Bug 382770 - plasmashell crashed when mouse scrolling to increase volume from panel widget
Summary: plasmashell crashed when mouse scrolling to increase volume from panel widget
Status: RESOLVED DUPLICATE of bug 381525
Alias: None
Product: plasmashell
Classification: Plasma
Component: general (show other bugs)
Version: 5.10.4
Platform: Ubuntu Linux
: NOR crash
Target Milestone: 1.0
Assignee: David Edmundson
URL:
Keywords: drkonqi
Depends on:
Blocks:
 
Reported: 2017-07-27 00:53 UTC by Mateus Honorato
Modified: 2017-07-30 22:37 UTC (History)
1 user (show)

See Also:
Latest Commit:
Version Fixed In:


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Description Mateus Honorato 2017-07-27 00:53:29 UTC
Application: plasmashell (5.10.4)

Qt Version: 5.9.1
Frameworks Version: 5.36.0
Operating System: Linux 4.10.0-27-generic x86_64
Distribution: KDE neon User Edition 5.10

-- Information about the crash:
- What I was doing when the application crashed: i was with a bluetooth headphone connected, a bluetooth mouse connected too. 

- Unusual behavior I noticed: plasmashell crashes frequently on my system. also, sometimes, it feels very slow, even when I have noting running

- Custom settings of the application: I use a custom icon theme (papirus), and also some custom widgets, like event calendar

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fd7241348c0 (LWP 1862))]

