Bug#476575: i855: no VGA output unless VGA connected at boot

[Brice Goglin <Brice.Goglin@ens-lyon.org>]

On Fri, Apr 18, 2008 at 01:19:32AM +0100, Will Thompson wrote:
> On 17/04/08 19:13, Brice Goglin wrote:
> >>     Screen 0: minimum 320 x 200, current 1680 x 1050, maximum 2048 x 2048
> >>     VGA connected 1680x1050+0+0 (normal left inverted right x axis y axis) 473mm x 296mm
> >>        1680x1050      60.0*+
> >>   
> > 
> > Is this the exact mode supported by your monitor?
> 
> Yes; it is a TFT panel, and this is its native resolution.
> 
> > Can you compare the
> > Modeline issued in Xorg.0.log for this resolution and refresh when
> > booting with VGA plugged (i.e. when 1680x1050@60 works) and when booting
> > without and plugging VGA later (i.e. when 1680x1050@60 does not work)?
> 
> Having booted without VGA, plugging it in later (so the external screen
> does not work), these are the lines of Xorg.0.log mentioning 1680 (with
> some context):

Does intel 2.3.1 help?

Brice