[Bug 1240122] Re: After log in the geometry of the widgets and windows are shown rotated.

[Konstantinos Koukos]

After upgrade to Kubuntu 13.10 there was a pure crash in kwin which finally led in finding the source of the bug and solving it.
Related descussion about kwin crash created by this:

https://bugs.kde.org/show_bug.cgi?id=326321

The problem is created by loading the wrong libGL.so.1 in a system with
bumblebee and dual graphics cards (Intel HD 3000 and nvidia NVS 4200M).
When this version of libGL.so.1 => /usr/lib/nvidia-304/libGL.so.1
(detected using ldd `which kwin`| grep libGL) is used as primary it
creates this problem in the graphics which in later version leads to a
kwin crash or restricts compositing to XRenderer. For more information
and debugging trace please read the above link.

How to reproduce the bug:
In an optimus capable laptop loading kwin with /usr/lib/nvidia-3**/libGL.so.1 instead of the mesa should show a similar screen in Kubuntu 13.04 or even crash in a later distribution (13.10). /* ln -s /usr/lib/nvidia-3**/libGL.so.1 /usr/lib/libGL.so.1 */

Solution:
Create a link for libGL.so.1 pointing to /usr/lib/x86_64-linux-gnu/mesa/libGL.so.1 instead of the nvidia path (and similar for lib32). Tested only in Kubuntu 13.10 under 304, 313, 319 version of nvidia driver.

** Bug watch added: KDE Bug Tracking System #326321
   https://bugs.kde.org/show_bug.cgi?id=326321

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https://bugs.launchpad.net/bugs/1240122

Title:
  After log in the geometry of the widgets and windows are shown
  rotated.

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