[Bug 97578] Radeon HD 5450 suddenly blanks screen or shows old content

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97578

--- Comment #14 from Michel Dänzer <michel at daenzer.net> ---
(In reply to Markus Näher from comment #13)
> How do I set it in xorg.conf.d ?

You don't. :) xorg.conf.d is for system configuration snippets, users should
always use /etc/X11/xorg.conf directly. Something like this should do:

Section "Device"
        Identifier      "default"
        Driver          "radeon"
        Option          "AccelMethod" "glamor"
EndSection


> Disabling compositing seems to help. No occurrences so far today.

Can you attach screenshots of all XFCE settings tabs containing any compositing
related settings?

--- Comment #15 from Markus Näher <markus.naeher at gmx.net> ---
Well ... I asked about xorg.conf.d because there is no xorg.conf on my PC's. As
far as I understand, this means my X server is autoconfigured except a few
things in my xorg.conf.d. Currenntly, it's only keyboard settings and dual
screen positions (DVI-1 right of DVI-0).

I'm trying your proposed settings as soon as my current long running job is
done. It runs in a GUI app, so I can't even restart X.

About the radeon-git package ... as I said, it is flagged as outdated, but I
found out it's even worse ... the maintainer abandoned it. So I'm afraid I
won't be able to install the git version.
But I have another idea: I was lucky to find a cheap used Radeon HD 7750 with
passive cooling, so one of my two PC's does not have the problem anymore, and
one of the 5450's is now left over.
As your name looks like it could be german (and hopefully you live in europe),
I could send you the left 5450 via mail.
This could be easier (for both of us) than you advising me how to test and
possibly debug.

If that's OK for you, you can contact me via the EMail link on my name and give
me your postal address.

I promise not to bother you :-)

Another interesting thing; When I re-enabled the compositor for making the
screenshot of the settings, the issue showed up immediately.

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