Created attachment 797922 [details]
dmes.log with 5.0.0-rc8-1.g4ddf057-vanilla - from Kernel:HEAD/standard
Also tried the last update 5.0.0-rc8-1.g4ddf057-vanilla
Sadly this version has an additional breakage over 5.0-rc7 :(
DRI_PRIME=1 glxinfo <-- hangs