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Macri007 Author

Level 1

12 points

my Mac keeps restarting I need to know how to fix it

this is my problem with the sleep mode.

Sleep Wake failure in EFI

Failure code:: 0x00000000 0x0000001f

Please IGNORE the below stackshot

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

Date/Time: 2021-10-12 09:17:22.039 -0400

OS Version: ??? ??? (Build ???)

Architecture: x86_64

Report Version: 32

Data Source: Stackshots

Shared Cache: F0A21792-ED7E-33A3-A0DD-24B063378C1E slid base address 0x7fff20107000, slide 0x107000

Event: Sleep Wake Failure

Duration: 0.00s

Steps: 1

Boot args: chunklist-security-epoch=0 -chunklist-no-rev2-dev

Time Awake Since Boot: 23s

Process: swd [317]

Architecture: x86_64

Footprint: 368 KB

Time Since Fork: 2s

Num samples: 1 (1)

Thread 0xa1c 1 sample (1) priority 4 (base 4)

1 start + 1 (libdyld.dylib + 89917) [0x7fff20430f3d] 1

1 ??? [0x106077454] 1

1 ??? [0x1060771e8] 1

1 __stack_snapshot_with_config + 10 (libsystem_kernel.dylib + 146934) [0x7fff20402df6] 1

*1 ??? [0xffffff80002321f6] 1

*1 ??? [0xffffff800093f1de] 1

*1 ??? [0xffffff80008493d1] 1

*1 ??? [0xffffff80002554ff] 1

*1 ??? [0xffffff800028c7fd] (running) 1

Binary Images:

0x7fff203df000 - 0x7fff2040efff libsystem_kernel.dylib (7195.141.6) <78289AAE-61B5-339F-A485-8819BC2388F2> /usr/lib/system/libsystem_kernel.dylib

0x7fff2041b000 - 0x7fff20456fff libdyld.dylib (852.2) <3DE0178A-0AEE-3D08-AE19-6C6403F69BA1> /usr/lib/system/libdyld.dylib

Model: MacBookAir8,2, BootROM 1554.140.20.0.0 (iBridge: 18.16.14759.0.1,0), 2 processors, Dual-Core Intel Core i5, 1.6 GHz, 8 GB, SMC

Graphics: kHW_IntelUHDGraphics617Item, Intel UHD Graphics 617, spdisplays_builtin

Memory Module: BANK 0/DIMM0, 4 GB, LPDDR3, 2133 MHz, 0x80AD, 0x483943434E4E4E435054414C42522D4E5644

Memory Module: BANK 1/DIMM0, 4 GB, LPDDR3, 2133 MHz, 0x80AD, 0x483943434E4E4E435054414C42522D4E5644

AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x843), wl0: Aug 10 2021 19:28:56 version 9.30.444.18.32.5.65 FWID 01-c82017e5

Bluetooth: Version 8.0.5d7, 3 services, 27 devices, 1 incoming serial ports

Network Service: Wi-Fi, AirPort, en0

Network Service: iPhone, Ethernet, en4

USB Device: USB 3.0 Bus

USB Device: USB 2.0 Hub

USB Device: USB 2.0 BILLBOARD

USB Device: USB2.0 Hub

USB Device: iPhone

USB Device: Apple Watch Magnetic Charging Cable

USB Device: USB3.0 Hub

USB Device: USB3.0 Card Reader

USB Device: Apple T2 Bus

USB Device: Apple Internal Keyboard / Trackpad

USB Device: Headset

USB Device: Ambient Light Sensor

USB Device: FaceTime HD Camera (Built-in)

USB Device: Apple T2 Controller

Thunderbolt Bus: MacBook Air, Apple Inc., 47.5

Posted on Oct 12, 2021 7:23 PM

Top-ranking reply

Encryptor5000

Level 5

7,580 points

Posted on Oct 12, 2021 7:54 PM

Hi Macri007,

Thanks for the detailed post.

Since your issue pertains to low-level system management on an Intel-based Mac, try resetting the System Management Controller (SMC), as described here: How to reset the SMC of your Mac - Apple Support (CA)

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my Mac keeps restarting I need to know how to fix it

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