[CentOS] Video troubles after 7.5 upgrade using CR repo

[Pierre Emerald]

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 at microlinux.fr>:

> 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 at 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 at 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
>
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