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[Bug 1442405] [NEW] plymouth locks console termios, breaking serial consoles

 

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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?

** Affects: lightdm (Ubuntu)
     Importance: Undecided
         Status: Triaged

** Affects: upstart (Ubuntu)
     Importance: Undecided
         Status: Invalid

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plymouth locks console termios, breaking serial consoles
https://bugs.launchpad.net/bugs/1442405
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