[Bug 1064] Dualhead does not work

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https://bugs.freedesktop.org/show_bug.cgi?id=1064        
   




------- Additional Comments From bonbons67@internet.lu  2005-01-09 08:19 -------
Created an attachment (id=1646)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=1646&action=view)
My xorg.conffollowed by Xorg.0.log

For me DualHead does not work either on my i855 laptop (AcerTM662, vBIOS
Montana-GM 2965 as mentionned in System BIOS, no vBIOS update available).
Linux distributoin: Gentoo
Xorg version: 2.8.1.901 (6.8.2 RC 1), Gentoo ebuild
(Same result with 6.8.0 Gentoo ebuild)

I did try the Device configs #3, but those gave the same results (see logfile).
It always fails when I try to use both	pipes (A and B). I can get it to work
with CRT & LFP on same Pipe (MonitorLayout LFP+CRT), but not with both on
different pipes.

I permanently get the same error:
(WW) I810(0): Extended BIOS function 0x5f64 failed.
(WW) I810(0): SetDisplayDevices call failed, writing config directly to SWF0.
(EE) I810(0): Failed to switch to monitor configuration (0x801)
(EE) I810(0): Please check the devices specified in your MonitorLayout
(EE) I810(0): is configured correctly.

i855crt (http://i855crt.sourceforge.net/) seems to be able to activate the
second pipe.

The use of 855resolution by Alain Poirier has no effect on this (tried with and
without 855resoluation)        
   
   
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