We seem to have lost the relevant config changes in Kinetic. Sigh.
** Also affects: linux-raspi (Ubuntu Kinetic)
Importance: Undecided
Status: New
** Changed in: linux-raspi (Ubuntu Kinetic)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1976147
Title:
[Kernel 5.15] System messages (kernel and systemd) are not shown
during boot until it reach a late stage
Status in linux-raspi package in Ubuntu:
Triaged
Status in linux-raspi source package in Jammy:
Fix Released
Status in linux-raspi source package in Kinetic:
Confirmed
Bug description:
# lsb_release -rd
Description: Ubuntu 22.04 LTS
Release: 22.04
# uname -a
Linux fpgrpi 5.15.0-1008-raspi #8-Ubuntu SMP PREEMPT Thu May 19 11:58:51 UTC
2022 aarch64 aarch64 aarch64 GNU/Linux
Problem summary:
----------------
System is a Raspberry Pi 4 Model B Rev 1.4.
When you remove the 'quiet' and 'splash' options in file
/boot/firmware/cmdline.txt in order to see "live" the kernel and
systemd messages generated during boot these messages are not shown
from the start of the boot process. It remains a blank screen until
boot process reached a late stage (maybe the gpu driver init but I'm
not sure).
It works with previous kernels 5.13 from Impish (it show all messages
from the boot start) but is broken in kernels 5.15 from jammy.
What was expected:
------------------
As in kernel 5.13 the boot will show 4 raspberries in the top of the screen
and the kernel and systemd messages generated will be shown from the start of
the boot process.
How to reproduce:
-----------------
Remove the 'quiet' and 'splash' options in file /boot/firmware/cmdline.txt in
order to see "live" the kernel and systemd messages generated during boot. With
kernel 5.13 these messages are shown from the boot process start but with
kernel 5.15 the screen remains blank until a late boot stage.
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