Comment # 5 on bug 109628 from Rafał Miłecki

Created attachment 143531 [details]
dmesg from 5.0.0-rc7 with WARNINGs

Thanks Nicholas for looking at this.

I kept running 5.0.0-rc7 for few more days, it seems to be reproducible. I'm
going to switch to the amd-staging-drm-next now. I'll provide an update in a
week or so.