(In reply to Stefan Dirsch from comment #19) > (In reply to Michael Hirmke from comment #17) > > I already deleted my local copy, but from the contents shown in your next > > comment it seems to be my file, yes. > > Well, I referred in my comment#16 to Xorg.0.log.old from comment #5. Seems > drm.debug=0x1e has not been set (only log_buf_len=1M) , so dmesg.log would > be rather useless anyway. I will check, whether I can also find > 1131752-dmes.log. Thanks for the pointer to our documentation > about how to upload files to our ftp server! :-) you're welcome :)) > > (In reply to Michael Hirmke from comment #18) > > > > Xorg.log.old > > > > > > > [ 56198.420] (EE) modeset(0): failed to set mode: Invalid argument > > > This reminds me to boo#1129027 > > > > This doesn't look promising - as you wrote there, the problem was never > > addressed. > > We fixed it in our kernel. In the long-term it should also be addressed in > the modesetting X driver though. Therefore the bug is still open. I'm just > not sure, whether this issue has also been fixed upstream and in our TW > kernel (bug is against Leap 15.1) ... Uh, in this case it would be great if it hasn't been fixed in the Tumbleweed kernel yet :) Should I install the 15.1 kernel and test with this one? Or the kernel from the kernel stable repo?