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[Xavier Bassery <xavier@xxxxxxxxxxx>]

*** This bug is a duplicate of bug 915825 ***
    https://bugs.launchpad.net/bugs/915825


** Visibility changed to: Public

** This bug has been marked a duplicate of bug 915825
   network-manager can't start openvpn connection with "dns=dnsmasq" in /etc/NetworkManager/NetworkManager.conf

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https://bugs.launchpad.net/bugs/916516

Title:
  NetworkManager crashed with SIGSEGV in nm_ip4_config_get_nameserver()

Status in “network-manager” package in Ubuntu:
  New

Bug description:
  NetworkManager crashes as soon as I try to activate my VPN connection (openVPN).
  As mentioned in bug #915825, removing the new "dns=dnsmasq" line from /etc/NetworkManager/NetworkManager.conf prevents this crash from happening.

  ProblemType: Crash
  DistroRelease: Ubuntu 12.04
  Package: network-manager 0.9.2.0+git201201101813.0b30200-0ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-8.15-generic-pae 3.2.0
  Uname: Linux 3.2.0-8-generic-pae i686
  NonfreeKernelModules: nvidia
  ApportVersion: 1.90-0ubuntu2
  Architecture: i386
  CrashCounter: 1
  Date: Sat Jan 14 16:36:56 2012
  ExecutablePath: /usr/sbin/NetworkManager
  ExecutableTimestamp: 1326362903
  IfupdownConfig:
   auto lo
   iface lo inet loopback
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20110320)
  NetworkManager.state:
   [main]
   NetworkingEnabled=true
   WirelessEnabled=true
   WWANEnabled=true
  ProcCmdline: NetworkManager
  ProcCwd: /
  ProcEnviron: PATH=(custom, no user)
  SegvAnalysis:
   Segfault happened at: 0x80888fa <nm_ip4_config_get_nameserver+106>:	mov    (%eax,%edx,4),%eax
   PC (0x080888fa) ok
   source "(%eax,%edx,4)" (0x00000000) not located in a known VMA region (needed readable region)!
   destination "%eax" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: network-manager
  StacktraceTop:
   nm_ip4_config_get_nameserver (config=0x91dda30, i=0) at nm-ip4-config.c:223
   add_ip4_config (str=0x91920b0, ip4=0x91dda30, split=1) at nm-dns-dnsmasq.c:85
   update (plugin=0x91926f0, vpn_configs=0x91d2928, dev_configs=0x91bff48, other_configs=0x0, hostname=0x0, iface=0x91d2a38 "tun0") at nm-dns-dnsmasq.c:291
   nm_dns_plugin_update (self=0x91926f0, vpn_configs=0x91d2928, dev_configs=0x91bff48, other_configs=0x0, hostname=0x0, iface=0x91d2a38 "tun0") at nm-dns-plugin.c:63
   update_dns (self=<optimized out>, iface=0x91d2a38 "tun0", no_caching=0, error=0xbffc3b2c) at nm-dns-manager.c:710
  Title: NetworkManager crashed with SIGSEGV in nm_ip4_config_get_nameserver()
  UpgradeStatus: Upgraded to precise on 2011-10-06 (99 days ago)
  UserGroups:
   
  nmcli-dev:
   DEVICE     TYPE              STATE         DBUS-PATH                                  
   eth0       802-3-ethernet    unavailable   /org/freedesktop/NetworkManager/Devices/0  
   wlan0      802-11-wireless   connected     /org/freedesktop/NetworkManager/Devices/1
  nmcli-nm:
   RUNNING         VERSION    STATE           NET-ENABLED   WIFI-HARDWARE   WIFI       WWAN-HARDWARE   WWAN      
   running         0.9.3.0    connected       enabled       enabled         enabled    enabled         disabled

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