Public bug reported:
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@rpi-4b-rev1d1-17cf:~$ sudo dpkg --add-architecture arm64
ubuntu@rpi-4b-rev1d1-17cf:~$ sudo apt update
<SNIP>
ubuntu@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@7e300000: 1, emmc2@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...
** Affects: u-boot (Ubuntu)
Importance: Undecided
Status: New
** Affects: u-boot (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: u-boot (Ubuntu Focal)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1875319
Title:
Raspberry Pi doesn't boot anymore after installing a 64bit kernel
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/u-boot/+bug/1875319/+subscriptions
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