[Intel-gfx] Regression: Screen goes black on KMS

[Cedric Sodhi]

On Fri, Nov 04, 2011 at 09:45:26PM -0700, Keith Packard wrote:
> On Fri, 4 Nov 2011 23:28:07 +0100, Cedric Sodhi <manday at gmx.net> wrote:
> Non-text part: multipart/mixed
> > Hello,
> > 
> > between 3.1 and cc03bbf1 on linux-next there has been a regression which
> > causes the screen to go black (not blank, backlight is still lit) on
> > KMS. The system runs fine in the background and, to all it seems, X even
> > starts, but the screen is black and useless.
> 
> Please create a bugzilla entry on bugs.freedesktop.org that includes a
> dmesg capture in working/not-working modes with drm.debug=6, and a dump
> From intel_reg_dumper in both working and not-working modes. That'll
> show how the device is mis-programmed, and with luck, show us where it
> went wrong.

https://bugs.freedesktop.org/show_bug.cgi?id=42616

Thank you.