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X299 Big Sur Support

CaseySJ

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Hello,
something is known about big navi support (6800XT - 6900 XT) in 11.3 beta 6?
Unfortunately there does not appear to be any change to the AMDRadeonX6000 family of drivers. We still see the RX 6800 XT device ID (0x73BF) in AMDRadeonX6000Framebuffer.kext, but that's been there for quite a while. No mention of this device ID anywhere else.
 
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please try the script created by @joevt in the post below
Hello Casey,

I ran the .sh file from the joevt post, here was the screen output:
>>>$ sudo '/home/me/Desktop/dumpTb3/dumpthunderboltinfo.sh'
find: ‘/sys/bus/thunderbolt/devices/[0-9]*’: No such file or directory
find: ‘/sys/kernel/debug/thunderbolt/[0-9]*/’: No such file or directory
cat: '/sys/bus/thunderbolt/devices/[0-9]*/nvm_active*/nvmem': No such file or directory
[0-9]*

Please let me know if this is helpful or I feel something is missing.

Regards,
 

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  • Tb3-dump.zip
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CaseySJ

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Hello Casey,

I ran the .sh file from the joevt post, here was the screen output:
>>>$ sudo '/home/me/Desktop/dumpTb3/dumpthunderboltinfo.sh'
find: ‘/sys/bus/thunderbolt/devices/[0-9]*’: No such file or directory
find: ‘/sys/kernel/debug/thunderbolt/[0-9]*/’: No such file or directory
cat: '/sys/bus/thunderbolt/devices/[0-9]*/nvm_active*/nvmem': No such file or directory
[0-9]*

Please let me know if this is helpful or I feel something is missing.

Regards,
Interesting.
  • What version of Ubuntu are you running? uname -r
  • Is there is a /sys/bus/thunderbolt directory?
  • If so, is there a /sys/bus/thunderbolt/devices directory as well?
 
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  • What version of Ubuntu are you running? uname -r
Ubuntu:~$ uname -r
5.11.11-051111-generic
  • Is there is a /sys/bus/thunderbolt directory?

  • If so, is there a /sys/bus/thunderbolt/devices directory as well?
Screenshot from 2021-04-02 19-21-58.png


Hopefully this helps Casey,

Just out of curiosity, what does SJ stand for? San Jose, California by any chance? ;)
I apologize in advance if the answer to the above question is none-of-my-business :)
 
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Guys, please help, I managed to screw up my system just by rebooting into Ubuntu once to check some settings. I don't really know much about dual boot, and installing Ubuntu in parallel to my already working Mac worked well, multiple reboots, various updates to Ubuntu, always stayed on the background, and whenever I needed, I just use F12->Ubuntu(dedicated SSD drive) just for that.
Right now what happened is that after I reboot, I go with default boot options which is suppose to be my Mac, press ENTER, and, to my surprise dive directly into Ubuntu. I thought I've made a mistake, tried again, same thing.
I disconnected my Ubuntu SSD completely, the Ubuntu option to boot is still there, next to my Mac's drive option. I select Mac, and my computer goes into reboot mode automatically.

I booted with my rescue USB now, look at the content of EFI on my Mac, and there's ubuntu subfolder right next to OC and Boot. What a hack is it doing on my Mac drive? What changed it, because until last reboot, it wasn't there.

In any case, I can't boot without my rescue USB, and some of the parameters are outdated on it.

Please help, what's going on here.
 
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1617419260990.png

So, this is what appeared on my EFI after my last boot into Ubuntu.
I did delete ubuntu from my EFI, and the other 2 files from the BOOT.

Trying to boot, my system displays this error message:
Failed to open \EFI\BOOT\grubx64.efi - Not Found
Failed to load image \EFI\BOOT\grubx64.efi - Not Found
start_image() returned Not Found

(of course the files is not there, it was never supposed to be there, and I deleted it!)

Please help!!!
 
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Ok, I wiped out my EFI, copied the entire content of same from rescue USB, and updated a few parameters to match what I had before, seemed to be working again.
 
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@djlild7hina

Hi dear,

one question: the Radeon Pro W5700 is natively supported in macOS Big Sur?
Thanks!
 
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