unity-panel-service crashed with SIGSEGV in ffi_call_unix64()

[Vitaliy Proz]

unity-panel-service was gone for few seconds.
System have hung a little.
Panel was displayed after that.

ProblemType: Crash
DistroRelease: Ubuntu 14.04
Package: unity-services 7.2.3+14.04.20140826-0ubuntu1-systray-ppa1 [origin: LP-PPA-gurqn-systray-trusty]
ProcVersionSignature: Ubuntu 3.13.0-43.72-generic 3.13.11.11
Uname: Linux 3.13.0-43-generic x86_64
.tmp.unity.support.test.0:

ApportVersion: 2.14.1-0ubuntu3.6
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
CrashDB: unity
CurrentDesktop: Unity
Date: Wed Dec 17 13:15:21 2014
DistUpgraded: Fresh install
DistroCodename: trusty
DistroVariant: ubuntu
ExecutablePath: /usr/lib/unity/unity-panel-service
GraphicsCard:
 Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0102] (rev 09) (prog-if 00 [VGA controller])
   Subsystem: Gigabyte Technology Co., Ltd Device [1458:d000]
InstallationDate: Installed on 2014-09-02 (106 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
MachineType: Gigabyte Technology Co., Ltd. H61M-D2H
ProcCmdline: /usr/lib/unity/unity-panel-service
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-43-generic root=UUID=e209c8cc-c33e-4d14-9bca-6f23f2442c05 ro quiet splash vt.handoff=7
SegvAnalysis:
 Segfault happened at: 0x7f0f0561a21f: mov (%r12),%rdi
 PC (0x7f0f0561a21f) ok
 source "(%r12)" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%rdi" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
 ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
 ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6
 ffi_call () from /usr/lib/x86_64-linux-gnu/libffi.so.6
 g_cclosure_marshal_generic (closure=0x25d3c60, return_gvalue=0x0, n_param_values=<optimized out>, param_values=<optimized out>, invocation_hint=<optimized out>, marshal_data=0x0) at /build/buildd/glib2.0-2.40.2/./gobject/gclosure.c:1445
 g_closure_invoke (closure=0x25d3c60, return_value=0x0, n_param_values=4, param_values=0x7fff597e4060, invocation_hint=0x7fff597e4000) at /build/buildd/glib2.0-2.40.2/./gobject/gclosure.c:768
Title: unity-panel-service crashed with SIGSEGV in ffi_call_unix64()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
dmi.bios.date: 09/05/2011
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F1
dmi.board.name: H61M-D2H
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF1:bd09/05/2011:svnGigabyteTechnologyCo.,Ltd.:pnH61M-D2H:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnH61M-D2H:rvr:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
dmi.product.name: H61M-D2H
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
version.compiz: compiz 1:0.9.11.2+14.04.20140714-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.52-1
version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.3-0ubuntu0.2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.3-0ubuntu0.2
version.xserver-xorg-core: xserver-xorg-core 2:1.15.1-0ubuntu2.5
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu3.1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.910-0ubuntu1.3
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu2
xserver.bootTime: Sun Dec 14 12:43:37 2014
xserver.configfile: default
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
 product id 49329
 vendor PHL
xserver.version: 2:1.15.1-0ubuntu2.5

[Launchpad Janitor (janitor)]

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