You have been subscribed to a public bug:
Don't know what's happening and what is responsible. I've installed
Xubuntu 14.04 32bit. I'm working on 4 desktops (2 of them have Chromium
with few Thunar and gedit and the other 2 have full screen emacs) and
sometime when I do something in Chronium everything disappear and some
part of the screen show current desktop and some show youtube video I
was watching in the morning.
I have ATI Radeon based laptop, default installation not properitary
drivers (when I search for them I got message that it didn't found any).
I read that my video card is supported by default drivers. lspci show:
01:05.0 VGA compatible controller: Advanced Micro Devices, Inc.
[AMD/ATI] RS880M [Mobility Radeon HD 4225/4250]
For me it look like corrupted video memory that show different data
(saved when I watch youtube). Maybe it's drivers fault. I'm able to fix
the issue for a while when I click show desktop icon. Don't know what's
triggering this, sometime it look like everything is working fine.
Before 14.04 I had 13.04 64bit version and everything was working fine,
didn't have enough space to upgrade. But back then I had ATI catalysis
drivers.
** Affects: xorg (Ubuntu)
Importance: Low
Status: Incomplete
** Tags: trusty xubuntu
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Screen disappear and show chunks from memory
https://bugs.launchpad.net/bugs/1333676
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