linux-kernel - Re: [QUERY] User-Mode Linux and /dev/tty*

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Message-ID: <CALkWK0kibE4ZcwEPOGU2Rmt1ZfODqQ0SoN2RmhEp-BiftsF0Uw@mail.gmail.com>
Date:	Tue, 16 Jul 2013 21:56:09 +0530
From:	Ramkumar Ramachandra <artagnon@...il.com>
To:	Richard Weinberger <richard@....at>
Cc:	LKML <linux-kernel@...r.kernel.org>, Jeff Dike <jdike@...toit.com>,
	Al Viro <viro@...iv.linux.org.uk>
Subject: Re: [QUERY] User-Mode Linux and /dev/tty*

Richard Weinberger wrote:
> UML does not have virtual consoles.

Then why do I see this on my UML box?

# ls /dev/tty* | wc -l
113

Why is it creating unusable devices?  Is drivers/tty.c responsible for
this?  What is it exactly?

> I'm not running HEAD, but opensuse 12.3 (with systemd) works on UML.

Also, what's with all the

   xterm_open : run_helper failed, errno = 2

messages?  (I installed xterm, but it wasn't very enlightening)
How is drivers/xterm.c supposed to work?  And what is mconsole?
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