Comment 0 for bug 1550972

Lenovo Y50 notebook with NVidia Prime profile. Login with unity8 shows black screen. Login with ubuntu works fine.

ProblemType: Crash
DistroRelease: Ubuntu 16.04
Package: unity8 8.11+16.04.20160216.1-0ubuntu1
ProcVersionSignature: Ubuntu 4.4.0-8.23-generic 4.4.2
Uname: Linux 4.4.0-8-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia
ApportVersion: 2.20-0ubuntu3
Architecture: amd64
Date: Sun Feb 28 19:27:08 2016
ExecutablePath: /usr/bin/unity8-dash
InstallationDate: Installed on 2014-10-02 (514 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
ProcCmdline: unity8-dash --desktop_file_hint=/usr/share/applications/unity8-dash.desktop
ProcEnviron:
 LANGUAGE=hu
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=hu_HU.UTF-8
 SHELL=/bin/bash
Signal: 11
SourcePackage: unity8
StacktraceTop:
 glGetString () from /usr/lib/nvidia-340-updates/libGL.so.1
 QOpenGLContext::makeCurrent(QSurface*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
 ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
 ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
 start_thread (arg=0x7f1e26dc9700) at pthread_create.c:333
Title: unity8-dash crashed with SIGSEGV in glGetString()
UpgradeStatus: Upgraded to xenial on 2016-02-21 (7 days ago)
UserGroups: adm cdrom dip docker lpadmin plugdev sambashare sudo