[Bug 1875319] Re: Raspberry Pi doesn't boot anymore after installing a 64bit kernel

[Dave Jones]

Looks like there was some historical build of arm64 u-boot that didn't
include the "unzip" command in the build. Anyway, this definitely works
at this point (or focal wouldn't boot :)

** Changed in: u-boot (Ubuntu)
       Status: New => Fix Released

** Changed in: u-boot (Ubuntu Focal)
       Status: New => Fix Released

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Title:
  Raspberry Pi doesn't boot anymore after installing a 64bit kernel

Status in u-boot package in Ubuntu:
  Fix Released
Status in u-boot source package in Focal:
  Fix Released

Bug description:
  Flashed an SD card with the daily Focal preinstalled raspi armhf image
  which boots just fine. Then added the arm64 architecture (dpkg --add-
  architecuture arm64) and install the 64bit kernel (same version as the
  preinstalled 32bit kernel). This also installed a couple of other
  64bit packages but the end result is that the Pi no longer boots.

  ubuntu at rpi-4b-rev1d1-17cf:~$ sudo dpkg --add-architecture arm64
  ubuntu at rpi-4b-rev1d1-17cf:~$ sudo apt update
  <SNIP>
  ubuntu at rpi-4b-rev1d1-17cf:~$ sudo apt install linux-image-5.4.0-1009-raspi:arm64                                                Reading package lists... Done
  Building dependency tree       
  Reading state information... Done
  The following package was automatically installed and is no longer required:
    linux-headers-raspi
  Use 'sudo apt autoremove' to remove it.
  The following additional packages will be installed:
    devio:arm64 flash-kernel:arm64 gcc-10-base:arm64 libc6:arm64 libcrypt1:arm64
    libgcc-s1:arm64 libidn2-0:arm64 libunistring2:arm64
    linux-modules-5.4.0-1009-raspi:arm64
  Suggested packages:
    glibc-doc:arm64 locales:arm64 fdutils:arm64 linux-raspi-doc-5.4.0:arm64
    | linux-raspi-source-5.4.0:arm64 linux-raspi-tools:arm64
    linux-headers-5.4.0-1009-raspi:arm64
  The following packages will be REMOVED:
    devio flash-kernel linux-image-5.4.0-1009-raspi linux-image-raspi
    linux-modules-5.4.0-1009-raspi linux-raspi
  The following NEW packages will be installed:
    devio:arm64 flash-kernel:arm64 gcc-10-base:arm64 libc6:arm64 libcrypt1:arm64
    libgcc-s1:arm64 libidn2-0:arm64 libunistring2:arm64
    linux-image-5.4.0-1009-raspi:arm64 linux-modules-5.4.0-1009-raspi:arm64
  0 upgraded, 10 newly installed, 6 to remove and 1 not upgraded.
  Need to get 41.2 MB of archives.
  After this operation, 70.1 MB of additional disk space will be used.
  Do you want to continue? [Y/n] y
  <SNIP>

  And after rebooting:
  MMC:   mmcnr at 7e300000: 1, emmc2 at 7e340000: 0
  Loading Environment from FAT... *** Warning - bad CRC, using default environment

  In:    serial
  Out:   serial
  Err:   serial
  Net:   No ethernet found.
  starting USB...
  No working controllers found
  ## Info: input data size = 6 = 0x6
  Hit any key to stop autoboot:  0 
  switch to partitions #0, OK
  mmc0 is current device
  Scanning mmc 0:1...
  Found U-Boot script /boot.scr
  2591 bytes read in 48 ms (51.8 KiB/s)
  ## Executing script at 02400000
  8377406 bytes read in 1562 ms (5.1 MiB/s)
  Total of 1 halfword(s) were the same
  Decompressing kernel...
  Unknown command 'unzip' - try 'help'
  27940975 bytes read in 5093 ms (5.2 MiB/s)
  Booting Ubuntu (with booti) from mmc 0:...
  Unknown command 'booti' - try 'help'
  SCRIPT FAILED: continuing...

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