Bug 320038

Summary: Kdevelops crashes when entering text during debugging while cursor is not in field
Product: [Applications] kdevelop Reporter: ChrisiPK
Component: generalAssignee: kdevelop-bugs-null
Status: RESOLVED WORKSFORME    
Severity: crash CC: aleixpol, luizromario, tadrui
Priority: NOR Keywords: triaged
Version First Reported In: 4.4.1   
Target Milestone: 4.3.0   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:
Attachments: New crash information added by DrKonqi

Description ChrisiPK 2013-05-20 07:05:16 UTC 
Application: kdevelop (4.4.1)
KDE Platform Version: 4.10.2
Qt Version: 4.8.4
Operating System: Linux 3.8.0-21-generic x86_64
Distribution: Ubuntu 13.04

-- Information about the crash:
- What I was doing when the application crashed:
When debugging applications, I switch to the Debug view and to the GDB input console. For some reason, whenever I send a command, Kdevelop displays a dialog box telling me that GDB is not running. This dialog box takes the focus away from the GDB input text field. Confirming the notice executes the GDB command just fine and the results are displayed in the GDB textarea. The GDB text input field is now not focused, hitting any button will crash Kdevelop.

The crash can be reproduced every time.

-- Backtrace:
Application: KDevelop (kdevelop), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f11badeb7c0 (LWP 7177))]

