GRAPHIQUE: pointeur de souris invisible avec fglrx

Bonjour,
je suis sous debian Jessie, et j’utilise les drivers fglrx (du paquet fglrx-driver), lorsque je démarre lightdm, le curseur de la souris est invisible (la souris peut quand même être utilisée mais je dois l’utiliser “à l’aveugle”). Cela n’arrive que quand j’utilise la carte graphique performante (radeon HD 7670M), lorsque j’utilise la carte intel, le curseur est visible mais j’ai des erreurs de segmentation lorsque je veux utiliser openGL (est-ce que c’est lié?)

Voila le retour de lspci | grep VGA:

00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) 01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Thames [Radeon HD 7500M/7600M Series] (rev ff)

de uname -r

mon xorg.conf:

[code]Section "ServerLayout"
Identifier "aticonfig Layout"
Screen 0 “aticonfig-Screen[0]-0” 0 0
EndSection

Section "Module"
EndSection

Section "Monitor"
Identifier "aticonfig-Monitor[0]-0"
Option “VendorName” "ATI Proprietary Driver"
Option “ModelName” "Generic Autodetecting Monitor"
Option “DPMS” "true"
EndSection

Section "Device"
Identifier "aticonfig-Device[0]-0"
Driver "fglrx"
BusID "PCI:1:0:0"
EndSection

Section "Screen"
Identifier "aticonfig-Screen[0]-0"
Device "aticonfig-Device[0]-0"
Monitor "aticonfig-Monitor[0]-0"
DefaultDepth 24
SubSection "Display"
Viewport 0 0
Depth 24
EndSubSection
EndSection
[/code]

les parties pertinentes de mon /var/log/Xorg.0.log (lorsque j’utilise la carte intel)

[ 3894.700] (WW) The directory "/usr/share/fonts/X11/cyrillic" does not exist. [ 3894.731] (WW) Falling back to old probe method for fglrx [ 3894.756] (WW) fglrx(0): board is an unknown third party board, chipset is supported [ 3894.920] (WW) fglrx(0): Option "VendorName" is not used [ 3894.920] (WW) fglrx(0): Option "ModelName" is not used [ 3894.742] (EE) Screen 1 deleted because of no matching config section. [ 3894.956] (EE) GLX error: Can not get required symbols.

et avec la carte amd:

[ 5972.023] (WW) The directory "/usr/share/fonts/X11/cyrillic" does not exist. [ 5972.057] (WW) Falling back to old probe method for fglrx [ 5972.084] (WW) fglrx(0): board is an unknown third party board, chipset is supported [ 5972.112] (WW) fglrx(0): Option "VendorName" is not used [ 5972.112] (WW) fglrx(0): Option "ModelName" is not used [ 5972.112] (WW) fglrx(0): Option "Shadow" is not used [ 5972.112] (WW) fglrx(0): Option "Tiling" is not used [ 5972.112] (WW) fglrx(0): Option "LinearFramebuffer" is not used [ 5972.137] (WW) fglrx(0): Option "VendorName" is not used [ 5972.137] (WW) fglrx(0): Option "ModelName" is not used [ 5972.137] (WW) fglrx(0): Option "Shadow" is not used [ 5972.137] (WW) fglrx(0): Option "Tiling" is not used [ 5972.137] (WW) fglrx(0): Option "LinearFramebuffer" is not used [ 5972.069] (EE) Screen 1 deleted because of no matching config section.

Que puis-je faire pour régler mon problème?

Merci d’avance