Much ado about SBAT

Posted Aug 3, 2023 23:15 UTC (Thu) by Kamilion (subscriber, #42576)
In reply to: Much ado about SBAT by mjg59
Parent article: Much ado about SBAT

... I get graphical corruption of plymouth and knocked out of graphical boot to read two or three `quiet`-unsuppressed kernel warning messages already.

RETBleed: WARNING: Spectre V2 mitigation leaves CPU vulnerable to RETBleed attacks, data leaks possible!
[drm:vmw_host_printf [vmwgfx]] *ERROR* Failed to send host log message.
systemd[1]: Invalid DMI field header.

I don't get the vmwgfx error outside of virtualbox, obviously.
(And this is a Skylake Xeon-Scalable Gold!)

I don't think I have a single system that can boot from firmware to desktop *without* plymouth choking somewhere. My ryzens exhibit similar but not identical "unsuppressed messages breaking graphical boot while `quiet` is asserted" issues.

I honestly got so sick of it I dropped `quiet` and defaulted my ubuntu spin to `verbose`.