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To: "Ben Kaduk" <minimarmot@gmail.com>
References: <47d0403c0602202053w751133eeta6c5210e0ab62cd2@mail.gmail.com>
From: Lowell Gilbert <freebsd-questions-local@be-well.ilk.org>
Date: 22 Feb 2006 10:16:11 -0500
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Cc: freebsd-questions@freebsd.org
Subject: Re: 6.0-release remote x application failure to open display
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"Ben Kaduk" <minimarmot@gmail.com> writes:

> Hi all,
> 
> I think this is probably a simple question, but I do not recall having
> any difficulties on 5.2.1 or 5.3-beta3, which are the other versions
> that I had run on this box.
> 
> I recently have performed a clean install of 6.0-release on this
> machine, on a new hard drive, and then copied over the data and some
> configuration files (ssh keys, etc.) from the old hard drive (it is a
> slow machine, so I didn't want to build current).  Having done so, I
> then tried to login remotely to this machine and run xmms (it is
> mostly used as my "music server"), which failed with this error:
> ** CRITICAL **: Unable to open display
> I have tried with passing the -X flag, and with passing the -Y flag to
> ssh, but there is no change in behaviour.
> Is there something that I have forgotten to enable, or is this unexpected?
> 
> Some information about the computer:
> kaduk@pleonasm$ uname -a
> FreeBSD pleonasm.mooo.com 6.0-RELEASE FreeBSD 6.0-RELEASE #0: Mon Feb
> 20 01:22:19 UTC 2006    
> root@pleonasm.urh.uiuc.edu:/usr/obj/usr/src/sys/PLEONASM  i386

Use higher levels of debug output, and let ssh itself tell you what it
thinks the problem is.  Also, compare the behaviour to other X
applications, like xterm.