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

learn more… | top users | synonyms

1
vote
0answers
133 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 ...
1
vote
0answers
91 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 ...
2
votes
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 ...
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 ...
0
votes
1answer
218 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 ...
1
vote
1answer
320 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 ...
0
votes
0answers
309 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 ...
0
votes
0answers
328 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 ...
0
votes
0answers
241 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 ...
0
votes
0answers
102 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 ...
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 ...
1
vote
1answer
421 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, ...
1
vote
1answer
185 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 ...
0
votes
0answers
366 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 ...
0
votes
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 ...
1
vote
0answers
267 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 ...
1
vote
0answers
52 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 *** ...
9
votes
7answers
57k 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 ...
0
votes
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 ...
1
vote
1answer
706 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 ...
1
vote
1answer
107 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 ...
0
votes
0answers
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 ...
0
votes
0answers
154 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 ...
0
votes
1answer
969 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 ...
-1
votes
2answers
529 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 ...
0
votes
0answers
105 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 ...
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 ...
1
vote
0answers
19 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
votes
1answer
144 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 ...
2
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
428 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 ...
0
votes
1answer
255 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 ...
1
vote
1answer
166 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
140 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 ...
8
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
votes
0answers
149 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
567 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 ...
0
votes
1answer
79 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
votes
1answer
234 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 ...
1
vote
1answer
571 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
votes
1answer
193 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 ...
0
votes
0answers
47 views

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 ...
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. ...
1
vote
1answer
554 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 ...
0
votes
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 ...
0
votes
1answer
108 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 ...
0
votes
0answers
118 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 ...
4
votes
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 ...
0
votes
0answers
212 views

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 ...
2
votes
2answers
2k views

What is causing a kernel panic on my macbook everyday?

Below is the report. It looks like a USB device, but how can I tell which one? Wed Apr 8 15:52:28 2015 *** Panic Report *** panic(cpu 3 caller 0xffffff801594887b): "thread_invoke: preemption_level ...