With a new kernel, mind grabbing a dmesg with drm.debug=0x1e nouveau.debug=debug (or maybe even =trace)? Maybe also see if fbcon/fbdev have any debug things that can be turned on?
Sounds like things are generally working, just the fbcon -> nouveaufb path seems somehow buggered. Another thing to try would be nouveau.atomic=1 On Fri, Nov 17, 2017 at 9:26 AM, Ondrej Zary <li...@rainbow-software.org> wrote: > Hello, > I've just been hit by this old bug which is still present in 4.14: > https://bugs.freedesktop.org/show_bug.cgi?id=80675 > > On MCP79 (ION), when stolen memory is set to 32MB in BIOS, console is blank > but X11 works. When the stolen memory is increased to 64MB, console works > fine. > > Bisected it to this: > > 4f6029da58ba9204c98e33f4f3737fe085c87a6f is the first bad commit > commit 4f6029da58ba9204c98e33f4f3737fe085c87a6f > Author: Ben Skeggs <bske...@redhat.com> > Date: Fri Nov 16 11:54:31 2012 +1000 > > drm/nv50-nvc0: switch to common disp impl, removing previous version > > Signed-off-by: Ben Skeggs <bske...@redhat.com> > > It's a big change so I'm not able to do more debugging. > > -- > Ondrej Zary
