Subject: Re: Unable to open terminals in X
To: NetBSD-User <email@example.com>
From: Ian P. Thomas Ipt <firstname.lastname@example.org>
Date: 12/20/2001 21:05:32
On Thu, Dec 20, 2001 at 09:03:30PM -0500, Steven M. Bellovin wrote:
> In message <20011220205547.A164@solo.scraemondaemon.org>, "Ian P. Thomas Ipt" w
> >On Thu, Dec 20, 2001 at 08:51:03PM -0500, Steven M. Bellovin wrote:
> >> In message <20011220195310.A305@solo.scraemondaemon.org>, "Ian P. Thomas Ipt
> >" w
> >> rites:
> >> > Mine also have the same permissions. I was able to get an error
> >> >message from trying to execute xterm:
> >> >
> >> >xterm:no available ptys: no such file or directory
> >> >
> >> > I know this isn't true. I have ptys listed in /etc/ttys and in /dev.
> >> >Do I need to add anything to /etc/ttys? Here is what my ptys look like in
> >> >there:
> >> >
> >> >ttyp0 none network
> >> >
> >> > The rest under it are identical. The tty that X comes up on is listed
> >> >as follows:
> >> I don't think that the ttys entry matters. But the error message from
> >> xterm is misleading to the point of uselessness. xterm (probably)
> >> calls openpty, or does the same thing manually. The "same thing" is
> >> "loop through all possible pty masters until an open succeeds". If an
> >> open attempt fails, it checks to see if the cause is ENOENT, which
> >> would indicate that the machine is all out of configured ptys. The
> >> real question is why it can't open any.
> >> You could -- from a console prompt -- try something like
> >> sleep 5 </dev/ptyp0
> >/dev/ptyp0: Device not configured
> > That can't be good. The strange thing is, I was able to get xterms to
> >come when I was using Version 3.3.6. I just noticed that I have ptys
> >commented out in my kernel config. I'm going to recompile it and see if
> >that solves everything. I must have recompiled the kernel after switching
> >to Version 4.1.0.
> Sure sounds like it -- and that is quite sufficient to explain
> everything you're seeing.
> --Steve Bellovin, http://www.research.att.com/~smb
> Full text of "Firewalls" book now at http://www.wilyhacker.com
That was it. Thanks alot. Now I know not to comment out things in the
kernel config that I don't understand. If I can get pppd to work correctly
non-root and get my alt keys on my keyboard working, I'll be all set for the
Again, thanks for the help.
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