Well, the backtrace seems somewhat improbable my best guess right now is
that prime somehow messes with dbus (which would be weird but hey).
The crash appears to not be caused by anything rational though:
if (kcminitSignals) {
connect( kcminitSignals, SIGNAL(phase2Done()), SLOT(kcmPhase2Done()));
kcminitSignals is a dbusinterface, it will be null if the interface is
invalid after creation, or if kcminitSignals was deleted. so really
there is no reason for it to crash there. at all.
Lacking understanding of how exactly a different gpu can cause this I'll
move the bug to prime, perhaps someone more knowledable has ideas. To me
it seems very random to the point that it may be a symptom of a
completely different problem.
** Package changed: kde-workspace (Ubuntu) => nvidia-prime (Ubuntu)
** Changed in: nvidia-prime (Ubuntu)
Status: Incomplete => New
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to nvidia-prime in Ubuntu.
https://bugs.launchpad.net/bugs/1291526
Title:
could not start ksmserver with nvidia-prime at next login
Status in “nvidia-prime” package in Ubuntu:
New
Bug description:
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)
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