Practical boot sequence modifications

Daniel Stone daniel.stone at
Tue Jan 3 01:08:41 GMT 2006

On Tue, Dec 27, 2005 at 06:33:06PM -0500, John Richard Moser wrote:
>  - Configure X properly
>    If you install Ubuntu with a Radeon, X will have the 'radeon' driver
> used; this is because it detects that i.e. Radeon 9200 is supported by
> the 'radeon' driver with full 3D acceleration.  If you then pull the
> Radeon and switch to a GeForce 2, X will no longer start because Ubuntu
> does not recognize at boot that 'nv' or 'nvidia' needs to be used.
>    There are 2 solutions here.  First, you could have X reconfigured
> each boot on hardware change, as with LiveCDs.  The other solution is to
> submit a patch to the Xorg project to fall back to Vesa on such
> failures-- a solution that may be more robust, as the user can be
> queried for reconfigurations in a graphical environment.  In either
> case, manual tweaks to xorg.conf will likely be lost.

Either that, or just kick a reconfigure on failure, attempt to start an
X server with that, and ask the user if they want to keep the new
configuration if it worked.  Which has been spec'ed out, and floating
around for ages.

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