Cannot boot MacPro7,1

[startergo]

If the security is disabled it halts at IOBCC- timeout (see panic log), if it is enabled it boots to recovery only

config-2.plist.zip

opencore-2021-02-09-175221.txt.zip

[startergo]

Link to the tests:
https://forums.macrumors.com/threads/opencore-on-mac-pro-7-1.2283835/

[vit9696]

Well, the error says it basically. macOS cannot connect to the bridge. This looks like some macOS init bug, which I have not seen happening on T2 MBP models. Not sure whether it is a configuration issue, but you can consider trying to disable AppleSecureBoot override or perhaps other overrides.

[startergo]

Why is it always booting to recovery when security is enabled? Is it for the same reason?

[vit9696]

Most likely because OpenCore is not signed by Apple, and Mac EFI cannot boot anything else.

[trus0und]

Hey @vit9696 - Thanks for looking at this (this is my MacPro7,1 I am trying to get going). Are there any specific overrides you think would be neccesary here in the config, or should OpenCore be able to boot macOS provided Secure Boot is set to 'No Security' and 'Allow booting of external media' in the firmware settings?

[vit9696]

I do not know of anything special at the very least :x

[startergo]

I do not know of anything special at the very least :x

Vit so rEFInd boots the OS. Shouldn't it be affected too?

[vit9696]

Should be the same. If OC does not, then config.plist is wrong.

[startergo]

Should be the same. If OC does not, then config.plist is wrong.

It works now. Set these to False:

<key>DisableIoMapper</key>
			<false/>
<key>EnableJumpstart</key>
			<false/>

Most probably is DisableIoMapper. What do you think?

[vit9696]

Huh? What do I think should you disable? I do not have a crystal ball here. If you want my opinion, activating DisableIoMapper is absolutely bizarre, why turn off the IOMMU if your system works fine with it enabled? It strongly enhances security. As for JumpStart, I don't know, T2-based Macs always have latest APFS driver bundled in them, not sure there is a big reason to use a JumpStart-based solution.

[startergo]

I was just trying to understand what prevented the Mac from booting. Never mind apparently both settings are not appropriate for MP7,1