Public bug reported:
In current trunk and 3.2.x, the libpower plugin connects to gnome-
screensaver's D-BUS interface right at startup, and then saves the
GDBusProxy.
This causes gnome-screensaver to be dbus-activated very early during
session startup, which unnecessarily slows down boot speed. Usually g-s
gets started much later through an autostart .desktop file, which can be
further delayed with e. g. X-GNOME-Autostart-Delay=20 to keep it out of
the critical path during boot.
Also, the proxy object will be invalid if gnome-screensaver gets killed
or restarted in between g-s-d startup and the time when the power plugin
actually calls it in upower_notify_sleep_cb().
To fix both, it would be better to create the GDBusProxy object in
upower_notify_sleep_cb() instead of gsd_power_manager_start().
If gnome-screensaver fails to start, it will just fail as well at the
beginning, so in both cases the screen lock will just fail on sleep. In
the normal case, g-s is already running through the autostart desktop
file, so there is no additional delay for entering sleep mode.
** Affects: gnome-settings-daemon
Importance: Low
Status: New
** Affects: ubuntu-boot-speed
Importance: Medium
Assignee: Martin Pitt (pitti)
Status: In Progress
** Affects: gnome-settings-daemon (Ubuntu)
Importance: Medium
Assignee: Martin Pitt (pitti)
Status: In Progress
** Bug watch added: GNOME Bug Tracker #667345
https://bugzilla.gnome.org/show_bug.cgi?id=667345
** Also affects: gnome-settings-daemon via
https://bugzilla.gnome.org/show_bug.cgi?id=667345
Importance: Unknown
Status: Unknown
** Also affects: ubuntu-boot-speed
Importance: Undecided
Status: New
** Changed in: gnome-settings-daemon (Ubuntu)
Status: New => In Progress
** Changed in: gnome-settings-daemon (Ubuntu)
Importance: Undecided => Medium
** Changed in: gnome-settings-daemon (Ubuntu)
Assignee: (unassigned) => Martin Pitt (pitti)
** Changed in: ubuntu-boot-speed
Status: New => In Progress
** Changed in: ubuntu-boot-speed
Importance: Undecided => Medium
** Changed in: ubuntu-boot-speed
Assignee: (unassigned) => Martin Pitt (pitti)
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https://bugs.launchpad.net/bugs/912186
Title:
Connect to gnome-screensaver when needed instead of at startup
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