Public bug reported:
On my laptop, Dell m3800, the default resolution 3200x1800 makes
everything unreadable, so I need to keep the resolution lower, i.e.,
1920x1080. Everything worked fine in Kubuntu 15.04. After the upgrade to
Kubuntu 15.10, if I turn the resolution to 1920x1080 (or any lower
resolution than the default one), the screen starts to flickering often
(with the default resolution 3200x1800 this does not happen).
I tried to turn off compositing, using Xrender, etc. nothing seems to
work.
OpenGL vendor string: Intel Open Source Technology Center
OpenGL renderer string: Mesa DRI Intel(R) Haswell Mobile
OpenGL version string: 3.0 Mesa 11.0.2
OpenGL shading language version string: 1.30
Driver: Intel
GPU class: Haswell
OpenGL version: 3.0
GLSL version: 1.30
Mesa version: 11.0.2
X server version: 1.17.2
Linux kernel version: 4.2
Requires strict binding: yes
GLSL shaders: yes
Texture NPOT support: yes
Virtual Machine: no
** Affects: plasma-desktop (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1514167
Title:
Plasma screen flickering on lower resolutions after upgrade to Kubuntu
15.10
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