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

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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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Does type 14=page fault kernel panic mean that RAM is bad?

A few days ago I upgraded my mac book pro to 16GB of RAM and now I am getting some kernel panics with page faults. Are page fault kernel panics typically caused by bad RAM or could there be another ...
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Regular Kernel Panics 10.11.3: com.apple.nke.applicationfirewall

I am experiencing new regular kernel panics on a Mid-2012 13” MacBook Pro. I’m not using any new 3rd party software and the hardware setup hasn’t changed. I tried uninstalling iShowU Audio Capture ...
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Display won't turn on after opening lid

Here's some system info $ system_profiler | grep Processor Apple: AUDynamicsProcessor: Apple: AUVoiceProcessor: Processor Name: Intel Core i7 Processor Speed: 2.9 GHz ...
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2answers
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Mac Pro: Kernel panic during HDD boot and DVD boot

I have a 2007 Mac Pro (OS X Tiger 10.4.11) that cannot boot up anymore since a few days. I see the grey screen with the apple logo and the rotating circle. After a minute or so I get a kernel panic. ...
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6answers
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OS X Mountain Lion - Kernel Panic and Restart after Sleep

I have a mid-2009 15" MacMook Pro, with 10.8.2 installed. Periodically, after sleeping my machine, I open it and hit a kernel panic. The logs fail at the AppleIntelCPUPowerManagementClient kext, and I ...
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1answer
305 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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664 views

Kernel panic recurring

I keep getting the following kernel panic. Can anyone help me, please? As a test I have just change HDD to SSD and update memory from 2 GB to 8 GB. All said to be compatible with mac. Upgraded os x to ...
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266 views

Macbook Pro 2010 Late Kernel Panic issues

I've had random kernel panics on my computer since about the time I updated to OSX Yosemite. I should add that I have a crucial m500 SSD and use the mini port to connect my laptop to a large external ...
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126 views

Recurring kernel panic when waking from sleep — can anyone tell me what this report means?

Hello — I'm experiencing kernel panics every single time my Mid-2012 MacBook Pro (2.3 GHz, Intel i7) wakes from sleep. Running El Capitan 10.11.3. I look at the reports, but they are entirely greek to ...
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1answer
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MacBook Pro crashes and panic after Yosemite

I have updated from OS X 10.8 Mountain Lion to OS X 10.10 Yosemite 6 months ago and since then my Mac freezes with no reason (I need to switch off the computer). Yesterday after installing a Yosemite ...
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3answers
456 views

What is Causing the Kernel Panic

I've been having an issue where my computer will randomly shut down and give me the panic report saying that your computer restarted because of a problem. I took it to the apple store they ran a ...
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7answers
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GPU Panic: OS X 10.11, El Capitan stability issues and spontaneous restarts

I am facing severe stability issues after doing a clean install of OS X 10.11, El Capitan, on my MacBook Pro (Mid 2010). It restarts spontaneously for no apparent reason. Sometimes it subsequently ...
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1answer
2k views

El Capitan gives me a kernel panic error right after installing

Almost immediately after the installation reboot, and seconds after the apple logo appears the following error shows up; panic(cpu 0 caller 0xffffff8017d263a6) : "zone_init;kmem_suballoc ...
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49 views

MacBook Pro reboot twice every time I wake it up from sleep mode

I'm wondering if I need to migrate to Linux to have a functioning OS.. Anyway, my problem is present from Mavericks till El Capitan and is about rebooting twice every time I wake my MacBook Pro from ...
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2answers
434 views

Macbook Pro later 2011 with El Capitan Version 10.11.1 (15B42) crashing with no reason

I don't know yet what is causing this issue. I have a bootcamp installed Windows 8.1 and I was having no issue even after updating to El Capitan and now I got a BSOD on Windows twice (when I tried to ...
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1answer
7k views

Kernel panic after installing El Capitan

I've upgraded from El Capitan GM to Release today. After the installer app has moved the install files, the mac tried to reboot but the screen stayed black. I shut it off using the power button and ...
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2answers
375 views

