hybrid-graphics-linux team mailing list archive

[Peter Garrone <pgarrone@xxxxxxxxxxxxxxx>]

With my problem, xrandr and system->settings->displays always found whatever was plugged into the port,
and I think /var/log/Xorg.0.log showed the EDID of the display I was trying to connect to,
as long as the display was connected when X started.
The desktop always fired up on the unseen display, and I had to use the workspace selector to move
modal popup applications where I could see them.

I would suggest checking the /etc/xorg.conf as well as xorg.0.log to make sure that configuration
is not the issue. If modified, try reverting to the original distribution file, and use xrandr to
modify graphical behavior. In fact on my distribution, xorg.conf does not appear to exist.

If you can, see if it works with the original operating system to ensure that hardware is not the issue.

Beyond that, the intel_reg_dumper tool can read hardware registers, and these are documented at
http://intellinuxgraphics.org/ But you have to be fairly keen to go that far.

On Sun, Jun 10, 2012 at 02:38:16PM -0500, Andres Ussa Caycedo wrote:
> And what if the HDMI port doesn't even appear in xrandr? This is a
> post in Debian Forums talking about my problem, any suggestion?
> 
> http://forums.debian.net/viewtopic.php?f=6&t=80106
> 
> 
> On 06/10/2012 03:25 AM, Peter Garrone wrote:
> >Apologies to all, especially Michael.
> >It is not a software problem, rather a loose cable.
> >Using the same cable to connect a DVD player it worked fine.
> >But stretching it 5 meters to my laptop appears to cause it to disconnect one of its pins,
> >or possibly noise. The display is always recognised by the laptop.
> >Pushing the head one way and the body another way causes the display to recognize the laptop,
> >after that it works fine.
> >
> >On Sat, Jun 09, 2012 at 03:39:03PM +1000, Peter Garrone wrote:
> >>Hi,
> >>I am running ubuntu 12.04 LTS with latest packages all software including bumblebee.
> >>The laptop is an asus n53sv
> >>
> >>If a HDMI display is plugged in, it can work, but mostly does not.
> >>If a sony monitor is plugged in immediately after the grub menu, then the monitor displays either on boot
> >>or after a disconnect/reconnect/redisplay cycle.
> >>A panasonic plasma TV did work, once, but now does not.
> >>
> >>HDMI displays are always detected by the software, either xrandr or settings/displays, when activated, with correct resolutions
> >>in displays.
> >>
> >>Any ideas on this welcome,
> >>Peter Garrone
> >>
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> 
> 
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