Thread 19 (Thread 0x7f96135f6700 (LWP 21013)):
#0  0x00007fd71347b24f in pa_pstream_unref () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-8.0.so
#1  0x00007fd71347b7a3 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-8.0.so
#2  0x00007fd71347c01a in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-8.0.so
#3  0x00007fd7141f60b7 in pa_mainloop_dispatch () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007fd7141f64bc in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007fd7141f6560 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007fd7142047a9 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#7  0x00007fd71348c078 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-8.0.so
#8  0x00007fd71df276ba in start_thread (arg=0x7f96135f6700) at pthread_create.c:333
#9  0x00007fd71e98f3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 18 (Thread 0x7fd63ccb3700 (LWP 21012)):
#0  0x00007fd71a360a94 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fd71a31c4a6 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd71f2ab94b in QEventDispatcherGlib::processEvents (this=0x7f961c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#3  0x00007fd71f2547ca in QEventLoop::exec (this=this@entry=0x7fd63ccb2ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#4  0x00007fd71f07dcd4 in QThread::exec (this=this@entry=0x6aeb4f0) at thread/qthread.cpp:515
#5  0x00007fd72174bfa5 in QQmlThreadPrivate::run (this=0x6aeb4f0) at qml/ftw/qqmlthread.cpp:147
#6  0x00007fd71f082989 in QThreadPrivate::start (arg=0x6aeb4f0) at thread/qthread_unix.cpp:368
#7  0x00007fd71df276ba in start_thread (arg=0x7fd63ccb3700) at pthread_create.c:333
#8  0x00007fd71e98f3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 17 (Thread 0x7fd63e0b4700 (LWP 21008)):
#0  0x00007fd71e98370d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fd71a31c38c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd71a31c49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd71f2ab94b in QEventDispatcherGlib::processEvents (this=0x7f96180008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fd71f2547ca in QEventLoop::exec (this=this@entry=0x7fd63e0b3ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007fd71f07dcd4 in QThread::exec (this=this@entry=0x6a57640) at thread/qthread.cpp:515
#6  0x00007fd72174bfa5 in QQmlThreadPrivate::run (this=0x6a57640) at qml/ftw/qqmlthread.cpp:147
#7  0x00007fd71f082989 in QThreadPrivate::start (arg=0x6a57640) at thread/qthread_unix.cpp:368
#8  0x00007fd71df276ba in start_thread (arg=0x7fd63e0b4700) at pthread_create.c:333
#9  0x00007fd71e98f3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 16 (Thread 0x7fd6457fa700 (LWP 8452)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fd71f0838eb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x4d2a650) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x502d200, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007fd660eef07f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fd660ef3108 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fd660eee26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fd660ef3162 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fd660eee26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fd660ef0c80 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fd71f082989 in QThreadPrivate::start (arg=0x7fd628002b90) at thread/qthread_unix.cpp:368
#10 0x00007fd71df276ba in start_thread (arg=0x7fd6457fa700) at pthread_create.c:333
#11 0x00007fd71e98f3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 15 (Thread 0x7fd645ffb700 (LWP 8451)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fd71f0838eb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x4d2a650) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x502d200, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007fd660eef07f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fd660ef3108 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fd660eee26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fd660ef3162 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fd660eee26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fd660ef0c80 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fd71f082989 in QThreadPrivate::start (arg=0x7fd648002000) at thread/qthread_unix.cpp:368
#10 0x00007fd71df276ba in start_thread (arg=0x7fd645ffb700) at pthread_create.c:333
#11 0x00007fd71e98f3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7fd6467fc700 (LWP 8450)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fd71f0838eb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x4d2a650) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x502d200, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007fd660eef07f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fd660ef3108 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fd660eee26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fd660ef3162 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fd660eee26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fd660ef0c80 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fd71f082989 in QThreadPrivate::start (arg=0x7fd638002d90) at thread/qthread_unix.cpp:368
#10 0x00007fd71df276ba in start_thread (arg=0x7fd6467fc700) at pthread_create.c:333
