Back to login screen - acpid: client has disconnected / GLib-GObject-CRITICAL: g_value_get_boolean: assertion `G_VALUE_HOLDS_BOOLEAN (value)' failed

[George Smith]

Release 11.04(natty)
kernel linux 2.6.38-11-generic
Gnome 2.32.1
I use the Gnome classic mode

Hello gentlemen, first would like to apologize because of my english.
I've been facing a problem since installing ubuntu 11.04.
My gnome session restart at random, returning to the login screen

Here's an excerpt from my syslog, which i believe is related the problem.

gdm-session-worker[1128]: GLib-GObject-CRITICAL: g_value_get_boolean: assertion `G_VALUE_HOLDS_BOOLEAN (value)' failed
rtkit-daemon[1132]: Successfully made thread 1347 of process 1347 (n/a) owned by '1000' high priority at nice level -11.
rtkit-daemon[1132]: Supervising 4 threads of 2 processes of 2 users.
rtkit-daemon[1132]: Successfully made thread 1359 of process 1347 (n/a) owned by '1000' RT at priority 5.
rtkit-daemon[1132]: Supervising 5 threads of 2 processes of 2 users.
rtkit-daemon[1132]: Successfully made thread 1360 of process 1347 (n/a) owned by '1000' RT at priority 5.
rtkit-daemon[1132]: Supervising 6 threads of 2 processes of 2 users.
acpid: client 1029[0:0] has disconnected
acpid: client connected from 1512[0:0]
acpid: 1 client rule loaded
gdm-simple-greeter[1555]: Gtk-WARNING: /build/buildd/gtk 2.0-2.24.4/gtk/gtkwidget.c:5687: widget not within a GtkWindow
gdm-simple-greeter[1555]: WARNING: Unable to load CK history: no seat-id found
gdm-simple-greeter[1555]: WARNING: Unable to parse history: (null) 2#012
gdm-session-worker[1557]: GLib-GObject-CRITICAL: g_value_get_boolean: assertion `G_VALUE_HOLDS_BOOLEAN (value)' failed

I not found a pattern, i apologize.
I wish I could provide more information to help find out what is causing this problem

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Mark Andrew (markandrew763)]

Ubuntu 11.04
kernel linux 2.6.38-11-generic

This also affects me!

kernel: [ 29.889314] EXT4-fs (sda5): re-mounted. Opts: errors=remount-ro,commit=0
kernel: [ 35.357361] usb 3-3: new low speed USB device using xhci_hcd and address 2
kernel: [ 35.415141] xhci_hcd 0000:04:00.0: WARN: short transfer on control ep
kernel: [ 35.418112] xhci_hcd 0000:04:00.0: WARN: short transfer on control ep
kernel: [ 35.419280] usb 3-3: ep 0x81 - rounding interval to 64 microframes, ep desc says 80 microframes
kernel: [ 35.469341] input: OM as /devices/pci0000:00/0000:00:1c.3/0000:04:00.0/usb3/3-3/3-3:1.0/input/input12
kernel: [ 35.469457] generic-usb 0003:04F3:0234.0001: input,hidraw0: USB HID v1.11 Mouse [OM] on usb-0000:04:00.0-3/input0
kernel: [ 35.469476] usbcore: registered new interface driver usbhid
kernel: [ 35.469478] usbhid: USB HID core driver
gdm-session-worker[1096]: GLib-GObject-CRITICAL: g_value_get_boolean: assertion `G_VALUE_HOLDS_BOOLEAN (value)' failed
rtkit-daemon[1100]: Successfully made thread 1328 of process 1328 (n/a) owned by '1000' high priority at nice level -11.
rtkit-daemon[1100]: Supervising 4 threads of 2 processes of 2 users.
rtkit-daemon[1100]: Successfully made thread 1343 of process 1328 (n/a) owned by '1000' RT at priority 5.
rtkit-daemon[1100]: Supervising 5 threads of 2 processes of 2 users.
rtkit-daemon[1100]: Successfully made thread 1344 of process 1328 (n/a) owned by '1000' RT at priority 5.
rtkit-daemon[1100]: Supervising 6 threads of 2 processes of 2 users.
gdm-simple-slave[1500]: WARNING: Unable to load file '/etc/gdm/custom.conf': No such file or directory
acpid: client connected from 1502[0:0]
acpid: 1 client rule loaded
gdm-session-worker[1549]: WARNING: Unable to load file '/etc/gdm/custom.conf': No such file or directory
gdm-simple-greeter[1545]: Gtk-WARNING: /build/buildd/gtk+2.0-2.24.4/gtk/gtkwidget.c:5687: widget not within a GtkWindow
gdm-simple-greeter[1545]: WARNING: Unable to load CK history: no seat-id found
gdm-session-worker[1549]: GLib-GObject-CRITICAL: g_value_get_boolean: assertion `G_VALUE_HOLDS_BOOLEAN (value)' failed