** Attachment added: "ThreadStacktrace.txt"
   
https://bugs.launchpad.net/bugs/1226885/+attachment/3904741/+files/ThreadStacktrace.txt

** Changed in: unity-greeter (Ubuntu)
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1226885

Title:
  unity-greeter crashed with SIGSEGV in g_type_check_instance()

Status in Nvidia Feature Request and Bug Reporting:
  New
Status in “unity-greeter” package in Ubuntu:
  Invalid

Bug description:
  Description:  Ubuntu Saucy Salamander (development branch)
  Release:      13.10
  Linux 3.11.0-7-generic x86_64

  Try to install Nvidia Optimus support in ubuntu. GTK2 themes is broken
  (Firefox is very ugly, example). Sometimes screen go to black, when
  logout. Sometimes, the screen freezes, especially when I'm using the
  touchpad, but it's possible to change tty, and when I come back to
  graphic tty the screen returns to normal. I'm going to test Ubuntu
  12.04.3 + nvidia-319 + nvidia-primus and Saucy + nvidia-319 + nvidia-
  primus, without xorg-edgers PPA.

  unity-greeter:
    Installé : 13.10.2-0ubuntu1
    Candidat : 13.10.2-0ubuntu1
   Table de version :
   *** 13.10.2-0ubuntu1 0
          500 http://archive.ubuntu.com/ubuntu/ saucy/main amd64 Packages
          100 /var/lib/dpkg/status

  unity:
    Installé : 7.1.0+13.10.20130903.1-0ubuntu1
    Candidat : 7.1.0+13.10.20130903.1-0ubuntu1
   Table de version :
   *** 7.1.0+13.10.20130903.1-0ubuntu1 0
          500 http://archive.ubuntu.com/ubuntu/ saucy/main amd64 Packages
          100 /var/lib/dpkg/status

  nvidia-325:
    Installé : 325.15-0ubuntu1~xedgers~saucy2
    Candidat : 325.15-0ubuntu1~xedgers~saucy2
   Table de version :
   *** 325.15-0ubuntu1~xedgers~saucy2 0
          500 http://ppa.launchpad.net/xorg-edgers/ppa/ubuntu/ saucy/main amd64 
Packages
          100 /var/lib/dpkg/status

  nvidia-prime:
    Installé : 0.4
    Candidat : 0.4
   Table de version :
   *** 0.4 0
          500 http://archive.ubuntu.com/ubuntu/ saucy/main amd64 Packages
          100 /var/lib/dpkg/status

  xserver-xorg-video-intel:
    Installé : 2:2.21.15+git20130821.f57ce6ef-0ubuntu0sarvatt
    Candidat : 2:2.21.15+git20130821.f57ce6ef-0ubuntu0sarvatt
   Table de version :
   *** 2:2.21.15+git20130821.f57ce6ef-0ubuntu0sarvatt 0
          500 http://ppa.launchpad.net/xorg-edgers/ppa/ubuntu/ saucy/main amd64 
Packages
          100 /var/lif
  ion :
   *** 2.4.46+git20130910.58d00888-0ubuntu0sarvatt 0
          500 http://ppa.launchpad.net/xorg-edgers/ppa/ubuntu/ saucy/main amd64 
Packages
          100 /var/lib/dpkg/status
       2.4.46-1 0
          500 http://archive.ubuntu.com/ubuntu/ saucy/main amd64 Packages

  Asus Laptop R751JB-TY013H

  Intel(R) Core(TM) i7-4700HQ CPU @ 2.40GHz

  MemTotal:        3930552 kB

  00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor 
DRAM Controller (rev 06)
  00:01.0 PCI bridge: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor 
PCI Express x16 Controller (rev 06)
  00:02.0 VGA compatible controller: Intel Corporation 4th Gen Core Processor 
Integrated Graphics Controller (rev 06)
  00:03.0 Audio device: Intel Corporation Xeon E3-1200 v3/4th Gen Core 
Processor HD Audio Controller (rev 06)
  00:14.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family 
USB xHCI (rev 04)
  00:16.0 Communication controller: Intel Corporation 8 Series/C220 Series 
Chipset Family MEI Controller #1 (rev 04)
  00:1a.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family 
USB EHCI #2 (rev 04)
  00:1b.0 Audio device: Intel Corporation 8 Series/C220 Series Chipset High 
Definition Audio Controller (rev 04)
  00:1c.0 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI 
Express Root Port #1 (rev d4)
  00:1c.2 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI 
Express Root Port #3 (rev d4)
  00:1c.3 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI 
Express Root Port #4 (rev d4)
  00:1d.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family 
USB EHCI #1 (rev 04)
  00:1f.0 ISA bridge: Intel Corporation HM86 Express LPC Controller (rev 04)
  00:1f.2 SATA controller: Intel Corporation 8 Series/C220 Series Chipset 
Family 6-port SATA Controller 1 [AHCI mode] (rev 04)
  00:1f.3 SMBus: Intel Corporation 8 Series/C220 Series Chipset Family SMBus 
Controller (rev 04)
  01:00.0 3D controller: NVIDIA Corporation GK208M [GeForce GT 740M] (rev a1)
  03:00.0 Network controller: Qualcomm Atheros AR9485 Wireless Network Adapter 
(rev 01)
  04:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. 
RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 0c)

