX Yosemite from Mavericks 10.9.4 and a very weird problem is happening. I use a Hostless Wimax USB Modem from Qubee (Wimax ISP from Bangladesh) for internet. So, there's no driver ...
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337 views

Figuring out what is causing the kernal panic on Macbook

Figuring out what is causing this panic attack.. Can anybody help me with this? Panic (system crashes) log: Source: /Library/Logs/DiagnosticReports/Kernel_2014-11-05-230220_Kisuke.panic Size: ...
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3answers
16k views

Panic on boot, need to use single user mode (was: need to rebuild kext cache)

I'm getting this at every boot on one Mac: With some searching and asking around I've found that I can get a successful boot if I boot into single-user mode, mount / as read/write, and then do ...
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1answer
497 views

Unable to boot Yosemite and old system after Upgrade to Yosemite

I have upgraded my MBP 5,1 (2,53 GHz) from Snow Leopard to Yosemite. The install went terribly wrong and now neither a fresh Yosemite, nor a fresh Snow Leopard would boot. Moving away ...
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3answers
9k views

Mac OS X 10.6.8 won't start up after kernel panic

I got a kernel panic. When I restart the laptop the system gets stuck in the loading screen (Apple logo and loading gif) with the fans spinning as if there was no tomorrow. I tried booting in safe ...
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1answer
300 views

Kernel Panic unlocking an unlocked mutex or spinlock on MacBook 2008

My MacBook 2008 froze and I had to press the power button. What does all this mean? This is the report I got back: Interval Since Last Panic Report: 1640806 sec Panics Since Last Report: 1 ...
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3answers
1k views

Macbook Restarts Automatically After RAM Changed?

I have a MacBook Pro with OX 10.9.3 installed having 5 Gb of RAM. Yesterday I changed the RAM, and since that, my MacBook restarts automatically while working. I thought it was an issue with the new ...
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0answers
530 views

Update OS X without using discrete graphics card

I have a Macbook Pro late 2011 and my discrete GPU stopped working about a month ago, so now I have to use the Intel HD Graphics 3000 card only. Anyway, I've deleted some kexts related to my old AMD ...
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0answers
791 views

Frequent Kernel Panics on 2010 MacBook Pro. (Using Yosemite Beta) [closed]

I've been experiencing Kernel Panics on my MacBook Pro (15-inch, Mid 2010) for almost a year now. In the last few months the frequency has picked up significantly. There seems to be no real ...
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1answer
2k views

Kernel Panics and Three Beeps

Here's the log from my problem report. I'd really appreciate if someone could take a look at it. I should also mention that my computer has been freezing and beeping three times. I removed google ...
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3answers
12k views

MacBook Pro kernel panic at boot [duplicate]

My MacBook Pro kernel-panicked with this message, "You need to restart your computer. Hold down the power button until it turns off, then press the power button again." The same message appears each ...
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240 views

Kernal Panic IOAudioFamily second time within 20 days

The first time: I have not shut down the computer in about 2 weeks, always on sleep at night. Before I turned it to sleep, I used ScreenFlow and perhaps also checked my email. I just moved the ...
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2answers
136 views

Detecting malware in panic reports

Is there a way to identify kernel modules that shouldn't be there out of a panic report? For example, looking at this discussion https://discussions.apple.com/thread/2778885, there it was pretty ...
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2answers
8k views

MacBook shows circle with line through on boot even on Safe Mode and kernel panics

I was rebooting my early 2011 MacBook to run a hardware test on system boot using the shift key. It all went well and the hardware test was accomplished. I rebooted as usual and I get a circle with a ...
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1answer
1k views

Multiple kernel panics per day on MacBookPro4,1 2008 mostly in web surf mode

I've had freezing issues more and more frequently (now multiple per day) with my early 2008 Macbook Pro 4,1 I've pasted a recent kernel panic log beneath, and hope someone can point me in the right ...
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2answers
3k views

OSX Mavericks Kernel Panic

I am running Mavericks on a mid 2013 macbook air (haswell). I have been getting multiple kernel panics a day for about the past week. It isn't happening on any specific task or time - I can't isolate ...
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2answers
5k views

Mid-2010s Kernel Panic GPU - best options?

I'm having issues with kernel panics on a mid-2010 Macbook Pro 15 inch. I have read many threads about this (What's the cause of GPU panics on macbook pro mid 2010?) and the thread that links to ...
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2answers
7k views

How to copy files on Mac that fails to boot?

I moved some kext files from /System/Library/Extensions to ~/DisabledExtensions and now my Mac doesn't boot giving me "kernel panic" error related to some ATAPI driver. I want to copy these kext ...
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1answer
480 views

Interpreting constant kernal panic

I have very frequent kernel panic calls. Here is a report on one of them. I have no idea what is causing it. Fri Jun 27 11:21:45 2014 panic(cpu 1 caller 0xffffff7fad305f7c): "GPU Panic: ...
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2answers
2k views

Non Stop Kernel Panics on Mavericks

I've been facing a really hard kernel panic problem. I bought this macbook pro 17" about 5 months ago and at that time I had a few kernel panics but didn't event bothered cause I could still use it ...
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1answer
1k views

Macbook pro constantly crashing

We have a Macbook Pro (see spec below) that consistently crashes, it can run for anything up to two hours but the crashing seems completely random within that time. I've attached the spec and error ...
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1answer
223 views

iMessage Freezes/Hangs when sending screen shots

Worked fine sending 114k file of .png screen-shot; a 254k file freezes it dead. So bad that I couldn't open up a tab in Safari. I suspect Evil Forces, but would be amused to learn it's a known issue. ...
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1answer
15k views

Why does my mac keep crashing?

(I will have to do this fast, since I think my mac will crash again.) My Mac keeps crashing. It started happening since I installed Adobe Acrobat Pro (since then I have removed it), but it might be ...
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6answers
16k views

Constant kernel GPU panics (GPUPanic.cpp:127)

Hardware is a mid 2010 MAcBook Pro 15", i7 2,66ghz, 8 GB RAM, 512 MB Video RAM. I encounter regular kernel panics for a while now, I think since upgrading to Mavericks. Usually it used to happen ...
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1answer
334 views

DeployStudio Kernel Panic

We have setup a DeployStudio server on a Mountain Lion server and also a NetBoot set on the server for deploying an image for a lab of about 70 workstations. We are in the process of upgrading them ...
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3answers
5k views

Frequent GPU Panics [duplicate]

I'm just praying that I don't need to replace my logic board for this problem; I don't have applecare. Randomly my computer shuts itself off, sometimes just the screen, sometimes the entire system ...
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3answers
6k views

Frequent kernel panics osx 10.9

I'm getting kernel panics more often than I'm comfortable with. I got one yesterday and one today, not sure the exact frequency before that, but I got at least a couple last week. If anyone would ...
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0answers
51 views

crashing MBP :(

I have a MBP from 2010 with 2.4 Ghz Intel Core 2 Duo and 4 GB of RAM. Lately I am getting many kernel panics when my MBP is under high load, such as when copying, playing video's, editing etc. ...
2
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2answers
271 views

2011 27'' iMac kernel panic

My iMac has been giving Kernel Panic recently. its 2011 27in iMAC, and i added 8G RAM about one and half month ago. Around 2 weeks later, the error started and i upgraded the firmware. now im ...
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2k views

iPhone 4S: Grayed out Wi-Fi, and bug report exists for it

No, I don't want to try the hair dryer trick. Too worried that'll damage my iPhone. This is the bug report I have: File title: 2014-03-18-205028.panic.ips {"os_version":"iOS 7.1 ...