compiz crashed with SIGSEGV in nux::BaseTexture::GetDeviceTexture()

[Max Rohland]

after exiting fullscreen mode of the video player the screen freezes (sound of played video continues). After several seconds, everything is back to normal

ProblemType: Crash
DistroRelease: Ubuntu 16.04
Package: compiz-core 1:0.9.12.2+16.04.20160331-0ubuntu1
ProcVersionSignature: Ubuntu 4.4.0-16.32-generic 4.4.6
Uname: Linux 4.4.0-16-generic x86_64
.tmp.unity.support.test.0:

ApportVersion: 2.20.1-0ubuntu1
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
CurrentDesktop: Unity
Date: Tue Apr 5 22:54:15 2016
DistUpgraded: Fresh install
DistroCodename: xenial
DistroVariant: ubuntu
ExecutablePath: /usr/bin/compiz
GraphicsCard:
 Intel Corporation Sky Lake Integrated Graphics [8086:1912] (rev 06) (prog-if 00 [VGA controller])
   Subsystem: Gigabyte Technology Co., Ltd Skylake Integrated Graphics [1458:d000]
InstallationDate: Installed on 2016-04-03 (2 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Beta amd64 (20160323)
MachineType: Gigabyte Technology Co., Ltd. Z170X-UD5 TH
ProcCmdline: compiz
ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-4.4.0-16-generic.efi.signed root=UUID=2ccff2e7-2f84-42de-9b83-f77e54279b26 ro rootflags=subvol=@ quiet splash vt.handoff=7
SegvAnalysis:
 Segfault happened at: 0x7f9675ed4203 <_ZN3nux11BaseTexture16GetDeviceTextureEv+163>: mov 0xe0(%rbx),%rax
 PC (0x7f9675ed4203) ok
 source "0xe0(%rbx)" (0x000000e0) not located in a known VMA region (needed readable region)!
 destination "%rax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: compiz
StacktraceTop:
 nux::BaseTexture::GetDeviceTexture() () from /usr/lib/x86_64-linux-gnu/libnux-graphics-4.0.so.0
 unity::ui::UnityWindowView::DrawBackground(nux::GraphicsEngine&, nux::Rect const&) () from /usr/lib/x86_64-linux-gnu/compiz/libunityshell.so
 unity::ui::UnityWindowView::Draw(nux::GraphicsEngine&, bool) () from /usr/lib/x86_64-linux-gnu/compiz/libunityshell.so
 nux::View::ProcessDraw(nux::GraphicsEngine&, bool) () from /usr/lib/x86_64-linux-gnu/libnux-4.0.so.0
 nux::Layout::ProcessDraw(nux::GraphicsEngine&, bool) () from /usr/lib/x86_64-linux-gnu/libnux-4.0.so.0
Title: compiz crashed with SIGSEGV in nux::BaseTexture::GetDeviceTexture()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
dmi.bios.date: 10/20/2015
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: F3
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: Z170X-UD5 TH-CF
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrF3:bd10/20/2015:svnGigabyteTechnologyCo.,Ltd.:pnZ170X-UD5TH:pvrTobefilledbyO.E.M.:rvnGigabyteTechnologyCo.,Ltd.:rnZ170X-UD5TH-CF:rvrx.x:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: Z170X-UD5 TH
dmi.product.version: To be filled by O.E.M.
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
version.compiz: compiz 1:0.9.12.2+16.04.20160331-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.67-1
version.libgl1-mesa-dri: libgl1-mesa-dri 11.1.2-1ubuntu2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 11.1.2-1ubuntu2
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+git20160325-1ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.12-1build2
xserver.bootTime: Tue Apr 5 22:30:35 2016
xserver.configfile: default
xserver.errors:

xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
 product id 16573
 vendor DEL
xserver.version: 2:1.18.1-1ubuntu4

[Apport retracing service (apport)]

StacktraceTop:
 ObjectPtr (other=..., this=0x7ffc0ab264e0) at ../NuxCore/ObjectPtr.h:51
 nux::BaseTexture::GetDeviceTexture (this=<optimized out>) at GLTextureResourceManager.cpp:309
 ?? ()
 ?? ()
 ?? ()

[Launchpad Janitor (janitor)]

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