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[siucdude <siucdude@xxxxxxxxxxxxxxx>]

Public bug reported:

this started happening on my test box after recent updates

ProblemType: Crash
DistroRelease: Ubuntu 17.10
Package: compiz-core 1:0.9.13.1+17.10.20170515-0ubuntu1
ProcVersionSignature: Ubuntu 4.11.0-5.10-generic 4.11.3
Uname: Linux 4.11.0-5-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
.proc.driver.nvidia.gpus.0000.04.00.0: Error: [Errno 21] Is a directory: '/proc/driver/nvidia/gpus/0000:04:00.0'
.proc.driver.nvidia.registry: Binary: ""
.proc.driver.nvidia.version:
 NVRM version: NVIDIA UNIX x86_64 Kernel Module  375.66  Mon May  1 15:29:16 PDT 2017
 GCC version:  gcc version 6.3.0 20170519 (Ubuntu/Linaro 6.3.0-18ubuntu2)
.tmp.unity_support_test.0:
 
ApportVersion: 2.20.5-0ubuntu4
Architecture: amd64
BootLog:
 
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:Unity7
Date: Wed Jun  7 09:34:39 2017
DistUpgraded: 2017-02-14 13:25:06,906 DEBUG Running PostInstallScript: './xorg_fix_proprietary.py'
DistroCodename: artful
DistroVariant: ubuntu
DkmsStatus:
 bbswitch, 0.8, 4.10.0-22-generic, x86_64: installedError! Could not locate dkms.conf file.
 File:  does not exist.
 
 bbswitch, 0.8, 4.11.0-5-generic, x86_64: installed
ExecutablePath: /usr/bin/compiz
GraphicsCard:
 Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a16] (rev 0b) (prog-if 00 [VGA controller])
   Subsystem: Lenovo Haswell-ULT Integrated Graphics Controller [17aa:5044]
   Subsystem: Lenovo GM108M [GeForce 840M] [17aa:5044]
InstallationDate: Installed on 2015-12-17 (537 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
MachineType: LENOVO 20DM000VUS
ProcCmdline: /usr/bin/compiz
ProcEnviron:
 LANG=en_US.UTF-8
 LANGUAGE=en_US
 PATH=(custom, no user)
 SHELL=/bin/bash
 XDG_RUNTIME_DIR=<set>
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.11.0-5-generic root=UUID=a66602e1-7190-468b-b634-52e440371c59 ro rootflags=subvol=@ quiet splash vt.handoff=7
SegvAnalysis:
 Segfault happened at: 0x7fb42967de18 <malloc_consolidate+280>:	mov    0x8(%rbx),%rax
 PC (0x7fb42967de18) ok
 source "0x8(%rbx)" (0x55dd00000009) not located in a known VMA region (needed readable region)!
 destination "%rax" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: compiz
StacktraceTop:
 malloc_consolidate (av=av@entry=0x7fb4299beb00 <main_arena>) at malloc.c:4202
 _int_free (av=0x7fb4299beb00 <main_arena>, p=0x55dde3ddd8e0, have_lock=0) at malloc.c:4110
 __GI___libc_free (mem=<optimized out>) at malloc.c:2982
 () at /usr/lib/nvidia-375/libGLX_nvidia.so.0
 () at /usr/lib/nvidia-375/libnvidia-glcore.so.375.66
Title: compiz crashed with SIGSEGV in malloc_consolidate()
UpgradeStatus: Upgraded to artful on 2017-02-14 (112 days ago)
UserGroups: adm cdrom dip kismet libvirt lpadmin lxd plugdev sambashare sudo ubridge
dmi.bios.date: 11/09/2016
dmi.bios.vendor: LENOVO
dmi.bios.version: JGET28WW (1.14 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20DM000VUS
dmi.board.vendor: LENOVO
dmi.board.version: SDK0E50512 STD
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias: dmi:bvnLENOVO:bvrJGET28WW(1.14):bd11/09/2016:svnLENOVO:pn20DM000VUS:pvrThinkPadS3Yoga14:rvnLENOVO:rn20DM000VUS:rvrSDK0E50512STD:cvnLENOVO:ct10:cvrNone:
dmi.product.name: 20DM000VUS
dmi.product.version: ThinkPad S3 Yoga 14
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.13.1+17.10.20170515-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.80-1
version.libgl1-mesa-dri: libgl1-mesa-dri 17.1.2-1ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 17.1.2-1ubuntu1
version.nvidia-graphics-drivers: nvidia-graphics-drivers-* N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.19.3-1ubuntu2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.5-1ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.9.0-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20170309-0ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.14-0ubuntu1
xserver.bootTime: Wed Jun  7 09:35:35 2017
xserver.configfile: /etc/X11/xorg.conf
xserver.errors:
 
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.19.3-1ubuntu2

** Affects: compiz (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-crash artful compiz-0.9 need-amd64-retrace single-occurrence ubuntu

** Information type changed from Private to Public

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https://bugs.launchpad.net/bugs/1696442

Title:
  compiz crashed with SIGSEGV in malloc_consolidate()

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