#11 0x00007fd71e98f3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7fd646ffd700 (LWP 8449)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fd71f0838eb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x4d2a650) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x502d200, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007fd660eef07f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fd660ef3108 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fd660eee26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fd660ef3162 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fd660eee26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fd660ef0c80 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fd71f082989 in QThreadPrivate::start (arg=0x7fd630002f90) at thread/qthread_unix.cpp:368
#10 0x00007fd71df276ba in start_thread (arg=0x7fd646ffd700) at pthread_create.c:333
#11 0x00007fd71e98f3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7fd6477fe700 (LWP 8448)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fd71f0838eb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x4d2a650) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x502d200, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007fd660eef07f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fd660ef3108 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fd660eee26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fd660ef3162 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fd660eee26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fd660ef0c80 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fd71f082989 in QThreadPrivate::start (arg=0x7fd6400027d0) at thread/qthread_unix.cpp:368
#10 0x00007fd71df276ba in start_thread (arg=0x7fd6477fe700) at pthread_create.c:333
#11 0x00007fd71e98f3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7fd63ffff700 (LWP 8447)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fd71f0838eb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x4d2a650) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x502d200, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007fd660eef07f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fd660ef3108 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fd660eee26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fd660ef3162 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fd660eee26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fd660ef3162 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fd660eee26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007fd660ef3162 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007fd660eee26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007fd660ef3162 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#13 0x00007fd660eee26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#14 0x00007fd660ef3162 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#15 0x00007fd660eee26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#16 0x00007fd660ef0c80 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#17 0x00007fd71f082989 in QThreadPrivate::start (arg=0x7fd648003c80) at thread/qthread_unix.cpp:368
#18 0x00007fd71df276ba in start_thread (arg=0x7fd63ffff700) at pthread_create.c:333
#19 0x00007fd71e98f3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7fd647fff700 (LWP 8446)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fd71f0838eb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x4d2a650) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x502d200, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007fd660eef07f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fd660ef3108 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fd660eee26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fd660ef3162 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fd660eee26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fd660ef0c80 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fd71f082989 in QThreadPrivate::start (arg=0x66cc7c0) at thread/qthread_unix.cpp:368
#10 0x00007fd71df276ba in start_thread (arg=0x7fd647fff700) at pthread_create.c:333
#11 0x00007fd71e98f3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7fd64eaee700 (LWP 8445)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fd71f0838eb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x4d2a650) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x502d200, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007fd660eef07f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fd660ef3108 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fd660eee26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fd660ef3162 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fd660eee26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fd660ef3162 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fd660eee26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007fd660ef3162 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007fd660eee26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007fd660ef0c80 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#13 0x00007fd71f082989 in QThreadPrivate::start (arg=0x199b9f0) at thread/qthread_unix.cpp:368
#14 0x00007fd71df276ba in start_thread (arg=0x7fd64eaee700) at pthread_create.c:333
#15 0x00007fd71e98f3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7fd65ae22700 (LWP 2075)):
#0  0x00007fd71a360a94 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fd71a31b910 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd71a31c2bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd71a31c49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fd71f2ab94b in QEventDispatcherGlib::processEvents (this=0x7fd6540008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007fd71f2547ca in QEventLoop::exec (this=this@entry=0x7fd65ae21cc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007fd71f07dcd4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#7  0x00007fd65d300517 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#8  0x00007fd71f082989 in QThreadPrivate::start (arg=0x46e33c0) at thread/qthread_unix.cpp:368
