Mailinglist Archive: opensuse-bugs (4669 mails)

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[Bug 623250] external screen resolution always set to 1024x768 (should be 1280x1024) after kde login
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Thu, 2 Sep 2010 12:36:44 +0000
  • Message-id: <20100902123644.E8082CC7CE@xxxxxxxxxxxxxxxxxxxxxx>

--- Comment #11 from Stefan Dirsch <sndirsch@xxxxxxxxxx> 2010-09-02 12:36:43
UTC ---
(In reply to comment #10)
But IMHO the Xserver default does not make sense. I would rather have
something like the patch by David Reveman in comment 2 from bug #537488

The intersection of the resolutions from both monitors will rarely be
useful, at least for me and I guess for others too.

I agree that it makes sense to have such a patch for netbooks where the
intersection of the resolutions ends up with 640x480. Otherwise I do *not*

My laptop has 1280x800 and I use two different external monitors,
one at my home with 1680x1050 and the other at the institute with
1920x1200. And for _both_ the Xserver default is useless and it makes
no sense.

Hey, it's just the login screen (xdm, gdm, kdm), which shows this resolution.
Imagine the external 1920x1200 monitor is turned off, but still connected (you
forgot about that or even don't know that). The displaymanager will likely
optimize everything for the big external screen and you can't reach any longer
the gdm panel or even user/password text field. We had such bug reports in the
past. No kidding! We really need a safe setup to avoid such situations.

I guess people always want the best of what the monitor has to offer,
and the desktop has to be adjusted to fit, not the reverse (I use wmaker,
so no krandr stuff etc).

The desktop needs to take care about your preferences by using the previous
RANDR setup or if a change in monitor setup has been detected a safe setting.
We do support KDE and Gnome as desktops. Use xrandr, if you prefer an
unsupported WM.

In my case I simply use the external monitors and turn off the laptop screen.

Easy to manage with xrandr during login.

Suppose also a beamer presentation in some conference. If you boot your laptop
with the cable to the beamer connected, you want it to display correctly
at the conference room screen, using whatever native resolution the beamer
uses. Then your desktop or window manager has to be clever enough to do the
right thing.

Especially with beamers it makes sense to use the same resolution, in most
cases this is 1024x768 anyway.

So is there no hope for me to get the resolutions correct in a flicker-free
boot process? The kernel got it right already, that's what disturbs me.
When xorg loads it screws up the resolutions which the kernel thought were
good, and I thought the point with the kernel mode setting was to avoid
this resolution changes from boot.

Good point, but not everybody is using more than one monitor with different

So I am sorry to write all this, but as things stand now they don't look
like they make sense. I fear that I will have to patch the xserver myself
and use it instead, but that is painful and it will go away once I move to
opensuse 11.4 etc.

Your decision of course, which we need to accept. We try the best to make most
users happy, which obviously doesn't work out for everybody. That's the way it

Also I'm not sure why you're discussing this now in this bugreport. IMHO it
belongs to Bug #537488.

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