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Big Sur 11.3 beta fail on Zenith II extreme


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since Big Sur 11.3 beta and later all are fail to boot with my T-Rex40 Zenith ii extreme, AMD Ryzen TR 3960x.

latest AMD_Vanilla patch applied 

OpenCore 0.6.6 and 0.6.7 both failed, 6 hours stuck on "flush" messages 

is there any solution ?

 

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since Big Sur 11.3 beta and later all are fail to boot with my T-Rex40 Zenith ii extreme, AMD Ryzen TR 3960x.

latest AMD_Vanilla patch applied 

OpenCore 0.6.6 and 0.6.7 both failed, 6 hours stuck on "flush" messages 

is there any solution?

EFI.zip

Edited by ddk
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  • ddk changed the title to Big Sur 11.3 beta fail on Zenith II extreme
  • Supervisor

do you mean you have yet installed it or you see many verbose errors?

It could be a very long process to install this beta ..many verbose errors

I see also many patches our chipset does not need ..(ie Fix Pat related ones)

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27 minutes ago, fabiosun said:

do you mean you have yet installed it or you see many verbose errors?

It could be a very long process to install this beta ..many verbose errors

I see also many patches our chipset does not need ..(ie Fix Pat related ones)

this is After installing 11.3 beta 2 update, 

and even boot from recovery environments not possible boot stuck. 

how long does it takes I waited 6 hours. 

 

screenshot after disabling fix Pat

IMG_20210221_195551.jpg

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Just now, iCanaro said:

do not use quirks xchportlimit on AMD

bug sur 11.3 beta 2 has big issues on USB regardless of this quirks

The second screenshot above is after disabling XhciPortLimit

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  • Supervisor

@ddk

try this EFi and see if you have the same problem...

or different one 

EFI.zip

sometimes some quirks could create problem..but not usb related for now...memory map related one..

let me know

first you must be sure you have installed it well

because also in real MC installation was problematic in beta 2 (d version)

 

change in this EFI only mmio part..insert yours

 

Edited by fabiosun
change in this EFI only mmio part..insert yours
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I was using MMIO from my own debug since the beginning. 

Anyway I moved MMIO to the new EFI plist that you gave me. 

result unfortunately 

Kernel panic 

 

IMG_20210222_010544.jpg

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I had to apply AMD_Vanilla patch to avoid kernel panic 

result: same issue 

I think AMD_Vanilla patch should make a new patch for Zenith II MB. 

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  • Supervisor

I do not think is a patches problem but I am not sure of this

maybe it is an EC device problem.. I have asked to our admin to take a look here when he has a bit of time..

Edited by fabiosun
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  • Supervisor

@ddk

sorry but Are you trying with rx 6900 xt only inserted?

if so it seems no support for this in latest beta ()no support at all , before in vesa it was working)

I saw also @valmeida has a similar problem with latest beta if i am not wrong at all..

i cant test because i have sold my reference 6900xt)

 

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Yes I have only gpu rx 6900 xt, I think this is the problem .

I will wait for the next supported beta then.

Thanks for your help.

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14 minutes ago, fabiosun said:

@ddk

if you are using only Big Sur you can try also to simplify your huge used patches ...

you can try this reduced set I am using for BigSur 11.2.1 and latest 11.3 beta 2

reduced patches (BS Only).plist.zip 2.22 kB · 2 downloads

Thanks but I with reduced patches Kernel Panic on both 11.2.1 and 11.3 beta 2

don't you think this is weird? 

IMG_20210222_131316.jpg

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  • Supervisor

No @ddkit is not weird

search on @Arrakis thread

maybe asus needs like his gigabyte of a patch more then this posted reduced sets

i can’t remember now which one

 

Edited by fabiosun
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20 minutes ago, fabiosun said:

reduced patches (BS Only).plist.zip 2.14 kB · 0 downloads

if you want

try to use these set of patches 🙂

 

if it works also for you..check then stability in your usual daily workflow!

the one of @Arrakis's works for me on 11.2.1 and a bit faster , I didn't test on 11.3 ignoring for now.

I will test the one you sent me and let you know how it goes.

reduced-config.zip

Edited by ddk
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  • Supervisor

with latest 11.3 beta you have to use an updated one you can find in my creduced set 🙂

with Arrakis we did time ago this discovery..MSI motherboard does not need of topology cpu patch..Gigabyte..and now ASUS yes

I do not know why 🙂

 

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Tomorrow I will receive "Sonnet eGPU Breakaway Puck Radeon RX 5700" 

Is there any special setup in opencore except for bootArguments agdpmod=pikera and disabling Internal GPU RX 6900 XT ?

Is the EGPU may solve my booting problem on 11.3 beta ?

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  • Supervisor

If I am not wrong it is a thunderbolt external GPU case...

if you have a well configured thunderbolt rig...it could work easily!

 

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Weird, Im getting message Thunderbolt accessories are not supported on this Mac 

I changed the bios from iMacPro to iMAC 19 same message 

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