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

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How to investigate high kernel task memory usage?

I was using my MBP (with 16GB of RAM) as usual and out of blue I've this popup that: Your system has run out of application memory. To avoid problems with your computer, quit any applications ...
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votes
6answers
17k 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 ...
10
votes
7answers
5k views

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 ...
9
votes
7answers
61k views

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 ...
8
votes
3answers
5k views

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 ...
8
votes
4answers
14k views

How to deal with WindowServer kernel panics, three NVIDIA-related KEXTs in the backtrace, whilst using Google Chrome?

I have a MacBook Pro (MacBookPro6,2) running OS X 10.7.5. Once every few days, on average, my screen goes black and it stops responding. Before these incidents I'm mainly browsing, random web pages ...
7
votes
8answers
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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 ...
7
votes
3answers
56k views

What to do about broken WiFi on iPhone 4S after iOS 7 update?

Several iPhone 4S owners have noticed a problem with their WiFi not working after upgrading to iOS 7. It appears to be both a software problem (our phones have been working for nearly two years with ...
6
votes
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 ...
6
votes
4answers
1k 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 ...
6
votes
2answers
5k views

How can I troubleshoot Kernel Panics on my iMac

I recently started to see kernel panics on my iMac, that I believe has something to do with my hard drives. Not so sure though. How can I try to track down the cause of this error? Interval Since ...
6
votes
2answers
4k views

Getting Kernel Panics on a fresh Mavericks installation; Can anyone help analyzing the KP logs?

Since a couple of weeks, my MacBook Pro has been experiencing random kernel panics. I believe these kps started after installing Mavericks (although I am not completely sure). I decided to do a ...
5
votes
3answers
5k views

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. ...
5
votes
4answers
9k views

Mac Pro suffering from kernel panics almost daily

After running flawlessly for 2 years, my 6 Gig Mac Pro has started to suffer a kernel panic about once a day. Nothing really has changed as far as I know. Two details, probably irrelevant, I installed ...
4
votes
1answer
1k views

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 ...
4
votes
2answers
2k views

Mac crash after installing XCode

I tried installing XCode on my MacBook Pro, but for some reason, it suddenly crashed. After a reboot, I saw a message my computer had to restart because of some system failure. After this message, I ...
4
votes
3answers
2k 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 ...
4
votes
3answers
7k views

“You shut down your computer because of a problem.” keeps displaying on every boot

I am using a 13" MacBook Air (late 2013 model) with OS X Mavericks. Yesterday, my computer hung up and gave me a kernel panic error where it told me in different languages that I needed to restart it....
4
votes
2answers
3k views

Need help with MacBook Pro rebooting after upgrade to Mountain Lion

My mid-2010 MacBook Pro keeps rebooting after upgrade to Mountain Lion. The crashes are happening in different applications but seems to happen most often when scrolling inside of an email or Safari, ...
4
votes
1answer
3k views

Keep getting this kernel panic

I keep getting this kernel panic once a week and a half roughly. It freezes the computer (2010ish 17" MBP), showing this error: And giving this error dump on reboot: Interval Since Last Panic ...
4
votes
2answers
17k 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 ...
4
votes
1answer
2k views

What is causing this Kernel Panic (GPU Panic)?

My MacBook Pro keeps crashing. I can find no pattern to what causes it. Sometimes it goes for a day without crashing. Sometimes it crashes repeatedly. I've run an Apple Hardware Test (holding down D ...
4
votes
2answers
1k views

I keep getting kernel panics on my MacBook Pro

My 15" MacBook Pro keeps getting kernel panics, especially while watching videos or playing songs. I have tried memtest, TechTool Pro and also an AHT. They all say everything is fine. Here is the ...
4
votes
1answer
16k 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 ...
4
votes
1answer
311 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 ...
3
votes
6answers
28k views

OSX 10.9 Mavericks Update Causes Non-Stop Kernel Panics

I have a 2009 iMac that I just upgraded to 10.9 OSX Mavericks and after migrating my old software over, my computer is having random kernel panics within 5 minutes of being booted up. Can anyone find ...
3
votes
3answers
6k views

Kernel panics; Apple hardware test error codes… Bad memory?

