On 11/10/11 9:12 AM, Paulo J. Matos wrote:
Hi,
I got a new PC DELL Vostro 360. This is an all-in-one which uses the
Optimus setup. An intel GT1 (Sandybridge) couples with an Nvidia 525m.
Ubuntu out of the box shows a black screen unless I add nomodeset to
kernel options.
One of the things I noticed on a standard start (didn't use nomodeset)
was that kworker was eating my processor away (this is ubuntu 11.10,
kernel 3.0.0-12) but I sorted this out with:
# echo N> /sys/module/drm_kms_helper/parameters/poll
I blacklisted nvidia and nouveau so that my PC wouldn't go crazy with
the optimus setup and restarted and still get a blank screen. Xorg on
the other hand looks fine (from the logs).
So, what I would like it some help in finding why I just get a blank
screen. Can I possibly enable more debug information than that available
in Xorg.0.log by default?
eDP's kind of flaky in some configurations still. Can you attach your
video BIOS so we can see how it's hooked up?
$ sudo dd if=/dev/mem of=/tmp/rom bs=64k skip=12 count=1
- ajax
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