Kernel panic in old MacBook Pro after upgrading to El Capitan

I'm trying to get my old 15-inch MacBook Pro (Mac-F42D86C8) from late 2008, back to life. I installed El Capitan operating system upgrade and since then, everytime I boot I reach a kernel panic and ...
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1answer
297 views

GPU Panic: Kernel panic when performing graphically intense tasks

I have been experiencing kernel panics roughly once per day since upgrading to Mavericks, but they overwhelmingly occur while I am doing something graphically intensive (eg: switching desktops, using ...
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1answer
308 views

Kernel Panic El Capitan 10.11.2 4MEM/60

The machine: late 2011 15in MacBook Pro i7 Sandybridge 2.2 GHz 8 GB/8 GB (1333MHz,DDR3) = 16 GB RAM Intel HD graphics 3000 512MB The background: I have had this Mac for awhile now. I have dropped ...
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1answer
130 views

MacBook kernel panic error screen on boot

This MacBook had milk spilled on the keyboard a few months ago. It's continued to work, with a few of the letter keys no longer functioning, up until this point. Now, upon start up, the MacBook just ...
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63 views

Macbook reboots twice after sleep

Macbook Pro, El Capitan. Anyway it occurred also with the old version of Mac OS X. May be a bad RAM stick? I write here the Apple Report: Anonymous UUID: 4C60E02F-404C-D0CB-4E5F-C463228584E1 ...
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2answers
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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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MBP Mid 2012 Panic report - Freeze and Crash

this morning my mid-2012 MBP 13" get stuck during everyday work process, freeze and restart itself. here the panic report Thu Dec 3 10:42:18 2015 *** Panic Report *** panic(cpu 3 caller ...
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115 views

random shutdown? (logfiles included)

My iMac (OS X El Capitan 10.11.1 newly installed on 27.11.2015) keeps shutting down randomly and restarting for about one and a half month now. Sometimes it even shuts down during the restart caused ...
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60 views

Unable to connect Samsung S22E450 monitor

I'm unable to connect my MBPr 15'' mid 2015 to Samsung S22E450 display using Thunderbolt to DVI adapter. Using this machine no kernel panic occurs. This is the console log: 23/11/15 11:04:32,769 ...
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Understanding kernel panic error log

My MacBook Pro worked all normal when all of a sudden it went black. It tried to reboot itself but immediately produced a kernel panic. From then on I was never able to boot again. I could only enter ...
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4answers
991 views

How serious are occasional kernel panics?

I had a kernel panic about 2 years ago, and another one a few days ago. I haven't had any other problems besides minor software bugs, and I was able to harmlessly reboot after both. I've been told ...
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1answer
181 views

Macbook Pro (Early 2015) bluetooth issues after waking from sleep

Just got a new MacBook Pro (Retina, 13-inch, Early 2015), but there are several problems with bluetooth. Most of them occur when waking from sleep: Sometimes the bluetooth icon shows "Not ...
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1answer
226 views

Upgraded iMac 5k restarts randomly

I have a very frustrating problem and I need your guys help to fix it. I bought an imac 5k that I upgraded it's CPU, HDD, RAM. This is my second one i have upgraded and the second one that keeps ...
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237 views

Can anyone help me with this kernel panic? (IMMEDIATE ungraceful shut down on “restart”)

Any help is appreciated, thanks in advance! :) (OS version is 10.11.0 - I can't upgrade to 10.11.1 without a graceful restart. ouch.) Panic Report Anonymous UUID: <snip> Mon Nov 9 18:48:26 ...
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MacMini Mid-2010 4,1 USB Problems with Keyboard and Mouse (IOUSBHostHIDDevice & AppleUSBHostPort errors)

I am having following issues on the MacMini quoted in the Title. Basically every so often, the keyboard and/or mouse freeze. I then have to unplug them and plug them back in and they work fine again ...
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191 views

