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Bug#289338: xserver-xfree86: impossible to setup 1400x1050 mode



Le Sat, 05 May 2007 00:02:50 +0200, Brice Goglin a écrit:
> Hi,
> 
> About 2 years ago, you reported a bug to the Debian BTS regarding the
> 3dfx driver not accepting 1400x1050 resolution. Did you reproduce this
> problem recently? With Xorg/Etch? If not, I will close this bug in the
> next weeks.

This was not easy to check because my tdfx configuration was asleep in a
closet.  Anyway I did a fresh Etch install on it and can report now.

The bug is still here, though I have some news: the "unknown reason" is
still here but there a line just before saying
  "rejecting mode with horizontal resolution 1400 not divisibile by 16 and
   clock 179260 greater than 135000"
(check the joined logs / configs)

Of course 1400 isn't a multiple of 16 but I know it's not a hardware
constraint.  Additionally I tested with no explicit modeline and it works
out a 1400x1050 @ 60 Hz resolution !  (see t1/*)

I don't know where the 135000 comes from... but it's totally not coherent.
It has picked up 1280x960 @ 85 Hz which works at 148.5 MHz.  The card has
aXorg.0.log clock range (logged) from 12 to 270 MHz which is far enough to
display themode I wanted.

And the DRI is still disabled at hi-res :( ... well that's another bug.

Joined config & logs: xtests.tar.bz2 contains xtests/t{1,2}/
{xorg.conf,Xorg.0.log}.  t1 has no modeline and displays 1400x1050 @ 60Hz,
while t2 has an explicit modeline and only displays at 1280x960.

-- 
Hope this helps,
Fabien.

Attachment: xtests.tar.bz2
Description: Binary data


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