Thanks to everyone who gave helpful suggestions; I now have stereo working on 
Ubuntu 18.04.

To help anyone who comes across this in the CCP4 archives in the future, it was 
necessary to:

1) Install lightdm and set it as the default display manager.  Other display 
managers that don't do compositing may also work.

2) Install a suitable desktop environment (I used gnome flashback metacity in 
the end, but XFCE also works).

3) Edit the Xorg configuration (which is now a series of files in 
/usr/share/X11/xorg.conf.d) to include "Stereo" "10", and "Composite" "Disable".

The step I was missing was the first one.  In Ubuntu 16.04, stereo worked 
without having to do this.

Thanks again,

Chris
-- 
Dr Chris Richardson :: Sysadmin, structural biology, icr.ac.uk
 
 
 

On 08/11/2019, 12:19, "CCP4 bulletin board on behalf of Chris Richardson" 
<CCP4BB@JISCMAIL.AC.UK on behalf of chris.richard...@icr.ac.uk> wrote:

    Apologies for the only slightly relevant question.
    
    Does anyone know the correct incantations to get nVidia 3D Vision glasses 
and emitter working with Ubuntu 18.04?
    
    None of the tricks that work with 16.04 are helping with the new release.  
In particular, disabling composite in the extensions makes the display blank 
while X11 restarts itself every few seconds.
    
    Thanks in advance,
    
    Chris
    -- 
    Dr Chris Richardson :: Sysadmin, structural biology, icr.ac.uk
     
     
     
    
    
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