screen blanking problem with radeon 9250 card

[Alex Deucher]

On 4/14/06, Steve Lord <lord at xfs.org> wrote:
>
> Hi,
>
> I am running an AGP radeon 9250 based card via DVI to a flat panel
> monitor. The first card I tried would not work without disabling
> acceleration with
>
>         Option "NoAccel" "true"
>
> With it the screen would blank continually.
>
> A replacement card is working with acceleration, but I am still seeing
> occasional times when the screen will go black for 2 or 3 seconds and
> then come back again. I have tried all sorts of combinations of options
> in the Device section of the config file.
>
> I am running on Fedora Core 5, all this used to work with the pre 7.0
> xwindows version.
>
> Any pointers on things I can do to get a stable system back - short of
> reverting to a previous X release?

https://bugs.freedesktop.org/show_bug.cgi?id=2859

try adjusting the TMDS PLL values or using cvt modes.


Alex

>
> Right now my device config looks like this:
>
> Section "Device"
>          Identifier  "Videocard0"
>          Driver      "radeon"
>          VendorName  "Videocard vendor"
>          BoardName   "ATI Technologies Inc RV280 [Radeon 9200 PRO]"
> #       Option      "AccelMethod" "EXA"
>          Option      "DDCMode" "on"
> #       Option      "EnablePageFlip" "on"
> #       Option      "AGPMode" "4"
>          Option      "DisplayPriority" "BIOS"
> EndSection
>
> xserver log file attached (assuming the list lets that through)
>
> Steve
>
>
>