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

[Eduard Kharitonov]

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

ProblemType: Crash
DistroRelease: Ubuntu 16.04
Package: unity-services 7.4.0+16.04.20160310-0ubuntu1
ProcVersionSignature: Ubuntu 4.4.0-13.29-generic 4.4.5
Uname: Linux 4.4.0-13-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_modeset nvidia
.proc.driver.nvidia.registry: Binary: ""
.proc.driver.nvidia.version:
 NVRM version: NVIDIA UNIX x86_64 Kernel Module 361.28 Wed Feb 3 15:48:04 PST 2016
 GCC version: gcc version 5.3.1 20160311 (Ubuntu 5.3.1-11ubuntu1)
ApportVersion: 2.20-0ubuntu3
Architecture: amd64
CurrentDesktop: Unity
Date: Fri Mar 18 12:28:47 2016
DistUpgraded: 2016-01-11 17:02:00,333 DEBUG running apport_crash()
DistroCodename: xenial
DistroVariant: ubuntu
ExecutablePath: /usr/lib/x86_64-linux-gnu/unity/unity-panel-service
GraphicsCard:
 NVIDIA Corporation GK107 [GeForce GT 640] [10de:0fc1] (rev a1) (prog-if 00 [VGA controller])
   Subsystem: ASUSTeK Computer Inc. GK107 [GeForce GT 640] [1043:83f9]
GsettingsChanges:
 b'com.canonical.Unity' b'minimize-count' b'100'
 b'com.ubuntu.user-interface' b'scale-factor' b"{'DVI-0': 8, 'VGA-0': 8, 'DVI-D-0': 8, 'DVI-D-1': 8}"
 b'org.gnome.desktop.interface' b'cursor-theme' b"'redglass'"
 b'org.gnome.desktop.interface' b'gtk-im-module' b"'gtk-im-context-simple'"
 b'org.gnome.desktop.interface' b'scaling-factor' b'uint32 1'
InstallationDate: Installed on 2014-01-13 (794 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
MachineType: System manufacturer System Product Name
ProcCmdline: /usr/lib/x86_64-linux-gnu/unity/unity-panel-service
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-13-generic root=UUID=b45ab127-b4e1-48f1-b3ce-0bb714148067 ro vga=0x034d quiet splash video=uvesafb:mode_option=0x34d,mtrr=3,scroll=ywrap nomdmonddf nomdmonisw crashkernel=384M-:128M crashkernel=384M-:128M crashkernel=384M-:128M crashkernel=384M-:128M crashkernel=384M-:128M crashkernel=384M-:128M crashkernel=384M-:128M
SegvAnalysis:
 Segfault happened at: 0x7fccc1cb92cb <g_type_check_instance_is_a+59>: testb $0x4,0x16(%rdx)
 PC (0x7fccc1cb92cb) ok
 source "$0x4" ok
 destination "0x16(%rdx)" (0x80000001a) not located in a known VMA region (needed writable region)!
SegvReason: writing unknown VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
 g_type_check_instance_is_a () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libido3-0.1.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
 g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
Title: unity-panel-service crashed with SIGSEGV in g_type_check_instance_is_a()
UpgradeStatus: Upgraded to xenial on 2016-01-11 (66 days ago)
UserGroups: adm cdrom dip disk fuse libvirtd lpadmin plugdev sambashare sudo vboxusers
dmi.bios.date: 12/10/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1702
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: M4A88TD-M EVO
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev X.0x
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1702:bd12/10/2010:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM4A88TD-MEVO:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
version.compiz: compiz 1:0.9.12.2+16.04.20160311-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.67-1
version.libgl1-mesa-dri: libgl1-mesa-dri 11.1.2-1ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 11.1.2-1ubuntu1
version.nvidia-graphics-drivers: nvidia-graphics-drivers-* N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.18.1-1ubuntu4
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.1-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.6.1-1ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20160218-1ubuntu3
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.12-1build2
xserver.bootTime: Thu Mar 17 12:41:50 2016
xserver.configfile: default
xserver.devices:
 input Power Button KEYBOARD, id 6
 input Power Button KEYBOARD, id 7
 input Logitech Logitech USB Headset KEYBOARD, id 8
 input CHICONY USB Keyboard KEYBOARD, id 9
 input Logitech USB-PS/2 Optical Mouse MOUSE, id 10
xserver.errors:

xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:

xserver.version: 2:1.18.1-1ubuntu4

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #1554219, 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.

[Launchpad Janitor (janitor)]

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