Thread 12 (Thread 0x7f119dcbc700 (LWP 7178)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x00007f11b88c30a7 in wait (time=1000, this=0x2e642c0) at thread/qwaitcondition_unix.cpp:84
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1f50040, time=1000) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f11b4a1e27b in ?? () from /usr/lib/libkdevplatformlanguage.so.6
#4  0x00007f11b88c2bec in QThreadPrivate::start (arg=0x1f50020) at thread/qthread_unix.cpp:338
#5  0x00007f11b6930f8e in start_thread (arg=0x7f119dcbc700) at pthread_create.c:311
#6  0x00007f11b75c7e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 11 (Thread 0x7f1187048700 (LWP 7181)):
#0  0x00007f11b693407f in __pthread_mutex_unlock_usercnt (mutex=0x7f1180000a60, decr=<optimized out>) at pthread_mutex_unlock.c:52
#1  0x00007f11b1a2b5f1 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f11b19ebd1a in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f11b19ec175 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f11b19ec304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f11b89ee036 in QEventDispatcherGlib::processEvents (this=0x7f11800008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f11b89be38f in QEventLoop::processEvents (this=this@entry=0x7f1187047d90, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f11b89be618 in QEventLoop::exec (this=this@entry=0x7f1187047d90, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f11b88c0410 in QThread::exec (this=this@entry=0x39e3660) at thread/qthread.cpp:542
#9  0x00007f11b899fedf in QInotifyFileSystemWatcherEngine::run (this=0x39e3660) at io/qfilesystemwatcher_inotify.cpp:256
#10 0x00007f11b88c2bec in QThreadPrivate::start (arg=0x39e3660) at thread/qthread_unix.cpp:338
#11 0x00007f11b6930f8e in start_thread (arg=0x7f1187048700) at pthread_create.c:311
#12 0x00007f11b75c7e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 10 (Thread 0x7f1185df3700 (LWP 7182)):
#0  0x00007f11b75bb3cd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f11b19ec1dc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f11b19ec304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f11b89ee036 in QEventDispatcherGlib::processEvents (this=0x7f11780008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f11b89be38f in QEventLoop::processEvents (this=this@entry=0x7f1185df2dc0, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f11b89be618 in QEventLoop::exec (this=this@entry=0x7f1185df2dc0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f11b88c0410 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#7  0x00007f11b88c2bec in QThreadPrivate::start (arg=0x3a687f0) at thread/qthread_unix.cpp:338
#8  0x00007f11b6930f8e in start_thread (arg=0x7f1185df3700) at pthread_create.c:311
#9  0x00007f11b75c7e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 9 (Thread 0x7f11855f2700 (LWP 7183)):
#0  0x00007f11b1a2b35c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f11b1a2b5b9 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f11b19ec2f0 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f11b89ee036 in QEventDispatcherGlib::processEvents (this=0x7f117c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f11b89be38f in QEventLoop::processEvents (this=this@entry=0x7f11855f1dc0, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f11b89be618 in QEventLoop::exec (this=this@entry=0x7f11855f1dc0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f11b88c0410 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#7  0x00007f11b88c2bec in QThreadPrivate::start (arg=0x39e9660) at thread/qthread_unix.cpp:338
#8  0x00007f11b6930f8e in start_thread (arg=0x7f11855f2700) at pthread_create.c:311
#9  0x00007f11b75c7e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 8 (Thread 0x7f1184df1700 (LWP 7188)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f11b3d9fe77 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f11b3d9fea9 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f11b6930f8e in start_thread (arg=0x7f1184df1700) at pthread_create.c:311
#4  0x00007f11b75c7e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 7 (Thread 0x7f11770b2700 (LWP 7202)):
#0  0x00007f11b75bb3cd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f11b19ec1dc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f11b19ec304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f11b89ee036 in QEventDispatcherGlib::processEvents (this=0x7f11700008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f11b89be38f in QEventLoop::processEvents (this=this@entry=0x7f11770b1d90, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f11b89be618 in QEventLoop::exec (this=this@entry=0x7f11770b1d90, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f11b88c0410 in QThread::exec (this=this@entry=0x615cf50) at thread/qthread.cpp:542
#7  0x00007f11b899fedf in QInotifyFileSystemWatcherEngine::run (this=0x615cf50) at io/qfilesystemwatcher_inotify.cpp:256
#8  0x00007f11b88c2bec in QThreadPrivate::start (arg=0x615cf50) at thread/qthread_unix.cpp:338
#9  0x00007f11b6930f8e in start_thread (arg=0x7f11770b2700) at pthread_create.c:311
#10 0x00007f11b75c7e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 6 (Thread 0x7f1174a61700 (LWP 7250)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f11aea6b585 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007f11aea6b5d9 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007f11b6930f8e in start_thread (arg=0x7f1174a61700) at pthread_create.c:311
#4  0x00007f11b75c7e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 5 (Thread 0x7f1175262700 (LWP 7257)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f11ae7b1a09 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007f11aea99cee in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007f11b6930f8e in start_thread (arg=0x7f1175262700) at pthread_create.c:311
#4  0x00007f11b75c7e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 4 (Thread 0x7f112778a700 (LWP 7266)):
#0  0x00007f11b19e94ae in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f11b19eb89f in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f11b19ec0fe in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f11b19ec304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f11b89ee036 in QEventDispatcherGlib::processEvents (this=0x7f1168002a00, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007f11b89be38f in QEventLoop::processEvents (this=this@entry=0x7f1127789dc0, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f11b89be618 in QEventLoop::exec (this=this@entry=0x7f1127789dc0, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f11b88c0410 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#8  0x00007f11b88c2bec in QThreadPrivate::start (arg=0x618c370) at thread/qthread_unix.cpp:338
#9  0x00007f11b6930f8e in start_thread (arg=0x7f112778a700) at pthread_create.c:311
