Re: [SLUG] X performance degredation with new video card

From: Paul M Foster (paulf@quillandmouse.com)
Date: Sun Feb 14 2010 - 09:36:42 EST


On Sun, Feb 14, 2010 at 04:33:07AM -0500, blee2@tampabay.rr.com wrote:

> When I first setup my current system a few years ago, I thought the
> on-board video card only supported 640x480 VGA graphics. I mooched a
> PCI/PCIX video card from my roommate and set everything up for that.
>
> Well, something happened to that card, and now it hangs for a long time
> at boot before snowcrashing. After numerous reboots, waits, and
> attempts at modifying the cooling flow, I gave up on the card and
> switched to the on-board at 10 PM so I could have SOMETHING for the
> night.
>
> It turns out the onboard is a decent chipset, apparently an ATI RAGE 128,
> and supports much higher resolutions than I realized. 1280x1024.
>
> I used `X -configure` to generate a new xorg.conf which I've been using.
> I made tweaks to the modelines to get the resolution right. The only
> other obvious differences are what modules it loads.
>
> But, now I've got new issues. The color depth still isn't satisafactory
> (it's set to 24, but all the darks just blob together) and there are
> problems with mplayer.
>
> Mplayer video is very choppy and I can't adjust playback contrast like
> I could before, but I can still do brightness but it doesn't work as well.
> Overall, skin tones are orange.
>
> I modified the xorg.conf to load the extra modules, but no joy.
>
> top is showing both xorg and mplayer at or near 100%.
>
> I use twm as my window manager, but just tried in gnome with the same
> result.
>
> I don't even know what direction to look at the moment.
> Any ideas?

Look to the driver X is using for that card. My information is probably
old, but X has a history of not playing well with ATI, I believe because
ATI has been reluctant to release their card specs.

Paul

-- 
Paul M. Foster
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