I have been battling the same issue now for several days and cant get past it.
The build is as follows:
Intel® Core™ i9-9900K 3.60GHz GIGABYTE Z390 AORUS PRO WIFI 4 X 16GB DDR4-2666 Seagate 1TB 2.5in SATA3 BarraCuda SSD Onboard Graphics for now (I have a AMD Radeon® RX 580 8GB on its way in a week.)
I have tried the full guide to the letter at: https://dortania.github.io/OpenCore-Desktop-Guide/config.plist/coffee-lake.html
It always fails at this point according to the log file: [EB|#LOG:EXITBS:START] 2020-06-10T05:13:19
Which according to the guide is any of the following at : https://dortania.github.io/OpenCore-Desktop-Guide/troubleshooting/troubleshooting.html#stuck-on-eblogexitbsstart
ProvideConsoleGop is likely missing as this is needed for transitioning to the next screen, this was originally part of AptioMemoryFix but is now within OpenCore as this quirk. Can be found under UEFI -> Output
Missing kernel patches(only applies for AMD CPUs, make sure they're OpenCore patches and not Clover. Clover uses MatchOS while OpenCore has MinKernel and Maxkernel)
IgnoreInvalidFlexRatio missing, this is needed for Broadwell and older. Not for AMD and Skylake or newer
AppleXcpmExtraMsrs may be required, this is generally meant for Pentiums, HEDT and other odd systems not natively supported in macOS. Do not use on AMD
SetupVirtualMap may be needed depending on the firmware, generally this quirk should be avoided but most Gigabyte users and older hardware(Broadwell and older) will need this quirk to boot.
RebuildAppleMemoryMap may not be a fan of your firmware, disabling this quirk isn't recommended but may be required on some laptops and certain desktops
Another possible problem is that some users either forget or cannot disable CFG-Lock in the BIOS(specifically relating to a locked 0xE2 MSR bit for power management, obviously much safer to turn off CFG-Lock). Do note this is for Intel users only, not AMD. When this happens, there's a couple of possible fixes:
Fixing CFG Lock Enable AppleXcpmCfgLock and AppleCpuPmCfgLock, this disables PKG_CST_CNFIG_CONTROL within the XNU and AppleIntelCPUPowerManagement respectively. Not recommended long term solution as this can cause instability.
The CFG lock is not an option in the BIOS so I have set the AppleXcpmCfgLock and AppleCpuPmCfgLock to both True.
I have all the settings in the BIOS set as per the instructions.
Below are other things I have tried:
I have removed all other drives.
I have reduced the Memory to one stick of 16B.
I have tried with and without the Real MAC Address in the SMBIOS.
I have tried creating the boot media on a MacBook Pro and also on Windows.
I have tried DSDT with SSDTTime
I have tried clover and it fails as well.
I will attach the log from the opencore boot. It's the log from OpenCore built with Windows following the guide.
I will also submit a photo of the screen it always fails on.
I have built a few Hackingtoshes before, but I have never been stuck on one build this long. Any help would be greatly appreciated.
https://imgur.com/a/JnxGfkP Here’s the image of the fail point.
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