Dual Head using Intel driver

Alan Hourihane alanh at fairlite.demon.co.uk
Thu Jun 19 00:25:51 PDT 2008

That's a question for the Asianux people.


On Thu, 2008-06-19 at 10:39 +0530, Rudradev AC wrote:
> Hi Alan,
> I am using Asianux Server 3 distribution.
> The Xorg release provided by Asianux Server 3 is X11R 7.1.
> This distribution provides few drivers whose .so will be placed in
> /usr/lib/xorg/modules/drivers.
> The .so for i810 is i810_drv.so and for intel is intel_drv.so.
> The source code for both driver (i810 and intel) is provided by Asianux
> server 3 in a single RPM named xorg-x11-drv-i810-1.6.5-9.2.1AX.src.rpm
> I have not downloaded any driver code or binary from intel website. But
> the Asianux Server 3 distribution provides intel_drv.so. Please let me
> know is this the same intel driver you are talking about (in which
> extended desktop is not possible). I am confused since I achieved the
> extended and expanded mode using this intel driver provided by Asianux
> Server 3 distribution.
> Please let me know, what is the difference between i810 and intel driver
> provided by Asianux Server 3. My understanding is that the driver named
> intel is provided by intel and i810 is provided by xorg. Please correct
> my understanding.
> Also please let me know some more details about the intel driver you are
> talking about that can be used with X11R 7.1.
> Thanks,
> Rudradev AC
> -----Original Message-----
> From: Alan Hourihane [mailto:alanh at fairlite.demon.co.uk] 
> Sent: Wednesday, June 18, 2008 1:04 PM
> To: Rudradev AC
> Cc: simos.lists at googlemail.com; xorg list; Deepak Bhatia; Ashish Jain
> Subject: RE: Dual Head using Intel driver
> On Wed, 2008-06-18 at 10:08 +0530, Rudradev AC wrote:
> > Hi Alan / Simos,
> > 
> > Sorry to bother you again, please help me.
> > 
> > The Xorg release I am using is X11R 7.1, and I am bound to that.
> > 
> > Please let me know using RandR version 1.1 and Intel driver can we
> > achieve extended desktop. I tried, but RandR version 1.1 does not have
> > output option. Sorry, I am restricted to RandR version 1.1, I am not
> > allowed to upgrade RandR package.
> It won't work. The "intel" driver needs X11R7.3 or later because of the
> reliance on XRandR 1.2.
> > Also as i810 driver worked with xinerama option, in the same way can
> > Intel driver support extended desktop. I don't think so, but want to
> > confirm.
> That's exactly what happens and how it works. The i810 driver uses
> Xinerama for extended desktop, whereas XRandR 1.2 no longer requires
> Xinerama to achieve extended desktop.
> > I am trying for extended desktop with the same xorg.conf file which
> > worked with i810 driver, just by changing the Driver field from i810
> to
> > intel(with xinerama option). 
> You can't just change the driver - again it won't work. The "intel"
> driver expects X11R7.3.
> > Still trying with few modification in xorg.conf hoping for extended
> > desktop to work using X11R 7.1 release packages.
> For X11R7.1 uses i810 and Xinerama - plain and simple.
> Alan.
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