ubuntu-x-swat team mailing list archive

[Matthias Andree <matthias.andree@xxxxxx>]

OK, back working, but it's unclear why. The dmesg diff is about
different timing, clock calibration, device detection order, and hence
omitted.

I see the allocated screen in Xorg.0.log is now much smaller, and gdm
already enables the cloned display; there's also a related xrandr
difference.

I tried booting with i915.modeset=0 which made matters worse, in that
the DP outputs were no longer detected at all and prior to mode
switching there was garbage, and screen flicker on reboots between linux
kernel shutting down and the BIOS reinitializing the gfx chip.

What I also did in between was:

# gconftool-2 --recursive-unset /apps/gnome_settings_daemon/xrandr
/apps/gnome_settings_daemon/plugins/xrandr /apps/gdm/simple-greeter
/settings-manager-plugins/xrandr

Current state:

gconftool-2 -a /apps/gnome_settings_daemon/xrandr 
 show_notification_icon = true
gconftool-2 -a /apps/gnome_settings_daemon/plugins/xrandr 
 priority = 1
 active = true
gconftool-2 -a /apps/gdm/simple-greeter/settings-manager-plugins/xrandr 
 priority = 1
 active = true

Which parts of the overall system would save state from previous
(possibly undocked) boots that might spoil the next startup?

** Attachment added: "differences in logging between previous non-working (-) and current working configuration (+)"
   http://launchpadlibrarian.net/46616300/changes.txt

-- 
[GM45] [upgrade] [regression] [lucid]: external monitor only usable via DVI, not via DP
https://bugs.launchpad.net/bugs/557436
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