I have been looking into the issue and when gdb attached I get the
following:
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0xb4aff3c0 (LWP 9459)]
0xb6c2d7c2 in pthread_mutex_lock () from
/lib/arm-linux-gnueabihf/libpthread.so.0
(gdb) bt
#0 0xb6c2d7c2 in pthread_mutex_lock () from
/lib/arm-linux-gnueabihf/libpthread.so.0
#1 0xb6c83eb8 in __gthread_mutex_lock (__mutex=<optimized out>) at
/usr/include/arm-linux-gnueabihf/c++/4.9/bits/gthr-default.h:748
#2 std::mutex::lock (this=<optimized out>) at /usr/include/c++/4.9/mutex:135
#3 0xb6c890e2 in lock_guard (__m=..., this=<synthetic pointer>) at
/usr/include/c++/4.9/mutex:377
#4 core::Signal<bool>::operator() (this=0x18d3050, args#0=<optimized out>) at
/usr/include/core/signal.h:134
#5 0xb6c80d92 in operator= (rhs=@0xb4afe998: true, this=0x18d3028) at
/usr/include/core/property.h:82
#6 detail::CachedRadioCell::on_network_registration_property_changed
(this=0x18d2f90, tuple=...)
at
/build/buildd/location-service-2.1+14.10.20141013/src/location_service/com/ubuntu/location/connectivity/cached_radio_cell.cpp:495
#7 0xb6ca4d48 in
core::dbus::Signal<org::Ofono::Manager::Modem::NetworkRegistration::PropertyChanged,
std::tuple<std::string, core::dbus::types::Variant> >::operator() (
this=0x18d29b8, msg=...) at /usr/include/core/dbus/impl/signal.h:343
#8 0xb6e23546 in ?? () from /usr/lib/arm-linux-gnueabihf/libdbus-cpp.so.4
#9 0xb6e19d54 in ?? () from /usr/lib/arm-linux-gnueabihf/libdbus-cpp.so.4
#10 0xb6e18572 in
core::dbus::Bus::handle_message(std::shared_ptr<core::dbus::Message> const&) ()
from /usr/lib/arm-linux-gnueabihf/libdbus-cpp.so.4
#11 0xb6e1860e in ?? () from /usr/lib/arm-linux-gnueabihf/libdbus-cpp.so.4
#12 0xb6a242e2 in dbus_connection_dispatch () from
/lib/arm-linux-gnueabihf/libdbus-1.so.3
#13 0xb6e309c8 in ?? () from /usr/lib/arm-linux-gnueabihf/libdbus-cpp.so.4
#14 0xb6e2e4d8 in ?? () from /usr/lib/arm-linux-gnueabihf/libdbus-cpp.so.4
#15 0xb6e2e7b6 in ?? () from /usr/lib/arm-linux-gnueabihf/libdbus-cpp.so.4
#16 0xb6e17958 in core::dbus::Bus::run() () from
/usr/lib/arm-linux-gnueabihf/libdbus-cpp.so.4
#17 0xb6bf4360 in ?? () from /usr/lib/arm-linux-gnueabihf/libstdc++.so.6
#18 0xb6c2bf98 in start_thread () from /lib/arm-linux-gnueabihf/libpthread.so.0
#19 0xb6ae722c in ?? () from /lib/arm-linux-gnueabihf/libc.so.6
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
The/A way to reproduce it is to start the location service and turn on and off
the aerplane mode (with a sim that needs to be unlocked).
** Changed in: location-service (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1337613
Title:
ubuntu-location-service crash
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