Either I did something wrong, or it doesn't work for me. I followed these steps:
$ sudo apt-add-repository -p proposed
$ sudo apt install linux-raspi
uname -a output:
Linux ubuntu 5.13.0-1010-raspi #11-Ubuntu SMP PREEMPT Thu Oct 28 08:32:52 UTC
2021 aarch64 aarch64 aarch64 GNU/Linux
After the rainbow splash, cursor blinking waiting for boot the screen
goes black and shows no signal.
Output of ls -l boot and rpi-eeprom-update:
ubuntu@ubuntu:~$ ls -l /boot
total 66888
-rw------- 1 root root 5112454 Oct 25 08:22 System.map-5.13.0-1009-raspi
-rw------- 1 root root 5110476 Oct 28 02:59 System.map-5.13.0-1010-raspi
-rw-r--r-- 1 root root 241336 Oct 25 08:22 config-5.13.0-1009-raspi
-rw-r--r-- 1 root root 241266 Oct 28 02:59 config-5.13.0-1010-raspi
lrwxrwxrwx 1 root root 44 Nov 1 20:14 dtb ->
dtbs/5.13.0-1010-raspi/./bcm2711-rpi-4-b.dtb
lrwxrwxrwx 1 root root 44 Oct 31 20:22 dtb-5.13.0-1009-raspi ->
dtbs/5.13.0-1009-raspi/./bcm2711-rpi-4-b.dtb
lrwxrwxrwx 1 root root 44 Nov 1 20:14 dtb-5.13.0-1010-raspi ->
dtbs/5.13.0-1010-raspi/./bcm2711-rpi-4-b.dtb
drwxr-xr-x 4 root root 4096 Nov 1 20:14 dtbs
drwxr-xr-x 4 root root 7680 Dec 31 1969 firmware
lrwxrwxrwx 1 root root 28 Nov 1 20:13 initrd.img ->
initrd.img-5.13.0-1010-raspi
-rw-r--r-- 1 root root 19391282 Oct 31 20:21 initrd.img-5.13.0-1009-raspi
-rw-r--r-- 1 root root 19390433 Nov 1 20:14 initrd.img-5.13.0-1010-raspi
lrwxrwxrwx 1 root root 28 Nov 1 20:13 initrd.img.old ->
initrd.img-5.13.0-1009-raspi
lrwxrwxrwx 1 root root 25 Nov 1 20:13 vmlinuz ->
vmlinuz-5.13.0-1010-raspi
-rw------- 1 root root 9491368 Oct 25 08:22 vmlinuz-5.13.0-1009-raspi
-rw------- 1 root root 9489364 Oct 28 02:59 vmlinuz-5.13.0-1010-raspi
lrwxrwxrwx 1 root root 25 Nov 1 20:13 vmlinuz.old ->
vmlinuz-5.13.0-1009-raspi
ubuntu@ubuntu:~$ sudo rpi-eeprom-update
BOOTLOADER: up to date
CURRENT: Thu Apr 29 16:11:25 UTC 2021 (1619712685)
LATEST: Thu Apr 29 16:11:25 UTC 2021 (1619712685)
RELEASE: default (/lib/firmware/raspberrypi/bootloader/default)
Use raspi-config to change the release.
VL805_FW: Using bootloader EEPROM
VL805: up to date
CURRENT: 000138a1
LATEST: 000138a1
** Attachment added: "config.text for test"
https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1946368/+attachment/5537761/+files/config.txt_5_13_1010_11
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https://bugs.launchpad.net/bugs/1946368
Title:
HDMI output freezes under current/proposed impish kernels
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