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Message #69350
[Bug 1442405] Re: plymouth locks console termios, breaking serial consoles
>> The official docs [1] say to do:
>
> Dangling reference here; I don't know which doc you got this from.
Whoops.
https://help.ubuntu.com/community/SerialConsoleHowto
> Why do you say that it doesn't? The 'stopped rc RUNLEVEL=2' event, when
> emitted, should trigger this job to be called. This is the same event that
> triggers the start of your tty job, so it certainly is being emitted.
Sorry, I read that wrong. You're right.
I do have lightdm installed, which is odd, since I don't have any of the
xorg packages installed. I wonder if that's somehow related. I don't
have a /var/log/upstart/plymouth-stop.log.
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https://bugs.launchpad.net/bugs/1442405
Title:
plymouth locks console termios, breaking serial consoles
Status in plymouth package in Ubuntu:
Incomplete
Status in upstart package in Ubuntu:
Invalid
Bug description:
I have a more or less standard non-graphical Ubuntu 14.04 server
installation. I boot with console=ttyS1,115200, and I have
/etc/init/ttyS1.conf that's more or less the same as all the standard
/etc/init/ttyN.conf files.
The serial console login doesn't work because plymouth seems to think
it's showing its bootsplash and it locks the termios settings using
TIOCSLCKTRMIOS. This completely breaks /bin/login, which *requires*
working buffered mode.
I have no idea what mechanism is supposed to tell Plymouth to dismiss
its splash screen when boot up is done, but it's clearly broken. What
gives?
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References