Created attachment 142985 [details]
Journalctl Output re Kernel Bug

Since I upgraded to 4.19 from 4.18 about a 2 weeks, I'm experiencing the same
issue, unfortunately. Sometimes once a day, sometimes several times per day. I
don't always get an entry in syslog so it wasn't clear to me from the start
where the problem lies. I have attached the respective log entry for your
reference. 

I now just upgraded to 4.20 and hope the error won't appear there, too.