And I would like to know what is the difference between Raden DDR and
SDR from the software view point.
[EMAIL PROTECTED] wrote:
>
> I am the one who reported this issue on dri-users mailing list as John X
> says. This problem is that DRI works perfectly except that many 'random
> dots" appear on the screen and they flash as other portion of the screen
> refresh. The DRIsetup program and glxinfo say DRI is correctly set
> up. I had no problem with G200 with the same configuration. I have
> this problem with Radeon SDR 32MB. I am using Pentium II 333MB with
> 440LX chip set, but as John X uses K7 and KT133, chip sets doesn't
> matter, I think. I use RedHat7.0 with DRI libraries, includes, Xserver
> and kernel module on XFree 4.0.2. Previously I used Debian2.2r2.
> After that, I found some strange phenomena.
> After the random dots appear, on the screen are full of random dots,
> which seem to be mismapped from other dots. Many of the dots are
> aligned vertically (probably every 32dots horizontally), and some are
> really random. After exiting X Window, even characters are mismapped;
> I mean some characters are missing. Even after removing kernel module
> with "rmmod radeon", it isn't improved (of course lsmod says no modules
> are loaded). As a matter of course, if I don't load kernel module
> radeon.o, Xserver works fine except that glx direct rendering is off as
> a matter of course.
> So I guess some registers in the Radeon chip which map dots to memory
> are incorrectly set in DRI kernel module. I don't have any problem on
> Windows98SE with OpenGL or DirectX 7/8 applications, so DRI kernel
> module must be wrong.
> Unfortunately I don't know how to correct this bug in the source
> code. Comparing codes for Radeon with that for MGA, I cannot find any
> clues, although MGA G200 works fine on my machine. Will anyone help
> me? Any help would be appreciated.
>
> Thanks in advance.
> --
> Tetsuji Rai (in Tokyo) http://www.geocities.com/tetsuji_rai
> Fax +1-708-570-4868 Voicemail +1-917-477-3033
>
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--
Tetsuji Rai (in Tokyo) http://www.geocities.com/tetsuji_rai
Fax +1-708-570-4868 Voicemail +1-917-477-3033
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