"BAD MAGIC! (flag set in iBoot panic header)" — Catalina freezing all the time!

I formatted my Mac and reinstalled macOS, the solution I was hoping to frequent freezing (after about 30 minutes of normal use). To my terrible surprise, my Mac still froze. A hard shutdown and restart and here I am.


The log says this: "BAD MAGIC! (flag set in iBoot panic header), no macOS panic log available"


I'm at a loss. I haven't installed any software and it froze. A quick hardware diagnostics didn't find anything wrong with my hardware. This is a new 2018 MacBook Pro. It was working great until Catalina.


This is terrible. I place myself in the helpful hands of the internet in the hopes of solving this.

MacBook Pro 15”, macOS 10.15

Posted on Nov 5, 2019 6:04 PM

Reply
Question marked as Top-ranking reply

Posted on Jan 12, 2020 9:51 AM

This question has already been answered in the thread, this bug has no regional limit.


What defines this kernel panic :

  • Recent hardware with T2 chip on MacOs Catalina (starts late 2018, includes new MBP16 & new MacPros) Some reported the same bug with a different name on HighSierra
  • Common triggers : sleep-wake mode + external devices connected (any device, from hub, to screens and hard drives)
  • Some have short burst of high temperature + maxxed fans + global freeze, right before sudden reboot
  • Non working fixes : Flashing T2 firmware / Changing unit or motherboard
  • Short lived fixes : SMC + PRAM reset / T2 security disabled / HD encrypting disabled
  • More solid fixes : Disable all HD & Screen sleep (energy saver panel) / Screen sleep via shortcut or hot corners works / Disconnect all external devices if you don't disable the energy saver mode while away
  • Note : passes the Apple Service hardware tests but is easy to reproduce once you are plagued with it and know how to trigger it
414 replies

Dec 10, 2019 10:11 PM in response to wo4w

same issue here with an brand new 2019 MBP 13 inc.

Im from germany, so i first posted this issue in the german forums with an reply to this thread.


Issue happened 3 times now, mostly in idle status. Same BAD MAGIC error essage appered after rebooting. very frustated.


Since i reported the issue one month ago nothing happens anymore. Today i will install the latest macOS update which was released yesterday. I hope this issue newer appears again. im just running standard macos software nothing else....

Dec 12, 2019 3:34 AM in response to pedro-ale

Same issue here. Brand new mbp 16, i9 2.3, 32GB. It happened a couple hours after installing the latest Catalina update. The Mac was plugged in at the time. High-rev fans for half a second then shutdown. I was just web-browsing. Upon reboot I got the same error message as everybody here.


Been using that Mac for about 10 days now and had 0 issue until that latest Catalina update. Should I get an Apple Store / ASP appointment?

Dec 12, 2019 12:55 PM in response to Central9

Hi!


im not sure if this is maybe another issue, not related to there "BAD MAGIC"......


Im getting this every time my MAC wakes up from sleep if it is connected to my external monitors. (After screensaver is ended).


(This artifacts never appeared without external monitors.)


Well, this is my first MBP, i used Windows PCs for years. All that is very frustrating.. I will give apple some time to get fixes for this issues, if they don't do anything i will simply switch back to Windows. :-/


See this reproducable artifact issue here:

Dec 13, 2019 4:16 PM in response to Community User

!ME! I am on my 5th "refurbished" one.

AND THIS ONE SEEMED TO WORK FINE!

For a whole THREE MONTHS before the update of CATALINA!

NOW it always a "nerve wracking experience" WHEN EVER I TURN IT ON+

So I have resigned myself to the fact---to use my Android whenever possible!

WHEN WILL ALL these "GLITCHES" AND "NOT READY FOR PUBLICATION" be repaired?

Certainly, feel very very SAFE using this PRODUCT!

I SPOKE to Apple regarding returning to MOJAVE. But I am afraid of "memory" & space issues.

