This looks more likely to be a kernel bug than plymouth right now. It
would only be a Plymouth bug if plymouthd was the one displaying the
kernel log messages while it waits for DRM to start. Thereafter it
switches to graphics mode.
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1970069
Title:
Annoying boot messages interfering with splash screen, since upgrading
to Jammy
Status in linux package in Ubuntu:
Confirmed
Status in plymouth package in Ubuntu:
Confirmed
Bug description:
Since upgrading from 20.04.6 Desktop to 22.04, the boot screen is not
as clean as it used to be.
Basically, the flow used to be in 20.04:
GRUB > Splash screen > Login prompt
Currently in 22.04:
GRUB > Splash screen > Messages (in the attached file) > Splash screen
again for a sec > Login prompt
All of those messages already existed in 20.04, the difference is that
they were not appearing during boot.
I was able to get rid of the "usb" related messages by just adding
"loglevel=0" in GRUB. Currently is "quiet loglevel=0 splash".
Regarding the fsck related message, I can get rid of them by adding
"fsck.mode=skip".
However, I do not want to just disable fsck or set the loglevel to 0.
This is not a sustainable solution.
Something definitely changed here. These messages are not of enough
relevance to be shown at boot by default, and they should remain
hidden like they were in Focal.
Obviously a minor issue, but important to the whole look and feel of
the OS for desktop.
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