Configure indirect rendering for X

Hello,

I find out a problem with visualization under Leap 42.1  and I 'm
looking for a permanent configuration  of indirect GLX

for example in /etc/sysconfig/displaymanager.

Under Leap 42.1 the X-Server behaves as if AllowIndirectGLXProtocol =
FALSE and
because of this  OpenGL-Applications  don't  function   per SSh and
X11-Forwarding


I did some of the proposed configuration  i found in the  web.

1) Change  /etc/X11/xdm/Xservers to

:0 local /usr/bin/X -nolisten tcp +iglx  -br vt7

But  after "rcxdm restart"  this option +iglx is not shown in the
Xorg-command with ps


2) Change of etc/X11/xorg.conf

      Section "ServerFlags"
      Option "AllowIndirectGLX" "on"     or  "True"
      EndSection

despite of this glxgears  shows  direct rendering : Yes

-------
Our constallation of several workstations is :
Leap 42.1   Kernel : 4.1.34-33-default
 x11-video-nvidiaG04-367.57-27.1
 xorg-x11-server-7.6_1.17.2-24.2
DISPLAYMANAGER="kdm"
DEFAULT_WM="kde"


If you call  a visualization-program  such as blender  or even glxgears
locally   all is fine ,
but if you do an ssh-login on the other workstation  and even  call
glxgears  , an error occurred.

X Error of failed request:  BadValue (integer parameter out of range for
operation)
  Major opcode of failed request:  154 (GLX)
  Minor opcode of failed request:  3 (X_GLXCreateContext)
  Value in failed request:  0x0
  Serial number of failed request:  30
  Current serial number in output stream:  31

 It seems to be  a problem with direct rendering .

Can anybody help me here?   Thanks in advance

Kindly regards

+----------------------------------------------------------------------+
| Marianne Frerichs
       |
| Juelich Supercomputing Centre (JSC)                       |
| Institute for Advanced Simulation (IAS)                      |
| Forschungszentrum Juelich GmbH                             |
| Email: [email protected]                                 |
+----------------------------------------------------------------------+




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Forschungszentrum Juelich GmbH
52425 Juelich
Sitz der Gesellschaft: Juelich
Eingetragen im Handelsregister des Amtsgerichts Dueren Nr. HR B 3498
Vorsitzender des Aufsichtsrats: MinDir Dr. Karl Eugen Huthmacher
Geschaeftsfuehrung: Prof. Dr.-Ing. Wolfgang Marquardt (Vorsitzender),
Karsten Beneke (stellv. Vorsitzender), Prof. Dr.-Ing. Harald Bolt,
Prof. Dr. Sebastian M. Schmidt
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