[Ubuntu-x-swat] [Bug 404919] Re: [i965GM] GDM is starting up with wrong display resolution

[Geir Ove Myhr]

*** This bug is a duplicate of bug 286001 ***
https://bugs.launchpad.net/bugs/286001

** This bug has been marked a duplicate of bug 286001
   [g45] Wishlist: Use native resolution of both monitors by default for login 
screen in dual-head setup

-- 
[i965GM] GDM is starting up with wrong display resolution
https://bugs.launchpad.net/bugs/404919
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[Ubuntu-x-swat] [Bug 404919] Re: [i965GM] GDM is starting up with wrong display resolution

[Johannes Langlotz]

Yes, I think the upstream bug report addresses my issue.
When Windows XP shows the login screen on both displays it uses (the smaller) 
notebook resolution. This resolution is also shown on the external display, but 
not stretched (like ubuntu does it) but centered.

The best solution would be if I could switch between the displays (and
perhaps mirror mode) with Fn+F8 (or whatever it is on other notebooks)
when GDM is displayed. Just the way it is when logged in. When GDM is
mirrored on both displays it should use the Windows approach (centering
instead of stretching).

-- 
[i965GM] GDM is starting up with wrong display resolution
https://bugs.launchpad.net/bugs/404919
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which is subscribed to xserver-xorg-video-intel in ubuntu.

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[Ubuntu-x-swat] [Bug 404919] Re: [i965GM] GDM is starting up with wrong display resolution

[Geir Ove Myhr]

It looks like my assumption about the resolution being the same after
login was wrong, but at list we got the lists of available modes.

On http://intellinuxgraphics.org/2009Q2.html one of the items on the
TODO list is to take the lid status into account. There is a
corresponding bug report (with lots of duplicates):
https://bugs.freedesktop.org/show_bug.cgi?id=11455 . Does it look like
that upstream bug report is addressing your issue?

It seems a bit dangerous to me to only show the login screen on one of
the detected monitor. Every now and then there are bugs where a monitor
is detected when in fact there is none. Now, this only leads to wrong
resolution, since the login screen is resized. It would be much worse if
the login screen was only shown on the monitor which is in fact not
there. See
https://launchpad.net/ubuntu/+bugs?field.status%3Alist=NEWfield.status%3Alist=CONFIRMEDfield.status%3Alist=TRIAGEDfield.status%3Alist=INPROGRESSfield.status%3Alist=FIXCOMMITTEDfield.status%3Alist=FIXRELEASEDassignee_option=anyfield.omit_dupes.used=field.tag
=ghost-monitorfield.tags_combinator=ANYsearch=Search for some of those
bug reports.

Wouldn't it be an option to do the same thing as was the case in Hardy:
both monitors use their native resolution, but their desktop size
would be the least common denominator? See
http://launchpadlibrarian.net/17844487/importdump.jpg for how this would
look (taken from bug 273306 which had a non-existent VGA monitor) and
http://launchpadlibrarian.net/12354400/screen.png for how the desktop
then looked in mirror mode.

** Bug watch added: freedesktop.org Bugzilla #11455
   https://bugs.freedesktop.org/show_bug.cgi?id=11455

-- 
[i965GM] GDM is starting up with wrong display resolution
https://bugs.launchpad.net/bugs/404919
You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to xserver-xorg-video-intel in ubuntu.

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