Reallllyyy slow root.img extraction on M1 Pro Macbook Pro 16

[albinkc]

Getting speed on disk of ~2.2 MB/s at the Extracting root.img step.
1TB SSD recently DFU reset so it's mostly empty.
Been stuck here for almost half an hour now

albin@Albins-MacBook-Pro:~/ > curl https://alx.sh | sh              
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  2289  100  2289    0     0   3357      0 --:--:-- --:--:-- --:--:--  3356

Bootstrapping installer:
  Checking version...
  Version: v0.7.7
  Downloading...
  Extracting...
  Initializing...

The installer needs to run as root.
Please enter your sudo password if prompted.

Welcome to the Asahi Linux installer!

This installer will guide you through the process of setting up
Asahi Linux on your Mac.

Please make sure you are familiar with our documentation at:
  https://alx.sh/w

Press enter to continue.


Collecting system information...
  Product name: MacBook Pro (16-inch, 2021)
  SoC: Apple M1 Pro
  Device class: j316sap
  Product type: MacBookPro18,1
  Board ID: 0xa
  Chip ID: 0x6000
  System firmware: iBoot-11881.61.3
  Boot UUID: 43BE4F16-34D4-4D30-92BF-7D2D28B7EAED
  Boot VGID: 43BE4F16-34D4-4D30-92BF-7D2D28B7EAED
  Default boot VGID: 43BE4F16-34D4-4D30-92BF-7D2D28B7EAED
  Boot mode: macOS
  OS version: 15.2 (24C101)
  OS restore version: 24.3.101.0.0,0
  Main firmware version: 15.2 (24C101)
  No Fallback System Firmware / rOS
  SFR version: 24.3.101.0.0,0
  SystemRecovery version: 24.3.101.0.0,0 (15.2 24C101)
  Login user: albin

Collecting partition information...
  System disk: disk0

Collecting OS information...

Partitions in system disk (disk0):
  1: APFS [Macintosh HD] (400.00 GB, 7 volumes)
    OS: [B*] [Macintosh HD] macOS v15.2 [disk4s1s1, 43BE4F16-34D4-4D30-92BF-7D2D28B7EAED]
  2: (free space: 594.66 GB)
  3: APFS (System Recovery) (5.37 GB, 2 volumes)
    OS: [  ] recoveryOS v15.2 [Primary recoveryOS]

  [B ] = Booted OS, [R ] = Booted recovery, [? ] = Unknown
  [ *] = Default boot volume

Using OS 'Macintosh HD' (disk4s1s1) for machine authentication.

Choose what to do:
  f: Install an OS into free space
  r: Resize an existing partition to make space for a new OS
  q: Quit without doing anything
» Action (f): f

Choose an OS to install:
  1: Fedora Asahi Remix 41 with KDE Plasma
  2: Fedora Asahi Remix 41 with GNOME
  3: Fedora Asahi Remix 41 Server
  4: Fedora Asahi Remix 41 Minimal
  5: UEFI environment only (m1n1 + U-Boot + ESP)
» OS: 1

Downloading OS package info...
- 

Minimum required space for this OS: 43.87 GB

Available free space: 594.66 GB

How much space should be allocated to the new OS?
  You can enter a size such as '1GB', a fraction such as '50%',
  the word 'min' for the smallest allowable size, or
  the word 'max' to use all available space.
» New OS size (max): 512GB

The new OS will be allocated 512.00 GB of space,
leaving 82.66 GB of free space.

Enter a name for your OS
» OS name (Fedora Linux with KDE Plasma): Fedora KDE  

Using macOS 13.5 for OS firmware

Downloading macOS OS package info...
- 

Creating new stub macOS named Fedora KDE
Installing stub macOS into disk0s3 (Fedora KDE)
Preparing target volumes...
Checking volumes...
Beginning stub OS install...
| 
Setting up System volume...
  100.00% (0.00 B/s)
Setting up Data volume...
Setting up Preboot volume...
\ 100.00% (0.00 B/s)))
Setting up Recovery volume...
/ 100.00% (10.42 MB/s)
Wrapping up...

Stub OS installation complete.

Adding partition EFI (524.29 MB)...
  Formatting as FAT...
Adding partition Boot (1.07 GB)...
Adding partition Root (507.90 GB)...
Collecting firmware...
  100.00% Installing OS...
\ 100.00% (0.00 B/s)
  Copying from esp into disk0s4 partition...
| 100.00% (0.00 B/s)
  Copying firmware into disk0s4 partition...
  Extracting boot.img into disk0s5 partition...
\ 100.00% (4.40 MB/s)
  Extracting root.img into disk0s6 partition...
\  31.38% (2.28 MB/s)