[fritsch]

https://paste.ubuntu.com/26334303/

Code:

sudo apt-get -f install
Lecture des listes de paquets... Fait
Construction de l'arbre des dépendances       
Lecture des informations d'état... Fait
0 mis à jour, 0 nouvellement installés, 0 à enlever et 0 non mis à jour.

Nothing to do

Code:

export LIBVA_DRIVER_NAME=i965
DISPLAY=:0 vainfo
libva info: VA-API version 0.40.0
libva info: va_getDriverName() returns -1
libva info: User requested driver 'i965'
libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/i965_drv_video.so
libva info: Found init function __vaDriverInit_0_39
libva error: /usr/lib/x86_64-linux-gnu/dri/i965_drv_video.so init failed
libva info: va_openDriver() returns -1
vaInitialize failed with error code -1 (unknown libva error),exit

 Something is definitely wrong with your setup. You don't use encrypted LVM /home by chance do you? See my reply above to export the driver name to match i965