Bug#801191: nvidia-driver: gdm3 can't start anymore (acceleration check failed)

[Andreas Beckmann]

On 2015-10-07 14:15, Manuel Bilderbeek wrote:
> OK, I reverted the workaround
> 
>> ===== 8< =====
>> alias nvidia nvidia-current
>> remove nvidia-current rmmod nvidia-uvm nvidia
>> ===== >8 =====
> 
> And when I put this back, everything works as well!

Just to double check: you rebooted after putting back the old
nvidia-modprobe.conf?

Please send the output of these 2 commands:

find /dev/dri* /dev/nvidia* -ls
getent group video

Andreas