NetworkManager crashed with SIGSEGV

[Jing Zhang]

It shows NetworkManager crashed when Ubuntu 15.10 started.

ProblemType: Crash
DistroRelease: Ubuntu 15.10
Package: network-manager 1.0.4-0ubuntu3
ProcVersionSignature: Ubuntu 4.2.0-10.11-generic 4.2.0
Uname: Linux 4.2.0-10-generic x86_64
ApportVersion: 2.18.1-0ubuntu1
Architecture: i386
Date: Thu Sep 17 01:22:05 2015
ExecutablePath: /usr/sbin/NetworkManager
IfupdownConfig:
 auto lo
 iface lo inet loopback
InstallationDate: Installed on 2011-12-01 (1385 days ago)
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
IpRoute:
 default via 192.168.1.1 dev wlan0 proto static metric 600
 169.254.0.0/16 dev wlan0 scope link metric 1000
 192.168.1.0/24 dev wlan0 proto kernel scope link src 192.168.1.13 metric 600
NetworkManager.state:
 [main]
 NetworkingEnabled=true
 WirelessEnabled=true
 WWANEnabled=true
 WimaxEnabled=true
ProcCmdline: /usr/sbin/NetworkManager --no-daemon
ProcEnviron:
 LANG=en_US.UTF-8
 LANGUAGE=en
 PATH=(custom, no user)
RfKill:
 0: phy0: Wireless LAN
  Soft blocked: no
  Hard blocked: no
SegvAnalysis:
 Segfault happened at: 0x80d83fc: mov (%eax),%eax
 PC (0x080d83fc) ok
 source "(%eax)" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: network-manager
StacktraceTop:
 ?? ()
 ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
 ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
 ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
 ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
Title: NetworkManager crashed with SIGSEGV
UpgradeStatus: Upgraded to wily on 2015-08-12 (36 days ago)
UserGroups:

nmcli-dev:
 DEVICE TYPE STATE DBUS-PATH CONNECTION CON-UUID CON-PATH
 wlan0 wifi connected /org/freedesktop/NetworkManager/Devices/2 vodafoneE509 af9db9ab-35e5-40d8-ac17-06a719f176f5 /org/freedesktop/NetworkManager/ActiveConnection/0
 ttyACM0 gsm disconnected /org/freedesktop/NetworkManager/Devices/3 -- -- --
 eth0 ethernet unavailable /org/freedesktop/NetworkManager/Devices/1 -- -- --
 lo loopback unmanaged /org/freedesktop/NetworkManager/Devices/0 -- -- --
nmcli-nm: Error: command ['nmcli', '-f', 'all', 'nm'] failed with exit code 2: Error: Object 'nm' is unknown, try 'nmcli help'.

[Apport retracing service (apport)]

StacktraceTop:
 on_bss_proxy_acquired (proxy=0x97d1e68, result=0x97ac168, user_data=0x97895a8) at supplicant-manager/nm-supplicant-interface.c:157
 g_task_return_now (task=task@entry=0x97ac168) at /build/glib2.0-Lm6jKr/glib2.0-2.45.7/./gio/gtask.c:1104
 g_task_return (task=0x97ac168, type=<optimized out>) at /build/glib2.0-Lm6jKr/glib2.0-2.45.7/./gio/gtask.c:1162
 init_second_async_cb (source_object=0x97d1e68, res=0x9856410, user_data=0x97ac168) at /build/glib2.0-Lm6jKr/glib2.0-2.45.7/./gio/gdbusproxy.c:1805
 g_task_return_now (task=task@entry=0x9856410) at /build/glib2.0-Lm6jKr/glib2.0-2.45.7/./gio/gtask.c:1104

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Luke Faraone (lfaraone)]

I just started experiencing this today, with no change in my hardware or software :/

Blowing away /etc/NetworkManager/ didn't fix anything, sadly.