Re: banked graphics modes not supported

[Christopher Stone]

On Monday 27 November 2000 05:08 pm, you wrote:
> On Mon, Nov 27, 2000 at 03:23:11PM -0500, Christopher Stone wrote:
> > On Monday 27 November 2000 06:28 am, you wrote:
> > > Christopher Stone wrote:
> > > > Hi, I upgraded my machine and now for some reason when I try to run
> > > > xmame in DGA mode I get the following error message:
> > > >
> > > > banked graphics modes not supported
> > > >
> > > > and it exits.
> > > >
> > > > xf86ctx.bank_size = 65536
> > > > xf86ctx.ram_size = 2048
> > > >
> > > > If anyone has any idea how to fix this please let me know.
> > >
> > > This means that for some reason your graphics card isn't supported in
> > > linear framebuffer mode.
> > >
> > > Are you running it with a vesa framebuffer and xfb by any chance?
> >
> > Well, im not sure, this is the same video card i have used in my old
> > computer, all that has changed is a faster motherboard and cpu.  However,
> > I also had to change my XF86Config file to have option "nolinear" in
> > order for X to run without crashing.  Im thinking my video card is just
> > too old for todays hardware (S3 generic), I will search around the
> > internet and see if I can find a solution.
>
> The S3 card is fine for modern XFree86. The problem (IIRC) is that
> the S3 PCI handling is broken on the card such that it reports the
> wrong memory addresses to the PCI bios. As a result the memory the
> card maps into PCI address space overlaps with other PCI devices.
>
> Ok... just checked and here's the relevant bit from README.S3
>
>     One shortcoming worth noting is that this driver
>     does not yet contain the work-around for some
>     S3 PCI BIOSs that report their memory usage
>     incorrectly.  This can result in conflicting
>     address spaces.  If this is the case on your
>     hardware you should run XF86_S3 once and write
>     down the address that your card is relocated to
>     (as printed out in the server output).  Then you
>     can force the server to use this address with
>     the MemBase field in the XF86Config (see the
>     man page on XF86Config).
>
> Alternatively you just switch on nolinear, like you've done, but I
> seem to remember this is really slow.
> ---------------------------------------------------------------------------
> Send administrative requests to [EMAIL PROTECTED]

I relinked /etc/X11/X to point to /usr/X11R6/bin/XF86_SVGA and then added 
mode lines in my XF86Config file for the SVGA section and this fixed my 
problem and DGA works again for me!  Thanks for everyone's help :)

-- 
Regards,
Chris
---------------------------------------------------------------------------
Send administrative requests to [EMAIL PROTECTED]