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32 votes

Monterey VM reboot loop and kernel panic in VirtualBox 6.1.32 (on Apple host hardware)

After some research, the problem seems to be about TSC (Time Stamp Counter) emulation. The following worked for me: Close ALL VirtualBox windows (otherwise the next setting will be overwritten) Run ...
Codeguard's user avatar
  • 711
23 votes
Accepted

My new Macbook (Sierra with touch bar) restarts every time I close the lid

First thing that drew my eye was that the panic appears to be 'networking' based. Kernel Extensions in backtrace: com.apple.iokit.IONetworkingFamily The only non-Apple kext you have is com....
Tetsujin's user avatar
  • 116k
16 votes

Monterey VM reboot loop and kernel panic in VirtualBox 6.1.32 (on Apple host hardware)

I found that changing number of virtual CPUs to 1 helps. But then it's slower, of course.
Codeguard's user avatar
  • 711
12 votes

Why did deadbeefdeadbeef become deadbeeedeadbeef?

The error message you have got is directly from the operating system kernel - warning of unexpected memory corruption. This is obviously not supposed to happen. 0xdeadbeef is indeed a common "magic ...
jksoegaard's user avatar
  • 78.3k
9 votes

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

All panic and sleep failure logs are stored in /Library/Logs/DiagnosticReports since Mojave, in Kernel-%DATE%-.panic files.
Evgeny Chatski's user avatar
9 votes
Accepted

Finally reinstalled macOS Sierra, but now I get a kernel panic

A kernel panic is nothing more than a software crash. A bit like when an application quits for no apparent reason, except in this case, it brings down the entire system, since the kernel is the heart ...
William T Froggard's user avatar
9 votes

Intel Power Gadget causes kernel panics

Update: Intel Power Gadget for Mac v3.6.2 should resolve this issue: https://software.intel.com/en-us/articles/intel-power-gadget I'm the owner of Intel Power Gadget for Mac. Please contact me at ...
Patrick Konsor's user avatar
8 votes

Kernel Task is using 1000% of The CPU on macOS Catalina

Kernel_task is a dummy process which takes up CPU resources from other applications in order to cool the system down. So I would look at your system's cooling, maybe use fan tools such as Mac Fan ...
AndrewC's user avatar
  • 364
8 votes
Accepted

Macbook air M1 - Repeated kernel panics because of display/external hub

No, this particular type of kernel panic does not in itself represent any form of risk of death of your computer in terms of actually damaging the hardware. The problem is almost certainly a software ...
jksoegaard's user avatar
  • 78.3k
7 votes

GPU Panic cpp 143 macOS Sierra 10.12.5 stability issues and spontaneous restarts

This was a known issue for this model MacBook Pro. Unfortunately, coverage for this has now ended. However, there are a few things you can do to minimise the problem. gfxCardStatus Many users have ...
Monomeeth's user avatar
  • 64.7k
7 votes

MacBook keeps crashing every day: Panic (element modified after free)

Its bug in GPU Radeon driver :( Apple cant fix it from macos 11.3. https://developer.apple.com/forums/thread/678644 Downgrade to 11.2.3 is workaround, but not recommended: this macOS has zero day ...
Yuri Trukhin's user avatar
7 votes

Monterey - repeated kernel panics : watchdog timeout: no successful checkins from dfrd in 180 seconds

I set up a cronjob for every 3 minutes to restart the TouchBar. Since I set up the cronjob, I did not have a single kernel panic. */3 * * * * /usr/bin/pkill "Touch Bar agent" &>/dev/...
pesc's user avatar
  • 71
7 votes
Accepted

macOS Panic: ANS2 Recoverable Panic

I was getting exactly this problem on my MacBook Pro 16" 2019. My machine was crashing every day. I was able to solve this problem by disabling Spotlight indexing on my Bootcamp volume. In System ...
mdwelsh's user avatar
  • 196
6 votes

How to investigate high kernel task memory usage?

