Hi, I had the same kind of problem after upgrade with xfce, weird screen artefacts etc I just uninstalled compton and installed it again. Fixed it. You can give a try. 2018年5月10日(木) 11:37 Nicolas Kovacs <info@xxxxxxxxxxxxx>: > Hi, > > Our desktop clients are running CentOS 7 with the Xfce desktop from > EPEL. The CR repository is enabled. A few days ago I launched an update, > which brought in close to 1 GB of packages. > > I had some weird problems on two clients. One is an old Dell Optiplex > 330 with a legacy video card. > > [root@cybermule:/] # lspci | grep -i vga > > 01:05.0 VGA compatible controller: Advanced Micro Devices, Inc. > [AMD/ATI] RC410 [Radeon Xpress 200/1100] > > After the update, X wouldn't start anymore, and there was no way to make > it behave. I had to reinstall everything and disable the CR repo (or > more precisely not enable it in the first place). After this, things > went back to normal. > > On another desktop client, a more recent Dell Optiplex 780, this is what > the video card looks like. > > [root@littlesister:/] # lspci | grep -i vga > > 00:02.0 VGA compatible controller: Intel Corporation 4 Series Chipset > Integrated Graphics Controller (rev 03) > > On this machine I have some weird screen artefacts. When opening a > window - any window - there is a sort of a black flash. Meaning the > window is a black square, and then the content appears. > > Plus, on LibreOffice, when doing things like modifying tabs in a > document, the tab lines are persistent all over the screen. Very ugly, > and the secretary complains about not being able to work correctly. > > Any idea what's happening here? Until now, CentOS 7 never gave me this > sort of headaches. > > Cheers, > > Niki > > -- > Microlinux - Solutions informatiques durables > 7, place de l'église - 30730 Montpezat > Site : https://www.microlinux.fr > Blog : https://blog.microlinux.fr > Mail : info@xxxxxxxxxxxxx > Tél. : 04 66 63 10 32 > _______________________________________________ > CentOS mailing list > CentOS@xxxxxxxxxx > https://lists.centos.org/mailman/listinfo/centos > _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx https://lists.centos.org/mailman/listinfo/centos