(In reply to Dieter Nützel from comment #0)
> No one commented on my former bug report
> https://bugs.freedesktop.org/show_bug.cgi?id=108096;-(

That's sad, but no justification for filing a duplicate report.

> No, I can't bisect 'amd-staging-drm-next' 'cause I failed with the several
> merges from git upstream.

You most certainly can. If you share the actual commands you're running and
their output, we may be able to help.

P.S. No need to add me to the CC list, I get bug updates via the mailing lists.

*** This bug has been marked as a duplicate of bug 108096 ***