#10 0x00007f11b75c7e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7f1125f32700 (LWP 7502)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f11b88c314b in wait (time=18446744073709551615, this=0x1f75d60) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x1f79c18, mutex=0x1f12420, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f11af521041 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1f79bf0, th=0x911b0e0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f11af52394b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1f121c0, th=0x911b0e0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f11af523964 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1f121c0, th=0x911b0e0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f11af52263f in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0x7f1125f31dc0, parent=0x1f79bf0, th=th@entry=0x911b0e0) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007f11af5226cb in ThreadWeaver::Thread::run (this=0x911b0e0) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007f11b88c2bec in QThreadPrivate::start (arg=0x911b0e0) at thread/qthread_unix.cpp:338
#9  0x00007f11b6930f8e in start_thread (arg=0x7f1125f32700) at pthread_create.c:311
#10 0x00007f11b75c7e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7f1125731700 (LWP 7503)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f11b88c314b in wait (time=18446744073709551615, this=0x1f75d60) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x1f79c18, mutex=0x1f12420, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f11af521041 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1f79bf0, th=0x7f1114002d60) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f11af52394b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1f121c0, th=0x7f1114002d60) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f11af52263f in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0x7f1125730dc0, parent=0x1f79bf0, th=th@entry=0x7f1114002d60) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f11af5226cb in ThreadWeaver::Thread::run (this=0x7f1114002d60) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f11b88c2bec in QThreadPrivate::start (arg=0x7f1114002d60) at thread/qthread_unix.cpp:338
#8  0x00007f11b6930f8e in start_thread (arg=0x7f1125731700) at pthread_create.c:311
#9  0x00007f11b75c7e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7f11badeb7c0 (LWP 7177)):
[KCrash Handler]
#6  GDBDebugger::GDB::interrupt (this=0x0) at ../../../debuggers/gdb/gdb.cpp:158
#7  0x00007f11914ab3f7 in GDBDebugger::DebugSession::interruptDebugger (this=0x72cf510) at ../../../debuggers/gdb/debugsession.cpp:360
#8  0x00007f11914b14e0 in qt_static_metacall (_a=<optimized out>, _id=<optimized out>, _o=<optimized out>, _c=<optimized out>) at ./debugsession.moc:154
#9  GDBDebugger::DebugSession::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at ./debugsession.moc:127
#10 0x00007f11b89d40ef in QMetaObject::activate (sender=0x623d110, m=m@entry=0x7f11916d7700 <GDBDebugger::GDBOutputWidget::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x0) at kernel/qobject.cpp:3539
#11 0x00007f1191495a33 in GDBDebugger::GDBOutputWidget::breakInto (this=<optimized out>) at ./gdboutputwidget.moc:149
#12 0x00007f1191496f5d in qt_static_metacall (_a=<optimized out>, _id=<optimized out>, _o=<optimized out>, _c=<optimized out>) at ./gdboutputwidget.moc:77
#13 GDBDebugger::GDBOutputWidget::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at ./gdboutputwidget.moc:69
#14 0x00007f11b89d40ef in QMetaObject::activate (sender=sender@entry=0x6248340, m=m@entry=0x7f11b8830ca0 <QAbstractButton::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x7ffffbc16290) at kernel/qobject.cpp:3539
#15 0x00007f11b83d0c82 in QAbstractButton::clicked (this=this@entry=0x6248340, _t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:220
#16 0x00007f11b812423e in QAbstractButtonPrivate::emitClicked (this=this@entry=0x6248370) at widgets/qabstractbutton.cpp:548
#17 0x00007f11b8124a30 in QAbstractButtonPrivate::click (this=0x6248370) at widgets/qabstractbutton.cpp:541
#18 0x00007f11b7db2730 in QWidget::event (this=0x6248340, event=0x7ffffbc16a70) at kernel/qwidget.cpp:8458
#19 0x00007f11b7d658ec in QApplicationPrivate::notify_helper (this=this@entry=0x1a831b0, receiver=receiver@entry=0x6248340, e=e@entry=0x7ffffbc16a70) at kernel/qapplication.cpp:4567
#20 0x00007f11b7d68d4d in QApplication::notify (this=this@entry=0x7ffffbc17db0, receiver=receiver@entry=0x6248340, e=e@entry=0x7ffffbc16a70) at kernel/qapplication.cpp:4008
#21 0x00007f11b91c4af6 in KApplication::notify (this=0x7ffffbc17db0, receiver=0x6248340, event=0x7ffffbc16a70) at ../../kdeui/kernel/kapplication.cpp:311
#22 0x00007f11b89bf63e in QCoreApplication::notifyInternal (this=0x7ffffbc17db0, receiver=receiver@entry=0x6248340, event=0x7ffffbc16a70, event@entry=0x7ffffbc16920) at kernel/qcoreapplication.cpp:946
#23 0x00007f11b7d64226 in sendSpontaneousEvent (event=event@entry=0x7ffffbc16920, receiver=receiver@entry=0x6248340) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#24 qt_sendSpontaneousEvent (receiver=receiver@entry=0x6248340, event=event@entry=0x7ffffbc16a70) at kernel/qapplication.cpp:5565
#25 0x00007f11b7e08649 in QKeyMapper::sendKeyEvent (keyWidget=keyWidget@entry=0x6248340, grab=grab@entry=false, type=QEvent::KeyRelease, code=32, modifiers=..., text=..., autorepeat=autorepeat@entry=false, count=1, nativeScanCode=65, nativeVirtualKey=32, nativeModifiers=0) at kernel/qkeymapper_x11.cpp:1866
#26 0x00007f11b7e08a81 in QKeyMapperPrivate::translateKeyEvent (this=0x1ac8c80, keyWidget=keyWidget@entry=0x6248340, event=event@entry=0x7ffffbc174a0, grab=grab@entry=false) at kernel/qkeymapper_x11.cpp:1836
#27 0x00007f11b7ddf859 in QApplication::x11ProcessEvent (this=0x7ffffbc17db0, event=event@entry=0x7ffffbc174a0) at kernel/qapplication_x11.cpp:3639
#28 0x00007f11b7e0b0b2 in x11EventSourceDispatch (s=0x1a87630, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#29 0x00007f11b19ebf05 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007f11b19ec248 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007f11b19ec304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007f11b89ee016 in QEventDispatcherGlib::processEvents (this=0x1a4aad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#33 0x00007f11b7e0b1ae in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#34 0x00007f11b89be38f in QEventLoop::processEvents (this=this@entry=0x7ffffbc17870, flags=...) at kernel/qeventloop.cpp:149
#35 0x00007f11b89be618 in QEventLoop::exec (this=this@entry=0x7ffffbc17870, flags=...) at kernel/qeventloop.cpp:204
#36 0x00007f11b89c3cf6 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#37 0x00007f11b7d63ffc in QApplication::exec () at kernel/qapplication.cpp:3828
#38 0x000000000040e71a in main (argc=<optimized out>, argv=<optimized out>) at ../../app/main.cpp:519

