iMac shuts down - Sleep Wake failure in EFI
My iMac shuts down almost daily. After the auto restart, I see an error report with the message below. Any ideas on how to resolve?
Thanks,
Jerry
Sleep Wake failure in EFI
Failure code:: 0x00000000 0x0000001f
Please IGNORE the below stackshot
================================================================
Date/Time: 2021-04-22 14:08:58.178 -0400
OS Version: ??? ??? (Build ???)
Architecture: x86_64
Report Version: 32
Data Source: Stackshots
Shared Cache: 52762DF1-0E55-3F8B-9588-8169E6D0EB95 slid base address 0x7fff2000d000, slide 0xd000
Event: Sleep Wake Failure
Duration: 0.00s
Steps: 1
Time Awake Since Boot: 29s
Process: swd [290]
Architecture: x86_64
Footprint: 348 KB
Time Since Fork: 6s
Num samples: 1 (1)
Thread 0x79b 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) [0x7fff20339621] 1
1 ??? [0x102a46454] 1
1 ??? [0x102a461e8] 1
1 __stack_snapshot_with_config + 10 (libsystem_kernel.dylib + 143386) [0x7fff2030c01a] 1
*1 ??? [0xffffff80002601f6] 1
*1 ??? [0xffffff80009698cb] 1
*1 ??? [0xffffff80008733c1] 1
*1 ??? [0xffffff80002831c9] 1
*1 ??? [0xffffff80002ba3ed] (running) 1
Binary Images:
0x7fff202e9000 - 0x7fff20317fff libsystem_kernel.dylib (7195.81.3) <AB413518-ECDE-3F04-A61C-278D3CF43076> /usr/lib/system/libsystem_kernel.dylib
0x7fff20324000 - 0x7fff2035efff libdyld.dylib (832.7.3) <4641E48F-75B5-3CC7-8263-47BF79F15394> /usr/lib/system/libdyld.dylib
Model: iMac19,1, BootROM 1554.80.3.0.0, 6 processors, 6-Core Intel Core i5, 3.7 GHz, 8 GB, SMC 2.46f12
Graphics: kHW_AMDRadeonPro580XItem, Radeon Pro 580X, spdisplays_pcie_device, 8 GB
Memory Module: BANK 0/ChannelA-DIMM0, 4 GB, DDR4, 2667 MHz, SK Hynix, HMA851S6CJR6N-VK
Memory Module: BANK 2/ChannelB-DIMM0, 4 GB, DDR4, 2667 MHz, SK Hynix, HMA851S6CJR6N-VK
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x7BF), wl0: Sep 11 2020 16:57:49 version 9.30.440.2.32.5.61 FWID 01-129bddb
Bluetooth: Version 8.0.3d9, 3 services, 27 devices, 1 incoming serial ports
Network Service: Built-in Ethernet, Ethernet, en0
Network Service: AirPort, AirPort, en1
Serial ATA Device: APPLE HDD ST2000DM001, 2 TB
USB Device: USB 3.1 Bus
USB Device: FaceTime HD Camera (Built-in)
Thunderbolt Bus: iMac, Apple Inc., 47.4
