Interesting, I've been able to reproduce everything in comment #12, and
I'm seeing the gdm greeter crash, but not the gnome-terminal crash.
Also, I'm not seeing anything in /var/crash (do I need to do something
to switch apport on?)
0. This is with X.Org X Server 1.4.99.905 (1.5.0 RC 5) on nVidia G70
[GeForce 7600 GT]
1. Boot with driver set to "nv" (or omit it entirely).
+ gdm comes up, login works fine.
+ get_n_monitors() reports "1"
+ xrandr --verbose looks fine
+ xdpyinfo -ext XINERAMA reports
XINERAMA version 1.1 opcode 150
head #0: 1280x1024 @ 0,0
+ gnome-terminal loads up fine
2. Set driver to "vesa" in xorg.conf, restart X (ctrl-alt-backspace)
+ Displays greeter application crashing error dialog
+ Can switch to a tty and login as root okay
+ From tty, I get an error when importing gtk that display couldn't be opened
+ Clicking on the greeter error dialog, screen flickers, and this time
import gtk works from the tty
+ gtk.gdk.screen_get_default().get_n_monitors() presents an error 'NoneType'
object has no attribute 'get_n_monitors'
3. Shut down X via `/etc/init.d/gdm stop`
+ seems to take longer than expected, but it completes with OK
+ An X process is still running however. kill -9 it
+ Now restart X using `cd /etc/X11; X :0 -ac -noreset -config xorg.conf`
+ It presents the gnome-less grey default X session
+ Xorg.0.log confirms that it's using driver VESA
+ gtk.gdk.screen_get_default().get_n_monitors() returns "0"
+ xrandr --verbose reports "CRTCs: 0"; displays resolutions correctly
+ xdpyinfo -ext XINERAMA reports:
XINERAMA version 1.1 opcode: 150
Xinerama is inactive
+ DISPLAY=:0 gnome-terminal seems to run fine
4. Leaving "vesa" specified in xorg.conf, reboot.
+ greeter error dialog comes up as in #2
+ Hit ok multiple (~6) times. Displays a whiptail dialog, "It is likely
that something bad is going on."
5. Shutdown gdm, start up X as in #3
+ Results are the same as in #3
So... I can see the issue with gdm greeter not starting up, and will
continue investigating that, but I'm not seeing the GTK application
crashes.
--
GTK applications crashing reproducibly when using vesa
https://bugs.launchpad.net/bugs/246585
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