Re: Too many Xorg modes

2006-08-25 Thread Derek Ragona

Run the xorgconfig interactively in text mode and choose what you want.

-Derek


At 05:43 PM 8/24/2006, Perry Hutchison wrote:

In 6.1, how would I set up xorg.conf to restrict Xorg to a few
specific modes?  The Xorg.8.log created during xorgcfg shows 24
modelines, but when I cycle through the modes using CtrlAltPlus
there are two which don't work at all and the remaining 22 cover
only 8 resolutions (of which only about 3 seem likely to actually
be useful.)

A search for modeline in the docs and manpages turned up nothing
applicable beyond xorg.conf(5), which does not describe how to
prevent the implicit inclusion of built-in modes whose names do
not match any explicitly-specified modes.
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Re: Too many Xorg modes

2006-08-25 Thread Bob Johnson

On 8/24/06, Perry Hutchison [EMAIL PROTECTED] wrote:

In 6.1, how would I set up xorg.conf to restrict Xorg to a few
specific modes?  The Xorg.8.log created during xorgcfg shows 24
modelines, but when I cycle through the modes using CtrlAltPlus
there are two which don't work at all and the remaining 22 cover
only 8 resolutions (of which only about 3 seem likely to actually
be useful.)


I don't know if there is an easier way, but I just copy the modelines
I like from the log and paste them in the xorg.conf file. Put them in
the Monitor section.
E.g.:

ModeLine 1600x1200  162.00  1600 1664 1856 2160  1200 1201 1204 1250
+hsync +vsync

I use modelines that give 60Hz vertical sync because there is a
transformer sitting next to my monitor, and at 70Hz sync rate the
display wiggles at 10 Hz.

- Bob
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Re: Too many Xorg modes

2006-08-25 Thread Bob Johnson

On 8/25/06, Bob Johnson [EMAIL PROTECTED] wrote:

On 8/24/06, Perry Hutchison [EMAIL PROTECTED] wrote:
 In 6.1, how would I set up xorg.conf to restrict Xorg to a few
 specific modes?  The Xorg.8.log created during xorgcfg shows 24
 modelines, but when I cycle through the modes using CtrlAltPlus
 there are two which don't work at all and the remaining 22 cover
 only 8 resolutions (of which only about 3 seem likely to actually
 be useful.)

I don't know if there is an easier way, but I just copy the modelines
I like from the log and paste them in the xorg.conf file. Put them in
the Monitor section.


To address your second paragraph: in my case at least, including
explicit modelines suppresses the automatic modes. I only get the ones
explicitly listed. This has worked in both XFree86 and Xorg.

- Bob
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Re: Too many Xorg modes

2006-08-25 Thread Perry Hutchison
  In 6.1, how would I set up xorg.conf to restrict Xorg to a few
  specific modes?  The Xorg.8.log created during xorgcfg shows 24
  modelines, but when I cycle through the modes using CtrlAltPlus
  there are two which don't work at all and the remaining 22 cover
  only 8 resolutions (of which only about 3 seem likely to actually
  be useful.)
 
 I don't know if there is an easier way, but I just copy the modelines
 I like from the log and paste them in the xorg.conf file. Put them in
 the Monitor section.

That is exactly what I did.

 To address your second paragraph: in my case at least, including
 explicit modelines suppresses the automatic modes. I only get the
 ones explicitly listed. This has worked in both XFree86 and Xorg.

In my case, using 6.1 Xorg, the only automatic modes suppressed
were those whose resolutions matched one of the explicit modelines
(and this is consistent with my reading of the 6.1 xorg.conf(5)
manpage).  Perhaps this behavior is different than earlier releases.

The primary problem is that the highest-resolution automatic mode
(1280x960) does not work:  the (LCD) monitor displays a message
to the effect that the input sync frequency is out of range, and
goes into standby after about 20 seconds.

This bad mode is used as the initial mode since it has the highest
resolution, and there is no correct modeline that I can provide
to override it because the resolution exceeds the monitor's
capabilities; so the server always starts up in a non-working
mode.  I can get to a working mode with CtrlAltPlus, but then
the desktop (which was sized according to the initial, invalid,
resolution) is too big for the screen.

I suspect I may have run into an Xorg (or driver) bug -- the
probe did correctly identify the monitor as a Gateway FPD1530,
and this should have caused all resolutions exceeding 1024x768
to be discarded -- but how do I get around it?
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Re: Too many Xorg modes

2006-08-24 Thread Josh Paetzel
On Thursday 24 August 2006 17:43, Perry Hutchison wrote:
 In 6.1, how would I set up xorg.conf to restrict Xorg to a few
 specific modes?  The Xorg.8.log created during xorgcfg shows 24
 modelines, but when I cycle through the modes using CtrlAltPlus
 there are two which don't work at all and the remaining 22 cover
 only 8 resolutions (of which only about 3 seem likely to actually
 be useful.)

 A search for modeline in the docs and manpages turned up nothing
 applicable beyond xorg.conf(5), which does not describe how to
 prevent the implicit inclusion of built-in modes whose names do
 not match any explicitly-specified modes.
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The easiest way to do this is manually remove the modes you don't use 
from your xorg config.

The config can be in a couple of different places, your log will show 
where it is.

-- 
Thanks,

Josh Paetzel
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