[Bug 21377] New: can't open glxgears or blender on a remote ssh -X connection

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http://bugzilla.ubuntu.com/show_bug.cgi?id=21377
Ubuntu | UNKNOWN

           Summary: can't open glxgears or blender on a remote ssh -X
                    connection
           Product: Ubuntu
           Version: unspecified
          Platform: powerpc
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: UNKNOWN
        AssignedTo: debzilla at ubuntu.com
        ReportedBy: cardona at ucla.edu
         QAContact: kubuntu-bugs at lists.ubuntu.com


I have no problems in connecting remotely to my workstation using the X forwarding, and thus running Blender remotely, from 
apple's X11 or YellowDog Linux 4.0.1. 
But in both kubuntu hoary and kubuntu breezy I can't do that. 
Over the remote connection, the xclock opens just fine, and so does a remote konqueror, but glxgears doesn't, nor does 
blender. 
The error that pops for glxgears and glxinfo (and the same for blender) : 
 
-bash-2.05b$ glxgears  
X Error of failed request:  BadRequest (invalid request code or no such operation) 
  Major opcode of failed request:  128 (XFree86-DRI) 
  Minor opcode of failed request:  1 () 
  Serial number of failed request:  11 
  Current serial number in output stream:  11    
-bash-2.05b$ glxinfo  
name of display: localhost:10.0 
X Error of failed request:  BadRequest (invalid request code or no such operation) 
  Major opcode of failed request:  128 (XFree86-DRI) 
  Minor opcode of failed request:  1 () 
  Serial number of failed request:  11 
  Current serial number in output stream:  11 
-bash-2.05b$  
 
I have tried to set /etc/ssh/ssh_config "XForwardingTrusted yes", and also run "xhosts +", to no avail. 
I have also tried to set the DISPLAy var to my kubuntu machine IP plus 0.0 (i.e. 192.168.0.3:0.0 ), but didn't work either, 
actually didn't even let me open xclock. 
Both blender and glxgears work just fine in the local kubuntu, but not over a remote connection. 
I cannot understand why at all, thus this bug report.

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