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[Uwe Lück <1406712@xxxxxxxxxxxxxxxxxx>]

A friend suggested just to accept the crashes and to restart the application
by a trivial loop, so I have some

    ( while :; do nm-applet
               iiig_log lost nm-applet ## log entries from my GSM scripts
               sleep 5                            ## problem high-frequency looping
           done; ) >> 3g.log 2>&1 &

>From the resulting log entries I can present some NM messages around 
crashing last Monday (they really show "every few hours"):

--
** (nm-applet:28364): CRITICAL **: nm_client_get_manager_running: assertion 'NM_IS_CLIENT (client)' failed

** (nm-applet:28364): CRITICAL **: nm_client_get_state: assertion 'NM_IS_CLIENT (client)' failed
./benno.sh: Zeile 6: 28364 Speicherzugriffsfehler  (Speicherabzug geschrieben) nm-applet
lost nm-applet -- 09:10:45, Montag
connected 09:10:51
nm-applet-Message: using fallback from indicator to GtkStatusIcon
--
(nm-applet:3322): GLib-CRITICAL **: Source ID 71 was not found when attempting to remove it

(nm-applet:3322): GLib-CRITICAL **: Source ID 1324 was not found when attempting to remove it
./benno.sh: Zeile 6:  3322 Speicherzugriffsfehler  (Speicherabzug geschrieben) nm-applet
lost nm-applet -- 10:36:04, Montag
nm-applet-Message: using fallback from indicator to GtkStatusIcon
--
** (nm-applet:5764): WARNING **: async_got_type: could not read properties for /org/freedesktop/NetworkManager/Devices/4: Method "Get" with signature "ss" on interface "org.freedesktop.DBus.Properties" doesn't exist
--
(nm-applet:5764): GLib-CRITICAL **: Source ID 82 was not found when attempting to remove it

(nm-applet:5764): GLib-CRITICAL **: Source ID 4456 was not found when attempting to remove it
./benno.sh: Zeile 6:  5764 Speicherzugriffsfehler  (Speicherabzug geschrieben) nm-applet
lost nm-applet -- 14:33:36, Montag
nm-applet-Message: using fallback from indicator to GtkStatusIcon
--
(nm-applet:10796): GLib-CRITICAL **: Source ID 82 was not found when attempting to remove it

(nm-applet:10796): GLib-CRITICAL **: Source ID 596 was not found when attempting to remove it
./benno.sh: Zeile 6: 10796 Speicherzugriffsfehler  (Speicherabzug geschrieben) nm-applet
lost nm-applet -- 14:41:57, Montag
nm-applet-Message: using fallback from indicator to GtkStatusIcon
--
** (nm-applet:11451): CRITICAL **: nm_client_get_state: assertion 'NM_IS_CLIENT (client)' failed

(nm-applet:11451): Gtk-CRITICAL **: gtk_status_icon_set_visible: assertion 'GTK_IS_STATUS_ICON (status_icon)' failed
./benno.sh: Zeile 6: 11451 Speicherzugriffsfehler  (Speicherabzug geschrieben) nm-applet
lost nm-applet -- 20:38:24, Montag
nm-applet-Message: using fallback from indicator to GtkStatusIcon

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to network-manager in Ubuntu.
https://bugs.launchpad.net/bugs/1406712

Title:
  NetworkManager crashes every few hours with Lubuntu 14.04.1, removing
  applet from lxpanel.

Status in network-manager package in Ubuntu:
  New

Bug description:
  Sometimes I don't find any way to get it back without restarting. 
  (I don't like restarting because then I must re-open 
  at least 5 LXTerminal tabs I use in every session.)
  Sometimes I even can't use WvDial anymore after certain 
  NetworkManager crashes, "Invalid dial command", maybe 
  related modem key management by NetworkManager and ...!? 

  Yes, I usually connect to the web by UMTS; alternatively sometimes
  by LAN, rarely by WLAN. I like NetworkManager for its 
  notifications and its icons in the panel.

