i915 dual head woes

Pierre Willenbrock pierre at pirsoft.de
Mon Apr 28 04:53:44 PDT 2008


Richard Lynch schrieb:
> On Sun, April 27, 2008 4:56 am, Jin, Gordon wrote:
>> Richard Lynch wrote on Saturday, April 26, 2008 10:32 AM:
>>> 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...
>>>
>>> It's WORSE!
>>>
>>> Before, I had a working setup for just the LFP.
>>> And a working setup that would drive the external monitor, but send
>>> the LFP into black screen of death hibernation, which NOTHING would
>>> wake up.
>>>
>>> So if I ever wanted to quit Xorg, I'd have to cold-power-off the
>>> laptop. :-(
>>>
>>> Using the same .conf I now get...
>>> Nothing.
>>> The external monitor is kind enough to inform me via the built-in
>>> on-screen-display that something is trying to run it at 640x480 @
>>> 67Hz.
>>>
>>> Other than that, I've got a doorstop.
>>>
>>> :-(
>>>
>>> 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 should write xorg.conf with ONE device and ONE screen. You can
>> refer
>> to http://www.intellinuxgraphics.org/dualhead.html and try both the
>> dynamic and static setup.
> 
> Okay.
> 
> The dynamic setup doesn't do anything, since there's only one
> device/screen/monitor recognized by xrandr:
> lynch at localhost ~ $ xrandr -q
>  SZ:    Pixels          Physical       Refresh
> *0    800 x 600    ( 383mm x 302mm )  *75
>  1    640 x 480    ( 383mm x 302mm )   75
>  2    800 x 1200   ( 383mm x 302mm )   75
> Current rotation - normal
> Current reflection - none
> Rotations possible - normal left inverted right
> Reflections possible - none
> lynch at localhost ~ $
> 

this looks like an older version of xrandr. you need
 >=x11-apps/xrandr-1.2
 >=x11-libs/libXrandr-1.2

then, xrandr -v should show something like

Server reports RandR version 1.2

> I had higher sizes with different settings in xorg.conf, but nothing
> is making this other monitor show up...
> 
> The static setup also does nothing useful so far...
> 
> Log and conf files with intellinuxgraphics in their names here:
> http://l-i-e.com/xorg/
> 
> I really hate booting into windows to get decent screen real estate at
> my home desk :-(
> 




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