glxgears "Error: couldn't get an RGB, Double-buffered visual"

=_Part_148068_1487989.1147986003702
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bonsoir a tous,

j'ai un petit soucis d'acceleration graphique.
je travaille sur une ubuntu 5.1
mon noyau est 2.6.12-10-k7 avec les resticted modules correspondants.
un #cat /proc/cpuinfo me retourne ca

processor : 0
vendor_id : AuthenticAMD
cpu family : 15
model : 47
model name : AMD Athlon(tm) 64 Processor 3800+
stepping : 0
cpu MHz : 2412.102
cache size : 512 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 1
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt lm
3dnowext 3dnow pni
bogomips : 4767.74

pour ce qui est de ma carte graphique, c'est une gigabyte GeForce 7800 GTX
avec sli et 256 DDR. le chipset est un chipset Nvidia.

voila pour les informations.

Maintenant j'ai voulu tester les performances de ma carte graphique et de
mon accelaration 3D avec glxgears.
seulement cela me retourne

Xlib: extension "GLX" missing on display ":0.0".
Error: couldn't get an RGB, Double-buffered visual

si j'ai bien compris, etant tres amateur dans les interfaces graphiques sou=
s
linux, il fallait que j'ai dans la configuration de xorg.conf le module glx
chargé.
c'est le cas.
voici le contenu de mon xorg.conf

Section "Files"
FontPath "/usr/share/X11/fonts/misc"
FontPath "/usr/share/X11/fonts/cyrillic"
FontPath "/usr/share/X11/fonts/100dpi/:unscaled"
FontPath "/usr/share/X11/fonts/75dpi/:unscaled"
FontPath "/usr/share/X11/fonts/Type1"
FontPath "/usr/share/X11/fonts/CID"
FontPath "/usr/share/X11/fonts/100dpi"
FontPath "/usr/share/X11/fonts/75dpi"
# paths to defoma fonts
FontPath "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType"
FontPath "/var/lib/defoma/x-ttcidfont-conf.d/dirs/CID"
EndSection

Section "Module"
Load "GLcore"
Load "bitmap"
Load "ddc"
Load "dri"
Load "extmod"
Load "freetype"
Load "glx"
Load "int10"
Load "type1"
Load "vbe"
EndSection

Section "InputDevice"
Identifier "Generic Keyboard"
Driver "kbd"
Option "CoreKeyboard"
Option "XkbRules" "xorg"
Option "XkbModel" "pc105"
Option "XkbLayout" "fr"
Option "XkbVariant" "latin9"
EndSection

Section "InputDevice"
Identifier "Configured Mouse"
Driver "mouse"
Option "CorePointer"
Option "Device" "/dev/input/mice"
Option "Protocol" "ImPS/2"
Option "Emulate3Buttons" "true"
Option "ZAxisMapping" "4 5"
EndSection

Section "Device"
Identifier "NVIDIA Corporation NVIDIA Default Card"
Driver "nvidia"
BusID "PCI:5:0:0"
EndSection

Section "Monitor"
Identifier "MFM-HT95"
Option "DPMS"
HorizSync 28-86
VertRefresh 48-75
EndSection

Section "Screen"
Identifier "Default Screen"
Device "NVIDIA Corporation NVIDIA Default Card"
Monitor "MFM-HT95"
DefaultDepth 24
SubSection "Display"
Depth 1
Modes "1280x1024" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 4
Modes "1280x1024" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 8
Modes "1280x1024" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 15
Modes "1280x1024" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 16
Modes "1280x1024" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 24
Modes "1280x1024" "1024x768" "800x600" "640x480"
EndSubSection
EndSection

Section "ServerLayout"
Identifier "Default Layout"
Screen "Default Screen"
InputDevice "Generic Keyboard"
InputDevice "Configured Mouse"
EndSection

