[Bug 1053670] Re: nautilus crashed with SIGSEGV in g_type_check_instance_cast()

Edward Donovan launchpad at numble.net
Sun Sep 23 01:21:10 UTC 2012

I think this is true for any crash of the nautilus process that starts
on login, and manages the desktop window, but I want to note this for
anyone trying to match bugs to their symptoms.  Until you start nautilus

* right-click on the desktop does nothing.

* nautilus' quicklist, from the Launcher, stops showing your bookmarked
folders, and becomes a generic quicklist.

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  nautilus crashed with SIGSEGV in g_type_check_instance_cast()

Status in “glib2.0” package in Ubuntu:
Status in “libdbusmenu” package in Ubuntu:
Status in “nautilus” package in Ubuntu:

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

  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
   PATH=(custom, no user)
   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
   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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