[systemd-devel] Help with boot time debugging

[Andrei Borzenkov]

04.10.2016 23:55, Manuel Amador (Rudd-O) пишет:
> Hello folks!
> 
> I'm developing a Dracut module and I need to know how to go about
> showing what processes run by systemd during boot are saying.  This is
> for https://github.com/Rudd-O/zfs-fedora-installer .
> 
> For example, I have this one that happens during boot:
> 
> "Starting dracut cmdline hook"
> 
> I want to show on the console what the cmdline hook might have spat to
> standard output.  I  want every single process that produces
> stdout/stderr/logging output to show me that output on the console.
> 
> The boot time option systemd.journald.forward_to_console simply did not
> work (my console is a ttyS0).
> 
> What gives?
> 

Are you sure there is any output in the first place? Is anything in
journal that is not present on console?