  sergio-x750jb
      description: Ordinateur Bloc-notes
      produit: X750JB (ASUS-NotebookSKU)
      fabriquant: ASUSTeK COMPUTER INC.
      version: 1.0
      numéro de série: D6N0CV496603257
      bits: 64 bits
      fonctionnalités: smbios-2.7 dmi-2.7 vsyscall32
      configuration: boot=normal chassis=notebook family=X sku=ASUS-NotebookSKU 
uuid=80E6E821-2863-E381-3555-AC220B065291
    *-core
         description: Carte mère
         produit: X750JB
         fabriquant: ASUSTeK COMPUTER INC.
         identifiant matériel: 0
         version: 1.0
         numéro de série: BSN12345678901234567
         emplacement: MIDDLE
       *-firmware
            description: BIOS
            fabriquant: American Megatrends Inc.
            identifiant matériel: 0
            version: X750JB.207
            date: 05/24/2013
            taille: 64KiB
            capacité: 4032KiB
            fonctionnalités: pci upgrade shadowing cdboot bootselect 
socketedrom edd int13floppy1200 int13floppy720 int13floppy2880 int5printscreen 
int9keyboard int14serial int17printer acpi usb biosbootspecification uefi

  [...]

    *-display
         description: 3D controller
         produit: GK208M [GeForce GT 740M]
         fabriquant: NVIDIA Corporation
         identifiant matériel: 0
         information bus: pci@0000:01:00.0
         version: a1
         bits: 64 bits
         horloge: 33MHz
         fonctionnalités: pm msi pciexpress bus_master cap_list rom
         configuration: driver=nvidia latency=0
         ressources: irq:50 mémoire:f6000000-f6ffffff mémoire:e0000000-efffffff 
mémoire:f0000000-f1ffffff portE/S:e000(taille=128) mémoire:f7000000-f707ffff
    *-display
         description: VGA compatible controller
         produit: 4th Gen Core Processor Integrated Graphics Controller
         fabriquant: Intel Corporation
         identifiant matériel: 2
         information bus: pci@0000:00:02.0
         version: 06
         bits: 64 bits
         horloge: 33MHz
         fonctionnalités: msi pm vga_controller bus_master cap_list rom
         configuration: driver=i915 latency=0
         ressources: irq:47 mémoire:f7400000-f77fffff mémoire:d0000000-dfffffff 
portE/S:f000(taille=64)

  ProblemType: Crash
  DistroRelease: Ubuntu 13.10
  Package: unity-greeter 13.10.2-0ubuntu1
  ProcVersionSignature: Ubuntu 3.11.0-7.14-generic 3.11.1
  Uname: Linux 3.11.0-7-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.12.1-0ubuntu4
  Architecture: amd64
  Date: Wed Sep 18 01:48:13 2013
  ExecutablePath: /usr/sbin/unity-greeter
  InstallationDate: Installed on 2013-09-16 (1 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Alpha amd64 (20130913)
  MarkForUpload: True
  ProcCmdline: /usr/sbin/unity-greeter
  ProcEnviron:
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=fr_FR.UTF-8
   SHELL=/bin/false
  SegvAnalysis:
   Segfault happened at: 0x7fa4d7abc719 <g_type_check_instance+25>:     mov    
(%rax),%rdi
   PC (0x7fa4d7abc719) ok
   source "(%rax)" (0xaaaaaaaaaaaaaaaa) not located in a known VMA region 
(needed readable region)!
   destination "%rdi" ok
  SegvReason: reading unknown VMA
  Signal: 11
  SourcePackage: unity-greeter
  StacktraceTop:
   g_type_check_instance () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
   g_signal_handlers_disconnect_matched () from 
/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
   gtk_menu_detach () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
   ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
   g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  Title: unity-greeter crashed with SIGSEGV in g_type_check_instance()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:

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