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[Rolf Leggewie <1067337@xxxxxxxxxxxxxxxxxx>]

quantal has seen the end of its life and is no longer receiving any
updates. Marking the quantal task for this ticket as "Won't Fix".

** Changed in: modemmanager (Ubuntu Quantal)
       Status: Triaged => Won't Fix

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https://bugs.launchpad.net/bugs/1067337

Title:
  Crash when inserting/switching modem: "code should not be reached"

Status in ModemManager (with NetworkManager support):
  Fix Released
Status in modemmanager package in Ubuntu:
  Triaged
Status in modemmanager source package in Quantal:
  Won't Fix

Bug description:
  I sometimes when inserting/removing/switching modem get this crash.
  Apport failed to report it, but using its local inventigation feature,
  I got this backtrace:

  #0  0xb779b424 in __kernel_vsyscall ()
  #1  0xb74581df in __GI_raise (sig=6)
      at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
  #2  0xb745b825 in __GI_abort () at abort.c:91
  #3  0xb76597e8 in g_assertion_message (domain=domain@entry=0x0, 
      file=file@entry=0x809401d "mm-manager.c", line=line@entry=715, 
      func=func@entry=0x8094be1 <__PRETTY_FUNCTION__.14141> "supports_callback", 
      message=0xb76832b4 "code should not be reached", message@entry=0x0)
      at /build/buildd/glib2.0-2.34.0/./glib/gtestutils.c:1877
  #4  0x08056613 in supports_callback (plugin=0x8c8eae0, 
      subsys=subsys@entry=0x8c8dae8 "tty", name=name@entry=0x8cb0848 "ttyUSB4", 
      level=level@entry=0, user_data=0x8cb20c0) at mm-manager.c:715
  #5  0x0807d6c9 in mm_plugin_base_supports_task_complete (
      task=task@entry=0x8ca6468, level=0) at mm-plugin-base.c:335
  #6  0xb7783c7f in probe_result (base=base@entry=0x8c8eae0, task=0x8ca6468, 
      capabilities=0, user_data=0x0) at mm-plugin-cinterion.c:114
  #7  0x080801a1 in mm_marshal_VOID__OBJECT_UINT (
      closure=closure@entry=0x8c9a4f0, return_value=return_value@entry=0x0, 
      n_param_values=n_param_values@entry=3, 
      param_values=param_values@entry=0xbf819340, 
      invocation_hint=invocation_hint@entry=0xbf8192ec, 
      marshal_data=marshal_data@entry=0x0) at mm-marshal.c:161
  #8  0xb76f7826 in g_closure_invoke (closure=0x8c9a4f0,

      return_value=return_value@entry=0x0, n_param_values=3, 
      param_values=param_values@entry=0xbf819340, 
      invocation_hint=invocation_hint@entry=0xbf8192ec)
      at /build/buildd/glib2.0-2.34.0/./gobject/gclosure.c:777
  #9  0xb770961f in signal_emit_unlocked_R (node=node@entry=0x8c98a60, 
      detail=detail@entry=0, instance=instance@entry=0x8c8eae0, 
      emission_return=emission_return@entry=0x0, 
      instance_and_params=instance_and_params@entry=0xbf819340)
      at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3551
  #10 0xb7711732 in g_signal_emit_valist (instance=instance@entry=0x8c8eae0, 
      signal_id=signal_id@entry=6, detail=detail@entry=0, 
      var_args=0xbf819554 "\346qg\267", var_args@entry=0xbf81954c "hd\312\b")
      at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3300
  #11 0xb77118b3 in g_signal_emit (instance=instance@entry=0x8c8eae0, 
      signal_id=6, detail=detail@entry=0)
      at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3356
  #12 0x0807ccda in emit_probe_result (user_data=user_data@entry=0x8ca6468)
      at mm-plugin-base.c:610
  #13 0xb7632c30 in g_idle_dispatch (source=source@entry=0x8c95968, 
      callback=0x807cc40 <emit_probe_result>, user_data=0x8ca6468)
      at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:4806
  #14 0xb76359e3 in g_main_dispatch (context=0x8c89960)
      at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:2715

  #15 g_main_context_dispatch (context=context@entry=0x8c89960)
      at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3219
  #16 0xb7635d80 in g_main_context_iterate (context=0x8c89960, 
      block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>)
      at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3290
  #17 0xb76361db in g_main_loop_run (loop=0x8ca4978)
      at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3484
  #18 0x08052e8e in main (argc=1, argv=0xbf819964) at main.c:199

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: modemmanager 0.6.0.0.really-0ubuntu1 [modified: lib/udev/rules.d/77-mm-ericsson-mbm.rules lib/udev/rules.d/77-mm-usb-device-blacklist.rules lib/udev/rules.d/80-mm-candidate.rules]
  Uname: Linux 3.6.0-030600-generic i686
  ApportVersion: 2.6.1-0ubuntu3
  Architecture: i386
  Date: Tue Oct 16 14:25:03 2012
  EcryptfsInUse: Yes
  SourcePackage: modemmanager
  UpgradeStatus: Upgraded to quantal on 2012-08-31 (45 days ago)

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