[Bug 1053670] Re: nautilus crashed with SIGSEGV in g_type_check_instance_cast(), from settings_notify_cb(), in dbusmenu's parser.c

[Sebastien Bacher]

** Changed in: nautilus (Ubuntu)
       Status: Confirmed => Invalid

** Changed in: libdbusmenu (Ubuntu)
   Importance: Undecided => High

** Changed in: libdbusmenu (Ubuntu)
       Status: Confirmed => In Progress

** Changed in: glib2.0 (Ubuntu)
       Status: Confirmed => Invalid

** Changed in: glib2.0 (Ubuntu)
   Importance: Undecided => High

** Also affects: glib2.0 (Ubuntu Quantal)
   Importance: High
       Status: Invalid

** Also affects: nautilus (Ubuntu Quantal)
   Importance: High
       Status: Invalid

** Also affects: libdbusmenu (Ubuntu Quantal)
   Importance: High
       Status: In Progress

** Changed in: libdbusmenu (Ubuntu Quantal)
    Milestone: None => ubuntu-12.10-beta-2

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https://bugs.launchpad.net/bugs/1053670

Title:
  nautilus crashed with SIGSEGV in g_type_check_instance_cast(), from
  settings_notify_cb(), in dbusmenu's parser.c

Status in DBus Menu:
  Fix Committed
Status in “glib2.0” package in Ubuntu:
  Invalid
Status in “libdbusmenu” package in Ubuntu:
  In Progress
Status in “nautilus” package in Ubuntu:
  Invalid
Status in “glib2.0” source package in Quantal:
  Invalid
Status in “libdbusmenu” source package in Quantal:
  In Progress
Status in “nautilus” source package in Quantal:
  Invalid

Bug description:
  This problem happens randomly on ubuntu 12.10, as of the updates to
  quantal and quantal-proposed on September 20.  Nautilus did not change
  in these upgrades.  Glib and libdbusmenu did, and those libraries are
  both prominent in the stacktrace.  (I can't tell yet which is really
  the culprit, so, excuse my imprecision, I'm adding them both to the
  report.)

  ProblemType: Crash
  DistroRelease: Ubuntu 12.10
  Package: nautilus 1:3.5.90.really.3.4.2-0ubuntu2
  ProcVersionSignature: Ubuntu 3.5.0-15.22-generic 3.5.4
  Uname: Linux 3.5.0-15-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.5.2-0ubuntu4
  Architecture: amd64
  Date: Thu Sep 20 18:47:08 2012
  ExecutablePath: /usr/bin/nautilus
  GsettingsChanges: b'org.gnome.nautilus.window-state' b'geometry' b"'800x550+564+24'"
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120917)
  ProcCmdline: nautilus -n
  ProcEnviron:
   LANGUAGE=en_CA:en
   PATH=(custom, no user)
   LANG=en_CA.UTF-8
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0x7f38128b2e8c <g_type_check_instance_cast+28>:	mov    (%rax),%rbp
   PC (0x7f38128b2e8c) ok
   source "(%rax)" (0x700000008) not located in a known VMA region (needed readable region)!
   destination "%rbp" ok
  SegvReason: reading unknown VMA
  Signal: 11
  SourcePackage: nautilus
  StacktraceTop:
   g_type_check_instance_cast () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
   ?? () from /usr/lib/x86_64-linux-gnu/libdbusmenu-gtk3.so.4
   g_closure_invoke () 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_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  Title: nautilus crashed with SIGSEGV in g_type_check_instance_cast()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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