[ltp] T4x: Xinerama with different resolutions

[Marius Gedminas]

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On Tue, Mar 14, 2006 at 10:13:11AM +0200, Marius Gedminas wrote:
> I can reproduce that.  My xorg.conf (http://mg.pov.lt/xorg.conf) used to
> work in MergedFB, plain Xinerama and two independent screens layouts.
> Now only MergedFB layouts produce a signal on the external monitor;
> If I try Xinerama and two independent screens layout, my monitor says
> "no signal".  (I'm trying with a 15" CRT -- a Viewsonic P775 -- at home
> right now, instead of the Samsung LCD that I used at work before; but I
> do not think it would matter.)
>=20
> Time to look for a bug on https://bugs.freedesktop.org/, and if there
> isn't one, report it.

"No signal on the external monitor when using Xinerama"

  https://bugs.freedesktop.org/show_bug.cgi?id=3D6165

Some others, that look similar, but, I think, are different bugs:

"No signal on the external monitor when using Xinerama", however this
one is about using the DVI output in addition to the internal panel,
which seems to be not supported by the driver.

  https://bugs.freedesktop.org/show_bug.cgi?id=3D5571

"No output on secondary screen when using Xinerama" -- but this was with X
6.8, not 6.9!

  https://bugs.freedesktop.org/show_bug.cgi?id=3D5178

"Bad display on second head when using Xinerama" -- slightly different
bug, but a comment mentions the same (blank picture with Xinerama;
MergedFB works OK) problem

  https://bugs.freedesktop.org/show_bug.cgi?id=3D5447

This might be unrelated, but it sounds somewhat familiar: "second screen
is initially DPMS off" (both in Xinerama and in MergedFB modes).  Also
x.org versions seem to be old ones, while I was looking for a regression
in 6.9/7.0:

  https://bugs.freedesktop.org/show_bug.cgi?id=3D1666

Cheers,
Marius Gedminas
--=20
To err is human... to really foul up requires the root password.

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