compiz team mailing list archive

[Daniel van Vugt <daniel.van.vugt@xxxxxxxxxxxxx>]

Confirmed. I was getting this exact stacktrace myself yesterday. The
crash goes away if you disable the unityshell plugin.

Also "libgvfsdbus.so" suggests it's something to do with the Unity
launcher or file lens.

** Visibility changed to: Public

** Changed in: compiz (Ubuntu)
       Status: New => Confirmed

** Summary changed:

- compiz crashed with SIGSEGV in g_type_check_instance_is_a()
+ compiz crashed with SIGSEGV in g_type_check_instance_is_a() from g_object_unref() from _g_file_attribute_value_clear() from ... from query_info_async_cb() [libgvfsdbus.so]

** Package changed: compiz (Ubuntu) => unity (Ubuntu)

** Also affects: unity
   Importance: Undecided
       Status: New

** Changed in: unity
       Status: New => Confirmed

** Changed in: unity
   Importance: Undecided => High

** Changed in: unity (Ubuntu)
   Importance: Medium => High

** Description changed:

+ Heap corruption immediately on startup when the unityshell plugin is
+ loaded!
+ 
+ ORIGINAL DESCRIPTION:
  Hello,
  
  Daniel Angel, in bug 750386, asked us to test this command line:
  
  env MALLOC_CHECK_=3 G_SLICE=always-malloc unity --replace
  
  wich makes Unity/compiz crashed.
  
  ProblemType: Crash
  DistroRelease: Ubuntu 12.10
  Package: compiz-core 1:0.9.8.4-0ubuntu1
  ProcVersionSignature: Ubuntu 3.5.0-16.25-generic 3.5.4
  Uname: Linux 3.5.0-16-generic i686
  NonfreeKernelModules: wl
  .tmp.unity.support.test.0:
-  
+ 
  ApportVersion: 2.6.1-0ubuntu1
  Architecture: i386
  CheckboxSubmission: 089e3c944ec0c0ba294fba3f2fda5dbe
  CheckboxSystem: e2a9e28435948e86843155dc45ba128e
  CompizPlugins: [core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,workarounds,scale,expo,ezoom]
  CompositorRunning: compiz
  Date: Thu Oct  4 12:12:08 2012
  DistUpgraded: 2012-08-27 16:56:34,598 DEBUG enabling apt cron job
  DistroCodename: quantal
  DistroVariant: ubuntu
  ExecutablePath: /usr/bin/compiz
  GraphicsCard:
-  Advanced Micro Devices [AMD] nee ATI RV630 [Mobility Radeon HD 2600 XT] [1002:9583] (prog-if 00 [VGA controller])
-    Subsystem: Apple Inc. Device [106b:0083]
+  Advanced Micro Devices [AMD] nee ATI RV630 [Mobility Radeon HD 2600 XT] [1002:9583] (prog-if 00 [VGA controller])
+    Subsystem: Apple Inc. Device [106b:0083]
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha i386 (20120222)
  MachineType: Apple Inc. iMac7,1
  ProcCmdline: compiz --replace
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-16-generic root=UUID=147fe03f-9d3d-456c-a928-248ec8a163cf ro quiet splash vt.handoff=7
  SegvAnalysis:
-  Segfault happened at: 0xb6fecfc7 <g_type_check_instance_is_a+87>:	testb  $0x4,0xe(%ecx)
-  PC (0xb6fecfc7) ok
-  source "$0x4" ok
-  destination "0xe(%ecx)" (0x03a7fe26) not located in a known VMA region (needed writable region)!
+  Segfault happened at: 0xb6fecfc7 <g_type_check_instance_is_a+87>:	testb  $0x4,0xe(%ecx)
+  PC (0xb6fecfc7) ok
+  source "$0x4" ok
+  destination "0xe(%ecx)" (0x03a7fe26) not located in a known VMA region (needed writable region)!
  SegvReason: writing unknown VMA
  Signal: 11
  SourcePackage: compiz
  StacktraceTop:
-  g_type_check_instance_is_a () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
-  g_object_unref () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
-  ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
-  ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
-  g_object_unref () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
+  g_type_check_instance_is_a () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
+  g_object_unref () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
+  ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
+  ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
+  g_object_unref () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
  Title: compiz crashed with SIGSEGV in g_type_check_instance_is_a()
  UpgradeStatus: Upgraded to quantal on 2012-08-27 (37 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  XsessionErrors:
-  gnome-session[3419]: WARNING: Application 'compiz.desktop' killed by signal 9
-  gnome-session[3419]: WARNING: App 'compiz.desktop' respawning too quickly
-  gnome-session[3419]: CRITICAL: We failed, but the fail whale is dead. Sorry....
-  gnome-session[3419]: WARNING: App 'compiz.desktop' respawning too quickly
+  gnome-session[3419]: WARNING: Application 'compiz.desktop' killed by signal 9
+  gnome-session[3419]: WARNING: App 'compiz.desktop' respawning too quickly
+  gnome-session[3419]: CRITICAL: We failed, but the fail whale is dead. Sorry....
+  gnome-session[3419]: WARNING: App 'compiz.desktop' respawning too quickly
  dmi.bios.date: 03/05/08
  dmi.bios.vendor: Apple Inc.
  dmi.bios.version: IM71.88Z.007A.B03.0803051705
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: Mac-F4238CC8
  dmi.board.vendor: Apple Inc.
  dmi.board.version: PVT
  dmi.chassis.asset.tag: Asset Tag#
  dmi.chassis.type: 13
  dmi.chassis.vendor: Apple Inc.
  dmi.chassis.version: Mac-F4238CC8
  dmi.modalias: dmi:bvnAppleInc.:bvrIM71.88Z.007A.B03.0803051705:bd03/05/08:svnAppleInc.:pniMac7,1:pvr1.0:rvnAppleInc.:rnMac-F4238CC8:rvrPVT:cvnAppleInc.:ct13:cvrMac-F4238CC8:
  dmi.product.name: iMac7,1
  dmi.product.version: 1.0
  dmi.sys.vendor: Apple Inc.
  version.compiz: compiz 1:0.9.8.4-0ubuntu1
  version.libdrm2: libdrm2 2.4.39-0ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 9.0~git20120917.7cfd42ce-0ubuntu3
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 9.0~git20120917.7cfd42ce-0ubuntu3
  version.xserver-xorg-core: xserver-xorg-core 2:1.13.0-0ubuntu5
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu1
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.99.99~git20120913.8637f772-0ubuntu1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.20.9-0ubuntu2
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.2-0ubuntu2

** Changed in: unity
    Milestone: None => 7.0.0

** Also affects: unity/6.0
   Importance: Undecided
       Status: New

** Changed in: unity/6.0
    Milestone: None => 6.10.0

** Changed in: unity/6.0
       Status: New => Confirmed

** Changed in: unity/6.0
   Importance: Undecided => High

-- 
You received this bug notification because you are a member of compiz
packagers, which is subscribed to compiz in Ubuntu.
https://bugs.launchpad.net/bugs/1061510

Title:
  compiz crashed with SIGSEGV in g_type_check_instance_is_a() from
  g_object_unref() from _g_file_attribute_value_clear() from ... from
  query_info_async_cb() [libgvfsdbus.so]

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