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[Bug 870582] Re: Trying to show vlc’s playlist crashes unity-window-decorator with SIGSEGV in g_slice_alloc()

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** Description changed:

  I had this bug earlier, that I thought was fixed with overlay-scrollbar
  blacklists, but it happens again today.
  
  Steps to reproduce :
  - disable swap (otherwise you’ll get an endlessly swapping multi-gigabyte Xorg)
  - start vlc
  - click the show playlist button
  
- Using up to date oneiric with fglrx.
+ Running up to date oneiric with fglrx.
  
  ProblemType: Crash
  DistroRelease: Ubuntu 11.10
  Package: compiz-gnome 1:0.9.6+bzr20110929-0ubuntu3
  ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
  Uname: Linux 3.0.0-12-generic x86_64
  NonfreeKernelModules: fglrx
  .tmp.unity.support.test.0:
-  
+ 
  ApportVersion: 1.23-0ubuntu2
  Architecture: amd64
  CompizPlugins: [core,bailer,detection,composite,opengl,decor,mousepoll,vpswitch,regex,animation,snap,expo,move,compiztoolbox,place,grid,imgpng,gnomecompat,wall,ezoom,workarounds,resize,fade,unitymtgrabhandles,scale,session,unityshell]
  CompositorRunning: compiz
  Date: Sat Oct  8 11:32:49 2011
  DistUpgraded: Log time: 2011-09-14 20:39:50.411421
  DistroCodename: oneiric
  DistroVariant: ubuntu
  DkmsStatus:
-  fglrx, 8.881, 3.0.0-12-generic, x86_64: installed
-  virtualbox, 4.1.2, 3.0.0-12-generic, x86_64: installed
+  fglrx, 8.881, 3.0.0-12-generic, x86_64: installed
+  virtualbox, 4.1.2, 3.0.0-12-generic, x86_64: installed
  ExecutablePath: /usr/bin/unity-window-decorator
  GraphicsCard:
-  ATI Technologies Inc Juniper [Radeon HD 5750 Series] [1002:68be] (prog-if 00 [VGA controller])
-    Subsystem: Hightech Information System Ltd. Device [1787:2287]
+  ATI Technologies Inc Juniper [Radeon HD 5750 Series] [1002:68be] (prog-if 00 [VGA controller])
+    Subsystem: Hightech Information System Ltd. Device [1787:2287]
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
  JockeyStatus:
-  xorg:fglrx_updates - Pilotes graphiques FGLRX propriétaires ATI/AMD (mises à jour postérieures à la sortie d'Ubuntu) (Propriétaire, Désactivé, Non utilisé)
-  xorg:fglrx - Pilote propriétaire ATI/AMD pour carte graphique FGLRX (Propriétaire, Activé, Utilisé)
+  xorg:fglrx_updates - Pilotes graphiques FGLRX propriétaires ATI/AMD (mises à jour postérieures à la sortie d'Ubuntu) (Propriétaire, Désactivé, Non utilisé)
+  xorg:fglrx - Pilote propriétaire ATI/AMD pour carte graphique FGLRX (Propriétaire, Activé, Utilisé)
  MachineType: MSI MS-7642
  ProcCmdline: /usr/bin/unity-window-decorator
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-12-generic root=UUID=36471fcc-fd89-4906-9bb7-d7ed48f32d12 ro quiet splash vt.handoff=7
  SegvAnalysis:
-  Segfault happened at: 0x7fa97bbf80b5 <g_slice_alloc+293>:	mov    (%rbx),%rdx
-  PC (0x7fa97bbf80b5) ok
-  source "(%rbx)" (0xffffffff) not located in a known VMA region (needed readable region)!
-  destination "%rdx" ok
+  Segfault happened at: 0x7fa97bbf80b5 <g_slice_alloc+293>:	mov    (%rbx),%rdx
+  PC (0x7fa97bbf80b5) ok
+  source "(%rbx)" (0xffffffff) not located in a known VMA region (needed readable region)!
+  destination "%rdx" ok
  SegvReason: reading unknown VMA
  Signal: 11
  SourcePackage: compiz
  StacktraceTop:
-  g_slice_alloc () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
-  g_slice_alloc0 () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
-  g_type_create_instance () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
-  ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
-  g_object_newv () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
+  g_slice_alloc () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
+  g_slice_alloc0 () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
+  g_type_create_instance () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
+  ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
+  g_object_newv () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  Title: unity-window-decorator crashed with SIGSEGV in g_slice_alloc()
  UpgradeStatus: Upgraded to oneiric on 2011-09-30 (7 days ago)
  UserGroups: adm admin cdrom dialout libvirtd lpadmin plugdev sambashare
  dmi.bios.date: 12/24/2010
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: V1.8
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: 890GXM-G65 (MS-7642)
  dmi.board.vendor: MSI
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: MSI
  dmi.chassis.version: 1.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrV1.8:bd12/24/2010:svnMSI:pnMS-7642:pvr1.0:rvnMSI:rn890GXM-G65(MS-7642):rvr1.0:cvnMSI:ct3:cvr1.0:
  dmi.product.name: MS-7642
  dmi.product.version: 1.0
  dmi.sys.vendor: MSI
  version.compiz: compiz 1:0.9.6+bzr20110929-0ubuntu3
  version.fglrx-installer: fglrx-installer N/A
  version.ia32-libs: ia32-libs 20090808ubuntu26
  version.libdrm2: libdrm2 2.4.26-1ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 7.11-0ubuntu3
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 7.11-0ubuntu3
  version.xserver-xorg: xserver-xorg 1:7.6+7ubuntu7
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.6.0-1ubuntu13
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20110811.g93fc084-0ubuntu1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.15.901-1ubuntu2
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110411+8378443-1

** Description changed:

  I had this bug earlier, that I thought was fixed with overlay-scrollbar
  blacklists, but it happens again today.
  