Mac won't reboot or shutdown via GUI any more

A few weeks ago, I don't know exactly when but definitely with or after the upgrade from 10.9 to 10.11 my Late 2013 iMac stopped being able to reboot or shutdown via the GUI. When I click a reboot ...
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87 views

iMac 2009 late Kernel Panic

I always face kernel panic when the iMac processes heavy load, like editing iMovie and uploading to youtube. The problem occurred a few years ago from 10.9 to 10.11. The kernel panic logs are listed ...
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6answers
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Constant kernel panics since Mavericks update

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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3answers
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How to fix SyncMate kernel panic at El Capitan boot

I've recently installed El Capitan. The other day I restarted my computer for the first time for a while, and now it doesn't boot. I restarted in verbose mode and can see that there's a kernel panic ...
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1answer
231 views

Macbook Pro 2010 15" keeps crashing randomly with no warning

I have started experiencing random crashes from my 2010 Macbook Pro 15" It has not symptoms before it crashes, and it doesn't happen on a timely basis but it does happen once every few days, ...
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1answer
153 views

Kernel Panic - Random Shutdown - Please Help

Recently (the last three day) my late 2013 iMac has been suffering from kernel panics. After reboot, console shows a 'Previous shutdown cause: -62'. Can someone please tell me what this means. The ...
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206 views

MacBook Pro: panic cpu caller kernel trap

I am using MacBook Pro with OS X Yosemite installed. Lately my system is crashing and not booting up. While system was crashing, the screen was flickering and then it got shut down. I tried to ...
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47 views

What could be the cause to the Intel HD 4000 issues (kernel panics and flickering)?

Since the update to OS X 10.10.3 a number of people experience random kernel panics and display flickering. The issue is being discussed in the Apple discussion forum here. However, the discussion ...
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10.11 Prohibitory Symbol after Reimage or Kernel Panic on NetBoot

I apologize if this is convoluted. I've tried so many different ways of getting this to work that I'm getting them all mixed up. With the launch of Mac OS 10.11 El Capitan, we've encountered some ...
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Mac mini, restarting and kernel panic

I have had repeated restarts on a Mac mini (late 2012). I don't really understand the log, but I was hoping someone might be able to break it down and possibly offer some solutions. Thank you *** ...
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7answers
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Macbook permanently crashes while updating to El Capitan

I downloaded, and then started installing OS X El Capitan on my MacBook Pro. But I think it just stacked i think. So I turn off mac, and then turn on again. Every time when I try to login on my ...
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3answers
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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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1answer
443 views

Is 10.10.5 more stable than 10.10.0?

Straight to the point. I am using Mac OS X 10.9.5 (Mavericks) and have stayed on it mainly due to overall system stability. I don’t want to reboot or deal with crashes from Mac OS X or a Linux ...
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1answer
88 views

Should there be an Apple logo on the hard drive of a MacBook?

I was installing an update on my MacBook Pro mid 2012 when it crashed. Kernel Panic. I brought it to an authorized service center for repair. The following day, I got a call that the center is ...
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What does this error message mean? The iMac just restarted itself [duplicate]

Anonymous UUID: BA94AC5C-A21D-7A27-8D88-E5FDB68C5FFF Sun Sep 20 10:05:13 2015 *** Panic Report *** panic(cpu 6 caller 0xffffff801cc02617): "m_free: freeing an already freed ...
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0answers
123 views

kernel panics possibly related to XNU and CUDA

I'm running a CUDA program on my Late 2013 model MBP running OS X 10.10.5, the GPU is NVIDIA GeForce GT 750M 2048 MB. Unexpectedly and in a non-reproducible fashion it is giving kernel panics. The ...
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1answer
678 views

Possible memory corruption error

I have a Mac Yosemite version 10.10.4. Recently I've been experiencing problems with Firefox and Chrome, which both crash often. The real problem is that in the past few weeks I experienced some ...
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2answers
309 views

Kernel Panic causing crash OSX10.10.5

So I've been having a lot of kernel panics over the past few months, and the apple store says it's not hardware. I've taken it in several times under apple care (Still covered for one more year) and ...