Boris Gjenero composed on 2017-04-05 17:42 (UTC-0400):
My Dell Inspiron 6400 has a ATI x1400 video card and 1680x1050 WSXGA+
display
I suspect it's possible your observations may be characteristic of the whole
X1300-X1950 series of Radeon cards, at least with the FOSS Radeon driver. My
X
My Dell Inspiron 6400 has a ATI x1400 video card and 1680x1050 WSXGA+
display. I have observed this problem in various versions of Ubuntu and
in Android x86. Most recently I observed it in Ubuntu 17.04 Zesty Zapus
with 4.10 kernel.
Sometimes after a mode change, the display becomes unstable. T
