Public bug reported:
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)
** Affects: modemmanager (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 quantal running-unity
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https://bugs.launchpad.net/bugs/1067337
Title:
Crash when inserting/switching modem: "code should not be reached"
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