I had a very similar issue after replacing my LCD screen on a late 2012 iMac. Fan was running at high RPM and had high CPU Kernel_task usage. I narrowed it down to a Temperature sensor you must move ...
fern10's user avatar
  • 69
6 votes
Accepted

MacOS High Sierra crashes after a while

Sounds like you're on the right track with how you've started troubleshooting. Without knowing exactly what you've already tried, and for the benefit of others, I've outlined how I would normally ...
Monomeeth's user avatar
  • 64.7k
6 votes
Accepted

Can't login because of kernel panic

This answer assumes: your internal drive is full and this is why you can't log in you do not have access to another Mac you do not have another drive you can boot from. The following steps will ...
Monomeeth's user avatar
  • 64.7k
6 votes
Accepted

Old MacBooks no longer boot Snow Leopard

That photo says the kext (driver) for the Atheros airport card is what's causing the kernel panic. There's a very simple way to disable this kernel extension, although it's terribly hacky: go into /...
Wowfunhappy's user avatar
  • 7,406
6 votes
Accepted

Is WindowsServer a part of OSX?

If you check carefully it’s “window server” with one S. WindowServer is a normal process, part of macOS (and OS X before the name change) and that watchdog indicates the system could not continue with ...
bmike's user avatar
  • 237k
5 votes

Why kernel log is empty?

As of 10.12, macOS no longer primarily logs to text files. However, you can interrogate the stored log data using the log(1) command on the command line in concert with the Console application (found ...
wjv's user avatar
  • 726
5 votes
Accepted

macOS Catalina watchdog timeout kernel panics

I've tried safe-booting which actually fixed the problem which let me to believe there was something about my standard suite of applications that was causing the kernel panics. Low and behold, I've ...
Martijn's user avatar
  • 331
4 votes

Kernel panic - Macbook pro 15" early 2011

I have exactly the same problem, with exactly the same error message, on the same model of Macbook. Initially I thought that the AMD discrete graphics was damaged; this is a frequent issue with those ...
Andrea Viceré's user avatar
4 votes

MacBook Pro freeze and goes off by kernel panic

Troubleshooting is a process of elimination and often requires patience, so keep that in mind as I'm going to offer you quite a few troubleshooting steps below. The first thing I would do is to test ...
Monomeeth's user avatar
  • 64.7k
4 votes
Accepted

Crash with error "No more room to grow table"

Seems it's a Google Chrome issue and the team is working on a fix. Check this issue.
Hejazi's user avatar
  • 166
4 votes

Kernel panic every hour or so "UPSB: thunderbolt power on failed" ever since I upgraded to High Sierra

This is not an answer but a list of elements to progress toward an answer. Kernel extensions upgrade On the MacOS version having this kernel bug, the Thunderbolt kernel extensions were: com.apple....
dan's user avatar
  • 12.3k
4 votes

Mac Mini 2018 Kernel panic bug_type 210 after Security Update 2020-002

I can confirm similar issues post Security Update 2020-002 on a 2018 Mac Mini runnign 10.14.6. A few days later I power it down. On restart refuses to boot normally, taken to Internet restore, which ...
Atomic Biscuit's user avatar
4 votes
Accepted

MacBook Pro 16 inch 2019 having kernel panics stating thunderbolt power on failed and now my USB-C Ports don't work unless I reboot

This sounds like a hardware fault, and you should return the laptop for repair. It might be difficult during lockdown, but call Apple and ask them what the process is for returning the laptop.
Scott Earle's user avatar
  • 4,006
4 votes

-20 shutdown, what to do?

Just as an update because this question keeps getting upvoted: it was a logic board issue - apple replaced the logic board under warranty definitely don't sleep on this issue
Mou某's user avatar
  • 891
4 votes

macOS Panic: ANS2 Recoverable Panic

Updated answer based on mdwelsh & Tinh Anh. There is no Bootcamp panel in System Preferences. Instead go to System Preferences > Spotlight > Privacy Tab > '+' and select your Bootcamp ...
rsharma's user avatar
  • 41
3 votes

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

Same model, similar issues - though I wasn't getting kernel crashing, but occasionally get non-responsive bluetooth after wake from sleep. An alternative workaround to restarting is to force quit the ...
merv's user avatar
  • 153
3 votes
Accepted

help me !! my computer is having kernel panics and i don't know how to stop them?

If you've been to the Apple Store, and had repairs done on the computer, its most likely the logic board. Typically if a computer is under warranty and a Genius at the Bar thinks the issue is ...
andy_5860's user avatar
  • 191

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