ubuntu-x-swat team mailing list archive

[Bryce Harrington <bryce@xxxxxxxxxxxxxxxxxxx>]

Ew, that's horrible formatting on the last comment.  Anyway, see `man
xorg.conf` and scroll down to the Device section for more information.

Anyway, it might take some xorg.conf fiddling, but it should work.  You
may want to create two Device sections, one for each card, and then list
the one you want to use in your ServerLayout section.  I don't know if
you need to specify the monitor as well, but perhaps not.

Not sure that xorg is ever going to be able to automatically detect
which of the devices should be desired... at least, not until the kernel
supports monitor load detection.  Meanwhile, I'll leave this bug open in
case we want to put in an extra xorg.conf option to help specify which
of the devices to autoconfigure.  Currently xserver assumes the boot gfx
device is the primary and preferred one to fire up, which unfortunately
in this case means not the nvidia chip.  In a lot of hardware the BIOS
allows you to turn on/off the integrated video card, I guess with this
hardware that option is just not available.

-- 
support graphics card hot switch
https://bugs.launchpad.net/bugs/312756
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