Hello freesurfers,

Running a Mac Pro, OS X El Capitan 10.11.4
With ATI Radeon Graphics card, and XQuartz v 2.7.9

I am able to run Qdec and freeview perfectly fine on my machine. The problem 
comes when I attempt to SSH into another machine and use these programs (it 
used to work fine, but I am wondering if something in our configuration has 
changed now)

I get the following errors

[belen@picasso:~] freeview
Xlib:  extension "NV-GLX" missing on display "localhost:10.0".
X Error: BadValue (integer parameter out of range for operation) 2
  Extension:    150 (Uknown extension)
  Minor opcode: 3 (Unknown request)
  Resource id:  0x0
Abort (core dumped)

[belen@picasso:~] qdec
Xlib:  extension "NV-GLX" missing on display "localhost:10.0".
X Error of failed request:  BadValue (integer parameter out of range for 
operation)
  Major opcode of failed request:  150 (GLX)
  Minor opcode of failed request:  3 (X_GLXCreateContext)
  Value in failed request:  0x0
  Serial number of failed request:  1504
  Current serial number in output stream:  1505

Based on my limited knowledge, It seems likely to be a problem with X / SSH, 
and the graphics card, but I am unsure on how to proceed from here. If anyone 
has any ideas on how to overcome this, I would be incredibly grateful.

The server machine itself also has a monitor, and can run Qdec and Freeview 
fine locally, with no problems. the issue seems to happen over SSH

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