unity-control-center crashed with signal 5 in _XReply()

[Gavril]

it crashes when changing display options... so strange
Ubuntu 14.04 daily iso.

ProblemType: Crash
DistroRelease: Ubuntu 14.04
Package: unity-control-center 14.04.3+14.04.20140328-0ubuntu1
Uname: Linux 3.14.0-031400-generic x86_64
ApportVersion: 2.14-0ubuntu1
Architecture: amd64
CurrentDesktop: Unity
Date: Fri Apr 4 17:21:06 2014
ExecutablePath: /usr/bin/unity-control-center
InstallationDate: Installed on 2014-04-04 (0 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Daily amd64 (20140403)
ProcCmdline: unity-control-center
Signal: 5
SourcePackage: unity-control-center
StacktraceTop:
 ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
 ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
 _XReply () from /usr/lib/x86_64-linux-gnu/libX11.so.6
 XOpenDevice () from /usr/lib/x86_64-linux-gnu/libXi.so.6
 ?? () from /usr/lib/x86_64-linux-gnu/unity-control-center-1/panels/libmouse-properties.so
Title: unity-control-center crashed with signal 5 in _XReply()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
usr_lib_unity-control-center:
 activity-log-manager 0.9.7-0ubuntu12
 deja-dup 30.0-0ubuntu4

[Apport retracing service (apport)]

StacktraceTop:
 XOpenDevice (dpy=0x1b29730, id=id@entry=13) at ../../src/XOpenDev.c:83
 synaptics_check_capabilities (dialog=dialog@entry=0x2212500) at gnome-mouse-properties.c:108
 device_changed (device_manager=<optimized out>, device=<optimized out>, dialog=0x2212500) at gnome-mouse-properties.c:264
 g_closure_invoke (closure=0x26a6490, return_value=0x0, n_param_values=2, param_values=0x7fff51c25b20, invocation_hint=0x7fff51c25ac0) at /build/buildd/glib2.0-2.40.0/./gobject/gclosure.c:768
 signal_emit_unlocked_R (node=node@entry=0x1b49310, detail=detail@entry=0, instance=instance@entry=0x1b14ed0, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fff51c25b20) at /build/buildd/glib2.0-2.40.0/./gobject/gsignal.c:3551

[Launchpad Janitor (janitor)]

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

[Andrew Austin (andrewaclt)]

I just hit this bug in 14.10.