MacBook Pro 16 2019 10.15.4 Kernel Panic / Reboot When Plugged In -- Help!

After I I've updated to the latest release of macOS, I've experienced a weird bug every time I leave my laptop closed (still on) for more than a couple hours and plugged in.


It reboots and states the message/log below.


Not sure what they changed but this did NOT happen before the update.


Things I've tried:

  • SMC Reset
  • PRAM Reset
  • Soft Reset
  • Hard Reset


I still experience this issue everyday.

MacBook Pro 16", macOS 10.15

Posted on Mar 28, 2020 1:48 PM

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Question marked as Top-ranking reply

Posted on Apr 9, 2020 9:17 AM

Thank you all for the support and suggestions/work arounds.


For my MacBook Pro, turning off the Power Nap feature on ONLY the Power Adapter setting has worked for me so far. I can leave that feature on when using the Battery.



As a side note, the latest supplemental update for 10.15.4 does NOT fix this issue yet. I have tried the BETA and can confirm they are working on fixing this bug because I did not experience a kernel panic when using it.


Now that said, I do NOT recommend the beta version. When we use betas, we run into beta bugs. There are quite a few that would annoy anyone using it which is why I've reverted back to 10.15.4.


So here's to hoping Apple can push 10.15.5 soon without any new bugs. <----- I know that's probably impossible but here's to hoping right?!

325 replies

May 1, 2020 6:40 PM in response to iTimC21

I'm also having the same issue. Ordered a refurbished 16" direct from Apple - came installed with 15.3 and I haven't upgraded to 15.4 yet since the error seems to continue. It's the 2.4GHz i9 processor with 32GB RAM and the 630 graphics. I've been keeping a daily log of the crash reports, most typically it's a "GPU panic" error but for two days I also received "hibernate restore error" instead.


The conditions are identical - closing the lid on the computer for more than an hour, coming back and it doesn't awake from sleep. I need to hold down the power to start up from the black and white logo, then get a crash log on the desktop after signing in with password. Really frustrating for a brand-new, professional grade laptop. I bought to replace a 2011 13" MBP that also just developed kernel panics, which was more acceptable in a 9-year old machine.

May 5, 2020 8:21 AM in response to Barney-15E

can you tell me something about my report? I will try clean system tonight. Anyway with my backup every morning problem occurs. Disable power nap works. Then I tried to work with Parallels (still version 14 maybe that’s problem) settings and yesterday I turned back on power nap and at the morning it was fine. I can still return my mbp (till Friday) that’s why I ask. I don’t know what to do. If it is soft I can live with it

May 12, 2020 9:01 AM in response to iTimC21

Thanks, I brought this 16 inch macbook pro and I had it for less than a week and I am seeing this problem. I cant believe these idiots do not think it is worthy of their time to address your concerns. You have spent so much time in trying to trouble shoot this. If this problem occurs for me again, I am sending this back to apple. They can have their macbook, I know I wont make a dent, but at this rate I dont think they will benefit either.

This attitude is visible even when we go to a apple store, apple should know that no matter how good their products are, without customers they are worthless.

May 13, 2020 7:22 PM in response to Lucafromca

Appreciate all you have done to try and get to the bottom of this. I am not particularly technical - especially from a hardware POV - so when I got my new Mac (having spent a small fortune in uncertain times) you can imagine how alarming it was seeing a brand new machine repeatedly crash. I agree that it seems the perception and lived experience of Apple customers has become more like it was for many of us in the bad old MS windows PC days years ago when you more or less expected your machine to randomly fall over and struggled to make it work with peripherals. Certainly it means jumping out of the Apple ecosystem becomes less unthinkable when Apple's reputation for leading in high quality usable products and reliability is tarnished by fumbles like this.

May 13, 2020 10:31 PM in response to pnm1

Thanks and yes it is indeed so dismaying. I do believe Apple has lost its way in many respects. I still prefer MacOS and iOS to any alternatives and this continue to make them my primary computing platforms. Though the past two years I’ve been put in an awkward position more than once to seriously consider a jump back to (blasphemy) Windows.


I believe the most frustrating aspect of what is happening is that so much good can be riddled with just enough bad that it ruins the experience entirely.


A beautiful and powerful laptop that crashes when it goes to sleep??? I haven’t had to contend with such issues since dealing with managed corporate Windows Laptops in the early 2ks. And Macs has no such issues.


The tables have sadly turned. But hopefully this is just a speed bump along the road of progress. Honestly, the best we can do is to be vocal. Send feedback. Be loud about what we want and ultimately vote with our wallets by withholding on upgrades if absolutely necessary.


As an example I refused to upgrade to a new MacBook Pro from my last late 2014 fully maxed/custom Pro until they offered at least 32GB of ram. I needed that and held out as long as I could. Thankfully it paid off and now I have machines with 64GB. Haha. Granted they just need to ensure they don’t crash and I’ll be quite pleased.

May 15, 2020 11:58 PM in response to iTimC21

I have this happening to me, too. The beginning part of the message looks like this:


panic(cpu 0 caller 0xffffff800be16487): 
"AppleIntelFramebuffer::setPowerState(0xffffff81bb0e1000 : 0xffffff7f8f3a8d88, 1 -> 0) 
timed out after 45917 ms"@/AppleInternal/BuildRoot/Library/Caches/com.apple.xbs/Sources/
xnu/xnu-6153.101.6/iokit/Kernel/IOServicePM.cpp:5296


I walk away with computer totally fine, but come back to a computer that's turned off. Pressing a key restarts the computer, then it shows this message "Your computer was restarted because of a problem."


Every. Single. Time.


Has anyone found a solution to this other than keeping the monitor turned on at all time? My MBP also has the fan on really strong whenever I start Premier or After Effect. Just starting. Not even doing anything in the app, and my MBP starts running the fans in full speed.


Here is my MBP hardware: MBP 16-inch, 2019. 2.3 GHz 8-Core i9. 16GB 2667 MHz DDR4. AMD Radeon Pro 5500M 4GB. Intel UHD Graphics 630 1536 MB. Boot ROM Version: 1037.100.362.0.0 (iBridge: 17.16.14281.0.0,0)


Catalina 10.15.4


Thanks!





May 18, 2020 8:49 AM in response to PK_Rockin

I ask myself why they do never mention this problem officially and why Apple does not care about customers having this very serious problem? I experience kernel crashes on a regular basis with a new MBP 16'.


I am so disappointed about the software quality of Apple since I never had such a serious issue with a Windows 10-based device. Considering the premium prices that customer do pay for Apple Notebooks I really expected much much more than being left alone with an unusable device.

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MacBook Pro 16 2019 10.15.4 Kernel Panic / Reboot When Plugged In -- Help!

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