  This has happened since I switched to Lubuntu 14.04.1.
  With Lubuntu 12.10 and Lubuntu 13.04, there only was 
  the "enable mobile broadband" problem for which I had 
  workarounds.

  Sometimes nm-applet even collapses when it connects successfully.

  lubuntu@lubuntu:~$ apt-cache policy network-manager
  network-manager:
    Installiert:           0.9.8.8-0ubuntu7
    Installationskandidat: 0.9.8.8-0ubuntu7
    Versionstabelle:
   *** 0.9.8.8-0ubuntu7 0
          500 http://archive.ubuntu.com/ubuntu/ trusty/main i386 Packages
          100 /var/lib/dpkg/status

  (more like this already have been gathered by apport)

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: network-manager 0.9.8.8-0ubuntu7
  ProcVersionSignature: Ubuntu 3.13.0-32.57-generic 3.13.11.4
  Uname: Linux 3.13.0-32-generic i686
  ApportVersion: 2.14.1-0ubuntu3.2
  Architecture: i386
  CRDA: Error: [Errno 2] Datei oder Verzeichnis nicht gefunden: 'iw'
  CasperVersion: 1.340
  CurrentDesktop: LXDE
  Date: Wed Dec 31 06:49:22 2014
  IfupdownConfig:
   # interfaces(5) file used by ifup(8) and ifdown(8)
   auto lo
   iface lo inet loopback
  IpRoute:
   default via 10.64.64.64 dev ppp0  proto static 
   10.64.64.64 dev ppp0  proto kernel  scope link  src 10.222.214.5
  LiveMediaBuild: Lubuntu 14.04.1 LTS "Trusty Tahr" - Release i386 (20140722.2)
  NetworkManager.state:
   [main]
   NetworkingEnabled=true
   WirelessEnabled=true
   WWANEnabled=true
   WimaxEnabled=true
  SourcePackage: network-manager
  UpgradeStatus: No upgrade log present (probably fresh install)
  WifiSyslog:
   Dec 31 06:19:59 lubuntu kernel: [ 2054.511178] Media[9578]: segfault at 0 ip   (null) sp a46a493c error 14
   Dec 31 06:23:09 lubuntu kernel: [ 2244.435972] perf samples too long (2519 > 2500), lowering kernel.perf_event_max_sample_rate to 50000
  nmcli-con:
   NAME                      UUID                                   TYPE              TIMESTAMP    TIMESTAMP-REAL                     AUTOCONNECT   READONLY   DBUS-PATH                                 
   Kabelnetzwerkverbindung 1 5b95bb40-4fe3-4710-986e-1d369bbcfb67   802-3-ethernet    1420002089   Mi 31 Dez 2014 06:01:29 CET        yes           no         /org/freedesktop/NetworkManager/Settings/2
   E-Plus Vorgabe            3147833c-6fae-4422-b031-1fb5439dca8e   gsm               1420004801   Mi 31 Dez 2014 06:46:41 CET        yes           no         /org/freedesktop/NetworkManager/Settings/1
   pasing                    8c214b46-0633-4a14-b287-470ea2f63e01   802-11-wireless   0            never                              yes           no         /org/freedesktop/NetworkManager/Settings/0
  nmcli-dev:
   DEVICE     TYPE              STATE         DBUS-PATH                                  
   ttyUSB2    gsm               connected     /org/freedesktop/NetworkManager/Devices/2  
   wlan1      802-11-wireless   disconnected  /org/freedesktop/NetworkManager/Devices/1  
   eth1       802-3-ethernet    unavailable   /org/freedesktop/NetworkManager/Devices/0
  nmcli-nm:
   RUNNING         VERSION    STATE           NET-ENABLED   WIFI-HARDWARE   WIFI       WWAN-HARDWARE   WWAN      
   running         0.9.8.8    connected       enabled       enabled         enabled    enabled         enabled

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