[systemd-devel] Unicode support in console after boot

[Michal Sekletar]

On Tue, Oct 21, 2014 at 09:39:46PM +0400, Ivan Shapovalov wrote:
> On Tuesday 21 October 2014 at 19:03:17, Michal Sekletar wrote:	
> > On Tue, Oct 14, 2014 at 09:04:56AM +0200, Jan Synacek wrote:
> > > Michal Sekletar <msekleta at redhat.com> writes:
> > > > On Mon, Oct 13, 2014 at 09:36:16AM +0200, Jan Synacek wrote:
> > > >> Hello,
> > > >> 
> > > >> currently, unicode characters are not correctly displayed in the
> > > >> console. After login, when I run /usr/bin/unicode_start, unicode works
> > > >> fine. I tried to create a service file that runs this script, linking
> > > >> tty to stdout and stderr, but that didn't work. Is there a way how to
> > > >> turn on unicode support in console after boot using a service file? Or
> > > >> any other type of unit? Or is this something that has to be patched in
> > > >> the source (logind perhaps?)?
> > > >
> > > > Please try editing /usr/lib/systemd/system/systemd-vconsole-setup.service and
> > > > remove RemainAfterExit=yes, then regenerate your initramfs image by running
> > > > dracut command. Add back RemainAfterExit=yes to service file. Reboot.
> > > 
> > > Yep, this helped. Could you please explain why? Also, I believe this
> > > should be fixed in all Fedora versions.
> > 
> > I must admit I'm not sure why this workaround works. Maybe there is some race
> > condition with some kernel initialization or settings get unapplied because of
> > switch-root.
> > 
> > Also, if we go with workaround in Fedora I think dracut needs to fixed to
> > include version on unit file *without* RemainAfterExit=yes.
> 
> IIUC, this makes unit to be re-run outside of initramfs, so the VT is set up twice,
> second time after switching the framebuffer driver.
> 
> And the latter condition is not mandated by anything, it's just a
> coincidence...

I guess that what you are saying pretty much summarizes the situation here. Can
we make something about framebuffer driver, thus settings applied in initramfs
are not thrashed?

Michal