On Wed, Mar 23, 2011 at 02:00:56PM +0300, Andrey Borzenkov wrote:
> On Wed, Mar 23, 2011 at 10:22 AM, Michael Olbrich
> <m.olbr...@pengutronix.de> wrote:
> > On Mon, Mar 21, 2011 at 08:05:44PM +0300, Andrey Borzenkov wrote:
> >> On Mon, Mar 21, 2011 at 6:06 PM, Michael Olbrich
> >> <m.olbr...@pengutronix.de> wrote:
> >>
> >> >> The default systemd files only start getties on a handful of ttys. Since
> >> >> it seems impossible to distinguish between display ttys and e.g. modem
> >> >> ttys, one can't just simply start gettys on all tty*, thus necessiting
> >> >> manual addition for further ttys in the udev rules.
> >> >
> >> > hmmm, that is unfortunate. There are a lot of different names for the
> >> > serial ports on embedded systems. And using a serial console here is
> >> > rather
> >> > common. Maybe the tty from /sys/class/tty/console/active can always be
> >> > added somehow?
> >> >
> >>
> >> src/getty-generator.c: if
> >> (read_one_line_file("/sys/class/tty/console/active", &active) >= 0) {
> >
> > That's not what I meant. This only adds the serial tty unit. However it is
> > never started unless the associated device gets the udev 'systemd' tag.
> >
>
> This unit is also added as WantedBy to getty.target; and getty.target
> should be pulled in by multi-user.target. Does not it happen?
>
> Or do you mean, it should be always unconditionally started?
The units are all added correctly but without the "systemd" tag in udev
"systemd[1]: dev-ttyAMA0.device changed dead -> plugged" never happens.
As a result the getty is never started.
Regards,
Michael
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