Sleep Wake failure in EFI Failure code:: 0xffffffff 0x0000001f Please IGNORE the below stackshot ================================================================ Date/Time: 2019-11-16 12:19:29 +0100 OS Version: ??? ??? (Build ???) Architecture: x86_64 Report Version: 29 Data Source: Stackshots Shared Cache: 0x2904000 194F5C3E-D787-3CE2-9D85-48304197A851 Event: Sleep Wake Failure Duration: 0.00s Steps: 1 Boot args: -v debug=0x103 cwae=2 Time Awake Since Boot: 24s Process: swd [351] Architecture: x86_64 Footprint: 468 KB Start time: 2019-11-16 12:19:29 +0100 End time: 2019-11-16 12:19:29 +0100 Num samples: 1 (1) Thread 0xad7 1 sample (1) priority 4 (base 4) 1 start + 1 (libdyld.dylib + 70373) [0x7fff658f82e5] 1 1 ??? [0x109466454] 1 1 ??? [0x1094661dd] 1 1 __stack_snapshot_with_config + 10 (libsystem_kernel.dylib + 135938) [0x7fff65a61302] 1 *1 ??? [0xffffff80002e1206] 1 *1 ??? [0xffffff800099a1aa] 1 *1 ??? [0xffffff80008b3211] 1 *1 ??? [0xffffff8000304387] (running) 1 Binary Images: 0x7fff658e7000 - 0x7fff6591cfff libdyld.dylib (733.6) <2FA4B359-624B-337C-9207-CDCF841C2E52> /usr/lib/system/libdyld.dylib 0x7fff65a40000 - 0x7fff65a6cfff libsystem_kernel.dylib (6153.41.3) <18918E9C-45BC-3D5A-A6B6-3DBC60EEE2E1> /usr/lib/system/libsystem_kernel.dylib Model: MacBookPro15,1, BootROM 1037.40.124.0.0 (iBridge: 17.16.11081.0.0,0), 8 processors, 8-Core Intel Core i9, 2,4 GHz, 32 GB, SMC Graphics: kHW_IntelUHDGraphics630Item, Intel UHD Graphics 630, spdisplays_builtin Graphics: kHW_AMDRadeonPro560XItem, Radeon Pro 560X, spdisplays_pcie_device, 4 GB Memory Module: BANK 0/ChannelA-DIMM0, 16 GB, DDR4, 2400 MHz, SK Hynix, - Memory Module: BANK 2/ChannelB-DIMM0, 16 GB, DDR4, 2400 MHz, SK Hynix, - AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x7BF), wl0: Oct 19 2019 15:33:10 version 9.113.2.0.32.5.39 FWID 01-5eb3e1fa Bluetooth: Version 7.0.1f1, 3 services, 27 devices, 1 incoming serial ports Network Service: Wi-Fi, AirPort, en0 USB Device: USB 3.1 Bus USB Device: Apple T2 Bus USB Device: Touch Bar Backlight USB Device: Touch Bar Display 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 Pro, Apple Inc., 47.3 Thunderbolt Bus: MacBook Pro, Apple Inc., 47.3