nm-applet crashed with SIGSEGV in g_type_check_instance_cast()

[Jaime Rave]

I was in a place were the wifi signal was low, and after some disconections this error appear.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: network-manager-gnome 0.9.3.995+git.20120313t141231.c89224f-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-19.30-generic-pae 3.2.11
Uname: Linux 3.2.0-19-generic-pae i686
ApportVersion: 1.94.1-0ubuntu2
Architecture: i386
Date: Mon Mar 19 16:28:05 2012
ExecutablePath: /usr/bin/nm-applet
IfupdownConfig:
 auto lo
 iface lo inet loopback
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha i386 (20120213)
IpRoute:
 default via 192.168.42.129 dev usb0 proto static
 169.254.0.0/16 dev usb0 scope link metric 1000
 192.168.42.0/24 dev usb0 proto kernel scope link src 192.168.42.92 metric 1
NetworkManager.state:
 [main]
 NetworkingEnabled=true
 WirelessEnabled=true
 WWANEnabled=true
 WimaxEnabled=true
ProcCmdline: nm-applet
ProcEnviron:
 LANGUAGE=es_CO:es
 LANG=es_CO.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0xb705f0e3 <g_type_check_instance_cast+83>: movzbl 0xe(%esi),%edx
 PC (0xb705f0e3) ok
 source "0xe(%esi)" (0x7b204f6a) not located in a known VMA region (needed readable region)!
 destination "%edx" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: network-manager-applet
StacktraceTop:
 g_type_check_instance_cast (type_instance=0x859e228, iface_type=139468544) at /build/buildd/glib2.0-2.31.20/./gobject/gtype.c:4000
 ?? () from /usr/lib/i386-linux-gnu/libdbusmenu-gtk3.so.4
 g_cclosure_marshal_VOID__VOID (closure=0x86a6b38, return_value=0x0, n_param_values=1, param_values=0x8839718, invocation_hint=0xbfcf9870, marshal_data=0x0) at /build/buildd/glib2.0-2.31.20/./gobject/gmarshal.c:85
 g_closure_invoke (closure=0x86a6b38, return_value=0x0, n_param_values=1, param_values=0x8839718, invocation_hint=0xbfcf9870) at /build/buildd/glib2.0-2.31.20/./gobject/gclosure.c:777
 signal_emit_unlocked_R (node=0x85981c8, detail=0, instance=0x8593e60, emission_return=0x0, instance_and_params=0x8839718) at /build/buildd/glib2.0-2.31.20/./gobject/gsignal.c:3547
Title: nm-applet 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
nmcli-dev:
 DEVICE TYPE STATE DBUS-PATH
 usb0 802-3-ethernet connected /org/freedesktop/NetworkManager/Devices/5
 eth0 802-3-ethernet unavailable /org/freedesktop/NetworkManager/Devices/1
 wlan0 802-11-wireless disconnected /org/freedesktop/NetworkManager/Devices/0
nmcli-nm:
 RUNNING VERSION STATE NET-ENABLED WIFI-HARDWARE WIFI WWAN-HARDWARE WWAN
 running 0.9.3.995 connected enabled enabled enabled enabled enabled

[Apport retracing service (apport)]

StacktraceTop:
 g_type_check_instance_cast (type_instance=0x859e228, iface_type=139468544) at /build/buildd/glib2.0-2.31.20/./gobject/gtype.c:4000
 theme_changed_cb (theme=0x8593e60, data=0x859e228) at /build/buildd/libdbusmenu-0.5.94/./libdbusmenu-gtk/parser.c:1295
 g_cclosure_marshal_VOID__VOID (closure=0x86a6b38, return_value=0x0, n_param_values=1, param_values=0x8839718, invocation_hint=0xbfcf9870, marshal_data=0x0) at /build/buildd/glib2.0-2.31.20/./gobject/gmarshal.c:85
 g_closure_invoke (closure=0x86a6b38, return_value=0x0, n_param_values=1, param_values=0x8839718, invocation_hint=0xbfcf9870) at /build/buildd/glib2.0-2.31.20/./gobject/gclosure.c:777
 signal_emit_unlocked_R (node=0x85981c8, detail=0, instance=0x8593e60, emission_return=0x0, instance_and_params=0x8839718) at /build/buildd/glib2.0-2.31.20/./gobject/gsignal.c:3547

[Mathieu Trudel-Lapierre (cyphermox)]

That looks like an issue with libdbusmenu...

[Charles Kerr (charlesk)]

Jaime, this is a duplicate of bug #953509 which is fixed in the latest release. Thanks!