Bug 409579

Summary:	Dragon Player crashed after opening the same file twice
Product:	[Applications] dragonplayer	Reporter:	Fabian Graf <fabian.graf>
Component:	general	Assignee:	Harald Sitter <sitter>
Status:	RESOLVED DUPLICATE
Severity:	crash	CC:	fabian.graf, myriam
Priority:	NOR	Keywords:	drkonqi
Version First Reported In:	unspecified
Target Milestone:	---
Platform:	Arch Linux
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:

Description Fabian Graf 2019-07-07 12:37:35 UTC

Application: dragon (19.04.2)

Qt Version: 5.13.0
Frameworks Version: 5.59.0
Operating System: Linux 5.1.15-arch1-1-ARCH x86_64
Distribution: "Arch Linux"

-- Information about the crash:
- What I was doing when the application crashed:
1) Open a .m4a-file
2) Pause the file in Dragon Player
3) Open the same .m4a file
--> Dragon Player crashes

The crash can be reproduced every time.

-- Backtrace:
Application: Dragon Player (dragon), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f1202038c80 (LWP 25720))]

Thread 6 (Thread 0x7f11b08b4700 (LWP 25743)):
#0  0x00007f1207055e3d in syscall () at /usr/lib/libc.so.6
#1  0x00007f1205446461 in g_cond_wait () at /usr/lib/libglib-2.0.so.0
#2  0x00007f11f96423ef in  () at /usr/lib/libgstreamer-1.0.so.0
#3  0x00007f120546cdf6 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f1205473f21 in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007f120627257f in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f120705b0e3 in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f11b10b5700 (LWP 25742)):
#0  0x00007f1207055e3d in syscall () at /usr/lib/libc.so.6
#1  0x00007f1205446461 in g_cond_wait () at /usr/lib/libglib-2.0.so.0
#2  0x00007f120546978c in g_thread_pool_free () at /usr/lib/libglib-2.0.so.0
#3  0x00007f11f96466ef in  () at /usr/lib/libgstreamer-1.0.so.0
#4  0x00007f11f9646954 in gst_task_cleanup_all () at /usr/lib/libgstreamer-1.0.so.0
#5  0x00007f11f96a8429 in gst_deinit () at /usr/lib/libgstreamer-1.0.so.0
#6  0x00007f11f97679c3 in  () at /usr/lib/qt5/plugins/phonon4qt5_backend/phonon_gstreamer.so
#7  0x00007f11f9767cf9 in  () at /usr/lib/qt5/plugins/phonon4qt5_backend/phonon_gstreamer.so
#8  0x00007f1208ca9184 in  () at /usr/lib/libphonon4qt5.so.4
#9  0x00007f1208ca93f9 in  () at /usr/lib/libphonon4qt5.so.4
#10 0x00007f1206f9be70 in __run_exit_handlers () at /usr/lib/libc.so.6
#11 0x00007f1206f9bfae in  () at /usr/lib/libc.so.6
#12 0x00007f12069b1302 in _XDefaultIOError () at /usr/lib/libX11.so.6
#13 0x00007f1201b5651c in  () at /usr/lib/libQt5XcbQpa.so.5
#14 0x00007f12069b15ae in _XIOError () at /usr/lib/libX11.so.6
#15 0x00007f12069af6ba in  () at /usr/lib/libX11.so.6
#16 0x00007f12069aac3f in XSync () at /usr/lib/libX11.so.6
#17 0x00007f120698c3a9 in XCloseDisplay () at /usr/lib/libX11.so.6
#18 0x00007f11f8995089 in  () at /usr/lib/gstreamer-1.0/libgstxvimagesink.so
#19 0x00007f11f8996c38 in  () at /usr/lib/gstreamer-1.0/libgstxvimagesink.so
#20 0x00007f11f9685355 in gst_element_change_state () at /usr/lib/libgstreamer-1.0.so.0
#21 0x00007f11f96859ed in  () at /usr/lib/libgstreamer-1.0.so.0
#22 0x00007f11f96a0b6d in  () at /usr/lib/libgstreamer-1.0.so.0
#23 0x00007f11f9685355 in gst_element_change_state () at /usr/lib/libgstreamer-1.0.so.0
#24 0x00007f11f96859ed in  () at /usr/lib/libgstreamer-1.0.so.0
#25 0x00007f11f96a0b6d in  () at /usr/lib/libgstreamer-1.0.so.0
#26 0x00007f11f9685355 in gst_element_change_state () at /usr/lib/libgstreamer-1.0.so.0
#27 0x00007f11f96859ed in  () at /usr/lib/libgstreamer-1.0.so.0
#28 0x00007f11ee055b41 in  () at /usr/lib/gstreamer-1.0/libgstplayback.so
