gnome-settings-daemon assert failure: gnome-settings-daemon: ../../src/xcb_io.c:140: dequeue_pending_request: Assertion `req == dpy->xcb->pending_requests' failed.

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I thought I was logging in to a standard Unity session, using lightdm with the unity greeter, but gnome-system-monitor shows that openbox is the window manager that is running. Was logging into a unity session before switching to the unity greeter and logged out and in a couple of times after changing the greeter and got the normal Unity desktop.

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: gnome-settings-daemon 3.1.3-0ubuntu7
ProcVersionSignature: Ubuntu 3.0.0-5.6-generic 3.0.0-rc7
Uname: Linux 3.0.0-5-generic i686
Architecture: i386
AssertionMessage: gnome-settings-daemon: ../../src/xcb_io.c:140: dequeue_pending_request: Assertion `req == dpy->xcb->pending_requests' failed.
CrashCounter: 1
Date: Fri Jul 15 10:31:18 2011
ExecutablePath: /usr/lib/gnome-settings-daemon/gnome-settings-daemon
ProcCmdline: /usr/lib/gnome-settings-daemon/gnome-settings-daemon
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/false
 PATH=(custom, no user)
Signal: 6
SourcePackage: gnome-settings-daemon
StacktraceTop:
 __kernel_vsyscall ()
 raise () from /lib/i386-linux-gnu/libc.so.6
 abort () from /lib/i386-linux-gnu/libc.so.6
 __assert_fail () from /lib/i386-linux-gnu/libc.so.6
 ?? () from /usr/lib/i386-linux-gnu/libX11.so.6
Title: gnome-settings-daemon assert failure: gnome-settings-daemon: ../../src/xcb_io.c:140: dequeue_pending_request: Assertion `req == dpy->xcb->pending_requests' failed.
UpgradeStatus: Upgraded to oneiric on 2009-05-11 (800 days ago)
UserGroups:

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make Ubuntu better. This particular crash has already been reported and is a duplicate of bug #804896, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.