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Wizumwalt
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Joined: 20 Aug 2006
Posts: 418

PostPosted: Thu Aug 10, 2017 3:01 pm    Post subject: couldn't find RGB GLX visual or fbconfig Reply with quote

While developing a small OpenGL3+ game app, I'm getting the following on startup. So here's the details of just trying to run glxgears.
Thoughts?
Code:

$ sudo eselect mesa list
64bit i915 (Intel 915, 945)
64bit i965 (Intel GMA 965, G/Q3x, G/Q4x, HD)
64bit r300 (Radeon R300-R500)
64bit r600 (Radeon R600-R700, Evergreen, Northern Islands)
64bit sw (Software renderer)
  [1]   classic
  [2]   gallium *
32bit i915 (Intel 915, 945)
32bit i965 (Intel GMA 965, G/Q3x, G/Q4x, HD)
32bit r300 (Radeon R300-R500)
32bit r600 (Radeon R600-R700, Evergreen, Northern Islands)
32bit sw (Software renderer)
  [1]   classic
  [2]   gallium *

$ lsmod | grep nvidia
nvidia              11458239  0

$ eselect opengl list
Available OpenGL implementations:
  [1]   nvidia *
  [2]   xorg-x11

$ glxinfo
name of display: :0.0
Error: couldn't find RGB GLX visual or fbconfig

$ lspci | grep -i vga
03:00.0 VGA compatible controller: NVIDIA Corporation GP104 [GeForce GTX
1080] (rev a1)

$ glxgears
Error: couldn't get an RGB, Double-buffered visual
$
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Keruskerfuerst
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Joined: 01 Feb 2006
Posts: 2118

PostPosted: Thu Aug 10, 2017 6:28 pm    Post subject: Reply with quote

Did you install the Nvidia driver correctly?
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Wizumwalt
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Joined: 20 Aug 2006
Posts: 418

PostPosted: Thu Aug 10, 2017 6:56 pm    Post subject: Reply with quote

Code:

$ sudo emerge nvidia-drivers

Reports no errors.

Also, here's a bit of extra info.

Code:

$ xdpyinfo
name of display:    :0.0
version number:    11.0
vendor string:    The X.Org Foundation
vendor release number:    11903000
X.Org version: 1.19.3
maximum request size:  16777212 bytes
motion buffer size:  256
bitmap unit, bit order, padding:    32, LSBFirst, 32
image byte order:    LSBFirst
number of supported pixmap formats:    7
supported pixmap formats:
    depth 1, bits_per_pixel 1, scanline_pad 32
    depth 4, bits_per_pixel 8, scanline_pad 32
    depth 8, bits_per_pixel 8, scanline_pad 32
    depth 15, bits_per_pixel 16, scanline_pad 32
    depth 16, bits_per_pixel 16, scanline_pad 32
    depth 24, bits_per_pixel 32, scanline_pad 32
    depth 32, bits_per_pixel 32, scanline_pad 32
keycode range:    minimum 8, maximum 255
focus:  window 0x2800006, revert to Parent
number of extensions:    25
    BIG-REQUESTS
    Composite
    DAMAGE
    DOUBLE-BUFFER
    DPMS
    DRI2
    Generic Event Extension
    MIT-SCREEN-SAVER
    MIT-SHM
    Present
    RANDR
    RECORD
    RENDER
    SHAPE
    SYNC
    X-Resource
    XC-MISC
    XFIXES
    XFree86-DGA
    XFree86-VidModeExtension
    XINERAMA
    XInputExtension
    XKEYBOARD
    XTEST
    XVideo
default screen number:    0
number of screens:    1

screen #0:
  dimensions:    3840x2160 pixels (1016x572 millimeters)
  resolution:    96x96 dots per inch
  depths (7):    24, 1, 4, 8, 15, 16, 32
  root window id:    0x43
  depth of root window:    24 planes
  number of colormaps:    minimum 1, maximum 1
  default colormap:    0x20
  default number of colormap cells:    256
  preallocated pixels:    black 0, white 16777215
  options:    backing-store WHEN MAPPED, save-unders NO
  largest cursor:    3840x2160
  current input event mask:    0x7ac03f
    KeyPressMask             KeyReleaseMask           ButtonPressMask         
    ButtonReleaseMask        EnterWindowMask          LeaveWindowMask         
    KeymapStateMask          ExposureMask             StructureNotifyMask     
    SubstructureNotifyMask   SubstructureRedirectMask FocusChangeMask         
    PropertyChangeMask       
  number of visuals:    2
  default visual id:  0x21
  visual:
    visual id:    0x21
    class:    TrueColor
    depth:    24 planes
    available colormap entries:    256 per subfield
    red, green, blue masks:    0xff0000, 0xff00, 0xff
    significant bits in color specification:    8 bits
  visual:
    visual id:    0x41
    class:    TrueColor
    depth:    32 planes
    available colormap entries:    256 per subfield
    red, green, blue masks:    0xff0000, 0xff00, 0xff
    significant bits in color specification:    8 bits


