unity-control-center crashed with SIGSEGV in gnome_rr_screen_get_output_by_name()

[Goryachkin Alexandr]

notebook + 2 iiyama prolite xb3485wsu

one iiyama connected via displaylink adapter
(hp usb graphics adapter)

Description: Ubuntu Trusty Tahr (development branch)
Release: 14.04

ProblemType: Crash
DistroRelease: Ubuntu 14.04
Package: unity-control-center 14.04.3+14.04.20140328-0ubuntu1
ProcVersionSignature: Ubuntu 3.13.0-20.42-generic 3.13.7
Uname: Linux 3.13.0-20-generic x86_64
ApportVersion: 2.13.3-0ubuntu1
Architecture: amd64
CurrentDesktop: Unity
Date: Mon Mar 31 09:03:07 2014
ExecutablePath: /usr/bin/unity-control-center
InstallationDate: Installed on 2014-03-28 (2 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Beta amd64 (20140326)
ProcCmdline: unity-control-center appearance
SegvAnalysis:
 Segfault happened at: 0x7f36141f8b7e <__strcmp_sse2_unaligned+30>: movdqu (%rsi),%xmm0
 PC (0x7f36141f8b7e) ok
 source "(%rsi)" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%xmm0" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: unity-control-center
StacktraceTop:
 gnome_rr_screen_get_output_by_name () from /usr/lib/libgnome-desktop-3.so.7
 ?? () from /usr/lib/x86_64-linux-gnu/unity-control-center-1/panels/libdisplay.so
 ?? () from /usr/lib/x86_64-linux-gnu/unity-control-center-1/panels/libdisplay.so
 ?? () from /usr/lib/x86_64-linux-gnu/unity-control-center-1/panels/libdisplay.so
 ?? () from /usr/lib/x86_64-linux-gnu/unity-control-center-1/panels/libdisplay.so
Title: unity-control-center crashed with SIGSEGV in gnome_rr_screen_get_output_by_name()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo vboxusers
usr_lib_unity-control-center:
 activity-log-manager 0.9.7-0ubuntu12
 deja-dup 30.0-0ubuntu2

[Apport retracing service (apport)]

StacktraceTop:
 gnome_rr_screen_get_output_by_name (screen=<optimized out>, name=0x0) at gnome-rr.c:1954
 get_current_modes (self=0x249c7d0) at cc-display-panel.c:517
 rebuild_resolution_combo (self=0x249c7d0) at cc-display-panel.c:911
 rebuild_gui (self=0x249c7d0) at cc-display-panel.c:968
 on_output_event (area=0x2125e50, event=0x7fff2e1ad760, data=0x27d96a0) at cc-display-panel.c:1939