You have been subscribed to a public bug:
Steps to reproduce:
Install nvidia-prime,
select nvidia card using prime-select nvidia,
connect external monitor and try to change the resolution,
log out and log back in,
Could not start ksmserver message pops up.
Works fine with ubuntu, must be a KDE related bug.
The problem is not present when using the intel card.
This bug has been present in 13.10, too.
baloo@LeW-O-Laptop:~$ dpkg -l | grep nvidia
ii nvidia-331 331.49-0ubuntu1~xedgers14.04.3
amd64 NVIDIA binary driver - version 331.49
ii nvidia-libopencl1-331 331.49-0ubuntu1~xedgers14.04.3
amd64 NVIDIA OpenCL Driver and ICD Loader library
ii nvidia-opencl-icd-331 331.49-0ubuntu1~xedgers14.04.3
amd64 NVIDIA OpenCL ICD
ii nvidia-prime 0.6
amd64 Tools to enable NVIDIA's Prime
ii nvidia-settings 331.38-0ubuntu1~xedgers~trusty1
amd64 Tool for configuring the NVIDIA graphics driver
I'm on a Dell N7110.
lsb_release -rd
Description: Ubuntu Trusty Tahr (development branch)
Release: 14.04
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: kdebase-workspace (not installed)
ProcVersionSignature: Ubuntu 3.13.0-17.37-generic 3.13.6
Uname: Linux 3.13.0-17-generic x86_64
ApportVersion: 2.13.3-0ubuntu1
Architecture: amd64
CurrentDesktop: KDE
Date: Wed Mar 12 18:57:25 2014
InstallationDate: Installed on 2014-03-11 (1 days ago)
InstallationMedia: Kubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140311)
SourcePackage: kde-workspace
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: nvidia-prime (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug trusty
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could not start ksmserver with nvidia-prime at next login
https://bugs.launchpad.net/bugs/1291526
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