Intel Sandybridge graphics support?

[Matthew Dillon]

Try using xrandr to specifically activate LVDS1.  'man xrandr' for more
information but it will be something like 'xrandr --output LVDS1 --auto'.

You will want to do your commands via an ssh session so you can see the
output.  Make sure that the session can talk to the running X server (might
require setting up the DISPLAY env variable once you ssh in).

-Matt

On Sun, Feb 22, 2015 at 9:14 AM, Baurzhan Muftakhidinov <
baurthefirst at gmail.com> wrote:

> On Sun, Feb 22, 2015 at 1:19 AM, Francois Tigeot <ftigeot at wolfpond.org>
> wrote:
> > On Sat, Feb 21, 2015 at 07:29:24AM +0500, Baurzhan Muftakhidinov wrote:
> >>
> >> 1) pciconf -lv: http://pastebin.com/AWy7aKba
> >> 2) dmesg:      http://pastebin.com/A93MURPa
> >> 3) Xorg.0.log: http://pastebin.com/JjV9Fgtb
> >>
> > These lines from Xorg.0.log tell us what is going on:
> >
> > [   118.699] (II) intel(0): Output LVDS1 disconnected
> > [   118.699] (II) intel(0): Output DP1 disconnected
> > [   118.699] (II) intel(0): Output DP2 disconnected
> > [   118.699] (II) intel(0): Output HDMI1 disconnected
> > [   118.699] (II) intel(0): Output HDMI2 disconnected
> > [   118.699] (II) intel(0): Output VGA1 disconnected
> > [   118.699] (II) intel(0): Output VIRTUAL1 disconnected
> > [   118.699] (WW) intel(0): No outputs definitely connected, trying
> again...
> > [   118.699] (II) intel(0): Output LVDS1 disconnected
> > [   118.699] (II) intel(0): Output DP1 disconnected
> > [   118.699] (II) intel(0): Output DP2 disconnected
> > [   118.699] (II) intel(0): Output HDMI1 disconnected
> > [   118.699] (II) intel(0): Output HDMI2 disconnected
> > [   118.699] (II) intel(0): Output VGA1 disconnected
> > [   118.699] (II) intel(0): Output VIRTUAL1 disconnected
> > [   118.699] (WW) intel(0): Unable to find connected outputs - setting
> 1024x768 initial framebuffer
> >
> > Xorg doesn't find a screen on any of the graphic connectors. Now why it
> > is doing that on this particular laptop, I have no idea.
>
> Me neither, googling on this topic didn't reveal much. Setting driver
> to VESA helps,
> so is that xf86-video-intel's issue?
>
> > It is in theory possible to force a specific graphic mode on the
> particular
> > output you know your screen is connected to with xrandr.
> >
> > You could try calling it from .xinitrc
>
> You mean, in .xinitrc I should first call xrandr and then startxfce4
> (or similar)?
>
> > I have also updated the drm/i915 driver to Linux 3.11 on -master; the new
> > version could have more luck with your hardware.
>
> I just did try it out - still the same.
>
> Thanks for your help,
>
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