gnome-settings-daemon assert failure: gnome-settings-daemon: ../../src/xcb_io.c:515: _XReply: Assertion `!dpy->xcb->reply_data' failed.

[i2o2]

this is a new dist upgrade from 11.04 to 11.10. It's a struggle.

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: gnome-settings-daemon 3.1.3-0ubuntu6
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:515: _XReply: Assertion `!dpy->xcb->reply_data' failed.
CrashCounter: 1
Date: Tue Jul 19 12:01:24 2011
ExecutablePath: /usr/lib/gnome-settings-daemon/gnome-settings-daemon
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
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
 _XReply () from /usr/lib/i386-linux-gnu/libX11.so.6
Title: gnome-settings-daemon assert failure: gnome-settings-daemon: ../../src/xcb_io.c:515: _XReply: Assertion `!dpy->xcb->reply_data' failed.
UpgradeStatus: Upgraded to oneiric on 2011-07-18 (0 days ago)
UserGroups: