Silicon Motion chip on amd64

[Alex Deucher]

On 10/2/06, Free Ekanayaka <free at agnula.org> wrote:
> |--==> Alex Deucher writes:
>
>   AD> On 10/2/06, Free Ekanayaka <free at 64studio.com> wrote:
>   >>Hi all,
>   >>
>   >>I can't get xorg  working with the  Silicon Motion, Inc. SM720 Lynx3DM
>   >>(rev c1), ID 126f:0720, VGA controller on a debian/etch amd64 system.
>   >>
>   >>Note that the same hardware works fine with etch/i386.
>   >>
>   >>Here is the output of lscpi, the xorg.conf, and Xorg.0.log:
>   >>
>   >>http://people.64studio.com/~free/xorg.conf
>   >>http://people.64studio.com/~free/lspci.output
>   >>http://people.64studio.com/~free/Xorg.0.log
>
>   AD> In your log you seem to be using the vesa driver.
>
> Yes, when trying to use the siliconmotion driver the X server seems to
> start bug hangs half way, and sucks the 99% of the  CPU. The screen is
> completely black and there's no pointer.

Do "NoAccel" or XaaNoCPUToScreenColorExpandFill help?

Alex

>
> Using the vesa driver with i386 works.
>
>   >>
>   >>I've tried both with xserver-xorg  7.0  and 7.1.  Are there any  known
>   >>issues related to this chip?
>   >>
>
>   AD> I don't know of any issues, although I don't have a lynx chip I can
>   AD> test in a non-x86 box.
>
> If you are interested I could  provide you ssh  access to the machine,
> for further debugging.
>
> Thanks,
>
> Free
>
>
>