raphj
commented
1 year ago When running clementine in rr, it is possible to get the trace at the time clementine segfaults:
Thread 1 received signal SIGSEGV, Segmentation fault.
g_type_check_instance_cast (type_instance=type_instance@entry=0x3f50120, iface_type=iface_type@entry=0x50 [GObject]) at ../gobject/gtype.c:4127
4127 node = lookup_type_node_I (type_instance->g_class->g_type);
(rr) where
#0 g_type_check_instance_cast (type_instance=type_instance@entry=0x3f50120, iface_type=iface_type@entry=0x50 [GObject]) at ../gobject/gtype.c:4127
#1 0x00007fa631f42cf3 in remove_decoders (bin=0x35c4080 [GstURIDecodeBin], force=1) at ../gst/playback/gsturidecodebin.c:1693
#2 0x00007fa631f3afd9 in gst_uri_decode_bin_finalize (obj=0x35c4080 [GstURIDecodeBin]) at ../gst/playback/gsturidecodebin.c:769
#3 0x00007fa66b7799d5 in g_object_unref (_object=<optimized out>) at ../gobject/gobject.c:3909
#4 g_object_unref (_object=0x35c4080) at ../gobject/gobject.c:3784
#5 0x00007fa66b4d035e in _gst_message_free (message=0x46de9a0 [GstMessage]) at ../gst/gstmessage.c:213
#6 0x00007fa66b676398 in g_list_foreach (list=<optimized out>, list@entry=0x3630140 = {...}, func=0x7fa66b49b240 <gst_message_unref.lto_priv>, user_data=user_data@entry=0x0) at ../glib/glist.c:1092
#7 0x00007fa66b6763bb in g_list_free_full (list=0x3630140 = {...}, free_func=<optimized out>) at ../glib/glist.c:246
#8 0x00007fa66b4ead95 in gst_pipeline_change_state (element=0x7fa62c0271b0 [GstPipeline], transition=<optimized out>) at ../gst/gstpipeline.c:576
#9 0x00007fa66b4bf98d in gst_element_change_state (element=element@entry=0x7fa62c0271b0 [GstPipeline], transition=GST_STATE_CHANGE_READY_TO_NULL) at ../gst/gstelement.c:3083
#10 0x00007fa66b4bf840 in gst_element_continue_state (element=element@entry=0x7fa62c0271b0 [GstPipeline], ret=ret@entry=GST_STATE_CHANGE_SUCCESS) at ../gst/gstelement.c:2791
#11 0x00007fa66b4bf9d1 in gst_element_change_state (element=element@entry=0x7fa62c0271b0 [GstPipeline], transition=transition@entry=GST_STATE_CHANGE_PAUSED_TO_READY) at ../gst/gstelement.c:3122
#12 0x00007fa66b4bffb3 in gst_element_set_state_func (element=0x7fa62c0271b0 [GstPipeline], state=GST_STATE_NULL) at ../gst/gstelement.c:3037
#13 0x0000000000b13440 in GstEnginePipeline::~GstEnginePipeline() (this=0x35aa110, __in_chrg=<optimized out>) at /home/raph/dl/Clementine/src/engines/gstenginepipeline.cpp:527
#14 0x0000000000b135e4 in GstEnginePipeline::~GstEnginePipeline() (this=0x35aa110, __in_chrg=<optimized out>) at /home/raph/dl/Clementine/src/engines/gstenginepipeline.cpp:542
#15 0x0000000000b0fbd8 in std::_Sp_counted_ptr<GstEnginePipeline*, (__gnu_cxx::_Lock_policy)2>::_M_dispose() (this=0x35bafd0) at /usr/include/c++/12/bits/shared_ptr_base.h:428
#16 0x0000000000a94759 in std::_Sp_counted_base<(__gnu_cxx::_Lock_policy)2>::_M_release() (this=0x35bafd0) at /usr/include/c++/12/bits/shared_ptr_base.h:346
#17 0x0000000000a95c4b in std::__shared_count<(__gnu_cxx::_Lock_policy)2>::~__shared_count() (this=0x7ffe48df8938, __in_chrg=<optimized out>) at /usr/include/c++/12/bits/shared_ptr_base.h:1071
#18 0x0000000000b085ae in std::__shared_ptr<GstEnginePipeline, (__gnu_cxx::_Lock_policy)2>::~__shared_ptr() (this=0x7ffe48df8930, __in_chrg=<optimized out>) at /usr/include/c++/12/bits/shared_ptr_base.h:1524
#19 0x0000000000b08b1b in std::__shared_ptr<GstEnginePipeline, (__gnu_cxx::_Lock_policy)2>::reset() (this=0x2279d70) at /usr/include/c++/12/bits/shared_ptr_base.h:1642
#20 0x0000000000b0668a in GstEngine::HandlePipelineError(int, QString const&, int, int) (this=0x2279cb0, pipeline_id=1, message=..., domain=2616, error_code=3) at /home/raph/dl/Clementine/src/engines/gstengine.cpp:732
#21 0x0000000000d78c2b in GstEngine::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (_o=0x2279cb0, _c=QMetaObject::InvokeMetaMethod, _id=16, _a=0x7fa65c02b510) at /home/raph/dl/Clementine/bin/src/engines/moc_gstengine.cpp:221
#22 0x00007fa66c107c40 in QObject::event(QEvent*) (this=0x2279cb0, e=0x3428460) at kernel/qobject.cpp:1347
#23 0x00007fa66a9a53fe in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=<optimized out>, receiver=0x2279cb0, e=0x3428460) at kernel/qapplication.cpp:3637
#24 0x00007fa66c0dc128 in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x2279cb0, event=0x3428460) at kernel/qcoreapplication.cpp:1064
#25 0x00007fa66c0df0c1 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (receiver=0x0, event_type=0, data=0x1fc3ab0) at kernel/qcoreapplication.cpp:1821
#26 0x00007fa66c134353 in postEventSourceDispatch(GSource*, GSourceFunc, gpointer) (s=0x20c7450) at kernel/qeventdispatcher_glib.cpp:277
#27 0x00007fa66b67aa90 in g_main_dispatch (context=0x1fd6d80) at ../glib/gmain.c:3444
#28 g_main_context_dispatch (context=context@entry=0x1fd6d80) at ../glib/gmain.c:4162
#29 0x00007fa66b67ae48 in g_main_context_iterate (context=context@entry=0x1fd6d80, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/gmain.c:4238
#30 0x00007fa66b67aedc in g_main_context_iteration (context=0x1fd6d80, may_block=1) at ../glib/gmain.c:4303
#31 0x00007fa66c133b56 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x20d7ac0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#32 0x00007fa66c0dab9b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffe48df8e00, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69
#33 0x00007fa66c0e2d06 in QCoreApplication::exec() () at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#34 0x0000000000a685ed in main(int, char**) (argc=1, argv=0x7ffe48df9938) at /home/raph/dl/Clementine/src/main.cpp:478
(rr)
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Expected behaviour / actual behaviour
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Note: the removed file had a
.m4aextension Note: also present in the openSUSE Tumbleweed package.Investigation
Running Clementine in Valgrind, the following can be seen at the moment of the crash