#9  0x00007fd71df276ba in start_thread (arg=0x7fd65ae22700) at pthread_create.c:333
#10 0x00007fd71e98f3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7fd66f5f4700 (LWP 2017)):
#0  0x00007fd71a31bcdf in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fd71a31c330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd71a31c49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd71f2ab94b in QEventDispatcherGlib::processEvents (this=0x7fd6680008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fd71f2547ca in QEventLoop::exec (this=this@entry=0x7fd66f5f3c90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007fd71f07dcd4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#6  0x00007fd7220ed256 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007fd71f082989 in QThreadPrivate::start (arg=0x1c297b0) at thread/qthread_unix.cpp:368
#8  0x00007fd71df276ba in start_thread (arg=0x7fd66f5f4700) at pthread_create.c:333
#9  0x00007fd71e98f3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7fd6fbfff700 (LWP 2004)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fd723b92784 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007fd723b927c9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007fd71df276ba in start_thread (arg=0x7fd6fbfff700) at pthread_create.c:333
#4  0x00007fd71e98f3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7fd706597700 (LWP 2003)):
#0  0x00007fd71e98370d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fd71a31c38c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd71a31c49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd71f2ab94b in QEventDispatcherGlib::processEvents (this=0x7fd6f40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fd71f2547ca in QEventLoop::exec (this=this@entry=0x7fd706596ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007fd71f07dcd4 in QThread::exec (this=this@entry=0x1700ce0) at thread/qthread.cpp:515
#6  0x00007fd72174bfa5 in QQmlThreadPrivate::run (this=0x1700ce0) at qml/ftw/qqmlthread.cpp:147
#7  0x00007fd71f082989 in QThreadPrivate::start (arg=0x1700ce0) at thread/qthread_unix.cpp:368
#8  0x00007fd71df276ba in start_thread (arg=0x7fd706597700) at pthread_create.c:333
#9  0x00007fd71e98f3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7fd707fff700 (LWP 1995)):
#0  0x00007fd71a319413 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fd71a31b8bb in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd71a31c2bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd71a31c49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fd71f2ab94b in QEventDispatcherGlib::processEvents (this=0x7fd6fc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007fd71f2547ca in QEventLoop::exec (this=this@entry=0x7fd707ffece0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007fd71f07dcd4 in QThread::exec (this=this@entry=0x16fd650) at thread/qthread.cpp:515
#7  0x00007fd72174bfa5 in QQmlThreadPrivate::run (this=0x16fd650) at qml/ftw/qqmlthread.cpp:147
#8  0x00007fd71f082989 in QThreadPrivate::start (arg=0x16fd650) at thread/qthread_unix.cpp:368
#9  0x00007fd71df276ba in start_thread (arg=0x7fd707fff700) at pthread_create.c:333
#10 0x00007fd71e98f3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7fd70e0fc700 (LWP 1933)):
#0  0x00007fd71a360a94 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fd71a31b910 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd71a31c2bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd71a31c49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fd71f2ab94b in QEventDispatcherGlib::processEvents (this=0x7fd7000008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007fd71f2547ca in QEventLoop::exec (this=this@entry=0x7fd70e0fbcd0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007fd71f07dcd4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#7  0x00007fd724273b75 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007fd71f082989 in QThreadPrivate::start (arg=0x7fd7242e9da0) at thread/qthread_unix.cpp:368
#9  0x00007fd71df276ba in start_thread (arg=0x7fd70e0fc700) at pthread_create.c:333
#10 0x00007fd71e98f3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fd70f91b700 (LWP 1899)):
#0  0x00007fd71e98370d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fd722af3c62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fd722af58d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fd711a61329 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007fd71f082989 in QThreadPrivate::start (arg=0x161c1f0) at thread/qthread_unix.cpp:368
#5  0x00007fd71df276ba in start_thread (arg=0x7fd70f91b700) at pthread_create.c:333
#6  0x00007fd71e98f3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fd7241348c0 (LWP 1862)):
[KCrash Handler]
#6  QVector<QQmlPropertyData>::count (this=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qvector.h:234
#7  QQmlPropertyCache::property (index=58, this=0x0) at ../../include/QtQml/5.9.1/QtQml/private/../../../../../src/qml/qml/qqmlpropertycache_p.h:711
#8  QQmlBinding::getPropertyData (this=this@entry=0x412bf00, propertyData=propertyData@entry=0x7ffe5d2c5558, valueTypeData=valueTypeData@entry=0x7ffe5d2c5560) at qml/qqmlbinding.cpp:520
#9  0x00007fd721736ac2 in GenericBinding<10>::write (this=0x412bf00, result=..., isUndefined=<optimized out>, flags=...) at qml/qqmlbinding.cpp:246
