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Date: Wed, 28 Mar 2012 12:44:14 +0200
From: Michael Olbrich <m.olbrich@pengutronix.de>
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Subject: Re: [ptxdist] console_name for systemd based systems
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Hi,

On Wed, Mar 28, 2012 at 12:25:40PM +0200, Alexander Dahl wrote:
> Am 2012-03-28 11:26, schrieb Michael Olbrich:
> > I've never needed that with systemd. By default systemd will add such a
> > dependency for the tty the kernel uses for it's output. So if you boot with
> > "console=/dev/ttyS0" in the kernel commandline you should get a getty on
> > ttyS0.
> 
> I didn't get a serial getty without the symlink mentioned. The cmdline
> is (shortened):
> 
>  $ cat /proc/cmdline
>  console=ttyS0,115200
> 
> The kernel does output to the serial console, I see all boot messages,
> but I do not have a getty then. So maybe systemd does not recognize this
> parameter format. I will play a little with the bootloader later to see
> if that's the case.

Which kernel version? systemd uses /sys/class/tty/console/active to
determine where to start a getty.

Is "agetty" installed?

> On the other hand I have still problems with systemd-logind, maybe this
> prevents correct loading. Do you have special settings for this one?

No, but it's possible that you're missing some necessary kernel config
options.

Michael

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