From: Michael Olbrich <m.olbrich@pengutronix.de>
To: ptxdist@pengutronix.de
Subject: Re: [ptxdist] console_name for systemd based systems
Date: Wed, 28 Mar 2012 12:44:14 +0200 [thread overview]
Message-ID: <20120328104414.GE27119@pengutronix.de> (raw)
In-Reply-To: <f4d69f1661ae7d7d8959e815a11d3ba5@idefix.lespocky.dyndns.org>
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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next prev parent reply other threads:[~2012-03-28 10:44 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-28 9:09 Alexander Dahl
2012-03-28 9:26 ` Michael Olbrich
2012-03-28 10:25 ` Alexander Dahl
2012-03-28 10:44 ` Michael Olbrich [this message]
2012-03-28 11:02 ` Alexander Dahl
2012-03-28 11:10 ` Michael Olbrich
2012-03-28 11:27 ` Alexander Dahl
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