compiz crashed with SIGSEGV in unity::switcher::Controller::Impl::GetCurrentSelection()

break sudenlly....

ProblemType: Crash
DistroRelease: Ubuntu 16.04
Package: compiz-core 1:0.9.12.2+16.04.20160209-0ubuntu1
ProcVersionSignature: Ubuntu 4.4.0-12.28-generic 4.4.4
Uname: Linux 4.4.0-12-generic x86_64
.tmp.unity.support.test.0:

ApportVersion: 2.20-0ubuntu3
Architecture: amd64
CompizPlugins: [core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,staticswitcher,workarounds,scale,expo,ezoom,dbus]
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
CurrentDesktop: Unity
Date: Fri Mar 11 09:20:46 2016
DistUpgraded: 2016-01-08 10:50:24,769 DEBUG failed to SystemUnLock() (E:未锁定)
DistroCodename: xenial
DistroVariant: ubuntu
ExecutablePath: /usr/bin/compiz
GraphicsCard:
 Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) (prog-if 00 [VGA controller])
   Subsystem: Hewlett-Packard Company 3rd Gen Core processor Graphics Controller [103c:1855]
 Advanced Micro Devices, Inc. [AMD/ATI] Seymour [Radeon HD 6400M/7400M Series] [1002:6760] (rev ff) (prog-if ff)
InstallationDate: Installed on 2014-06-28 (621 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
MachineType: Hewlett-Packard HP 1000 Notebook PC
ProcCmdline: compiz
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-12-generic.efi.signed root=UUID=17e53d24-99e5-48a0-a4ba-34203e641693 ro quiet splash init=/lib/systemd/systemd vt.handoff=7
SegvAnalysis:
 Segfault happened at: 0x7f0b0a7a7713 <_ZNK5unity8switcher10Controller4Impl19GetCurrentSelectionEv+339>: mov (%rdi),%rbp
 PC (0x7f0b0a7a7713) ok
 source "(%rdi)" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%rbp" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: compiz
StacktraceTop:
 unity::switcher::Controller::Impl::GetCurrentSelection() const () from /usr/lib/x86_64-linux-gnu/compiz/libunityshell.so
 unity::switcher::Controller::Impl::Hide(bool) () from /usr/lib/x86_64-linux-gnu/compiz/libunityshell.so
 unity::UnityScreen::altTabTerminateCommon(CompAction*, unsigned int, std::vector<CompOption, std::allocator<CompOption> >&) () from /usr/lib/x86_64-linux-gnu/compiz/libunityshell.so
 compiz::private_screen::EventManager::triggerRelease(CompAction*, unsigned int, std::vector<CompOption, std::allocator<CompOption> >&) () from /usr/lib/x86_64-linux-gnu/libcompiz_core.so.ABI-20151010
 PrivateScreen::triggerStateNotifyBindings(std::vector<CompOption, std::allocator<CompOption> >&, std::vector<CompAction, std::allocator<CompAction> >&, _XkbStateNotifyEvent*, std::vector<CompOption, std::allocator<CompOption> >&) () from /usr/lib/x86_64-linux-gnu/libcompiz_core.so.ABI-20151010
Title: compiz crashed with SIGSEGV in unity::switcher::Controller::Impl::GetCurrentSelection()
UpgradeStatus: Upgraded to xenial on 2016-01-08 (62 days ago)
UserGroups: adm cdrom dialout dip lpadmin netdev plugdev sambashare sudo
dmi.bios.date: 12/19/2013
dmi.bios.vendor: Insyde
dmi.bios.version: F.45
dmi.board.asset.tag: Type2 - Board Asset Tag
dmi.board.name: 1855
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 64.2A
dmi.chassis.asset.tag: 5CG3261W7K
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnInsyde:bvrF.45:bd12/19/2013:svnHewlett-Packard:pnHP1000NotebookPC:pvr088F130000005910000600000:rvnHewlett-Packard:rn1855:rvr64.2A:cvnHewlett-Packard:ct10:cvrChassisVersion:
dmi.product.name: HP 1000 Notebook PC
dmi.product.version: 088F130000005910000600000
dmi.sys.vendor: Hewlett-Packard
version.compiz: compiz 1:0.9.12.2+16.04.20160209-0ubuntu1
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.xserver-xorg-core: xserver-xorg-core 2:1.18.1-1ubuntu3
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: Fri Mar 11 01:01:21 2016
xserver.configfile: default
xserver.errors: RADEON(G0): [XvMC] Failed to initialize extension.
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
 product id 901
 vendor LGD
xserver.version: 2:1.18.1-1ubuntu3