Bug#801097: [nvidia-graphics-drivers] SDDM shows only Black screen after Update NVIDIA Driver to 340.93-3

[Leo]

On 06.10.2015 12:52, Andreas Beckmann wrote:
> That very much sounds like https://bugs.debian.org/799948
>
> Which version of glx-alternative-nvidia do you have installed?
>
>
> Andreas
>
Hello Andreas

Here the Version:
dpkg -l glx-alternative-nvidia
...
glx-alternative-nvidia 0.5.1 amd64

Here the ID:
id sddm
uid=133(sddm) gid=150(sddm) Gruppen=150(sddm)

And here an Log:
/var/log/syslog
Oct  6 11:22:37 debian sddm[3891]: Running display setup script 
"/usr/share/sddm/scripts/Xsetup"
Oct  6 11:22:37 debian sddm[3891]: Display server started.
Oct  6 11:22:37 debian sddm[3891]: Socket server starting...
Oct  6 11:22:37 debian sddm[3891]: Socket server started.
Oct  6 11:22:37 debian sddm[3891]: Greeter starting...
Oct  6 11:22:37 debian sddm[3891]: Adding cookie to 
"/var/run/sddm/{bf57626c-6fd1-4fee-855a-117f4b904dd7}"
Oct  6 11:22:37 debian sddm-helper[3958]: [PAM] Starting...
Oct  6 11:22:37 debian sddm-helper[3958]: [PAM] Authenticating...
Oct  6 11:22:37 debian sddm-helper[3958]: [PAM] returning.
Oct  6 11:22:37 debian systemd[1]: Started Session 22 of user sddm.
Oct  6 11:22:37 debian sddm[3891]: Greeter session started successfully
Oct  6 11:22:37 debian sddm-greeter[3962]: Reading from 
"/usr/share/xsessions/plasma.desktop"
Oct  6 11:22:37 debian sddm-greeter[3962]: Reading from 
"/usr/share/xsessions/failsafe.desktop"
Oct  6 11:22:37 debian sddm-greeter[3962]: Connected to the daemon.
Oct  6 11:22:37 debian sddm[3891]: Message received from greeter: Connect
Oct  6 11:22:37 debian sddm-greeter[3962]: Message received from daemon: 
Capabilities
Oct  6 11:22:37 debian sddm-greeter[3962]: Message received from daemon: 
HostName
Oct  6 11:22:37 debian sddm-greeter[3962]: Failed to create OpenGL 
context for format QSurfaceFormat(version 2.0, options QFlags(), 
depthBufferSize 24, redBufferSiz
e -1, greenBufferSize -1, blueBufferSize -1, alphaBufferSize -1, 
stencilBufferSize 8, samples -1, swapBehavior 2, swapInterval 1, profile  0)
Oct  6 11:22:37 debian sddm-helper[3958]: [PAM] Ended.
Oct  6 11:22:37 debian sddm[3891]: Auth: sddm-helper exited successfully
Oct  6 11:22:37 debian sddm[3891]: Greeter stopped.

I hope it helps

Björn