After a reboot ...
Code:

$ glxgears
libGL error: No matching fbConfigs or visuals found
libGL error: failed to load driver: swrast
X Error of failed request:  BadValue (integer parameter out of range for operation)
  Major opcode of failed request:  153 (GLX)
  Minor opcode of failed request:  3 (X_GLXCreateContext)
  Value in failed request:  0x0
  Serial number of failed request:  35
  Current serial number in output stream:  37
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i4dnf
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Joined: 18 Sep 2005
Posts: 235
Location: Bucharest, Romania

PostPosted: Fri Aug 11, 2017 11:01 am    Post subject: Reply with quote

If you're using nvidia-drivers you can't use gallium, switch mesa to classic.
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Wizumwalt
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Joined: 20 Aug 2006
Posts: 418

PostPosted: Mon Aug 14, 2017 4:11 pm    Post subject: Reply with quote

So I switched to classic, but still getting the following ...
Code:

$ sudo eselect mesa list
64bit i915 (Intel 915, 945)
64bit i965 (Intel GMA 965, G/Q3x, G/Q4x, HD)
64bit r300 (Radeon R300-R500)
64bit r600 (Radeon R600-R700, Evergreen, Northern Islands)
64bit sw (Software renderer)
  [1]   classic *
  [2]   gallium
32bit i915 (Intel 915, 945)
32bit i965 (Intel GMA 965, G/Q3x, G/Q4x, HD)
32bit r300 (Radeon R300-R500)
32bit r600 (Radeon R600-R700, Evergreen, Northern Islands)
32bit sw (Software renderer)
  [1]   classic *
  [2]   gallium

$ glxgears
libGL error: No matching fbConfigs or visuals found
libGL error: failed to load driver: swrast
X Error of failed request:  BadValue (integer parameter out of range for operation)
  Major opcode of failed request:  153 (GLX)
  Minor opcode of failed request:  3 (X_GLXCreateContext)
  Value in failed request:  0x0
  Serial number of failed request:  35
  Current serial number in output stream:  37
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machuidel
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Joined: 24 Jul 2016
Posts: 5

PostPosted: Mon Aug 21, 2017 7:18 pm    Post subject: Reply with quote

Wizumwalt wrote:
So I switched to classic, but still getting the following ...
Code:

$ sudo eselect mesa list
64bit i915 (Intel 915, 945)
64bit i965 (Intel GMA 965, G/Q3x, G/Q4x, HD)
64bit r300 (Radeon R300-R500)
64bit r600 (Radeon R600-R700, Evergreen, Northern Islands)
64bit sw (Software renderer)
  [1]   classic *
  [2]   gallium
32bit i915 (Intel 915, 945)
32bit i965 (Intel GMA 965, G/Q3x, G/Q4x, HD)
32bit r300 (Radeon R300-R500)
32bit r600 (Radeon R600-R700, Evergreen, Northern Islands)
32bit sw (Software renderer)
  [1]   classic *
  [2]   gallium

$ glxgears
libGL error: No matching fbConfigs or visuals found
libGL error: failed to load driver: swrast
X Error of failed request:  BadValue (integer parameter out of range for operation)
  Major opcode of failed request:  153 (GLX)
  Minor opcode of failed request:  3 (X_GLXCreateContext)
  Value in failed request:  0x0
  Serial number of failed request:  35
  Current serial number in output stream:  37


Make sure you set eveything to nvidia using eselect. Then do the following:

Code:
mv /usr/lib64/xorg/modules/extensions/libglx.so /usr/lib64/xorg/modules/extensions/libglx.so.org
ln -snf /usr/lib/opengl/nvidia/extensions/libglx.so /usr/lib64/xorg/modules/extensions/libglx.so
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