Reported using DrKonqi
Comment 1 Aleix Pol 2013-06-11 23:57:54 UTC 
I can't reproduce, can you maybe try with a newer KDevelop version?
Comment 2 tadrui 2013-07-26 07:54:39 UTC 
Created attachment 81355 [details]
New crash information added by DrKonqi

kdevelop (4.4.1) on KDE Platform 4.10.5 using Qt 4.8.4

- What I was doing when the application crashed:

I was debugging and contents of variable didn't show, so I tried getting it manually via gdb's print commands. So I clicked pause/interrupt in gdb window and then kdevelop crashed.

-- Backtrace (Reduced):
#7  GDBDebugger::GDB::interrupt (this=0x0) at ../../../debuggers/gdb/gdb.cpp:158
#8  0xaa1f80ed in GDBDebugger::DebugSession::interruptDebugger (this=0x96c04c0) at ../../../debuggers/gdb/debugsession.cpp:360
#9  0xaa1fe69d in qt_static_metacall (_a=0xbfdecf9c, _id=20, _o=0x96c04c0, _c=<optimized out>) at ./debugsession.moc:154
#10 GDBDebugger::DebugSession::qt_static_metacall (_o=0x96c04c0, _c=QMetaObject::InvokeMetaMethod, _id=20, _a=0xbfdecf9c) at ./debugsession.moc:127
[...]
#12 0xaa1e0bb5 in GDBDebugger::GDBOutputWidget::breakInto (this=this@entry=0x94aabe0) at ./gdboutputwidget.moc:149
Comment 3 Romário Rios 2015-04-12 13:36:01 UTC 
Application: kdevelop (4.7.0)
KDE Platform Version: 4.14.1
Qt Version: 4.8.6
Operating System: Linux 3.16.0-30-generic x86_64
Distribution: Ubuntu 14.10

-- Information about the crash:
- What I was doing when the application crashed:
I was running the GDB console during the debug of an application when I accidentally hit the pause button. Then KDevelop crashed.

-- Backtrace:
Application: KDevelop (kdevelop), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fec159548c0 (LWP 28104))]

