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

[Manuel Bilderbeek]

Hi,

On 07-10-15 14:07, Andreas Beckmann wrote:
> Instead of just applying this "workaround" everywhere, can we try to dig
> into this?
>
> Did you upgrade any xorg packages at the same time or were you running
> xserver-xorg-core 2:1.17.2-1.1 successfully with 340.93-3?

This is what was upgraded:

Aptitude 0.7.2: log report
di, okt  6 2015 17:25:43 +0200

IMPORTANT: this log only lists intended actions; actions which fail due to
dpkg problems may not be completed.

Will install 23 packages, and remove 0 packages.
393 kB of disk space will be used
===============================================================================
[UPGRADE] gnome-applets:amd64 3.16.1-3 -> 3.18.0-1
[UPGRADE] gnome-applets-data:amd64 3.16.1-3 -> 3.18.0-1
[UPGRADE] gnome-video-effects:amd64 0.4.1-2 -> 0.4.1-3
[UPGRADE] libaa1:amd64 1.4p5-43 -> 1.4p5-44
[UPGRADE] libaio1:amd64 0.3.110-1 -> 0.3.110-2
[UPGRADE] libbabeltrace-ctf1:amd64 1.2.4-1 -> 1.2.4-3
[UPGRADE] libbabeltrace1:amd64 1.2.4-1 -> 1.2.4-3
[UPGRADE] libegl1-nvidia:amd64 340.93-1 -> 340.93-3
[UPGRADE] libgl1-nvidia-glx:amd64 340.93-1 -> 340.93-3
[UPGRADE] libgles1-nvidia:amd64 340.93-1 -> 340.93-3
[UPGRADE] libgles2-nvidia:amd64 340.93-1 -> 340.93-3
[UPGRADE] libgnutls-deb0-28:amd64 3.3.17-1 -> 3.3.18-1
[UPGRADE] libgnutls-openssl27:amd64 3.3.17-1 -> 3.3.18-1
[UPGRADE] libmodule-pluggable-perl:amd64 5.1-2 -> 5.2-1
[UPGRADE] libnvidia-eglcore:amd64 340.93-1 -> 340.93-3
[UPGRADE] libnvidia-ml1:amd64 340.93-1 -> 340.93-3
[UPGRADE] nvidia-alternative:amd64 340.93-1 -> 340.93-3
[UPGRADE] nvidia-driver:amd64 340.93-1 -> 340.93-3
[UPGRADE] nvidia-driver-bin:amd64 340.93-1 -> 340.93-3
[UPGRADE] nvidia-kernel-dkms:amd64 340.93-1 -> 340.93-3
[UPGRADE] nvidia-vdpau-driver:amd64 340.93-1 -> 340.93-3
[UPGRADE] os-prober:amd64 1.66 -> 1.67
[UPGRADE] xserver-xorg-video-nvidia:amd64 340.93-1 -> 340.93-3
===============================================================================

Log complete.

> what happens if you replace /etc/nvidia/nvidia-modprobe.conf
> with this content (what we had in 340.93-1, keep a copy of the current
> file) and *do not add Debian-gdm to the video group* for this test:

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!

-- 
Grtjs, Manuel

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