My MacMini, which I bought new around Thanksgiving 2010 from Amazon, has been having quite a few kernel panics. They aren't consistent in any way, but they have become more frequent and now many apps ...
3
votes
2answers
10k views

How to find a cause of a Kernel Panic message, or BSoD?

How to understand why Beautiful Screen of Death1 appeared? When I tried to find what happened using "Console" I couldn't find anything useful in logs? There's no 'panic' or 'SIG*' in logs, so what ...
3
votes
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 ...
3
votes
3answers
5k views

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 ...
3
votes
2answers
8k views

Upgrade to OSX 10.9 from 10.8 causes random restarts

I recently upgraded my MacBook Pro (late 2011, core i5 2.4ghz, 8 gigs of ram) to OSX 10.9 from 10.8 (which in turn I upgraded from Lion). The installation seemed to go well and everything was great ...
3
votes
4answers
2k views

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 ...
3
votes
1answer
9k views

How can read an OS X crash report that has panic and Kernel trap in it?

I have macbook model 2009 that is crashing. I dont' understnad why is this happening Sun Jul 7 00:28:01 2013 panic(cpu 0 caller 0xffffff80084b8655): Kernel trap at 0xffffff8008462af0, type 13=...
3
votes
2answers
667 views

Do I have to run a disk integrity check after a kernel panic?

Relatively new to Macs, I'm used to Windows wanting to verify HD data integrity after an unexpected shutdown. I know they use different file systems, but do Macs need to do anything like this?
3
votes
2answers
1k views

Could the Java Updater (com.oracle.java.Java-Updater) be the source of all my kernel panics?

In the past few months I've been getting more kernel panics than usual. This is on my late 2012 2.3 GHz Intel Core i7 Mac Mini, running OS X Yosemite (OS X 10.2.2) with 16 GB of RAM. Looking at the ...
3
votes
2answers
8k 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 ...
3
votes
2answers
2k views

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 ...
3
votes
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 ...
3
votes
1answer
584 views

How do I prevent a scheduled shell script containing an rsync command from causing a kernel panic?

I have a simple backup shell script that runs daily at 1:00 AM. It uses rsync to copy twelve different directories onto my Windows computer's external hard drive. Here's an example: rsync -a --delete-...
3
votes
1answer
134 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 ...
3
votes
0answers
59 views

iMac Crashes kernel Panic

I have an iMac, and always crashing almost everyday. Can you please point me out to the right direction? Below is the Report after it had crashed. I Have already reverted to factory settings. no ...
3
votes
1answer
115 views

Random Kernel Panics with Shutdown Cause: -64

I'm using Retina Macbook Pro 15inch (OS X El Capitan 10.11.5) and getting random kernel panics frequently since March 2016. (1 or 2 times a day or more) This is a company laptop and bought in October ...
3
votes
1answer
201 views

2011 iMac kernel panic

My iMac keeps shutting down approximately every 3 hours. I added 8GB RAM about a month ago. i also upgraded the firmware. BSD process name corresponding to current thread: ReportCrash ...
3
votes
1answer
1k views

How to debug and solve an OS X 10.8 kernel panic which appears quite often, sometimes twice a day?

Suddenly my Mac started to have kernel panics, about 1-2 a day. I am running latest OS X 10.8.2 on a 15-inch, Early 2011 MacBook Pro 8GB RAM with Graphics AMD Radeon HD 6750M 1024 MB, Intel SSD + HD....
3
votes
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 ...
2
votes
1answer
3k views

Mac asked me to force shutdown my laptop

I've never seen that. A kind of shade slowly took over my screen and a message asked me to hold the power button until the macbook shuts down. Here is the error report: Interval Since Last Panic ...
2
votes
3answers
969 views

System Crash issue after Lion update

I have recently updated my Mac Mini machine from Mac OS X 10.6.8 to Mac OS X 10.7. Since this update my system has started crashing once or twice a day. Please find my crash report and screen ...
2
votes
1answer
781 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 ...
2
votes
2answers
633 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 ...
2
votes
1answer
2k views

Latest OS X update causes Finder crash (SIGSEGV)

Does any one know how to fix an error like this? Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Codes: KERN_INVALID_ADDRESS at 0x0000000102e50cf2 My Finder keeps crashing after updating my Mac ...