Getting Dual screen setups to work with ATI Radeon Cards and (K)Ubuntu Gutsy Gibbon
This was quite the sore topic for me,  which has turned me off of ATI once and for all.  But I got it working and wanted to share my findings with the community

So . . .

What I did, was to download the driver from ATI. Then build a package for gutsy (I renamed the download because it was too long to type and I am lazy):

  • sudo ./ati-driver-8.42.3.run --buildpkg Ubuntu/gutsy

Then you can install the .deb packages:

  • sudo dpkg -i xorg-driver-fglrx_8.42.3-1_i386.deb fglrx*.deb

You're not done yet. The above will install the xorg driver, but not the kernel module. It seems that I had to do that myself.  This is contained in the fglrx-kernel-source package that you installed above.

cd into /usr/src, and run

  • sudo tar xvfj fglrx.tar.bz2

This will create a modules directory. cd into modules/fglrx and run the make.sh. this will build the fglrx kernel module.  

  • cd /usr/src/modules
  • sudo ./make.sh

If all is built well, you should have a module called fglrx.ko. Copy this into /lib/modules/<your kernel version>/volatile/.

  • sudo cp fglrx.ko /usr/src/2.6.22-14-generic/volatile/

Run depmod to make the kernel happy, then you can load it and restart kdm.

  • depmod -a
  • modprobe fglrx
  • /etc/init.d/kdm restart

You can run amdcccle to set the dual screen and the resolution should be whatever the monitors are capable of.
 


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