Bug 421006

Application: yakuake (3.0.5+)

Qt Version: 5.14.2
Frameworks Version: 5.69.0
Operating System: Linux 5.3.0-51-generic x86_64
Windowing system: X11
Distribution: KDE neon User Edition 5.18

-- Information about the crash:
- What I was doing when the application crashed:
Simple click on close button. The app scrolls up and after crash.

The crash does not seem to be reproducible.

-- Backtrace:
Application: Yakuake (yakuake), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fdf7c21fd80 (LWP 1461))]

Thread 4 (Thread 0x7fdf4bb23700 (LWP 7662)):
#0  0x00007fdf723572d2 in __pthread_mutex_unlock_full (mutex=0x55b0929e1b30, decr=1) at pthread_mutex_unlock.c:99
#1  0x00007fdf6bb735fe in pa_mutex_unlock () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#2  0x00007fdf6f68c473 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007fdf6f67de40 in pa_mainloop_poll () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007fdf6f67e4d0 in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007fdf6f67e560 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007fdf6f68c3c9 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#7  0x00007fdf6bb74318 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#8  0x00007fdf723536db in start_thread (arg=0x7fdf4bb23700) at pthread_create.c:463
#9  0x00007fdf7657e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fdf5f253700 (LWP 1489)):
#0  0x00007fdf7656d0b4 in __GI___libc_read (fd=7, buf=0x7fdf5f252b60, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007fdf708242b0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fdf707df0b7 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fdf707df570 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fdf707df6dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fdf76ed844b in QEventDispatcherGlib::processEvents (this=0x7fdf58000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007fdf76e779aa in QEventLoop::exec (this=this@entry=0x7fdf5f252d70, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#7  0x00007fdf76c883d7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:536
#8  0x00007fdf7848f555 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#9  0x00007fdf76c898ac in QThreadPrivate::start (arg=0x7fdf78707da0) at thread/qthread_unix.cpp:342
#10 0x00007fdf723536db in start_thread (arg=0x7fdf5f253700) at pthread_create.c:463
#11 0x00007fdf7657e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fdf66bc8700 (LWP 1482)):
#0  0x00007fdf76571bf9 in __GI___poll (fds=0x7fdf66bc7ca8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fdf74871747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fdf7487336a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fdf6979dfd0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007fdf76c898ac in QThreadPrivate::start (arg=0x55b09244bf00) at thread/qthread_unix.cpp:342
#5  0x00007fdf723536db in start_thread (arg=0x7fdf66bc8700) at pthread_create.c:463
#6  0x00007fdf7657e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fdf7c21fd80 (LWP 1461)):
[KCrash Handler]
#6  0x0000000000000000 in ?? ()
#7  0x00007fdf76eada36 in QObject::disconnect (sender=0x55b09277a420, signal=<optimized out>, signal@entry=0x7fdf7ac299f2 "2destroyed(QObject*)", receiver=receiver@entry=0x55b0927a1da0, method=0x55b092b9d099 "_k_associatedWidgetDestroyed(QObject*)", method@entry=0x7fdf7ac298f8 "1_k_associatedWidgetDestroyed(QObject*)") at kernel/qobject.cpp:3121
#8  0x00007fdf7abba54c in KActionCollection::removeAssociatedWidget (this=0x55b0927a1da0, widget=<optimized out>, widget@entry=0x55b09277a420) at ./src/kactioncollection.cpp:834
#9  0x00007fdf7ac0390b in KXMLGUIClient::prepareXMLUnplug (this=this@entry=0x55b0925e11a8, w=0x55b09277a420) at ./src/kxmlguiclient.cpp:796
#10 0x00007fdf7ac080a1 in KXMLGUIFactory::removeClient (this=<optimized out>, client=<optimized out>, client@entry=0x55b0925e11a8) at ./src/kxmlguifactory.cpp:464
#11 0x00007fdf524fc614 in Konsole::SessionController::~SessionController (this=0x55b0925e1180, __in_chrg=<optimized out>) at ./src/SessionController.cpp:241
#12 0x00007fdf524fc7c9 in Konsole::SessionController::~SessionController (this=0x55b0925e1180, __in_chrg=<optimized out>) at ./src/SessionController.cpp:243
#13 0x00007fdf76ea896b in QObjectPrivate::deleteChildren (this=0x55b0926dd760) at kernel/qobject.cpp:2123
#14 0x00007fdf76eb1f4e in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1107
#15 0x00007fdf525261f9 in Konsole::ViewManager::~ViewManager (this=0x55b0926deb70, __in_chrg=<optimized out>) at ./src/ViewManager.h:63
#16 0x00007fdf527a150e in Konsole::Part::~Part (this=0x55b0926df220, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at ./src/Part.cpp:90
#17 0x00007fdf527a1569 in Konsole::Part::~Part (this=0x55b0926df220, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at ./src/Part.cpp:91
#18 0x00007fdf76ea896b in QObjectPrivate::deleteChildren (this=this@entry=0x55b0926da0b0) at kernel/qobject.cpp:2123
#19 0x00007fdf77da4366 in QWidget::~QWidget (this=0x7fdf60001800, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1530
#20 0x000055b091898ee1 in Splitter::~Splitter (this=0x7fdf60001800, __in_chrg=<optimized out>) at ./app/splitter.cpp:31
#21 Splitter::~Splitter (this=0x7fdf60001800, __in_chrg=<optimized out>) at ./app/splitter.cpp:33
#22 0x000055b091894e46 in Session::~Session (this=0x7fdf60006cd0, __in_chrg=<optimized out>) at ./app/session.cpp:46
#23 0x000055b091894ef9 in Session::~Session (this=0x7fdf60006cd0, __in_chrg=<optimized out>) at ./app/session.cpp:49
#24 0x00007fdf76ea896b in QObjectPrivate::deleteChildren (this=this@entry=0x55b0925111b0) at kernel/qobject.cpp:2123
#25 0x00007fdf77da4366 in QWidget::~QWidget (this=0x55b092511b20, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1530
#26 0x000055b09189187e in SessionStack::~SessionStack (this=0x55b092511b20, __in_chrg=<optimized out>) at ./app/sessionstack.cpp:48
#27 SessionStack::~SessionStack (this=0x55b092511b20, __in_chrg=<optimized out>) at ./app/sessionstack.cpp:50
#28 0x00007fdf76ea896b in QObjectPrivate::deleteChildren (this=this@entry=0x55b0924ce150) at kernel/qobject.cpp:2123
#29 0x00007fdf77da4366 in QWidget::~QWidget (this=0x7ffc91d8d860, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1530
#30 0x00007fdf7abdaa2d in KMainWindow::~KMainWindow (this=0x7ffc91d8d860, __in_chrg=<optimized out>) at ./src/kmainwindow.cpp:400
#31 0x000055b091879a9f in main (argc=<optimized out>, argv=<optimized out>) at ./app/main.cpp:85

Possible duplicates by query: bug 420777, bug 420719, bug 420674, bug 415762, bug 400970.

Reported using DrKonqi