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[pre-release] macOS Big Sur

gengik84

By gengik84,
in New Releases and Updates

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Sherlocks
Sherlocks
Posted
Posted

@chris1111

hi chris did you get root access permission?

 

we use this type for permission in catalina

sudo spctl --master-disable & sudo mount -uw / & sudo killall Finder

 

but in BS, no luck. is there any idea?

 

in macrumors, jackluke said like this in recovery. 

mount -uw /
nvram boot-args="-no_compat_check"
csrutil disable
csrutil authenticated-root disable
reboot

but i don't want to enter recovery to disable csr.

chris1111
chris1111
Posted
Posted
6 minutes ago, Sherlocks said:

@chris1111

hi chris did you get root access permission?

 

we use this type for permission in catalina

sudo spctl --master-disable & sudo mount -uw / & sudo killall Finder

 

but in BS, no luck. is there any idea?

 

in macrumors, jackluke said like this in recovery. 


mount -uw /
nvram boot-args="-no_compat_check"
csrutil disable
csrutil authenticated-root disable
reboot

but i don't want to enter recovery to disable csr.

Its a bit complicated Take a look here ASentientBot

  • Like 3
chris1111
chris1111
Posted
Posted
Just now, Sherlocks said:

 

thank you for info. 

hope it will be find better way in the future

I don't think because Apple Lock this system and I think is more lock in the future release:thumbsdown_anim:

  • Like 3
htanh034
htanh034
Posted
Posted (edited)
29 minutes ago, fabiodelra said:

@htanh034EFI.zip

Boot ok for me ( you can check). for only method restore from .DMG or install VM to external SSD .

reset nvram first

 

first https://drive.google.com/file/d/1N-GDRX4Ki2ZotfQzDwi9_Xe4US1QR1Su/view?usp=sharing

Edited by htanh034
dannyboy9
dannyboy9
Posted
Posted
1 hour ago, corint1 said:

i still haven't found a solution to that SIGABRT. Can't seem to understand what is causing it

 

EDIT :
on google found this : a signal SIGABRT is a error in code

Hey, yes I did manage to solve my SIGABRT issue

justin
justin
Posted
Posted
7 hours ago, eSaF said:

I don't use the NVMefix as I have read it is not necessary with OC. My system is running very smooth everything works apart from Apple TV, it shows the trailers but not my Apple movie collection, no problem in Catalina on that score, but it is early days for Big Sur. :)

 

Apple TV + should work if you use iMacPro1,1 SMBIOS

dannyboy9
dannyboy9
Posted
Posted
3 hours ago, dannyboy9 said:

SOLUTION TO SIGABRT:

 

Before I get there, here's a little backstory. I was a clover user until big sur and really wanted to try OC, big sur came and so did the opportunity. Tried to be over smart and make a OC folder directly and paste it into EFI without resetting or deleting any past variables. It did work successfully into Big Sur BUT those variables would come to bite me when I chose to install from an external media.

 

So the solution is to keep whatever your virtualsmc and whatever kexts you already have, reboot into the pendrive and in OC menu, tap on RESET NVRAM. Tiny reboot by the system and you will see nothing into your boot menu, just opencore. Hit that and then when you come in OC menu, hit on install MacOS Beta. And doodah you are in the installer! :D

@corint1

  • Like 1
justin
justin
Posted
Posted
2 minutes ago, eSaF said:

@justin Justin - Thanks for letting me know, my problem is I have it working perfect on Catalina using an iMac model 19.1 so was loathed to change to a different model just for Big Sir. Who knows maybe I will change Mac model later at official release if I am still having a problem but thanks, appreciate the feed back.

 

If the hardware you are talking about is the same as described in your signature, then, you may want to use a mac model that does not have iGPU, e.g. iMacPro1,1 or MacPro7,1

lottenow
lottenow
Posted
Posted (edited)
1 hour ago, chris1111 said:

Its a bit complicated Take a look here ASentientBot

 
@chris1111 I have tried this method to see if my disks would show up on Disk Utility under the installer but it does not work.

 

Do you guys have any ideas why the disks are not showing up?

Edited by lottenow
justin
justin
Posted
Posted
Just now, eSaF said:

Yes that makes a lot of sense, to be honest Ive been planning to change out the CPU for quite a while now but waiting on realistic prices :) to suit my pocket and wifey's temperament :hysterical: so I might just take your advice and go about making that change.

 

Good, remember to logout your apple account before changing SMBIOS, including iCloud, App Store, iMessage, Facetime, TV+ and anything else that is related to Apple.

  • Like 2
dannyboy9
dannyboy9
Posted
Posted
9 minutes ago, Henry.M. said:

Any successful installations (only installations not vm or real mac restore method) on the z490 comet lake platform?

Yes, people have done it. The EFI is not much of a change from coffee lake. I'm planning on making a comet lake EFI myself.

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