Thread 11 (Thread 0x7febf0ccf700 (LWP 28107)):
#0  0x00007fec120683dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fec0c0c1ee4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fec0c0c1ffc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fec127f904e in QEventDispatcherGlib::processEvents (this=0x7febec0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#4  0x00007fec127ca4f1 in QEventLoop::processEvents (this=this@entry=0x7febf0ccece0, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fec127ca805 in QEventLoop::exec (this=this@entry=0x7febf0ccece0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007fec126c8c39 in QThread::exec (this=this@entry=0x113edf0) at thread/qthread.cpp:538
#7  0x00007fec127ac033 in QInotifyFileSystemWatcherEngine::run (this=0x113edf0) at io/qfilesystemwatcher_inotify.cpp:265
#8  0x00007fec126cb39f in QThreadPrivate::start (arg=0x113edf0) at thread/qthread_unix.cpp:349
#9  0x00007fec113b80a5 in start_thread (arg=0x7febf0ccf700) at pthread_create.c:309
#10 0x00007fec1207288d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 10 (Thread 0x7febebfff700 (LWP 28109)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fec0e72ec8a in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007fec0e72ecb9 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007fec113b80a5 in start_thread (arg=0x7febebfff700) at pthread_create.c:309
#4  0x00007fec1207288d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 9 (Thread 0x7feb6b337700 (LWP 28118)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x00007fec126cb872 in wait (time=1000, this=0x2baed80) at thread/qwaitcondition_unix.cpp:84
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2ba9440, time=1000) at thread/qwaitcondition_unix.cpp:158
#3  0x00007fec0f1a2876 in ?? () from /usr/lib/libkdevplatformlanguage.so.8
#4  0x00007fec126cb39f in QThreadPrivate::start (arg=0x2ba9420) at thread/qthread_unix.cpp:349
#5  0x00007fec113b80a5 in start_thread (arg=0x7feb6b337700) at pthread_create.c:309
#6  0x00007fec1207288d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 8 (Thread 0x7feb5f45f700 (LWP 28119)):
#0  0x00007fec120683dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fec0c0c1ee4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fec0c0c1ffc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fec127f904e in QEventDispatcherGlib::processEvents (this=0x7feb580008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#4  0x00007fec127ca4f1 in QEventLoop::processEvents (this=this@entry=0x7feb5f45ed20, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fec127ca805 in QEventLoop::exec (this=this@entry=0x7feb5f45ed20, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007fec126c8c39 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:538
#7  0x00007fec126cb39f in QThreadPrivate::start (arg=0x16cb408) at thread/qthread_unix.cpp:349
#8  0x00007fec113b80a5 in start_thread (arg=0x7feb5f45f700) at pthread_create.c:309
#9  0x00007fec1207288d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 7 (Thread 0x7feb4ea1f700 (LWP 28126)):
#0  0x00007fec0c0bf010 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fec0c0c14f8 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fec0c0c1e0b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fec0c0c1ffc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fec127f904e in QEventDispatcherGlib::processEvents (this=0x7feb480008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#5  0x00007fec127ca4f1 in QEventLoop::processEvents (this=this@entry=0x7feb4ea1ed20, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007fec127ca805 in QEventLoop::exec (this=this@entry=0x7feb4ea1ed20, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007fec126c8c39 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:538
#8  0x00007fec126cb39f in QThreadPrivate::start (arg=0x36d3230) at thread/qthread_unix.cpp:349
#9  0x00007fec113b80a5 in start_thread (arg=0x7feb4ea1f700) at pthread_create.c:309
#10 0x00007fec1207288d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 6 (Thread 0x7feb47fff700 (LWP 28194)):
#0  0x00007fec0c106384 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fec0c0c1729 in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fec0c0c1e5a in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fec0c0c2272 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007febfd7baef6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#5  0x00007fec0c0e8925 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fec113b80a5 in start_thread (arg=0x7feb47fff700) at pthread_create.c:309
#7  0x00007fec1207288d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 5 (Thread 0x7feb456ce700 (LWP 28227)):