#29 0x00007f11f966182a in  () at /usr/lib/libgstreamer-1.0.so.0
#30 0x00007f12054a8084 in g_hook_list_marshal () at /usr/lib/libglib-2.0.so.0
#31 0x00007f11f9661c65 in  () at /usr/lib/libgstreamer-1.0.so.0
#32 0x00007f11f9665b8d in  () at /usr/lib/libgstreamer-1.0.so.0
#33 0x00007f11f9666215 in  () at /usr/lib/libgstreamer-1.0.so.0
#34 0x00007f11f966fb81 in  () at /usr/lib/libgstreamer-1.0.so.0
#35 0x00007f11f96666a5 in gst_pad_push_event () at /usr/lib/libgstreamer-1.0.so.0
#36 0x00007f11f9666bd0 in  () at /usr/lib/libgstreamer-1.0.so.0
#37 0x00007f11f966db4e in gst_pad_forward () at /usr/lib/libgstreamer-1.0.so.0
#38 0x00007f11f966a886 in gst_pad_event_default () at /usr/lib/libgstreamer-1.0.so.0
#39 0x00007f11f96656d7 in  () at /usr/lib/libgstreamer-1.0.so.0
#40 0x00007f11f9665d68 in  () at /usr/lib/libgstreamer-1.0.so.0
#41 0x00007f11f9666215 in  () at /usr/lib/libgstreamer-1.0.so.0
#42 0x00007f11f966fb81 in  () at /usr/lib/libgstreamer-1.0.so.0
#43 0x00007f11f96666a5 in gst_pad_push_event () at /usr/lib/libgstreamer-1.0.so.0
#44 0x00007f11f8078a58 in  () at /usr/lib/gstreamer-1.0/libgstcoreelements.so
#45 0x00007f11f96656d7 in  () at /usr/lib/libgstreamer-1.0.so.0
#46 0x00007f11f9665d68 in  () at /usr/lib/libgstreamer-1.0.so.0
#47 0x00007f11f9666215 in  () at /usr/lib/libgstreamer-1.0.so.0
#48 0x00007f11f966fb81 in  () at /usr/lib/libgstreamer-1.0.so.0
#49 0x00007f11f96666a5 in gst_pad_push_event () at /usr/lib/libgstreamer-1.0.so.0
#50 0x00007f11f9666bd0 in  () at /usr/lib/libgstreamer-1.0.so.0
#51 0x00007f11f966db4e in gst_pad_forward () at /usr/lib/libgstreamer-1.0.so.0
#52 0x00007f11f966a886 in gst_pad_event_default () at /usr/lib/libgstreamer-1.0.so.0
#53 0x00007f11f96656d7 in  () at /usr/lib/libgstreamer-1.0.so.0
#54 0x00007f11f9665d68 in  () at /usr/lib/libgstreamer-1.0.so.0
#55 0x00007f11f9666215 in  () at /usr/lib/libgstreamer-1.0.so.0
#56 0x00007f11f966fb81 in  () at /usr/lib/libgstreamer-1.0.so.0
#57 0x00007f11f96666a5 in gst_pad_push_event () at /usr/lib/libgstreamer-1.0.so.0
#58 0x00007f11f9666bd0 in  () at /usr/lib/libgstreamer-1.0.so.0
#59 0x00007f11f966db4e in gst_pad_forward () at /usr/lib/libgstreamer-1.0.so.0
#60 0x00007f11f966a886 in gst_pad_event_default () at /usr/lib/libgstreamer-1.0.so.0
#61 0x00007f11f96656d7 in  () at /usr/lib/libgstreamer-1.0.so.0
#62 0x00007f11f9665d68 in  () at /usr/lib/libgstreamer-1.0.so.0
#63 0x00007f11f9666215 in  () at /usr/lib/libgstreamer-1.0.so.0
#64 0x00007f11f966fb81 in  () at /usr/lib/libgstreamer-1.0.so.0
#65 0x00007f11f96666a5 in gst_pad_push_event () at /usr/lib/libgstreamer-1.0.so.0
#66 0x00007f11f929d0b6 in  () at /usr/lib/libgstaudio-1.0.so.0
#67 0x00007f11f929ee5a in gst_audio_decoder_allocate_output_buffer () at /usr/lib/libgstaudio-1.0.so.0
#68 0x00007f11ec2dbece in  () at /usr/lib/gstreamer-1.0/libgstlibav.so
#69 0x00007f11ec2dc76b in  () at /usr/lib/gstreamer-1.0/libgstlibav.so
#70 0x00007f11f92a4c2a in  () at /usr/lib/libgstaudio-1.0.so.0
#71 0x00007f11f92a4f0c in  () at /usr/lib/libgstaudio-1.0.so.0
#72 0x00007f11f92a61a8 in  () at /usr/lib/libgstaudio-1.0.so.0
#73 0x00007f11f9668f14 in  () at /usr/lib/libgstreamer-1.0.so.0
#74 0x00007f11f966978a in gst_pad_push () at /usr/lib/libgstreamer-1.0.so.0
#75 0x00007f11f93b64c9 in gst_base_parse_push_frame () at /usr/lib/libgstbase-1.0.so.0
#76 0x00007f11f93b4d78 in  () at /usr/lib/libgstbase-1.0.so.0
#77 0x00007f11f9668f14 in  () at /usr/lib/libgstreamer-1.0.so.0
#78 0x00007f11f966978a in gst_pad_push () at /usr/lib/libgstreamer-1.0.so.0
#79 0x00007f11f807273e in  () at /usr/lib/gstreamer-1.0/libgstcoreelements.so
