On Thursday 07 May 2015 08:44:26 Gene Heskett wrote:
> On Thursday 07 May 2015 05:07:08 Mark Wendt wrote:
> > On Thu, May 7, 2015 at 3:20 AM, Gene Heskett <[email protected]> 
wrote:
> > > I have been able to export the x session to this box forever, and
> > > it has worked nominally well, till now.
> > >
> > > But this machine now has debian 7.8 (wheezy) on it, and the lathe
> > > just got its drive reformatted and has the binary-hybrid.iso
> > > installed on it.
> > >
> > > Tonight, I am "ssh -Y shop" from this machine, and when I try to
> > > run linuxcnc -l from the logged in terminal, it now fails, as does
> > > a login to lathe.coyote.den by the same syntax.
> > >
> > > gene@shop:~$ linuxcnc -l
> > > LINUXCNC - 2.6.7
> > > Machine configuration directory
> > > is '/home/gene/linuxcnc/configs/my-mill-atom-3'
> > > Machine configuration file is 'my-mill-atom-3.ini'
> > > Starting LinuxCNC...
> > > Traceback (most recent call last):
> > >   File "/usr/bin/hal_manualtoolchange", line 62, in <module>
> > >     app = Tkinter.Tk(className="AxisToolChanger")
> > >   File "/usr/lib/python2.6/lib-tk/Tkinter.py", line 1646, in
> > > __init__ self.tk = _tkinter.create(screenName, baseName,
> > > className, interactive, wantobjects, useTk, sync, use)
> > > _tkinter.TclError: unknown color name "BACKGROUND"
> > > Traceback (most recent call last):
> > >   File "/usr/bin/axis", line 121, in <module>
> > >     root_window = Tkinter.Tk(className="Axis")
> > >   File "/usr/bin/axis", line 44, in __init__
> > >     OldTk.__init__(self, *args, **kw)
> > >   File "/usr/lib/python2.6/lib-tk/Tkinter.py", line 1646, in
> > > __init__ self.tk = _tkinter.create(screenName, baseName,
> > > className, interactive, wantobjects, useTk, sync, use)
> > > _tkinter.TclError: unknown color name "BACKGROUND"
> > > Shutting down and cleaning up LinuxCNC...
> > > Traceback (most recent call last):
> > >   File "/usr/bin/axis-remote", line 78, in <module>
> > >     t = Tkinter.Tk(); t.wm_withdraw()
> > >   File "/usr/lib/python2.6/lib-tk/Tkinter.py", line 1646, in
> > > __init__ self.tk = _tkinter.create(screenName, baseName,
> > > className, interactive, wantobjects, useTk, sync, use)
> > > _tkinter.TclError: unknown color name "BACKGROUND"
> > > Application initialization failed: unknown color name "BACKGROUND"
> > > LinuxCNC terminated with an error.  You can find more information
> > > in the log:
> > >     /home/gene/linuxcnc_debug.txt
> > > and
> > >     /home/gene/linuxcnc_print.txt
> > > as well as in the output of the shell command 'dmesg' and in the
> > > terminal
> > >
> > > dmesg is silent as to cause
> > >
> > > xhost output on shop
> > > gene@shop:~$ xhost
> > > access control disabled, clients can connect from any host
> > > INET:coyote.coyote.den
> > > INET:lathe.coyote.den
> > > INET:shop.coyote.den
> > > SI:localuser:gene
> > >
> > > Dittos for here
> > > gene@coyote:~$ xhost
> > > access control disabled, clients can connect from any host
> > > INET:coyote.coyote.den
> > > INET:lathe.coyote.den
> > > INET:shop.coyote.den
> > > SI:localuser:gene
> > >
> > > and 'lathe' is another copy.
> > > The .ssh/known_keys have been updated too.
> > >
> > > Unknown color name BACKGROUND?
> > >
> > > Probaly something forehead slappable simple, so the first thing I
> > > checked was xhost.
> > >
> > > Where do I look & check next?
> > >
> > > Thanks.
> > >
> > >
> > > Cheers, Gene Heskett
> >
> > Gene,
> >
> > If you're using ssh -X or ssh -Y those are unnecessary xhost
> > entries.
> >
> > Mark
>
> ISTR I had to do that at some point back in the fog of ancient
> history. That should not be whats killing me now I would think.  It
> would be one heck of a regression if thats the case.  OTOH, I was
> never able to use ssh -X because of a similar error, and now even -Y
> only works for text terminal's?
>
> Thanks Mark.

Slight correction, a different application that still uses an X remote 
display, update-manager, still works from the 10.04-4 LTS install thats 
on the milling machine, on this screen here.  So some of it works.

Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page <http://geneslinuxbox.net:6309/gene>

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