serial kernel console vs. systemd

[Bill Nottingham]

Josh Stone (jistone at redhat.com) said: 
> > Anyway, if kmsg msgs are lost for you this probably happens inside of
> > ply or something related, but not systemd.
> 
> Is "ply" part of (or short for) plymouth?  I took rhgb out of my command
> line, and it's giving me a lot more on serial now.  I don't remember
> that being necessary before, but I could be mistaken.  But I still don't
> get anything on a hard crash.  Any idea where else I could look to
> improve this?

You can set the console loglevel differently with 'dmesg -n<number>'.
Outside of that, if you get normal kernel messages but not messages on
hard crashes, that may just mean the kernel died before it got a chance to
log - in that case, there's not a lot you can do.

Bill