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From: GangGreene on 26 Jan 2010 11:45

When trying to configure my ati graphics card with xorg

Xorg -configure

always finds the vesa driver and never radeon or ati xf86 drivers

When manually setting the driver by changing the xorg.conf file is cannot
load the driver and crashes.

What am I doing wrong?

I am using the generic kernel 2.6.27.7-smp on 32 bit and 2.6.27.27 on
slamd64 both have the same problem.

BTW modprobe agpgart fails as well, since it is in the kernel.config file is
it built into the kernel?

CONFIG_AGP=y
CONFIG_AGP_AMD64=m
CONFIG_AGP_INTEL=m
CONFIG_AGP_SIS=m
CONFIG_AGP_VIA=m

Hints ?





From: Douglas Mayne on 26 Jan 2010 12:19
On Tue, 26 Jan 2010 11:45:47 -0500, GangGreene wrote:

> When trying to configure my ati graphics card with xorg
>
> Xorg -configure
>
> always finds the vesa driver and never radeon or ati xf86 drivers
>
> When manually setting the driver by changing the xorg.conf file is
> cannot load the driver and crashes.
>
> What am I doing wrong?
>
> I am using the generic kernel 2.6.27.7-smp on 32 bit and 2.6.27.27 on
> slamd64 both have the same problem.
>
> BTW modprobe agpgart fails as well, since it is in the kernel.config
> file is it built into the kernel?
>
> CONFIG_AGP=y
> CONFIG_AGP_AMD64=m
> CONFIG_AGP_INTEL=m
> CONFIG_AGP_SIS=m
> CONFIG_AGP_VIA=m
>
> Hints ?
>
Be aware that 12.2 and 13.0 offer substantially different X subsystems.
It seems that you are configuring video according to the method
recommended by 13.0, not as recommended by 12.2. It could be that your
method is an equivalent to the method below, but I am not sure.

There was a change to the video system between 12.2 and 13.0. AFAIK, 12.2
requires an xorg.conf file or it will revert to VESA modes (which are
undesirable, IMO). 12.2's /etc/X11/xorg.conf file is initialized using
the command, xorgsetup. Be aware that the xorg.conf file as generated
will still need some extra tweaking to get it working. For example, when
using old monitors which cannot be queried about the supported refresh
and sync rates, the parameters must be added manually.

BTW, 12.2 had some issues with X that I didn't like. Personally, that is
why I decided to go with 13.0 from now on, despite some different, but
equally annoying video issues.

With 13.0 (in most cases) an xorg.conf is not required; however, I have
seen cases where the hardware appears to freeze up and requires and Alt-
SysReq sequence to reboot. To get around that, I have some success
setting up 13.0's X using the command

# X -configure

After generating that file, it should be inspected and any added
parameters added (such as, HorizSync, VertRefresh, and as necessary).

--
Douglas Mayne
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