[Intel-gfx] fbcon issues oh hd4000

[Fabio Coatti]

2013/5/10 Daniel Vetter <daniel.vetter at ffwll.ch>:
> 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.
>

Thanks for the hint, will do :)

>> 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 ;-)
>

ouch.

>> 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.

OK, tested with 3.9.1 and it fails. Bug report underway, as suggested.

Many thanks for the quick and useful answer!


-- 
Fabio