https://bugs.freedesktop.org/show_bug.cgi?id=105684
--- Comment #45 from Michel Dänzer michel@daenzer.net --- (In reply to Jörn Frenzel from comment #44)
the issue seems to persist in Debian 9 with kernel 4.19.0-0.bpo.4-amd64.
The dmesg you attached looks like a different issue, please file your own report.