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

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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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0answers
76 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 ...
2
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2answers
490 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 ...
2
votes
2answers
709 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 ...
4
votes
1answer
308 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
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 ...
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0answers
74 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
9k 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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145 views

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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137 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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0answers
94 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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2answers
4k views

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
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 ...
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1answer
238 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 available"....
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1answer
339 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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0answers
323 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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0answers
338 views

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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0answers
249 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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0answers
105 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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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 ...
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1answer
494 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
186 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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0answers
399 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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0answers
50 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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272 views

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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0answers
55 views

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
59k 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 ...
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3answers
13k 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 ...
2
votes
1answer
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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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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8 views

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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0answers
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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1answer
1k 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
623 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 ...
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0answers
106 views

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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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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0answers
20 views

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 ...
0
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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 ...
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 ...
0
votes
2answers
444 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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1answer
271 views

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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1answer
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 ...
0
votes
1answer
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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votes
3answers
4k 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 ...
0
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0answers
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 ...
2
votes
2answers
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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1answer
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 ...
0
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1answer
240 views

Question about GPU Panic on Mid 2010 MacBookPro6,2

I've read endless threads about this issue, but there is something I haven't found yet and I hope somebody could suggest something. For what I've read so far, a considerable amount of MBPs ...
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1answer
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 ...
3
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1answer
194 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 ...