I have not had this problem but the last two Radeon-fglrx installations have 
been problematic.   Most times reboots would result in X failing and the system 
dropping to runlevel 3.  When it succeeded, windows would ghost when dragged 
across the desktop.

I have decided to give up on radeon/fglrx.  I fixed one of them with an nvidia 
710 and I just ordered another one to fix the other.

On 03/31/2016 01:18 PM, Stephen Isard wrote:
I have a Dell Optiplex 980 with a Radeon HD 6450 card which was working fine 
with the elrepo fglrx-x11-drv and kmod-fglrx packages until I recently upgraded 
to kernel 2.6.32-573.12.1.el6.x86_64 and fglrx versions 15.12-1.  Now when I 
move a window on the screen, the content isn't erased from the old location, 
leaving a trail of ghosts behind.
This happens with more than one window manager (fvwm, icewm, fluxbox), so I 
think its an X problem, rather than a window manager bug.

The guys at elrepo were very responsive, but they didn't have the problem on 
their own machines, and it's not really their software - it is closed source 
from ATI - and they have run out of guesses for what to try.  I have tried 
installing ATI's own rpm and that behaves the same way.  I've filed a bug on 
the unofficial ATI bugzilla, but don't have great hopes there.  I'm wondering 
whether anyone here has ever seen symptoms like these.  Using the radeon driver 
gets me a mostly usable system, but there is some stuff that says it won't work 
without glx.

Stephen Isard

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