Section "DRI"
Mode 0666
EndSection

j'ai un peu peur de modifier tout ca. que dois je faire pour que ma carte
graphique soit reconnue normalement et que je puisse en tirer pleinement
parti?
bien cordialement,

Matthieu

=_Part_148068_1487989.1147986003702
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bonsoir a tous,<br>
<br>
j'ai un petit soucis d'acceleration graphique.<br>
je travaille sur une ubuntu 5.1<br>
mon noyau est 2.6.12-10-k7 avec les resticted modules correspondants.<br>
un #cat /proc/cpuinfo me retourne ca<br>
<blockquote><div class="incqbox"><p>processor&nbsp; &nbsp; &nbsp; &nbsp;:=
0<br>vendor_id&nbsp; &nbsp; &nbsp; &nbsp;: AuthenticAMD<br>cpu family&nbsp=
; &nbsp; &nbsp; : 15<br>model&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;: 47<=
br>model name&nbsp; &nbsp; &nbsp; : AMD Athlon(tm) 64 Processor 3800+<br>st=
epping&nbsp; &nbsp; &nbsp; &nbsp; : 0<br>cpu MHz&nbsp; &nbsp; &nbsp; &nbsp;=
&nbsp;:
2412.102<br>cache size&nbsp; &nbsp; &nbsp; : 512 KB<br>fdiv_bug&nbsp; &nbsp=
; &nbsp; &nbsp; : no<br>hlt_bug&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;: no<br>f0=
0f_bug&nbsp; &nbsp; &nbsp; &nbsp; : no<br>coma_bug&nbsp; &nbsp; &nbsp; &nbs=
p; : no<br>fpu&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;: yes<br>fpu_=
exception&nbsp; &nbsp;: yes<br>cpuid level&nbsp; &nbsp; &nbsp;: 1<br>wp&nbs=
p; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; : yes
<br>flags&nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;: fpu vme de pse tsc msr pae mce cx8 apic=
sep mtrr pge mca
cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt lm
3dnowext 3dnow&nbsp; pni<br>bogomips&nbsp; &nbsp; &nbsp; &nbsp; : 4767.74</=
p></div></blockquote>
<p>pour
ce qui est de ma carte graphique, c'est une gigabyte GeForce 7800 GTX
avec sli et 256 DDR. le chipset est un chipset Nvidia.<br><br>voila pour le=
s informations.<br><br>Maintenant j'ai voulu tester les performances de ma =
carte graphique et de mon accelaration 3D avec glxgears.<br>seulement cela =
me retourne
<br></p>
<blockquote><div class="incqbox"><p>Xlib:&nbsp; extension &quot;GLX&quot;=
missing on display &quot;:0.0&quot;.<br>Error: couldn't get an RGB, Double=
-buffered visual</p></div></blockquote>
<p>si
j'ai bien compris, etant tres amateur dans les interfaces graphiques
sous linux, il fallait que j'ai dans la configuration de xorg.conf le
module glx chargé.<br>c'est le cas.<br>voici le contenu de mon xorg.conf<=
br></p>
<blockquote><div class="incqbox"><p>Section &quot;Files&quot;<br>&nbsp; &=
nbsp; &nbsp; &nbsp; FontPath&nbsp; &nbsp; &nbsp; &nbsp; &quot;/usr/share/X1=
1/fonts/misc&quot;<br>&nbsp; &nbsp; &nbsp; &nbsp; FontPath&nbsp; &nbsp; &nb=
sp; &nbsp; &quot;/usr/share/X11/fonts/cyrillic&quot;<br>&nbsp; &nbsp; &nbsp=
