On (12/18/18 15:26), Borislav Petkov wrote: > On Tue, Dec 18, 2018 at 10:07:50PM +0900, Sergey Senozhatsky wrote: > > This is right before shutdown. dmesg is not really available anymore. > > I can only guess why do they write it to devkmsg - to make it appear > > on the serial/net console, perhaps. Dunno. > > But still, why do we want to see those messages and enlarge the > ratelimit for that? Do they contain any particularly important > information?
Good question. Theoretically, there can be some interesting stuff. Examples: https://bugzilla.redhat.com/show_bug.cgi?id=1515373#c6 or https://github.com/systemd/systemd/issues/5433 -ss