#0  0x00007fec0c0c189d in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fec0c0c1e83 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fec0c0c1ffc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fec127f904e in QEventDispatcherGlib::processEvents (this=0x7feb2831ba90, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#4  0x00007fec127ca4f1 in QEventLoop::processEvents (this=this@entry=0x7feb456cdce0, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fec127ca805 in QEventLoop::exec (this=this@entry=0x7feb456cdce0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007fec126c8c39 in QThread::exec (this=this@entry=0x5455720) at thread/qthread.cpp:538
#7  0x00007fec127ac033 in QInotifyFileSystemWatcherEngine::run (this=0x5455720) at io/qfilesystemwatcher_inotify.cpp:265
#8  0x00007fec126cb39f in QThreadPrivate::start (arg=0x5455720) at thread/qthread_unix.cpp:349
#9  0x00007fec113b80a5 in start_thread (arg=0x7feb456ce700) at pthread_create.c:309
#10 0x00007fec1207288d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 4 (Thread 0x7feb45ecf700 (LWP 28231)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fec126cb894 in wait (time=18446744073709551615, this=0x16b98e0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x16b97b8, mutex=0x16b9a60, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007fec0a2d1e9c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x16b9790, th=0x37336b0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007fec0a2d4d73 in ThreadWeaver::WorkingHardState::applyForWork (this=0x16b9af0, th=0x37336b0, previous=0x50a74c0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007fec0a2d385f in ThreadWeaver::Thread::run (this=0x37336b0) at ../../../threadweaver/Weaver/Thread.cpp:98
#6  0x00007fec126cb39f in QThreadPrivate::start (arg=0x37336b0) at thread/qthread_unix.cpp:349
#7  0x00007fec113b80a5 in start_thread (arg=0x7feb45ecf700) at pthread_create.c:309
#8  0x00007fec1207288d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7feb44ecd700 (LWP 28232)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fec126cb894 in wait (time=18446744073709551615, this=0x16b98e0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x16b97b8, mutex=0x16b9a60, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007fec0a2d1e9c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x16b9790, th=0x7feb30034060) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007fec0a2d4d73 in ThreadWeaver::WorkingHardState::applyForWork (this=0x16b9af0, th=0x7feb30034060, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007fec0a2d4d8c in ThreadWeaver::WorkingHardState::applyForWork (this=0x16b9af0, th=0x7feb30034060, previous=0x62f31c0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007fec0a2d385f in ThreadWeaver::Thread::run (this=0x7feb30034060) at ../../../threadweaver/Weaver/Thread.cpp:98
#7  0x00007fec126cb39f in QThreadPrivate::start (arg=0x7feb30034060) at thread/qthread_unix.cpp:349
#8  0x00007fec113b80a5 in start_thread (arg=0x7feb44ecd700) at pthread_create.c:309
#9  0x00007fec1207288d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7feb3ffff700 (LWP 28238)):
#0  0x00007fec120683dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fec0c0c1ee4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fec0c0c1ffc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fec127f904e in QEventDispatcherGlib::processEvents (this=0x7feb200008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#4  0x00007fec127ca4f1 in QEventLoop::processEvents (this=this@entry=0x7feb3fffece0, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fec127ca805 in QEventLoop::exec (this=this@entry=0x7feb3fffece0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007fec126c8c39 in QThread::exec (this=this@entry=0x12ed480) at thread/qthread.cpp:538
#7  0x00007fec127ac033 in QInotifyFileSystemWatcherEngine::run (this=0x12ed480) at io/qfilesystemwatcher_inotify.cpp:265
#8  0x00007fec126cb39f in QThreadPrivate::start (arg=0x12ed480) at thread/qthread_unix.cpp:349
#9  0x00007fec113b80a5 in start_thread (arg=0x7feb3ffff700) at pthread_create.c:309
#10 0x00007fec1207288d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7fec159548c0 (LWP 28104)):
[KCrash Handler]
#6  GDBDebugger::GDB::interrupt (this=0x0) at ../../../debuggers/gdb/gdb.cpp:159
#7  0x00007feb5dff0342 in GDBDebugger::DebugSession::interruptDebugger (this=0x5974b30) at ../../../debuggers/gdb/debugsession.cpp:359
#8  0x00007feb5dff9e69 in GDBDebugger::DebugSession::qt_static_metacall (_o=<optimized out>, _id=<optimized out>, _a=0x7fff400ac600, _c=<optimized out>) at ./debugsession.moc:154
#9  0x00007fec127dfa7a in QMetaObject::activate (sender=0x4c19c20, m=m@entry=0x7feb5e23e8a0 <GDBDebugger::GDBOutputWidget::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x0) at kernel/qobject.cpp:3567
#10 0x00007feb5dfdcd3b in breakInto (this=<optimized out>) at ./gdboutputwidget.moc:148