; &nbsp; FontPath&nbsp; &nbsp; &nbsp; &nbsp; &quot;/usr/share/X11/fonts/100=
dpi/:unscaled&quot;
<br>&nbsp; &nbsp; &nbsp; &nbsp; FontPath&nbsp; &nbsp; &nbsp; &nbsp; &quot;/=
usr/share/X11/fonts/75dpi/:unscaled&quot;<br>&nbsp; &nbsp; &nbsp; &nbsp; Fo=
ntPath&nbsp; &nbsp; &nbsp; &nbsp; &quot;/usr/share/X11/fonts/Type1&quot;<br=
>&nbsp; &nbsp; &nbsp; &nbsp; FontPath&nbsp; &nbsp; &nbsp; &nbsp; &quot;/usr=
/share/X11/fonts/CID&quot;<br>&nbsp; &nbsp; &nbsp; &nbsp; FontPath&nbsp; &n=
bsp; &nbsp; &nbsp; &quot;/usr/share/X11/fonts/100dpi&quot;
<br>&nbsp; &nbsp; &nbsp; &nbsp; FontPath&nbsp; &nbsp; &nbsp; &nbsp; &quot;/=
usr/share/X11/fonts/75dpi&quot;<br>&nbsp; &nbsp; &nbsp; &nbsp; # paths to d=
efoma fonts<br>&nbsp; &nbsp; &nbsp; &nbsp; FontPath&nbsp; &nbsp; &nbsp; &nb=
sp; &quot;/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType&quot;<br>&nbsp; =
&nbsp; &nbsp; &nbsp; FontPath&nbsp; &nbsp; &nbsp; &nbsp; &quot;/var/lib/def=
oma/x-
ttcidfont-conf.d/dirs/CID&quot;<br>EndSection<br><br>Section &quot;Module&q=
uot;<br>&nbsp; &nbsp; &nbsp; &nbsp; Load&nbsp; &nbsp; &quot;GLcore&quot;<br=
>&nbsp; &nbsp; &nbsp; &nbsp; Load&nbsp; &nbsp; &quot;bitmap&quot;<br>&nbsp;=
&nbsp; &nbsp; &nbsp; Load&nbsp; &nbsp; &quot;ddc&quot;<br>&nbsp; &nbsp; &n=
bsp; &nbsp; Load&nbsp; &nbsp; &quot;dri&quot;
<br>&nbsp; &nbsp; &nbsp; &nbsp; Load&nbsp; &nbsp; &quot;extmod&quot;<br>&nb=
sp; &nbsp; &nbsp; &nbsp; Load&nbsp; &nbsp; &quot;freetype&quot;<br>&nbsp; &=
nbsp; &nbsp; &nbsp; Load&nbsp; &nbsp; &quot;glx&quot;<br>&nbsp; &nbsp; &nbs=
p; &nbsp; Load&nbsp; &nbsp; &quot;int10&quot;<br>&nbsp; &nbsp; &nbsp; &nbsp=
; Load&nbsp; &nbsp; &quot;type1&quot;<br>&nbsp; &nbsp; &nbsp; &nbsp; Load&n=
bsp; &nbsp; &quot;vbe&quot;
<br>EndSection<br><br>Section &quot;InputDevice&quot;<br>&nbsp; &nbsp; &nbs=
p; &nbsp; Identifier&nbsp; &nbsp; &nbsp; &quot;Generic Keyboard&quot;<br>&n=
bsp; &nbsp; &nbsp; &nbsp; Driver&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &quot;kb=
d&quot;<br>&nbsp; &nbsp; &nbsp; &nbsp; Option&nbsp; &nbsp; &nbsp; &nbsp; &n=
bsp; &quot;CoreKeyboard&quot;<br>&nbsp; &nbsp; &nbsp; &nbsp; Option&nbsp; &=
nbsp; &nbsp; &nbsp; &nbsp; &quot;XkbRules&quot;&nbsp; &nbsp; &nbsp; &quot;x=
org&quot;
<br>&nbsp; &nbsp; &nbsp; &nbsp; Option&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &q=
uot;XkbModel&quot;&nbsp; &nbsp; &nbsp; &quot;pc105&quot;<br>&nbsp; &nbsp; &=
nbsp; &nbsp; Option&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &quot;XkbLayout&quot;=
&nbsp; &nbsp; &nbsp;&quot;fr&quot;<br>&nbsp; &nbsp; &nbsp; &nbsp; Option&nb=
sp; &nbsp; &nbsp; &nbsp; &nbsp; &quot;XkbVariant&quot;&nbsp; &nbsp; &quot;l=
atin9&quot;<br>EndSection
<br><br>Section &quot;InputDevice&quot;<br>&nbsp; &nbsp; &nbsp; &nbsp; Iden=
tifier&nbsp; &nbsp; &nbsp; &quot;Configured Mouse&quot;<br>&nbsp; &nbsp; &n=
