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

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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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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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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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757 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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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 failed"@/...
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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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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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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 mbuf"@/SourceCache/...
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1answer
114 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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157 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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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 ...
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Kernel Panic Bluetooth

I have been receiving kernel panics a few times in the past few months, but each time I have noticed it is when I am connected to the internet through Bluetooth PAN to my iPhone. Most recently, the ...
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Uninstall OpenZFSonOSX on OS 10.10?

I installed OpenZFSonOSX even though it is not compatible with OS X 10.10. The zfs commands are not working and make the Mac to restart immediately. I tried "uninstall-openzfsonosx.sh". It causes a ...
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1answer
154 views

Kernel Panic on Late 2012 iMac

I keep getting a Kernel Panic on my Late 2012 iMac. My log is at http://pastebin.com/AbqrgeGk if you need it. Please help. Thanks! Log imported: *** Panic Report *** panic(cpu 0 caller ...
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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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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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Kernel panic - Macbook pro 15" early 2011

I have problem with "Your computer restarted because of a problem" loop. Sometimes my Mac doesn't crash all day, but sometimes it crashes 5-10 times at day. Thank you for every advice. Kernel panic ...
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180 views

Mac crashes when using Terminal app

I'm having trouble with my MacBook Pro. Specifically, it always crashes when I try to open the Terminal app. I get the following report: Anonymous UUID: 071752AC-395C-0603-2111-894859AA762E ...
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141 views

iMac 2011 With Yosemite kernel panics several times

Our Mac has kernel panicked about 5 times today. Below is the crash log if someone could help us out, cheers in advance. > Anonymous UUID: 2FBA36C0-0496-067C-BFC9-151393EB378C > > Wed ...
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158 views

Why is my external harddrive causing a kernel panic?

I've got a external harddrive that causes a kernel panic about a minute after connecting it to my MacBook. I can't work with it because it kernel panics before I can do anything. Is this a hardware ...
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What is a Kernel Panic and what does it mean?

I have this report: Anonymous UUID: 84DCCF22-1516-5255-9602-7222ECDA9095 Tue Aug 11 20:26:13 2015 *** Panic Report *** panic(cpu 2 caller 0xffffff8028bc1cde): "launchd died\nState at Last ...
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81 views

iMac keeps restarting every couple of minutes. Any ideas which software/hardware is the culprit?

Backtrace suspected of leaking: (outstanding bytes: 1337520) 0xffffff801936bf56 0xffffff80193b392d 0xffffff80193a0cab 0xffffff80193abcfd 0xffffff80197c9475 0xffffff801984bc56 last loaded kext ...
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608 views

Macbook Air (Yosemite) crashes while watching videos

For about a week now, my Macbook (Air early 2014) has been crashing whenever I have been using it to watch videos online (Youtube etc.) I took a look at the event logs and found a number of kernel ...
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Background processes periodically eat up my CPU time on OS X 10.10.4, Yosemite

Periodically the CPU on my iMac Mid-2015 running OS X 10.10.4, gets used almost exclusively by: launchd: ~70% fseventsd: 12% UserEventAgent: ~40% opendirectoryd: 20% notifyd: 12% I have tried ...
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KERNEL PANIC recurring after reinstall for Macbook Pro OS X 10.6.8

We reinstalled operating system at apple genius bar due to 3-4 previous crashes. Updated and timemachine restored files but it has started crashing again. Is it a firefox problem? Has the problem been ...
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Is there an (automated) test suite to find bugs for OSX?

Apple introduced a nasty issue with OSX 10.10.3 (see also questions here and here). Some Macs with an Intel HD 4000 have random kernel panics and sometimes graphics glitches. However, the problem is ...
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570 views

Yosemite Kernel panics involving com.apple.driver.AppleUSBCDC

I have experienced 5 kernel panics over the last few months. Using a mid-2012 MacBook Pro running Yosemite 10.10.4. I have reinstalled Yosemite and have erased, repartitioned and reinstalled. I have ...
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112 views

Unable to boot (kernel panic - reboot cycle) after 10.10.4 upgrade

Macbook pro early 2011, after 10.10.4 upgrade does not boot then gives the standard "you have a problem" message, then panic message again etc. I've attached an image below: , After ⌘Command-R ...
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123 views

Kernel Panic after freeze

My Mac just froze so I turned it off and tried a restart but it didn't work. For a few seconds I saw something that made me panic because I don't understand a word of it: panic(cpu 2 caller ...
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Macbook pro crashed after loss of power. Fixed a few problems, but still cannot boot

We have a 2010 Macbook Pro, and a few days ago he had it off the power connection, and it lost battery power. It shut down, and when we hooked the cable back up, it would show the apple logo, and have ...
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594 views

Kernel Problems randomly restarting MacMini Late 2012

I have a MacMini (late 2012) running the latest Yosemite version 10.10.4 and I get ocasional random restarts. Sometimes they occur right after I login from one of these restarts, other times it is ...
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387 views

