Red Hat Bugzilla – Bug 433423
[trident] driver doesn't select the maximum resolution available
Last modified: 2009-07-14 12:45:25 EDT
+++ This bug was initially created as a clone of Bug #433254 +++
The trident driver seems to start up in 800x600 mode by default.
I then ran system-config-display and switch to use a 1024x768 LCD Screen in the
"Monitor" tab, to get the 1024x768 mode, but this seems to defeat the purpose
of the autoconfiguration of X which should use the highest resolution possible
(1024x768 on this card). I also had to restart X to get the 1024x768 mode to appear.
My guess is that it automatically drops down to 800x600 because of lack of video
memory, but 1024x768 does work if you drop the color depth to 16. I would have
thought the driver should prefer the higher resolution and drop the color depth
to maximise the resolution, but this is not how it works?
-- Additional comment from email@example.com on 2008-02-19 02:53 EST --
okay I'll close this bug as this is a new issue, can you please file a new bug
for the autoconfig problem it appears the code that works out the max mode from
the VRAM size has some failings for your situation.
there are some trident pkgs there.. can you see if the do what you expect when
you have no xorg.conf...
I downloaded the trident package above and then tried moving the xorg.conf
aside, but X currently won't start without a xorg.conf because of a (possibly
unrelated) bug in xorg-x11-xserver: bug #436684
As detailed on that bug I can get X to work if manually edit the xorg.conf to
use the "vesa" driver.
In any case, I tried running system-config-display to see if it would start the
vesa driver by default, but I now get (yet) another bug:
Traceback (most recent call last):
File "/usr/share/system-config-display/xconf.py", line 27, in <module>
File "/usr/lib/python2.5/site-packages/xf86config.py", line 1, in <module>
ImportError: /usr/lib/python2.5/site-packages/ixf86configmodule.so: undefined
I'll wait until the new xorg-x11-server is pushed to rawhide and then retest
then as X is pretty well broken at this point it seems.
OK, I manually installed xorg-x11-server-Xorg-126.96.36.1991-6.20080310.fc9.i386:
and that gets the trident driver working again. Then I moved aside the
xorg.conf and restarted, but it still defaults to 800x600. I still can't use
system-config-display to fix this manually, but that's another issue.
That would be system-config-display bug. Otherwise, this bug seems to be ready
to be closed.
(In reply to comment #4)
> That would be system-config-display bug. Otherwise, this bug seems to be ready
> to be closed.
Um, no as comment #3 indicates, it still defaults to too low a resolution (which
was the original bug). I was simply saying that I couldn't work around it using
Created attachment 301356 [details]
Xorg log showing the server's attempt to detect default video settings. 2008-04-04
I'm seeing this too with up-to-date Rawhide. It can't seem to detect a
resolution higher than 800x600 at 24 bpp. It worked with the same hardware in
Toshiba Satellite Pro 4600
Trident CyberBlade/XP graphics with (I think) 10 MB VRAM
Any more useful info I'm missing?
Changing version to '9' as part of upcoming Fedora 9 GA.
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