#11 GDBDebugger::GDBOutputWidget::qt_static_metacall (_o=<optimized out>, _id=<optimized out>, _a=<optimized out>, _c=<optimized out>) at ./gdboutputwidget.moc:76
#12 0x00007fec127dfa7a in QMetaObject::activate (sender=sender@entry=0x4c22040, m=m@entry=0x7fec137e28e0 <QAbstractButton::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x7fff400ac7d0) at kernel/qobject.cpp:3567
#13 0x00007fec13358f32 in QAbstractButton::clicked (this=this@entry=0x4c22040, _t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:219
#14 0x00007fec130b9bf3 in QAbstractButtonPrivate::emitClicked (this=this@entry=0x4c22ee0) at widgets/qabstractbutton.cpp:548
#15 0x00007fec130bade0 in QAbstractButtonPrivate::click (this=0x4c22ee0) at widgets/qabstractbutton.cpp:541
#16 0x00007fec12d4fce8 in QWidget::event (this=0x0, event=0x17) at kernel/qwidget.cpp:8775
#17 0x00007fec12d0011c in QApplicationPrivate::notify_helper (this=this@entry=0xd9dd10, receiver=receiver@entry=0x4c22040, e=e@entry=0x7fff400acb80) at kernel/qapplication.cpp:4570
#18 0x00007fec12d0801b in QApplication::notify (this=this@entry=0x7fff400ad670, receiver=receiver@entry=0x4c22040, e=e@entry=0x7fff400acb80) at kernel/qapplication.cpp:4011
#19 0x00007fec13ca857a in KApplication::notify (this=0x7fff400ad670, receiver=0x4c22040, event=0x7fff400acb80) at ../../kdeui/kernel/kapplication.cpp:311
#20 0x00007fec127cb86d in QCoreApplication::notifyInternal (this=0x7fff400ad670, receiver=receiver@entry=0x4c22040, event=event@entry=0x7fff400acb80) at kernel/qcoreapplication.cpp:953
#21 0x00007fec12cfe6d6 in sendSpontaneousEvent (event=event@entry=0x7fff400acb80, receiver=receiver@entry=0x4c22040) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#22 qt_sendSpontaneousEvent (receiver=receiver@entry=0x4c22040, event=event@entry=0x7fff400acb80) at kernel/qapplication.cpp:5568
#23 0x00007fec12da09e0 in QKeyMapper::sendKeyEvent (keyWidget=keyWidget@entry=0x4c22040, grab=grab@entry=255, type=QEvent::KeyRelease, code=32, modifiers=..., text=..., autorepeat=false, count=1, nativeScanCode=65, nativeVirtualKey=32, nativeModifiers=16) at kernel/qkeymapper_x11.cpp:1866
#24 0x00007fec12da0e62 in QKeyMapperPrivate::translateKeyEvent (this=<optimized out>, keyWidget=keyWidget@entry=0x4c22040, event=0x7feb00000000, event@entry=0x7fff400ad0f0, grab=grab@entry=false) at kernel/qkeymapper_x11.cpp:1836
#25 0x00007fec12d7a48c in QApplication::x11ProcessEvent (this=0x7fff400ad670, event=event@entry=0x7fff400ad0f0) at kernel/qapplication_x11.cpp:3642
#26 0x00007fec12da3432 in x11EventSourceDispatch (s=0xdadf70, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#27 0x00007fec0c0c1c5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007fec0c0c1f48 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007fec0c0c1ffc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007fec127f904e in QEventDispatcherGlib::processEvents (this=0xce4100, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#31 0x00007fec12da34e6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#32 0x00007fec127ca4f1 in QEventLoop::processEvents (this=this@entry=0x7fff400ad4d0, flags=...) at kernel/qeventloop.cpp:149
#33 0x00007fec127ca805 in QEventLoop::exec (this=this@entry=0x7fff400ad4d0, flags=...) at kernel/qeventloop.cpp:204
#34 0x00007fec127cff67 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1225
#35 0x00007fec12cfe4dc in QApplication::exec () at kernel/qapplication.cpp:3828
#36 0x000000000041035c in main (argc=<optimized out>, argv=<optimized out>) at ../../app/main.cpp:564
Comment 4 Andrew Crouthamel 2018-09-25 21:51:23 UTC 
Dear Bug Submitter,

This bug has been in NEEDSINFO status with no change for at least 15 days. Please provide the requested information as soon as possible and set the bug status as REPORTED. Due to regular bug tracker maintenance, if the bug is still in NEEDSINFO status with no change in 30 days, the bug will be closed as RESOLVED > WORKSFORME due to lack of needed information.

For more information about our bug triaging procedures please read the wiki located here: https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

If you have already provided the requested information, please set the bug status as REPORTED so that the KDE team knows that the bug is ready to be confirmed.

Thank you for helping us make KDE software even better for everyone!
Comment 5 Andrew Crouthamel 2018-10-27 02:02:43 UTC 
Dear Bug Submitter,

This bug has been in NEEDSINFO status with no change for at least 30 days. The bug is now closed as RESOLVED > WORKSFORME due to lack of needed information.

For more information about our bug triaging procedures please read the wiki located here: https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

Thank you for helping us make KDE software even better for everyone!