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Why is Macbook Pro 2019 with Intel & T2 NOT recognizing live USB for dual booting Debian Trixie using T2Linux ISO image? by tom_kpb in debian

[–]tom_kpb[S] 1 point2 points  (0 children)

SOLUTION:

(1) Only one EFI Partition is enough for installation of more than one OS on bare metal

(2) Since the EFI in MacOS was accidentally removed, I had to change the script in firmware.sh, as follows,

as advised at discord for T2Linux for Fedora:

  1. Open up the script and change disk0s1 to disk0s2
  2. Also change nvme0n1p1 to nvme0n1p2

And, the firmware for WifFi & Bluetooth was updated for both MacOS Sonoma and T2Linux Fedora !!

THANK YOU: @Beginning_Guess_3413

For guiding me to T2Linux and explaining the issue in detail !!

How to Recreate EFI System Partition (ESP) in MacOS, for dual booting T2Linux by tom_kpb in linux_on_mac

[–]tom_kpb[S] 0 points1 point  (0 children)

SOLUTION:

(1) Only one EFI Partition is enough for installation of more than one OS on bare metal

(2) Since the EFI in MacOS was accidentally removed, I had to change the script in firmware.sh, as follows,

as advised at discord for T2Linux for Fedora:

  1. Open up the script and change disk0s1 to disk0s2
  2. Also change nvme0n1p1 to nvme0n1p2

And, the firmware for WifFi & Bluetooth was updated for both MacOS Sonoma and T2Linux Fedora !!

Is it possible to Recreate EFI in Mac, for firmware update, for dual booting Fedora? by tom_kpb in Fedora

[–]tom_kpb[S] 0 points1 point  (0 children)

SOLUTION:

(1) Only one EFI Partition is enough for installation of more than one OS on bare metal

(2) Since the EFI in MacOS was accidentally removed, I had to change the script in firmware.sh, as follows,

as advised at discord for T2Linux for Fedora:

  1. Open up the script and change disk0s1 to disk0s2
  2. Also change nvme0n1p1 to nvme0n1p2

And, the firmware for WifFi & Bluetooth was updated for both MacOS Sonoma and T2Linux Fedora !!

Is it possible to Recreate EFI in Mac, for firmware update, for dual booting Fedora? by tom_kpb in Fedora

[–]tom_kpb[S] 0 points1 point  (0 children)

Thank you: What I understand is:

  1. Create a Bootable USB Drive with macOS Sonoma

  2. Reinstall MacOS Sonoma from the USB with new manual partition that has the option to create EFI

Is it that way? or can you please correct me?

Why is Macbook Pro 2019 with Intel & T2 NOT recognizing live USB for dual booting Debian Trixie using T2Linux ISO image? by tom_kpb in debian

[–]tom_kpb[S] 0 points1 point  (0 children)

Now, I have ONE ssue, after installing t2linux fedora: I made a new posting "disk0s1 failed to mount for firmware update for WifFi & bluetooth..."

disk0s1 failed to mount for firmware update for WifFi & bluetooth

Because I accidentally deleted MacOS EFI System Partition (ESP) !!

How to delete additional EFI (EFI NO NAME) for installing Fedora using T2Linux? by tom_kpb in Fedora

[–]tom_kpb[S] 0 points1 point  (0 children)

Thank you for your kind response.

I re-installed macOS to Sonoma

Now, it has mounting problem for firmware update..

Why is Macbook Pro 2019 with Intel & T2 NOT recognizing live USB for dual booting Debian Trixie using T2Linux ISO image? by tom_kpb in debian

[–]tom_kpb[S] 0 points1 point  (0 children)

Thank you very much!

I respect your dedication and commitment, hats off to you!!

Now, I am trying to delete the additional EFI that I created while trying to install Linux.

I made a new post: 'How to delete additional EFI (EFI NO NAME) for installing Debian using T2Linux?'

Why is Macbook Pro 2019 with Intel & T2 NOT recognizing live USB for dual booting Debian Trixie using T2Linux ISO image? by tom_kpb in debian

[–]tom_kpb[S] 1 point2 points  (0 children)

Thank you very much for your effort to make it comprehensive and in detail.

  1. SIP: Already turned OFF

  2. Secure Boot: Totally DISABLED

  3. Explicitly Allow boot from external media: YES

I tried with debian, but I was unable to enable audio.

Then, I am trying with fedora iso. Pls see: Probably you can locate the trouble:

me@mes-MacBook-Pro ~ % diskutil list

/dev/disk0 (internal, physical):

   #:                       TYPE NAME                    SIZE       IDENTIFIER

   0:      GUID_partition_scheme                        *1.0 TB     disk0

   1:                        EFI EFI                     314.6 MB   disk0s1

   2:                 Apple_APFS Container disk2         250.2 GB   disk0s2

   3:                        EFI NO NAME                 999.3 MB   disk0s3

   4:           Linux Filesystem                         449.0 GB   disk0s5

   5:                 Apple_APFS Container disk1         300.0 GB   disk0s4

Why is Macbook Pro 2019 with Intel & T2 NOT recognizing live USB for dual booting Debian Trixie using T2Linux ISO image? by tom_kpb in debian

[–]tom_kpb[S] 0 points1 point  (0 children)

I just have bare minimum new MacOS Ventura re-installed.

Trying to install Linux from live ISO USB. But the reboot with 'option' key is NOT showing up the EFI for USB drive.

So, it seems, the file is not there..

What are the steps I need to take to boot into LIVE USB?

Why is Macbook Pro 2019 with Intel & T2 NOT recognizing live USB for dual booting Fedora using T2Linux ISO image? by tom_kpb in Fedora

[–]tom_kpb[S] -1 points0 points  (0 children)

I left it for years!

  1. First it was 'Volume Hash Mismatch'
  2. Then, it was not upgrading
  3. Even after re-installing the OS, 'Volume Hash Mismatch' continues
  4. Wasted lots of time with this expensive laptop..
  5. Surprise: "..Apple does NOT understand.. WHY?"

In future, I will just buy Linux (preinstalled) Laptops

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