Xorg configuration fails on G4 Powermac

Alex Deucher alexdeucher at gmail.com
Fri Oct 8 12:28:09 PDT 2010


On Fri, Oct 8, 2010 at 2:44 PM, Super Biscuit <super_bisquit at yahoo.com> wrote:
>
> I'd like for it to be noted that the cards aren't working properly. The Open Firmware"BIOS" path is incomplete. This has been noted on the freebsd-x11 and xorg mailing lists along with the freebsd ppc mailing list.
> I have tried all options offered to me with none working.
> please let me knw which individuals that I need to file a bug report- or multiple bug reports to- on these mailing lists.
> Thank you.

OF needs to init both cards for them to be usable by X.  For now
you'll probably only have luck with whichever card OF initialized.

Alex

>
> --- On Fri, 10/8/10, Peter Jeremy <peterjeremy at acm.org> wrote:
>
> From: Peter Jeremy <peterjeremy at acm.org>
> Subject: Re: Xorg configuration fails on G4 Powermac
> To: "Super Biscuit" <super_bisquit at yahoo.com>
> Cc: freebsd-x11 at freebsd.org, xorg at freedesktop.org
> Date: Friday, October 8, 2010, 2:07 AM
>
> On 2010-Oct-07 06:03:10 -0700, Super Biscuit <super_bisquit at yahoo.com> wrote:
> >I've tried the xorg.conf.new with both the options you suggested and Denise suggested. Same results: no detection for mga g400/450, blank screen for radeon.
> >I'm curious as to whether or not I need to add the horiz and vert values to the monitor section.
>
> Can I suggest adding a "Virtual 1280 1024" (sized appropriately) to
> each 'SubSection "Display"' of each 'Section "Screen"'.  I ran into
> some wierd problems with multiple screens and found that the virtual
> size isn't correctly initialised unless it's explicitly specified.
>
> That said, I suspect that the underlying problem is:
> >(WW) VGA arbiter: cannot open kernel arbiter, no multi-card support
>
> ISTR, there is no longer any support for multiple video cards in
> FreeBSD - I believe Xorg7.4 relies on external functionality that
> FreeBSD doesn't have.  Can you try removing one of the
> screen/device/monitor sections and see if it works?
>
> --
> Peter Jeremy
>
> -----Inline Attachment Follows-----
>
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