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EDIT Aug, 2017: The problem does not occur with the new intel graphics driver integrated in the linux kernel ( dont know the version ), that is integrated in 16.04. I had this problem multiple times with 14.04.

This ( unreadable contents on the X-session ) hapenned to me the second time and I had to kill the X-session to restore a normal X Session. So, perhaps, it would be interesting for me to just know, what actually hapenned here. Please see the two screen shots.

My current configuration is

X-window-mananger: metacity 2.34.13
Desktop Environment: GNOME Shell 3.10.4
Desktop Manager: lightdm 1.10.6

Let me know, if any other details are required to analyse the problem.

Nautilus:

unreadable-content-nautilus-1

Thunderbird:

unreadable-content-thunderbird-2

infoclogged
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2 Answers2

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I have the same problem for about a year and could not find a permanent solution. There is a simple, temporary solution: If you change the "Antialiasing" option of the Fonts to "None", the characters will re-appear. You can use (Unity) Tweak Tool to do so. The next time you log in, you can switch "Antialiasing" to RGBA or Grayscale until you have the same problem.

Erol
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From the command-line a temporary fix is: xfconf-query -c xsettings -p /Xft/Antialias -s 0

Lea
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