Public bug reported:
I tried to find any other related bug report, but despite many similarities
this one seems to be very different case.
Firstable, none of the usual tricks work here, e.g. editing the Modes option in
xorg.conf and leaving only the desired resolution (1152x864). dpkg-reconfigure
-phigh xorg-conf doesn't help either.
Now the story.
I updated from feisty a month ago and everything worked just fine. However,
about two weeks ago I made apt-get update which, among others, updated
xserver-xorg. AFIR this update had some bigger changes introduced to
'bulletproof X' feature which I think should be the main suspect. Since the
update, gdm always starts at the lowest resolution (800x600 or 640x480, not
sure). After logging in, the resolution is set up correctly to 1152x864, but
this is only due to the Screen Resolution settings where I chose to set up that
resolution. Why do I think so? Because after adding a new user and logging in
the resolution is still kept at 800x600 (or 640x480) unless I change it in
Screen Resolution applet.
So, what I did next was stopping the GDM and trying to start up Xs
manually from console with startx. The problem appeared to be exactly
the same: after creating a new user and logging in, the resolution was
set to the lowest until I changed it in the Screen Resolution applet.
Logging out and logging in again resulted in Xs starting in low
resolution and then, after a couple of seconds when the Screen
Resolution applet's settings were applied, the resolution was set up to
the desired one. Summing up, the problem here with startx is the same as
described above.
Now, the configuration:
Radeon 9200 Pro,
Hyundai Q770 CRT monitor
up to date Gutsy installation.
Please find the attached Xorg.0.log and Xorg.0.log.old - one of them
after starting Xs with xorg.conf (also attached) and the other one after
starting without it.
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
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gsm/startx will ignore xorg.conf resolution settings and run with very low
resolution
https://bugs.launchpad.net/bugs/152109
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