XQuartz on 10.6 (in a VM)

[Craig Treleaven]

At 3:44 PM +0100 3/26/15, René J.V. Bertin wrote:
>I've got a 10.6 VM which is more or less a clone 
>of my 10.6.8 system of about 18 months ago. I'm 
>pretty sure that it used to run my X11 
>environment, and the same host (Parallels 
>Desktop 10) also runs X11 applications just fine 
>when I boot it into OS X 10.9 .
>
>Not so (anymore) with 10.6.8 though. There 
>appears to be some communications glitch in the 
>Xt toolkit, which causes X applications built 
>against the X11 libraries in MacPorts to fail 
>with "Xt toolkit error: can't connect to display 
>:0.0".
>
>I have XQuartz 2.7.4 installed, because for some 
>(related?) reason the 2.7.7 installer remains 
>stuck on "Install for all users on this system" 
>with the proceed button greyed out. However, the 
>latest port:xorg-server from MacPorts shows the 
>exact same behaviour (the Xt error, not the 
>installer issue :)).
>
>Does any of this sound familiar?

Maybe it is a Parallels 10 thing?  I use 
Parallels 9 with a 10.6.8 Server VM, 10.6.8 host, 
and MacPorts xorg-server works fine for me.  This 
is recent, as I was working the last few days 
with an update to hdhomerun_gui, which runs under 
XQuartz.

Donno if this helps...

Craig