#10 0x00007fd721737740 in QQmlNonbindingBinding::doUpdate (this=0x412bf00, watcher=..., flags=..., scope=...) at qml/qqmlbinding.cpp:210
#11 0x00007fd7217349b3 in QQmlBinding::update (this=0x412bf00, flags=..., flags@entry=...) at qml/qqmlbinding.cpp:167
#12 0x00007fd721734bfe in QQmlBinding::refresh (this=<optimized out>) at qml/qqmlbinding.cpp:439
#13 0x00007fd72170acc7 in QQmlNotifier::emitNotify (endpoint=<optimized out>, a=a@entry=0x0) at qml/qqmlnotifier.cpp:106
#14 0x00007fd7216ac344 in QQmlData::signalEmitted (object=0x4115b20, index=27, a=0x0) at qml/qqmlengine.cpp:839
#15 0x00007fd71f28331e in QMetaObject::activate (sender=sender@entry=0x4115b20, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x0) at kernel/qobject.cpp:3644
#16 0x00007fd71f283527 in QMetaObject::activate (sender=sender@entry=0x4115b20, m=m@entry=0x7fd667dd2540 <QPulseAudio::SinkModel::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x0) at kernel/qobject.cpp:3628
#17 0x00007fd667bbaa03 in QPulseAudio::SinkModel::preferredSinkChanged (this=this@entry=0x4115b20) at /workspace/build/obj-x86_64-linux-gnu/src/moc_pulseaudio.cpp:363
#18 0x00007fd667b9e3c2 in QPulseAudio::SinkModel::updatePreferredSink (this=0x4115b20) at /workspace/build/src/pulseaudio.cpp:266
#19 0x00007fd667b9e856 in QPulseAudio::SinkModel::<lambda()>::operator() (__closure=0x4116bc0) at /workspace/build/src/pulseaudio.cpp:217
#20 QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>, void, QPulseAudio::SinkModel::SinkModel(QObject*)::<lambda()> >::call (arg=<optimized out>, f=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:130
#21 QtPrivate::Functor<QPulseAudio::SinkModel::SinkModel(QObject*)::<lambda()>, 0>::call<QtPrivate::List<>, void> (arg=<optimized out>, f=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:240
#22 QtPrivate::QFunctorSlotObject<QPulseAudio::SinkModel::SinkModel(QObject*)::<lambda()>, 0, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *, void **, bool *) (which=<optimized out>, this_=0x4116bb0, r=<optimized out>, a=<optimized out>, ret=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobject_impl.h:168
#23 0x00007fd71f282f46 in QtPrivate::QSlotObjectBase::call (a=0x7ffe5d2c7350, r=0x4115b20, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:101
#24 QMetaObject::activate (sender=sender@entry=0x3ae0240, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffe5d2c7350) at kernel/qobject.cpp:3749
#25 0x00007fd71f283527 in QMetaObject::activate (sender=sender@entry=0x3ae0240, m=m@entry=0x7fd667dd5980 <QPulseAudio::Server::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffe5d2c7350) at kernel/qobject.cpp:3628
#26 0x00007fd667bbaa9f in QPulseAudio::Server::defaultSinkChanged (this=this@entry=0x3ae0240, _t1=_t1@entry=0x0) at /workspace/build/obj-x86_64-linux-gnu/src/moc_server.cpp:144
#27 0x00007fd667baf17c in QPulseAudio::Server::updateDefaultDevices (this=0x3ae0240) at /workspace/build/src/server.cpp:113
#28 0x00007fd71f282f46 in QtPrivate::QSlotObjectBase::call (a=0x7ffe5d2c7560, r=0x3ae0240, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:101
#29 QMetaObject::activate (sender=sender@entry=0x3aebf20, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7ffe5d2c7560) at kernel/qobject.cpp:3749
#30 0x00007fd71f283527 in QMetaObject::activate (sender=sender@entry=0x3aebf20, m=m@entry=0x7fd667dd5c00 <QPulseAudio::MapBaseQObject::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7ffe5d2c7560) at kernel/qobject.cpp:3628
#31 0x00007fd667bba8e1 in QPulseAudio::MapBaseQObject::removed (this=this@entry=0x3aebf20, _t1=_t1@entry=0) at /workspace/build/obj-x86_64-linux-gnu/src/moc_maps.cpp:147
#32 0x00007fd667b995a5 in QPulseAudio::MapBase<QPulseAudio::Sink, pa_sink_info>::removeEntry (this=0x3aebf20, index=1) at /workspace/build/src/maps.h:155
#33 0x00007fd667b945a9 in QPulseAudio::Context::subscribeCallback (this=<optimized out>, context=<optimized out>, type=<optimized out>, index=<optimized out>) at /workspace/build/src/context.cpp:283
#34 0x00007fd714204391 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#35 0x00007fd713476442 in pa_pdispatch_run () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-8.0.so
#36 0x00007fd7141e0fce in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#37 0x00007fd713478d5f in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-8.0.so
#38 0x00007fd71347b3db in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-8.0.so
#39 0x00007fd71347b789 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-8.0.so
#40 0x00007fd71347c01a in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-8.0.so
#41 0x00007fd713fcef2b in ?? () from /usr/lib/x86_64-linux-gnu/libpulse-mainloop-glib.so.0
#42 0x00007fd71a31c197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#43 0x00007fd71a31c3f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#44 0x00007fd71a31c49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#45 0x00007fd71f2ab92f in QEventDispatcherGlib::processEvents (this=0x16413f0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#46 0x00007fd71f2547ca in QEventLoop::exec (this=this@entry=0x7ffe5d2c7a10, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#47 0x00007fd71f25d704 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1291
#48 0x000000000041cd68 in main (argc=1, argv=<optimized out>) at /workspace/build/shell/main.cpp:166

The reporter indicates this bug may be a duplicate of or related to bug 381458.

Possible duplicates by query: bug 382734, bug 382416, bug 382132, bug 381525, bug 381522.

Reported using DrKonqi
Comment 1 David Edmundson 2017-07-30 22:37:18 UTC

*** This bug has been marked as a duplicate of bug 381525 ***