[Bug 2049390] Re: Please change CONFIG_CONSOLE_LOGLEVEL_QUIET to 3

This bug is awaiting verification that the linux-gcp/6.8.0-1008.9 kernel
in -proposed solves the problem. Please test the kernel and update this
bug with the results. If the problem is solved, change the tag
'verification-needed-noble-linux-gcp' to 'verification-done-noble-linux-
gcp'. If the problem still exists, change the tag 'verification-needed-
noble-linux-gcp' to 'verification-failed-noble-linux-gcp'.


If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.


See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: kernel-spammed-noble-linux-gcp-v2 verification-needed-noble-linux-gcp

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https://bugs.launchpad.net/bugs/2049390

Title:
Please change CONFIG_CONSOLE_LOGLEVEL_QUIET to 3

Status in linux package in Ubuntu:
Fix Released

Bug description:
The Ubuntu Desktop boot isn't flickerfree today as reported on bug #1970069 , one of the reason is that kernel error messages are often being logged and not filtered out by our default loglevel
(one example with usb messages on https://launchpadlibrarian.net/598152686/20220422_014058.jpg)

Fedora is using CONFIG_CONSOLE_LOGLEVEL_QUIET=3 (instead of 4 which is
the default), they change it 5 years ago
(https://src.fedoraproject.org/rpms/kernel/c/838818e5), the rational
is in the commit message that added the configuration option to the
kernel

> This for example will allow distros which want quiet to really mean quiet to set
> CONSOLE_LOGLEVEL_QUIET so that only messages with a higher severity then KERN_ERR (CRIT, ALERT, EMERG)
> get printed, avoiding an endless game of whack-a-mole silencing harmless error messages. '

Could we also get the default change to 3 in Ubuntu?

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