bsp; &nbsp; Driver&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &quot;mouse&quot;<br>&=
nbsp; &nbsp; &nbsp; &nbsp; Option&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &quot;C=
orePointer&quot;<br>&nbsp;
&nbsp; &nbsp; &nbsp; Option&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&quot;Device&quot;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&quot;/dev/input/mice&quot;<br>&nbsp; &nbsp; &nbsp; &nbsp; Option&nbsp; &nb=
sp;
&nbsp; &nbsp; &nbsp; &quot;Protocol&quot;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &quot;ImPS/2&quot;<br>&nbsp; &nbsp; &nbsp; &nbsp; Option&nbsp=
; &nbsp; &nbsp; &nbsp; &nbsp; &quot;Emulate3Buttons&quot;&nbsp; &nbsp; &nbs=
p; &nbsp;&quot;true&quot;<br>&nbsp; &nbsp; &nbsp; &nbsp; Option&nbsp; &nbsp=
; &nbsp; &nbsp; &nbsp; &quot;ZAxisMapping&quot;&nbsp; &nbsp; &nbsp; &nbsp; =
&nbsp; &quot;4 5&quot;<br>EndSection<br><br>Section &quot;Device&quot;
<br>&nbsp; &nbsp; &nbsp; &nbsp; Identifier&nbsp; &nbsp; &nbsp; &quot;NVIDIA=
Corporation NVIDIA Default Card&quot;<br>&nbsp; &nbsp; &nbsp; &nbsp; Drive=
r&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &quot;nvidia&quot;<br>&nbsp; &nbsp; &nb=
sp; &nbsp; BusID&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&quot;PCI:5:0:0&qu=
ot;<br>EndSection<br><br>Section &quot;Monitor&quot;
<br>&nbsp; &nbsp; &nbsp; &nbsp; Identifier&nbsp; &nbsp; &nbsp; &quot;MFM-HT=
95&quot;<br>&nbsp; &nbsp; &nbsp; &nbsp; Option&nbsp; &nbsp; &nbsp; &nbsp; &=
nbsp; &quot;DPMS&quot;<br>&nbsp; &nbsp; &nbsp; &nbsp; HorizSync&nbsp; &nbsp=
; &nbsp; &nbsp;28-86<br>&nbsp; &nbsp; &nbsp; &nbsp; VertRefresh&nbsp; &nbsp=
; &nbsp;48-75<br>EndSection<br><br>Section &quot;Screen&quot;<br>&nbsp; &nb=
sp; &nbsp; &nbsp; Identifier&nbsp; &nbsp; &nbsp; &quot;Default Screen&quot;
<br>&nbsp; &nbsp; &nbsp; &nbsp; Device&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &q=
uot;NVIDIA Corporation NVIDIA Default Card&quot;<br>&nbsp; &nbsp; &nbsp; &n=
bsp; Monitor&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&quot;MFM-HT95&quot;<br>&nbsp=
; &nbsp; &nbsp; &nbsp; DefaultDepth&nbsp; &nbsp; 24<br>&nbsp; &nbsp; &nbsp;=
&nbsp; SubSection &quot;Display&quot;<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp=
; &nbsp; &nbsp; &nbsp; Depth&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;1
<br>&nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Modes&nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp;&quot;1280x1024&quot; &quot;1024x768&quot; &quot=
;800x600&quot; &quot;640x480&quot;<br>&nbsp; &nbsp; &nbsp; &nbsp; EndSubSec=
tion<br>&nbsp; &nbsp; &nbsp; &nbsp; SubSection &quot;Display&quot;<br>&nbsp=
; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Depth&nbsp; &nbsp; &nbsp=