#80 0x00007f11f96421d3 in  () at /usr/lib/libgstreamer-1.0.so.0
#81 0x00007f120546cdf6 in  () at /usr/lib/libglib-2.0.so.0
#82 0x00007f1205473f21 in  () at /usr/lib/libglib-2.0.so.0
#83 0x00007f120627257f in start_thread () at /usr/lib/libpthread.so.0
#84 0x00007f120705b0e3 in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f11f91e8700 (LWP 25741)):
#0  0x00007f1207055e3d in syscall () at /usr/lib/libc.so.6
#1  0x00007f1205446461 in g_cond_wait () at /usr/lib/libglib-2.0.so.0
#2  0x00007f11f96423ef in  () at /usr/lib/libgstreamer-1.0.so.0
#3  0x00007f120546cdf6 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f1205473f21 in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007f120627257f in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f120705b0e3 in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f11fb57f700 (LWP 25722)):
#0  0x00007f1207050667 in poll () at /usr/lib/libc.so.6
#1  0x00007f12054987c0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f12054988ae in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f12077379bc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f12076de5ec in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f12075112f5 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f120796fb37 in  () at /usr/lib/libQt5DBus.so.5
#7  0x00007f1207512520 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f120627257f in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f120705b0e3 in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f1200f84700 (LWP 25721)):
#0  0x00007f1207050667 in poll () at /usr/lib/libc.so.6
#1  0x00007f1206231630 in  () at /usr/lib/libxcb.so.1
#2  0x00007f12062332db in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007f1201b55049 in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007f1207512520 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f120627257f in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f120705b0e3 in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f1202038c80 (LWP 25720)):
[KCrash Handler]
#6  0x00007f12075177ac in QThreadStorageData::get() const () at /usr/lib/libQt5Core.so.5
#7  0x00007f12074f7947 in QUnifiedTimer::instance(bool) () at /usr/lib/libQt5Core.so.5
#8  0x00007f12074f9e64 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f120770c44a in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#10 0x00007f12081314d5 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#11 0x00007f120813aa21 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#12 0x00007f12076df9c2 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#13 0x00007f12076e2739 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#14 0x00007f12077383a4 in  () at /usr/lib/libQt5Core.so.5
#15 0x00007f120549690f in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#16 0x00007f1205498869 in  () at /usr/lib/libglib-2.0.so.0
#17 0x00007f12054988ae in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#18 0x00007f12077379a3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#19 0x00007f12076de5ec in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#20 0x00007f12076e6326 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#21 0x000055a751786947 in  ()
#22 0x00007f1206f85ee3 in __libc_start_main () at /usr/lib/libc.so.6
#23 0x000055a751786b5e in _start ()
[Inferior 1 (process 25720) detached]

Reported using DrKonqi

Comment 1 Christoph Feck 2019-07-25 10:33:18 UTC

Could be a Qt 5.13.0 regression.

Comment 2 Christoph Feck 2019-07-25 10:34:58 UTC

Nope, it was already happening earlier. We got a duplicate.

*** This bug has been marked as a duplicate of bug 394730 ***