As well as when I returned my last MacBook Pro---IT was due to "memory" issues.

And NOW this....Me & FINDER "are not satisfied" w/instructions or "tips" on improving the performance of my device.

NOTHING but NOTHING has worked. Can't throw in the "towel" yet.


BUT WON'T YOU ALL @ APPLE DO SOMETHING?

Thanks

Dec 13, 2019 4:20 PM in response to pedro-ale

That was HOW I noticed the problems/issues I am/was having & could not send a "SCREEN SHOT" HERE+

AS I was trying to exhibit what was occurring,

Since then, THAT issue has. been "RESOLVED"!

But the Finder Window is constant-CONSTANT! With SO many [some w/brand NEW devices] are having the same difficulties,

I know IT is not the "age" of my device!

Dec 13, 2019 4:29 PM in response to pedro-ale

"This is a new 2018 MacBook Pro. It was working great until Catalina".


SO I "know" it is not just my device (or AGE> as so politely stated)

I get notices of these conversations on OUTLOOK & so far I have 20 or so, I believe!

I JUST want IT back in the CONDITION "IT" finally was!

"FUNCTIONING" as expected! That IT isn't my "APPLE Ignorance" that is the CAUSE of ALL these issues!

Thanks~r


Dec 18, 2019 12:07 AM in response to pedro-ale

Same issue on my side. Getting the error on a regular base. My 2018 MacBook Pro (i9, 32GB, Vega20) is plugged in a Thunderbolt 3 Dock Pro connected to 10GB and a 4K monitor. Before this error message I already had issues with the machine... What happened to the reliability of Apple computers??? I can't recall any issues with my MacBook Pro 15 from 2013 or 2014....

Dec 20, 2019 4:41 PM in response to pedro-ale

I purchased a new 13" macbook pro 2.8ghz i7 /16gb/ 1Tb in November. Machine came with Catalina. Used migration assistant to move my data from my early 2015 MBP running Mojave. I have a 3rd party docking station with two monitors at my work desk. The migration went fine and everything seemed to work...until I hooked the MBP up to my docking station at work. After working for awhile from the docking station, I put the MBP to sleep and left the office. Upon returning, I woke the machine up and discovered it had restarted. Got the BAD MAGIC message. It now happens almost every time I put the machine to sleep and wake it up on the docking station. It has now happened when the MBP is in sleep mode off of the docking station. I guess from reading this thread, I have no choice but to go to the Apple store and get this replaced. I have had this machine for one month and have suffered through multiple daily BAD MAGIC restarts. I haven't been so disappointed in an Apple product since my Titanium Powerbook that lost physical connection to the battery due to the frame flexing every time I picked it up.

Dec 20, 2019 11:13 PM in response to igork3452

The problem is that at first, I thought it happened because of Final Cut Pro X, then I thought maybe updating to 10.15.1 would solve the issue, nope it happened many times during the update, then I reinstalled MacOS, it happened again during Final Cut, then they replaced it, now it happened again while I wasn't doing anything on it. I'm trying to provide as much information as possible for Apple, I still hope they would care or gave us information on what is wrong, maybe they won't because it's a hardware issue (let's hope it's not).

Dec 20, 2019 11:30 PM in response to igork3452

Just received a new 2019 Macbook Pro 16" on Monday and this has been happening every day. Mostly in the middle of the night while I'm asleep, or while I'm out, but it just happened while I was using it. Did the same thing. Froze, even the touch pad was totally unresponsive, then fans loud for a second, then reboot. So, doesn't seem much point in my reinstalling OS or whatever other pointless, time consuming things Apple Support would have me do, eh?

This thread has been closed by the system or the community team. You may vote for any posts you find helpful, or search the Community for additional answers.

"BAD MAGIC! (flag set in iBoot panic header)" — Catalina freezing all the time!

Welcome to Apple Support Community
A forum where Apple customers help each other with their products. Get started with your Apple Account.