help with xorg.conf

[James Strother]

Hi Alan,

Thanks for the info, that fixed the first problem. I had assumed that
Xorg was looking in the config dir listed in the Xorg log, which was
obviously a poor assumption.

Thanks again,
   James


On Wed, Dec 14, 2011 at 8:11 PM, Alan Coopersmith
<alan.coopersmith at oracle.com> wrote:
> On 12/14/11 14:08, James Strother wrote:
>>
>> Problem 1: Unable to access config file at non-default location as
>> non-root
>>
>> -------------------------------------------------------------------------------------------------------------
>> This seems like an extremely simple problem, but I'm stumped.  I have
>> written an alt.conf file, and place it into /etc/X11/xorg.conf.d.  The
>> file exists, is owned by root, and has permissions of 644.  It shows
>> up on ls just fine:
>>
>> $ ls /etc/X11/xorg.conf.d
>> alt.conf
>>
>> But I can't actually get Xorg to find or use that file:
>>
>> $ Xorg :1 -config alt.conf
>
>
> /etc/X11/xorg.conf.d is not the location for alternate configuration files -
> it's used for config file fragments to be used by *ALL* Xorg instances run
> on
> the system.
>
> The xorg.conf man page lists the directories you can put alternate
> configuration
> files in (I just noticed that Xorg(1) man page does not, though it does
> point you off to the xorg.conf man page for the full list).
>
> For instance, for testing, I have a /etc/X11/xorg.conf.dummy config file
> that
> loads the dummy driver, which I can run with Xorg -config xorg.conf.dummy,
> and
> in our OS packages, we ship /usr/lib/X11/xorg.conf.vesa so that the OS
> installer
> can run Xorg -config xorg.conf.vesa when the normal drivers fail on the
> LiveCD
> and the user chooses the VESA mode option from the grub menu instead.
>
>
>> I expected this to connect to the graphics card at PCI:12:0:0 in order
>> to create a one monitor screen.  However, Xorg actually connects to
>> both cards and then only displays on the graphics card at PCI:8:0:0.
>> I have tried setting AutoAddDevices/AutoEnableDevices to false in
>> ServerFlags without success.
>
>
> The AutoAddDevices/AutoEnableDevices flags only apply to input devices
> not video cards.  (I can't explain the rest of your issue here, just
> that bit.)
>
> --
>        -Alan Coopersmith-        alan.coopersmith at oracle.com
>         Oracle Solaris Platform Engineering: X Window System
>