If you've included the ExFAT driver and created the USB installer according to the guide, then maybe you could try a different USB drive. Some drives boot better than others.
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MP 1,1-5,1 Manually Configured OpenCore on the Mac Pro
- Thread starter cdf
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@Steve_Jones: Perhaps not relevant for you, but, in my experience, disk numbering may easily change across boots.
The "hash mismatch" error has also been reported on supported Macs with earlier versions of Monterey. In our case, I wonder if the issue isn't caused by playing around with SecureBootModel.
Although the current recommendation is to use the VMM flag to update to macOS 12.3 and later (option 1 under macOS in post #1), I recently updated to 12.3 and 12.3.1 using the vanilla method (option 2) after reflashing a clean BootROM. Both updates were uneventful, and I have yet to experience the "hash mismatch" error.
I upgraded without the VMM flag and SecureBootModel set to default. BootROM was flashed about 2 weeks ago.
I have this problem with Boot-screen showing only on HDMI to which the TV is plugged, but not on DVI port where my monitor is.
MacPro 5,1, OpenCore v0.7.9, Sapphire Radeon RX 480 (not flashed).
MacPro 5,1, OpenCore v0.7.9, Sapphire Radeon RX 480 (not flashed).
So I flashed my reconstructed BootROM, swapped to the backup disk I created this morning and redid the upgrade with only 1 drive, 1 monitor and my keyboard connected directly. Looks like the hash issue is gone.
The only strange part is immediately after upgrading to 12.3.1, I tried adding my iPad as a display. Previously it had never showed up as a display but after the upgrade it did. Unfortunately after adding it as a display, Finder crashed and I ended up having to force a shutdown. Right now I'm thinking that was the issue. I'll back my drive up before attempting that again.
Please note that the next release of OpenCore (0.8.0) is delayed until next Monday.
Hi everyone, I have a dual CPU cMP5,1 with Martin's OC 0.7.9 installed, currently dual booting Monterey 12.2.1 + W10 and no problems so far since starting using it with OC 0.7.6.
So I have been trying to use and install some Linux distros for testing for myself and I am unable to install due to errors during live booting from USB drive. I usually am competent enough and can fix the issues when it comes to MacOS or Windows myself with all the info here and elsewhere, but since Linux is quite new to me, I am lost as to where to start to solve this.
Any input would be greatly appreciated!
Some info:
I have updated my OC EFI with the required OpenLinuxBoot.efi and ext4_x64.efi in drivers folder and enabled in config.plist in drivers section. Also, I have checked RequestBootVarRouting and LauncherOption are enabled.
I have tried Ubuntu, Mint and Manjaro and I haven't been able to start or install neither of them.
This is the screens in order I get when trying to live boot Ubuntu:
1.
2.
3.
This is the screen I get when trying to live boot Mint:
So I have been trying to use and install some Linux distros for testing for myself and I am unable to install due to errors during live booting from USB drive. I usually am competent enough and can fix the issues when it comes to MacOS or Windows myself with all the info here and elsewhere, but since Linux is quite new to me, I am lost as to where to start to solve this.
Any input would be greatly appreciated!
Some info:
I have updated my OC EFI with the required OpenLinuxBoot.efi and ext4_x64.efi in drivers folder and enabled in config.plist in drivers section. Also, I have checked RequestBootVarRouting and LauncherOption are enabled.
I have tried Ubuntu, Mint and Manjaro and I haven't been able to start or install neither of them.
This is the screens in order I get when trying to live boot Ubuntu:
1.
2.
3.
This is the screen I get when trying to live boot Mint:
TECK
macrumors 65816
@cdf do we still need the ASPP-Override kext with OC 0.8.0? @Macschrauber do you mind doing a quick test without it? Much appreciated.
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OC 0.8.0 has been delayed until next week. As far as I know, ASPP-Override is still required. As an alternative, it may be possible to use OC kext blocking instead, although the functionality has been underwhelming from the start (that's why we still need AppleMCEReporterDisabler for dual socket machines).
Macschrauber
macrumors 68040
Why I am involved with testing 0.8.0? I don't have it available, yet.
I am just an open core user, I guess you are in OpenCore much more than me.
Will do it when available and of course, by request, I can run a test without it, but there are others out there what can do this also.
Guess this is the reason: If my open test rig will get a nvram / firmware brick by overrun with compressed kernel panic dumps in the nvram volume I don't even need to take the logic board out to desolder the spi flash.
Maybe that's why pinging me.
btw: this is a 4.1 Board with still the original flash chip in, I did all my test runs with it and I flashed it a hundred times or more. Just want to know how far I can go with it before I need to replace the chip.
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TECK
macrumors 65816
Yes, I remember you have a very flexible testing setup. I can build very easy the 0.8.0 package if you want to test it, but you can do it also in 2 minutes, as I posted publicly the instructions. Check the master branch build details, running this command will build the 0.8.0 binaries:
Code:
IGNORE_MTOC_VERSION=1 sh build_oc.tool
alphascorp
macrumors 6502
Hi all,
If I followed everything correctly, in order to avoid NVRAM corruption during Monterey installation it would be better to start OC (or OCLP) with VMM flag enabled.