  Steps to reproduce :
  - disable swap (otherwise you’ll get an endlessly swapping multi-gigabyte Xorg)
  - start vlc
  - click the show playlist button
  
- Running up to date oneiric with fglrx.
+ Running an up to date oneiric with fglrx.
  
  ProblemType: Crash
  DistroRelease: Ubuntu 11.10
  Package: compiz-gnome 1:0.9.6+bzr20110929-0ubuntu3
  ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
  Uname: Linux 3.0.0-12-generic x86_64
  NonfreeKernelModules: fglrx
  .tmp.unity.support.test.0:
  
  ApportVersion: 1.23-0ubuntu2
  Architecture: amd64
  CompizPlugins: [core,bailer,detection,composite,opengl,decor,mousepoll,vpswitch,regex,animation,snap,expo,move,compiztoolbox,place,grid,imgpng,gnomecompat,wall,ezoom,workarounds,resize,fade,unitymtgrabhandles,scale,session,unityshell]
  CompositorRunning: compiz
  Date: Sat Oct  8 11:32:49 2011
  DistUpgraded: Log time: 2011-09-14 20:39:50.411421
  DistroCodename: oneiric
  DistroVariant: ubuntu
  DkmsStatus:
   fglrx, 8.881, 3.0.0-12-generic, x86_64: installed
   virtualbox, 4.1.2, 3.0.0-12-generic, x86_64: installed
  ExecutablePath: /usr/bin/unity-window-decorator
  GraphicsCard:
   ATI Technologies Inc Juniper [Radeon HD 5750 Series] [1002:68be] (prog-if 00 [VGA controller])
     Subsystem: Hightech Information System Ltd. Device [1787:2287]
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
  JockeyStatus:
   xorg:fglrx_updates - Pilotes graphiques FGLRX propriétaires ATI/AMD (mises à jour postérieures à la sortie d'Ubuntu) (Propriétaire, Désactivé, Non utilisé)
   xorg:fglrx - Pilote propriétaire ATI/AMD pour carte graphique FGLRX (Propriétaire, Activé, Utilisé)
  MachineType: MSI MS-7642
  ProcCmdline: /usr/bin/unity-window-decorator
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-12-generic root=UUID=36471fcc-fd89-4906-9bb7-d7ed48f32d12 ro quiet splash vt.handoff=7
  SegvAnalysis:
   Segfault happened at: 0x7fa97bbf80b5 <g_slice_alloc+293>:	mov    (%rbx),%rdx
   PC (0x7fa97bbf80b5) ok
   source "(%rbx)" (0xffffffff) not located in a known VMA region (needed readable region)!
   destination "%rdx" ok
  SegvReason: reading unknown VMA
  Signal: 11
  SourcePackage: compiz
  StacktraceTop:
   g_slice_alloc () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
   g_slice_alloc0 () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
   g_type_create_instance () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
   ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
   g_object_newv () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  Title: unity-window-decorator crashed with SIGSEGV in g_slice_alloc()
  UpgradeStatus: Upgraded to oneiric on 2011-09-30 (7 days ago)
  UserGroups: adm admin cdrom dialout libvirtd lpadmin plugdev sambashare
  dmi.bios.date: 12/24/2010
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: V1.8
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: 890GXM-G65 (MS-7642)
  dmi.board.vendor: MSI
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: MSI
  dmi.chassis.version: 1.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrV1.8:bd12/24/2010:svnMSI:pnMS-7642:pvr1.0:rvnMSI:rn890GXM-G65(MS-7642):rvr1.0:cvnMSI:ct3:cvr1.0:
  dmi.product.name: MS-7642
  dmi.product.version: 1.0
  dmi.sys.vendor: MSI
  version.compiz: compiz 1:0.9.6+bzr20110929-0ubuntu3
  version.fglrx-installer: fglrx-installer N/A
  version.ia32-libs: ia32-libs 20090808ubuntu26
  version.libdrm2: libdrm2 2.4.26-1ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 7.11-0ubuntu3
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 7.11-0ubuntu3
  version.xserver-xorg: xserver-xorg 1:7.6+7ubuntu7
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.6.0-1ubuntu13
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20110811.g93fc084-0ubuntu1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.15.901-1ubuntu2
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110411+8378443-1

** Visibility changed to: Public

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https://bugs.launchpad.net/bugs/870582

Title:
  Trying to show vlc’s playlist crashes unity-window-decorator with
  SIGSEGV in g_slice_alloc()

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