Comment # 5 on bug 107784 from Michel Dänzer

(In reply to Sylvain BERTRAND from comment #4)
> faulty commit: 019cddc88f9e4ae0de2c76802f7137210c2101aa on
> amd-staging-drm-next

That's a pure merge commit, so it's unlikely to be the one that actually caused
the problem.

Without a plausible bisection result or at least usable backtraces in dmesg, no
progress can be made here.