Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1449560
Title:
Cannot login with Nvidia Optimus hardware installed(Ubuntu 15.04)
Status in xserver-xorg-video-intel package in Ubuntu:
Confirmed
Bug description:
I have Nvidia Optimus GT415M hardware on my laptop.
I've upgraded my Ubuntu 14.10 where everything was working fine with
Nvidia Optimus to Ubuntu 15.04 and now I cannot login. After I type
the password login screen comes back again.
I did complete reinstall of NVidia packages and installed new
nvidia-346 package from Ubuntu repo.
Looking at Xorg.0.log I see this message:
[ 120.353] (EE) intel(G1): [drm] failed to set drm interface version:
Permission denied [13].
[ 120.353] (II) intel(G1): [drm] Contents of
'/sys/kernel/debug/dri/0/clients':
[ 120.353] (II) intel(G1): [drm] a dev pid uid magic
[ 120.354] (II) intel(G1): [drm]
[ 120.354] (II) intel(G1): [drm] y 0 2996 0 0
[ 120.354] (II) intel(G1): [drm] y 0 2996 0 0
[ 120.354] (EE) intel(G1): Failed to claim DRM device.
And I have found thread regarding this problem on
https://devtalk.nvidia.com/default/topic/816599/prime-switching-to-
nvidia-creates-black-screen/. So looks like hardware similar to mine
need a new version of xserver-xorg-video-intel.
Could you please help with this.
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