On Fri, May 10, 2013 at 1:26 PM, Fabio Coatti <fabio.coatti at gmail.com> wrote: > Hi Daniel, > I'm contacting you as you are listed as i915 maintainer for linux > kernel and I'm not sure if it is ok to write in mailing lists for this > small issue. _Always_ cc a mailing list, since your maintainer tends to be busy. _Especially_ for small stuff. > I'm having an issue that should be easy to fix, but it turned out to be not :) > > Basically, the issue is the "classical" blank console during boot (it > becomes blank after some messages, when i915 driver kicks in, I guess) > and the screen is resumed when X starts. > (happens with 3.9.1 but also with 3.8.X). > The machine is a i7 3770 / Q77 chipset (HD4000 afaik) > As I said it should be easy to fix, according to all similar solved > issues tha I got googling, but I tried all combinations of kernel > boot parameters that I can think of (i915.modeset=1, video=HDMI-2:D, > fbcon=map:X, and so on); I used i915 as module and compiled in, with > initrd, but no joy so far. > Weird thing, on a different hardware but same family (i5,HD3000) all > works just fine with same kernel options and this command line: That's not the same family, but a different product generation ;-) > console=tty1 fbcon=map:0 i915.modeset=1 > > Of course I'm not asking you to help debugging my installation, But > can you point me to some link, hint or whatever useful in order to > look better at this issue? Sounds like the fbcon mode selection gets something wrong which X gets right. Please retest on the latest upstream kernel and if that still fails please boot with drm.debug=0xe (and no other parameter added) and file a bug report on bugs.freedesktop.org against dri -> drm (intel) with the complete dmesg attached. Thanks, Daniel > Many thanks for any suggestion. > > > -- > Fabio -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch
