I have this problem unsolved for so much time. The update rarely works, I tried everything!
Now, for me, the solution seems to remove the file EmuVariableUefi-64.efi before upgrade. Than reboot, upgrade and replace the file EmuVariableUefi-64.efi.
I don't know what is this file. Is it for nvram...
Oh my God...it's true!!!
I transfer some kext from /library/extensions to EFI.....
Thank you very much for your Help! Now, with your modify to config.plist i don't have the osinstall.mkext error.
Can someone help me please?
I am going crazy with "osinstall.mpkg missing or damaged" problem! since the first installation of high sierra.
I'm on imac 18,3 and I did these tests:
Disable second hard drive sata
Upgrade various clover
For enable CUDA driver i made this change https://www.tonymacx86.com/threads/nvidia-releases-alternate-graphics-drivers-for-macos-sierra-10-12-1-367-15-10-15.205568/page-2#post-1357600
in my case i am with this first 10.13 web driver and cuda 9
rename: libcuda_378.05.05.25_mercury.dylib in...
I have an Apple Cinema Display 24" with DisplayPort adapter. (It works native: cam, mic, audio, rear USB.)
If I boot with primary boot device on AUTO in BIOS (Monitor connect to DisplayPort of motherboard), my system doesn't boot (I don't see any image on display).
If I set primary display...