; &nbsp; &nbsp; &nbsp;4<br>&nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Modes&nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp;&quot;1280x1024&quot; &quot;1024x768&quot; &quot=
;800x600&quot; &quot;640x480&quot;<br>&nbsp; &nbsp; &nbsp; &nbsp; EndSubSec=
tion<br>&nbsp; &nbsp; &nbsp; &nbsp; SubSection &quot;Display&quot;<br>&nbsp=
; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Depth&nbsp; &nbsp; &nbsp=
; &nbsp; &nbsp; &nbsp;8<br>&nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Modes&nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp;&quot;1280x1024&quot; &quot;1024x768&quot; &quot=
;800x600&quot; &quot;640x480&quot;<br>&nbsp; &nbsp; &nbsp; &nbsp; EndSubSec=
tion<br>&nbsp; &nbsp; &nbsp; &nbsp; SubSection &quot;Display&quot;<br>&nbsp=
; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Depth&nbsp; &nbsp; &nbsp=
; &nbsp; &nbsp; &nbsp;15<br>&nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Modes&nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp;&quot;1280x1024&quot; &quot;1024x768&quot; &quot=
;800x600&quot; &quot;640x480&quot;<br>&nbsp; &nbsp; &nbsp; &nbsp; EndSubSec=
tion<br>&nbsp; &nbsp; &nbsp; &nbsp; SubSection &quot;Display&quot;<br>&nbsp=
; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Depth&nbsp; &nbsp; &nbsp=
; &nbsp; &nbsp; &nbsp;16<br>&nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Modes&nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp;&quot;1280x1024&quot; &quot;1024x768&quot; &quot=
;800x600&quot; &quot;640x480&quot;<br>&nbsp; &nbsp; &nbsp; &nbsp; EndSubSec=
tion<br>&nbsp; &nbsp; &nbsp; &nbsp; SubSection &quot;Display&quot;<br>&nbsp=
; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Depth&nbsp; &nbsp; &nbsp=
; &nbsp; &nbsp; &nbsp;24<br>&nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Modes&nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp;&quot;1280x1024&quot; &quot;1024x768&quot; &quot=
;800x600&quot; &quot;640x480&quot;<br>&nbsp; &nbsp; &nbsp; &nbsp; EndSubSec=
tion<br>EndSection<br><br>Section &quot;ServerLayout&quot;<br>&nbsp; &nbsp;=
&nbsp; &nbsp; Identifier&nbsp; &nbsp; &nbsp; &quot;Default Layout&quot;
<br>&nbsp; &nbsp; &nbsp; &nbsp; Screen&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &q=
uot;Default Screen&quot;<br>&nbsp; &nbsp; &nbsp; &nbsp; InputDevice&nbsp; &=
nbsp; &nbsp;&quot;Generic Keyboard&quot;<br>&nbsp; &nbsp; &nbsp; &nbsp; Inp=
utDevice&nbsp; &nbsp; &nbsp;&quot;Configured Mouse&quot;<br>EndSection<br><=
br>Section &quot;DRI&quot;<br>&nbsp; &nbsp; &nbsp; &nbsp; Mode&nbsp; &nbsp;=
0666
<br>EndSection</p></div></blockquote>
<p>j'ai
un peu peur de modifier tout ca. que dois je faire pour que ma carte
graphique soit reconnue normalement et que je puisse en tirer
pleinement parti?<br>bien cordialement,<br><br>Matthieu</p>

=_Part_148068_1487989.1147986003702--


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