I run a dual seat setup with 2 GPUs. Lightdm launches the 2 X servers, without any need for a xorg.conf Now aticonfig, because I use fglrx drivers, tells me :

No layout section was found in the file: '/etc/X11/xorg.conf'.
Please run 'aticonfig --initial' first or modify your configuration file manually and run aticonfig again.
aticonfig: parsing the command-line failed.

If I run aticonfig --initial it creates a xorg.conf and I can use the aticonfig commands, but at reboot X doesn't launch because of the xorg.conf created which isn't correct for a dual head setup.

what are my options ?


Try deleting the xorg.conf created by aticonfig and create a new one with xorg -configure. This should take the default settings X uses when run without a config file and write them to the default config file.

  • Can you explain why this should help, please? – roaima Sep 8 '15 at 22:39

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