i915 dual head woes

Jesse Barnes jbarnes at virtuousgeek.org
Sat Apr 26 17:00:05 PDT 2008

On Friday, April 25, 2008 7:31 pm Richard Lynch wrote:
> Gear:
> Sony VGN TXN 17P laptop
> HP L1940T external LCD/CRT
> Back story:
> http://www.phpbootcamp.com/articles/vgn_txn17p.htm
> (rather long, I'm afraid...)
> So I finally managed to get the latest kernel (for gentoo at least)
> and latest xorg emerged and the i915 driver finally installed...

I assume you have the latest Intel X driver too?

> The only "weird" thing that leaps out at me is that both displays try
> to use pipe B, and neither one seems willing to use pipe B.  Is that
> normal?...
> Can anybody who actually understands this stuff look at a .conf and
> .log and give me some idea what to try next?
> http://l-i-e.com/xorg/

You have an old style config file.  With the new driver, you'll need to update 
it to use randr style monitor configuration.  See 
http://www.intellinuxgraphics.org/dualhead.html and the man page for details.


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