An unofficial (and unacceptable) fix that finally worked for me was to
switch to Linux Mint 17.1.
It is based on Ubuntu 14.04 LTS, so I wonder what they did better, particularly
because they seem to be using exactly the same X org and graphics driver
versions.
X.org 1.15.1
Nvidia:
Any updates? This issue is driving me crazy.
A few days ago I had a talk at Cassandra Summit and this bug almost
ruined my presentation - it was not possible to use my laptop with an
external wide-screen projector through HDMI, somehow the screen
distortion problem happened always and I was not
http://askubuntu.com/questions/557149/14-10-dual-monitors-are-displayed-
as-distorted-single-screen-mode
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https://bugs.launchpad.net/bugs/1382462
Title:
Desktop/windows painted
Installing Nvidia 340.46 driver does not fix the problem (and adds one
more - incorrect rendering of menu highlight - but this driver is not
officially supported by ubuntu yet, so never mind).
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Yesterday evening I updated the kernel to 3.16.0-23-generic (tpogether
with all the other updates) and the problem still exists.
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https://bugs.launchpad.net/bugs/1382462
Title:
Public bug reported:
My setup: Dell M4600 laptop with Dell U3011 2560x1600 monitor attached
to DisplayPort.
I was using Nvidia 331.38 prioprietary driver for quite a long time with
Ubuntu 14.04 LTS and everything worked perfectly. Today I upgraded to
Ubuntu 14.10, which comes with Nvidia 331.89
** Attachment added: After starting a session and opening a few windows
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1382462/+attachment/4238845/+files/DSC_0029.JPG
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** Attachment added: Windows, which normally were placed in one of the
screens, now are placed partially on both
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1382462/+attachment/4238846/+files/DSC_0030.JPG
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** Attachment added: The same windows immediately after undocking the laptop,
see how aspect ratio on the builtin screen changed
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1382462/+attachment/4238849/+files/DSC_0031.JPG
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** Description changed:
My setup: Dell M4600 laptop with Dell U3011 2560x1600 monitor attached
to DisplayPort.
I was using Nvidia 331.38 prioprietary driver for quite a long time with
Ubuntu 14.04 LTS and everything worked perfectly. Today I upgraded to
Ubuntu 14.10, which comes with
** Description changed:
My setup: Dell M4600 laptop with Dell U3011 2560x1600 monitor attached
to DisplayPort.
I was using Nvidia 331.38 prioprietary driver for quite a long time with
Ubuntu 14.04 LTS and everything worked perfectly. Today I upgraded to
Ubuntu 14.10, which comes with
** Attachment added: Display config as seen by Nvidia-settings (when working
correctly)
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1382462/+attachment/4238972/+files/Screenshot%20from%202014-10-17%2015%3A34%3A18.png
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** Description changed:
My setup: Dell M4600 laptop with Dell U3011 2560x1600 monitor attached
to DisplayPort.
I was using Nvidia 331.38 prioprietary driver for quite a long time with
Ubuntu 14.04 LTS and everything worked perfectly. Today I upgraded to
Ubuntu 14.10, which comes with
By clicking and dragging at the desktop, I found another interesting
observation:
Mouse clicks are translated in the following way:
* Y coordinate is always correct.
* X coordinate is only correct if I click on the right edge of U3011 display -
then it is mapped to the right edge of the U3011
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