Macbook Sleep Wake failure in EFI (Failure code:: 0xffffffff 0x0000001f)

I have two macbook's, one model end 2018 and one model begin 2019.

They both suffer from the same problem with a fresh installation (also reset NVRAM, PRAM, SMC).


The crash reason: Sleep Wake failure in EFI

Failure code:: 0xffffffff 0x0000001f


I already contacted Senior Support for this and have a running case for both.


If you run into the same problem, please let me know here.

To trace down the problem more info of different devices can be useful.


If I get feedback that solves it, I'll post it here.



MacBook Pro 15”, macOS 10.15

Posted on Nov 18, 2019 1:33 AM

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Posted on Apr 19, 2020 8:00 AM

I had the same problem, and finally found a very odd solution. In my case, after a lot of frustrating work, I traced the problem to an old USB hub I was using on my new mac. Once I disconnected the old USB hub, the problem immediately stopped. In my case, it was surprising and very lucky to discover that the problem seemed to be associated with an attached electronic component. Hope this helps you.

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241 replies

Feb 13, 2021 4:05 AM in response to PicklePunk

I again tried a fresh install of Big Sur to no avail.

My MacBook still black screens.

It did this as I was updating my user profile picture. When I pressed the power button again and logged in, it was still on the screen waiting for me to update my photo.

I don’t believe it is an hardware issue. I believe it’s a bug, but until it’s identified, it will always be around!

Mar 11, 2021 10:50 PM in response to OMGKevbo

When I spoke to Apple I was advised to take it in for them to look at. Obviously they’re not open at present. I just hope they honour the warranty as that’s now passed but due to multiple lockdowns, it was never going to get looked at.

Right now I’m sitting on a £1500 portable paperweight because it can’t be taken anywhere without a mains supply 🤬

Cannot understand why Apple haven’t addressed this!

Mar 16, 2021 1:18 AM in response to Sergani

They liaised with their engineers but couldn’t find a solution so was advised to take it in for repair. But looking at other response, the logic board was replaced which briefly fixed it, but some have developed the same issue. Due to lockdown I’ve not been able to take it in store for repair and now my warranty has expired. I’m hoping I can claim under the UK consumer laws

Mar 31, 2021 11:33 AM in response to mariusvw

I have the same problem, almost a week back my iMac was unable to boot, with the wheel spinning continuousely after i type my user password, i did a full folrmat of the harddisk and installed a fresh copy.\


it worked fine for over a week, since 2 days bacj it styarted ubruptly shutting down without any warning, just blink and its off


when it reboots i get the below error log


Sleep Wake failure in EFI


Failure code:: 0x00000000 0x0000001f


Please IGNORE the below stackshot


================================================================

Date/Time:     2021-03-31 12:04:59.953 +0300

OS Version:     ??? ??? (Build ???)

Architecture:    x86_64

Report Version:   32


Data Source:    Stackshots

Shared Cache:    52762DF1-0E55-3F8B-9588-8169E6D0EB95 slid base address 0x7fff20236000, slide 0x236000


Event:       Sleep Wake Failure

Duration:      0.00s

Steps:       1


Time Awake Since Boot: 27s




Process:      swd [320]

Architecture:    x86_64

Footprint:     400 KB

Time Since Fork:  4s

Num samples:    1 (1)


  Thread 0x899   1 sample (1)   priority 4 (base 4)

  <thread QoS background (requested background), thread darwinbg, process darwinbg, IO tier 2>

  1  start + 1 (libdyld.dylib + 87585) [0x7fff20562621] 1

   1  ??? [0x108167454] 1

    1  ??? [0x1081671e8] 1

     1  __stack_snapshot_with_config + 10 (libsystem_kernel.dylib + 143386) [0x7fff2053501a] 1

      *1  ??? [0xffffff80002601f6] 1

       *1  ??? [0xffffff80009698cb] 1

        *1  ??? [0xffffff80008733c1] 1

         *1  ??? [0xffffff80002831c9] 1

          *1  ??? [0xffffff80002ba3ed] (running) 1


  Binary Images:

     0x7fff20512000 -    0x7fff20540fff  libsystem_kernel.dylib (7195.81.3) <AB413518-ECDE-3F04-A61C-278D3CF43076>  /usr/lib/system/libsystem_kernel.dylib

     0x7fff2054d000 -    0x7fff20587fff  libdyld.dylib (832.7.3)       <4641E48F-75B5-3CC7-8263-47BF79F15394>  /usr/lib/system/libdyld.dylib


appreciate your support

Jul 12, 2021 9:32 PM in response to mariusvw

Any solutions yet?


I have the same problem... I have an old desktop iMac (27-inch, Late 2012) with Catalina. It works absolutely fine except for the sleep wake prob and failure code 0xffffffff 0x0000001f


When it goes to 'sleep' for more than a few hours the screen blacks out but glows and I can hear the fan working hard... I have to use the power off/on button to restart it each time.


The fan is also working too hard during basic usage...


I can't update the OS system to anything newer as it will only accept Catalina... and i'm pretty sure this started after updating to this OS.


Feels precarious...

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Macbook Sleep Wake failure in EFI (Failure code:: 0xffffffff 0x0000001f)

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