So is it correct if,
1. I boot with OC (or OCLP) from the EFI of the USB stick (on which config.plist is modified to enable VMM flag),
2. I install Monterey normally
3. When Monterey is installed and booted, I remove the USB stick
4. For all other boots, I boot with OC (or OCLP) on the EFI from my Nvme SSD (on which config.plist is modified to disable VMM flag)
If I followed everything correctly, in order to avoid NVRAM corruption during Monterey installation it would be better to start OC (or OCLP) with VMM flag enabled.
So is it correct if,
1. I boot with OC (or OCLP) from the EFI of the USB stick (on which config.plist is modified to enable VMM flag),
2. I install Monterey normally
3. When Monterey is installed and booted, I remove the USB stick
4. For all other boots, I boot with OC (or OCLP) on the EFI from my Nvme SSD (on which config.plist is modified to disable VMM flag)
Some comments: When using VMM, make sure to have SecureBootModel=Disabled. Also, unless your graphics card gives you the native boot picker or you're using RefindPlus, switching between two instances of OC (rather than two configs) can be tricky (not to mention that proper blessing of OC is crucial for a successful macOS installation). Moreover, if you're concerned about NVRAM corruption, you should verify the health of your firmware chip (follow @tsialex's procedure or use @Macschrauber's tool). And just to be sure, you can also flash a clean BootROM before and after installing macOS.
alphascorp
macrumors 6502
hwojtek
macrumors 68020
VSS stores are a format for data storage in UEFI. More info in a bootROM thread ya'll should've posted instead of polluting this one.
Hello there, this is my first post here, I have followed the Facebook Group for Mac Pro and OpenCore for a while but so far never jumped to install OpenCore. Until now.
I want OpenCore and the latest supported operating system on my Mac Pro. It is a 4.1 flashed to 5.1 running Mojave in the latest version on a 580 8GB and I would like to update it.
I have read a comprehensive guide on the web which made it seem to be rather easy and some problems here on the last pages.
Can anybody of you who recently made something similar please point me in the right direction as to what to do how and when or which guide to follow? Especially will I lose my data? I am familiar with SIP and how to disable it, I have a backup graphics card which has an Apple boot rom and will show anything from the get go. Would be very nice 🙂 .
I want OpenCore and the latest supported operating system on my Mac Pro. It is a 4.1 flashed to 5.1 running Mojave in the latest version on a 580 8GB and I would like to update it.
I have read a comprehensive guide on the web which made it seem to be rather easy and some problems here on the last pages.
Can anybody of you who recently made something similar please point me in the right direction as to what to do how and when or which guide to follow? Especially will I lose my data? I am familiar with SIP and how to disable it, I have a backup graphics card which has an Apple boot rom and will show anything from the get go. Would be very nice 🙂 .
Hi,
I am running the latest 0.4.3 opencore version with BigSur 11.2.3 on my MacPro 5.1 as of today.
I just had a dead GPU, GTX770, that was working great and had a friend selling me his XFX RX570 4GB for cheap so couldn't resist.
However I've just realized it might be the worth brand to get for macOS use as I've read.
I am getting a pinkish display + the resolution goes to 1600x900 whereas my monitor supports 5k resolution.
Is there any chance I can get it to work normally from your experience or I am good to resell it and buy another GPU?
I already tried the EDID override patch for the color but I wish to get a decent resolution back.
PS: the Bios was already changed to AMD Radeon RX570 4GB as the original bios was giving me no pictures on the DP and HDMI output.
Thanks!
I am running the latest 0.4.3 opencore version with BigSur 11.2.3 on my MacPro 5.1 as of today.
I just had a dead GPU, GTX770, that was working great and had a friend selling me his XFX RX570 4GB for cheap so couldn't resist.
However I've just realized it might be the worth brand to get for macOS use as I've read.
I am getting a pinkish display + the resolution goes to 1600x900 whereas my monitor supports 5k resolution.
Is there any chance I can get it to work normally from your experience or I am good to resell it and buy another GPU?
I already tried the EDID override patch for the color but I wish to get a decent resolution back.
PS: the Bios was already changed to AMD Radeon RX570 4GB as the original bios was giving me no pictures on the DP and HDMI output.
Thanks!
NC12
macrumors regular
You are right. I am using Opencore Legacy version 0.4.3 which is based on Opencore 0.7.8
NC12
macrumors regular
This thread is NOT devoted to OCLP. I suggest that you seek advice in the relevant thread.
paalb
macrumors 6502
Follow this Guide. Do everything it describes. You do not disable SIP if you follow this guide. When you boot into Recovery, SIP is always disabled.
If you get in any trouble, you have a way to roll back to Mojave and ask here for help. To get relevant help, it is important to tell every detail about your hardware. Best place for this is in your signature.