十分奇怪的问题，双显卡机型在BIOS关闭独显后，唤醒就死机，Sleep Wake failure in EF
机型是小新Air14 IKBR，带有MX150独显。联想的独显是可以在BIOS中关闭的。之前开启独显并用ssdt屏蔽时十分完美，睡眠10小时没有任何问题。现在切换到集显后，可以睡眠，但唤醒就死机。
而且唤醒时机器的表现和开启独显时不同。机器更加类似于开机时的表现，即风扇加速到最高转速然后停止。怀疑是机器错误地收到了开机的信号？
用Clover和OC都尝试过了，症状一致。
在日志中查询failure，得到如下结果：
Failure during sleep: 0xFFFFFFFF0000001F : EFI/Bootrom Failure after last point of entry to sleep
尝试了网上（包括Google）各种办法均无效，还是死机。有谁遇到过类似的问题吗？
错误日志如下：
Sleep Wake failure in EFI
Failure code:: 0xffffffff 0x0000001f
Please IGNORE the below stackshot
================================================================
Date/Time: 2020-02-09 20:05:54 +0800
OS Version: ??? ??? (Build ???)
Architecture: x86_64
Report Version: 29
Data Source: Stackshots
Shared Cache: 0x6585000 45190A69-A48C-364E-B9EF-8AEDC5CA9E72
Event: Sleep Wake Failure
Duration: 0.00s
Steps: 1
Boot args: brcmfx-country=#a
Time Awake Since Boot: 13s
Process: swd
Architecture: x86_64
Footprint: 452 KB
Start time: 2020-02-09 20:05:54 +0800
End time: 2020-02-09 20:05:54 +0800
Num samples: 1 (1)
Thread 0x756 1 sample (1) priority 4 (base 4)
<thread QoS background (requested background), thread darwinbg, process darwinbg, IO tier 2>
1start + 1 (libdyld.dylib + 108541) 1
1??? 1
1??? 1
1__stack_snapshot_with_config + 10 (libsystem_kernel.dylib + 136138) 1
*1??? 1
*1??? 1
*1??? 1
*1??? (running) 1
Binary Images:
0x7fff69637000 - 0x7fff6966cffflibdyld.dylib (733.8) <8B0DFE8A-42CF-32C8-B121-83C22BF25F69>/usr/lib/system/libdyld.dylib
0x7fff69791000 - 0x7fff697bdffflibsystem_kernel.dylib (6153.81.5) <23909F45-79C3-34C9-A28F-337915925E5E>/usr/lib/system/libsystem_kernel.dylib
Model: MacBookPro15,2, BootROM 1037.80.53.0.0, 4 processors, Quad-Core Intel Core i7, 2 GHz, 8 GB, SMC 1.74f4
Graphics: Intel UHD Graphics 620, Intel UHD Graphics 620, spdisplays_builtin
Memory Module: BANK 0/ChannelA-DIMM0, 8 GB, DDR4, 2400 MHz, Samsung, M471A1K43CB1-CTD
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x23), Broadcom BCM43xx 1.0 (7.77.106.3 AirPortDriverBrcmNIC-1440.1)
Bluetooth: Version 7.0.3f5, 3 services, 18 devices, 1 incoming serial ports
Network Service: Wi-Fi, AirPort, en0
PCI Card: Intel UHD Graphics 620, VGA compatible controller, Internal@0,2,0
USB Device: USB 3.0 Bus
USB Device: Integrated Camera
USB Device: BCM2045A0
USB Device: Vendor-Specific Device
Thunderbolt Bus: 顶d顶d顶d顶d顶d顶d EFI分享出来 ，不然怎样帮你判断问题 我和你一模一样 你解决了吗 和你一样，一睡眠就无法唤醒，楼主解决了吗？
附上OC的config.list 日志上关于你网卡的内容挺多的，去掉网卡试试。我觉得有个可能是，系统唤醒前会检查系统完整性，检查独显，所以会唤醒死机。ssdt屏蔽独显会使电脑忽略掉。 楼主，遇到和你一样的问题了。请问一下，怎么解决呀？
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