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MacBook Pro 2017 15" kernel panic after going to sleep

Whenever my Mac goes to sleep it crashes with a kernel panic (when I press the power button I am greeted with a message along the lines of "your mac has restarted after a serious problem" or something to that extent.


After a successful boot I see the panic report which always is the same and begins with the lines:


panic(cpu 0 caller 0xffffff7f8b739fcd): "Failed to quiesce supporting devices\n"@/BuildRoot/Library/Caches/com.apple.xbs/Sources/AppleACPIPlatform/AppleACPIPlatform-281.70.3/AppleACPIPlatformPower.cpp:1970

The rest of the Panic Report can of course be supplied if required.


The Mac runs macOS High Sierra and I have tried:

  • Disk first aid
  • Reinstall macOS
  • Reset the SMC


but to no avail. Every time the Mac goes to sleep, it kernel panics.


The problems came after I installed the latest security fix from Apple on July 10: Security update 2019-004 (beta for developers) and developer preview of Safari version 13.0, seed 2.

MacBook Pro 15", macOS 10.13

Posted on Jul 14, 2019 2:07 PM

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Question marked as Top-ranking reply

Posted on Jul 19, 2019 5:50 AM

You could try booting form an external device first.

I had these constant kernel panics when sleeping on my machine ("AppleACPIPlatformPower.cpp"). First I thought it could have been an Apple Update as I had Catalina once installed on a second partition of my main SSD. So I remove the partition, did Disk First Aid, PRAM, SMC, reinstalled High Sierra in the hope that it would fix the issue. Nothing.


My next steps:

  • Startup up from a fresh High Sierra on an external USB-SSD drive -> same Kernel Panic when sleeping
  • Startup up from a fresh Mojave on an external USB-SSD drive -> same Kernel Panic when sleeping


After backing up to TimeMachine:


  • Wipe of internal SSD and fresh install of High Sierra -> same Kernel Panic when sleeping


Next: Apple Store. They said they need to replace the mainboard.

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90 replies

Jul 29, 2019 4:49 PM in response to piyush66

Same. Unfortunately I upgraded to High Sierra hoping to fixate problem, it didn't, and I ended up with a piece of software that is no longer usable in this OS. So bad on Apple all around, especially the lack of communication. Wouldn't have known about the update without this forum and it makes you wonder how many people are both gun-shy now AND not following the issue here. Bad communication followed a bad update.

Jul 31, 2019 11:52 PM in response to Fugge

Hi Guys

I had the same thing, only worse. I installed the security update and my 2013 iMac crashed during the process.

Upon reboot the screen no longer works. All I get is a black screen.

I used a lightning to AVG adaptor to plug into a Sony TV screen and was able to boot up.

I tried resetting SMC and PVram to no avail.

Took it into an Apple authorised repair after speaking to Apple Support. The result is that the screen is now officially declared dead! Apple say I must pay for a new screen!

This is madness. How can they release an update that effectively renders my iMac unusable without an external display and not take any responsibility?


Im trying to escalate this through Apple support at the moment.



MacBook Pro 2017 15" kernel panic after going to sleep

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