Macbook Air restart and kernel panic issues

My Macbook Air 13 running Yosemite 10.10.3 inch doesn't resume from sleep always. Also, there is a 'No batteries Available' sign frequently and a cross (X) on the battery icon. Also, it doesn't ...
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After VirtualBox, “error loading kernel”

Installed VirtualBox, power off the Mac and when power on again there is this message (in attachment). I can navigate into Hard Disk. How can I resolve this problem ? Thank you
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MacBook running OS X 10.10.3 keeps crashing

My MacBook keeps crashing and restarting randomly. There does not appear to be a specific app that makes it crash. Panic Report panic(cpu 1 caller 0xffffff7f8f09bbdb): "GPU Panic: [<None>] 5 3 ...
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mid-2010 mbp randomly cuts off

Here is the panic report, please tell me what you think it could be: Anonymous UUID: AC6BCF96-3971-4434-B26B-74E0F09463C4 Mon Jun 29 04:41:45 2015 *** Panic Report *** panic(cpu 2 caller ...
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New Kernel Panic on Yosemite

I previously had recurrent kernel panics (documented here), which Tetsujin kindly traced back to Soundflower. I uninstalled the software, and the problem seemed to be resolved. However I had another ...
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Kernel Panic Report - Is my graphics chip dying?

Is my graphics chip dying? Panic Report panic(cpu 1 caller 0xffffff8019017cc2): Kernel trap at 0xffffff8018d0e11b, type 14=page fault, registers: CR0: 0x000000008001003b, CR2: 0xffffff80fa271000, CR3:...
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Moving Macbook Snow Leopard drive to a Macbook Pro that had Yosemite installed: kernel panic!

My wife has a mid 2006 macbook that has been upgraded to snow leopard. I have a mid 2008 macbook pro that has been upgraded to Yosemite. I now want to give my macbook pro to my wife, and thought I ...
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Kernel panic related to DirtyJetsamMemoryLimit?

I've been having random crashes (freezes or kernel panics requiring hard reboots) but I can't seem to pin down the cause. Looking in Console.app on restart, the only common factor seems to be related ...
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Perpetual Reboot / Kernel Panic

MacBook Pro5,3 (mid '09), with 1TB 7200 HD, OS 10.10.2 at first had an unresponsive display upon opening lid / waking. Only holding power down for 10sec to reboot snapped it out. Day later it started ...
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Kernel Panics on MBP mid-2010 with a Seagate Hybrid Hard Drive [duplicate]

I have a mid 2010 MBP 15-inch and I recently replaced the Apple manufacturer hard drive with a 1TB Seagate hybrid hard drive and I am running Yosemite. My MBP crashes randomly when I'm playing League ...
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3answers
502 views

How can I identify what my problem is from a Panic Report?

My iMac (late 2009 ) keeps hanging and the screen freezes. Anonymous UUID: B0BCD2D8-C300-6D40-6A72-6C102AF8254A Mon May 18 22:28:44 2015 *** Panic Report *** panic(cpu 1 caller ...
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4answers
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Graphic issues with Intel HD 4000

Since two weeks I see an incrementation in odd, graphical rendering issues on my MacBook Pro (13-inch, Mid 2012). These issues include flickering, oddly shaped figures, graphical noise and other ...
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iMac 2007 with accelerated graphics problems and kernel panics

I have a mid-2007 iMac. It's been getting kernel panics and locking up. I noticed it does this immediately when needing to use accelerated graphics motions, such as running Launchpad, using a ...
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Kernel panics too often OS X 10.10.3

I'm getting kernel panics more often than I'm comfortable with. I got one yesterday and one this week, not sure the exact frequency before that, but I got at least 4–5 of them within a day last week. ...
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1answer
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Kernel panic: need help to confirm or refute my hypotheses about the cause

I recently experienced a kernel panic on my MacBook Pro (OS X version 10.9.5). The crash report is attached below. I did some research on kernel panics, and I figured the VirtualBox kernel extensions ...
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713 views

Kernel Panics during and after 10.10.3 update

I have recently experienced two Kernel Panics on my MacBook Pro (13 inch, mid-2012). The first one happened during the upgrade process to 10.10.3 right at the end. The second happened today while ...
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63 views

Apple MacBook Air mid-2012

A few days ago, I got my Macbook Air battery changed at an Apple store. Since then, about once a day, I've had a "kernel panic" crash, which seems to happen randomly while I'm working. (I've never ...
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266 views

Panic reports/ Mac keeps on restarting

Does anyone know what this means? Anonymous UUID: 8195C90F-BAA5-F742-8694-AE59F9D349D3 Wed Apr 15 22:20:40 2015 *** Panic Report *** panic(cpu 4 caller 0xffffff7fa8c4ff63): "GPU Panic: [<...
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Your computer was restarted because of a problem — OS X Yosemite

My system was working fine, but when I was updating iTunes this problem happened. Sun Apr 12 21:17:23 2015 *** Panic Report *** panic(cpu 3 caller 0xffffff800a017cc2): Kernel trap at ...