From: DRC <dco...@us...> - 2009-05-07 20:02:10
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I may have to modify vglserver_config for that distribution. Let me look into it. In the meantime, you should be able to log into display :0 and do xhost +LOCAL: to temporarily open up permissions so you can use VirtualGL. Wolfgang Pauli wrote: > Hi, > > I had indeed missed that I should stop kdm while running vglserver_config. So I > did it again, but still get the same error, already when running the sanity > check (xdpyinfo -display :0). Maybe the issue is that I am using kde4? Please > find the output you requested below. > > Thank you, > > Wolfgang > > > sudo /opt/VirtualGL/bin/vglserver_config > > 1) Configure server for use with VirtualGL in GLX mode > 2) Unconfigure server for use with VirtualGL in GLX mode > X) Exit > > Choose: > 1 > > Restrict local X server access to vglusers group (recommended)? > [Y/n] > n > > Restrict framebuffer device access to vglusers group (recommended)? > [Y/n] > n > > Disable XTEST extension (recommended)? > [Y/n] > n > ... Creating /etc/modprobe.d/virtualgl to set requested permissions for > /dev/nvidia* ... > ... Attempting to remove nvidia module from memory so device permissions > will be reloaded ... > ... Granting write permission to /dev/nvidia* for all users ... > > Done. You must restart the display manager for the changes to take effect. > > > 1) Configure server for use with VirtualGL in GLX mode > 2) Unconfigure server for use with VirtualGL in GLX mode > X) Exit > > Choose: > x > > --- > > Here are the specs for our machine: > OS: kubuntu (intrepid) > > kdm version 4:4.2.2-0ubuntu1~intrepid1 > > two nvidia cards: > 01:00.0 VGA compatible controller: nVidia Corporation GeForce 8800 GT (rev a2) > 02:00.0 VGA compatible controller: nVidia Corporation GeForce 8800 GT (rev a2) > > driver: nvidia-glx version 180 > > kernel version: 2.6.27-11-generic > > > > On Thursday 07 May 2009 01:26:57 pm DRC wrote: >> Yes, vglserver_config is supposed to open up permissions to display :0. >> Apparently it didn't. Some things to check: >> >> (1) Did you restart the X server (display :0) after running >> vglserver_config? >> >> (2) Are you running the accelerated drivers for your 3D graphics card? >> (supplied by the vendor, not the drivers that ship with Linux.) >> >> Please refer to Section 6.2 of the User's Guide for more detailed >> instructions. >> >> If you are still having problems, send me the output of >> vglserver_config, as well as the specifications of your machine >> (distribution of Linux, version, graphics card, graphics driver version, >> etc.) >> >> Wolfgang Pauli wrote: >>> Thanks! However, if I run it without -d, I get >>> >>> "[VGL] ERROR: Could not open display :0." >>> >>> Wolfgang >>> >>> On Thursday 07 May 2009 01:28:03 am DRC wrote: >>>> Try just 'vglrun glxinfo' without the '-d :1'. -d is used to specify >>>> the 3D X display, which is usually :0 (the display that has the 3D >>>> graphics card attached.) :1 is the 2D X display (your VNC session.) >>>> >>>> Wolfgang Pauli wrote: >>>>> Hi, >>>>> >>>>> This is the first time we are trying to use virtualgl with turbovnc at >>>>> my work, and we're totally clue less what else to try. >>>>> >>>>> We installed turbojpeg, turbovnc, and virtualgl on all involved >>>>> machines. >>>>> >>>>> We ran the vglserver_config (and answered all questions with "no") >>>>> >>>>> Then we started the vncserver >>>>> >>>>> and connected from the client with vncviewer >>>>> >>>>> So far everything seems fine. >>>>> >>>>> Now we tried to run glxinfo in the vnc session: >>>>> >>>>> vglrun -d :1 glxinfo >>>>> >>>>> >>>>> >>>>> name of display: :1.0 >>>>> Xlib: extension "GLX" missing on display ":1.0". >>>>> [VGL] ERROR: Cannot obtain a Pbuffer-enabled 24-bit FB config on the >>>>> VirtualGL [VGL] server. This is most likely because the 3D X Server >>>>> >>>>> :1 [VGL] is not configured for 24-bit color or does not have >>>>> >>>>> accelerated 3D [VGL] drivers installed. >>>>> Xlib: extension "GLX" missing on display ":1.0". >>>>> [VGL] ERROR: Cannot obtain a Pbuffer-enabled 24-bit FB config on the >>>>> VirtualGL [VGL] server. This is most likely because the 3D X Server >>>>> >>>>> :1 [VGL] is not configured for 24-bit color or does not have >>>>> >>>>> accelerated 3D [VGL] drivers installed. >>>>> Xlib: extension "GLX" missing on display ":1.0". >>>>> [VGL] ERROR: Cannot obtain a Pbuffer-enabled 24-bit FB config on the >>>>> VirtualGL [VGL] server. This is most likely because the 3D X Server >>>>> >>>>> :1 [VGL] is not configured for 24-bit color or does not have >>>>> >>>>> accelerated 3D [VGL] drivers installed. >>>>> Xlib: extension "GLX" missing on display ":1.0". >>>>> Xlib: extension "GLX" missing on display ":1.0". >>>>> Error: couldn't find RGB GLX visual or fbconfig >>>>> >>>>> Xlib: extension "GLX" missing on display ":1.0". >>>>> Xlib: extension "GLX" missing on display ":1.0". >>>>> [VGL] ERROR: in glXGetConfig-- >>>>> [VGL] 299: Could not obtain Pbuffer-capable RGB visual on the server >>>>> >>>>> >>>>> >>>>> --- >>>>> >>>>> vncserver was invoked with -depth 24 >>>>> >>>>> lsmod says I have these loaded: >>>>> nvidia 7103300 24 >>>>> agpgart 42184 2 nvidia,drm >>>>> i2c_core 31892 3 nvidia,eeprom,i2c_i801 >>>>> >>>>> There is no other x server running. >>>>> >>>>> Any hints??? >>>>> >>>>> Thanks! >>>>> >>>>> >>>>> ----------------------------------------------------------------------- >>>>> -- ----- The NEW KODAK i700 Series Scanners deliver under ANY >>>>> circumstances! 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