Hey!
I have the same problem with my 2018 Retina 13" MacBook Air.
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Sleep Wake failure in EFI
Failure code:: 0xffffffff 0x0000001f
Please IGNORE the below stackshot
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Date/Time: 2020-09-26 10:04:28 +0200
OS Version: ??? ??? (Build ???)
Architecture: x86_64
Report Version: 29
Data Source: Stackshots
Shared Cache: 0xb827000 B0C287FC-63E1-3A49-8501-5AD0CF04C199
Event: Sleep Wake Failure
Duration: 0.00s
Steps: 1
Boot args: chunklist-security-epoch=0 -chunklist-no-rev2-dev
Time Awake Since Boot: 48s
Process: swd [317]
Architecture: x86_64
Footprint: 404 KB
Start time: 2020-09-26 10:04:28 +0200
End time: 2020-09-26 10:04:28 +0200
Num samples: 1 (1)
Thread 0x92b 1 sample (1) priority 4 (base 4)
<thread QoS background (requested background), thread darwinbg, process darwinbg, IO tier 2>
1 start + 1 (libdyld.dylib + 109769) [0x7fff729e0cc9] 1
1 ??? [0x104bee454] 1
1 ??? [0x104bee1dd] 1
1 __stack_snapshot_with_config + 10 (libsystem_kernel.dylib + 135862) [0x7fff72b422b6] 1
*1 ??? [0xffffff80002c1206] 1
*1 ??? [0xffffff8000984c37] 1
*1 ??? [0xffffff800089d7c1] 1
*1 ??? [0xffffff80002e49e7] (running) 1
Binary Images:
0x7fff729c6000 - 0x7fff729fcfff libdyld.dylib (750.6) <789A18C2-8AC7-3C88-813D-CD674376585D> /usr/lib/system/libdyld.dylib
0x7fff72b21000 - 0x7fff72b4dfff libsystem_kernel.dylib (6153.141.1) <2B6311E6-6240-3EF7-8C87-475B66F7452C> /usr/lib/system/libsystem_kernel.dylib
System Profile:
Network Service: Wi-Fi, AirPort, en0
bridge_os_version: Bridge OS 4.6 (17P6610)
Boot Volume File System Type: apfs
bridge_model: iBridge2,8
Memory Module: BANK 0/DIMM0, 4 GB, LPDDR3, 2133 MHz, 0x802C, 0x4D5435324C3531324D3634443450512D3039
Memory Module: BANK 1/DIMM0, 4 GB, LPDDR3, 2133 MHz, 0x802C, 0x4D5435324C3531324D3634443450512D3039
USB Device: USB 3.0 Bus
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., 47.4
Model: MacBookAir8,1, BootROM 1037.147.4.0.0 (iBridge: 17.16.16610.0.0,0), 2 processors, Dual-Core Intel Core i5, 1,6 GHz, 8 GB, SMC
Graphics: kHW_IntelUHDGraphics617Item, Intel UHD Graphics 617, spdisplays_builtin
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x843), wl0: Feb 28 2020 15:31:19 version 9.30.357.35.32.5.42 FWID 01-9d05982a
Bluetooth: Version 7.0.6f7, 3 services, 27 devices, 1 incoming serial ports
Model: MacBookAir8,1, BootROM 1037.147.4.0.0 (iBridge: 17.16.16610.0.0,0), 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, 0x802C, 0x4D5435324C3531324D3634443450512D3039
Memory Module: BANK 1/DIMM0, 4 GB, LPDDR3, 2133 MHz, 0x802C, 0x4D5435324C3531324D3634443450512D3039
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x843), wl0: Feb 28 2020 15:31:19 version 9.30.357.35.32.5.42 FWID 01-9d05982a
Bluetooth: Version 7.0.6f7, 3 services, 27 devices, 1 incoming serial ports
Network Service: Wi-Fi, AirPort, en0
USB Device: USB 3.0 Bus
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., 47.4