Bug 228075

Summary:	Searching usage for QString::compare crashed kdevelop
Product:	[Applications] kdevelop	Reporter:	irfangul82
Component:	general	Assignee:	kdevelop-bugs-null
Status:	RESOLVED NOT A BUG
Severity:	crash	CC:	cyberbeat
Priority:	NOR
Version First Reported In:	unspecified
Target Milestone:	---
Platform:	Unlisted Binaries
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:

Description irfangul82 2010-02-22 16:23:06 UTC

Application that crashed: kdevelop
Version of the application: 3.9.95 (using KDevPlatform 0.9.95)
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-19-generic i686
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
Basically I was using the pop help context to search for the documentation on QString::compare. I clicked on show "documentation"

 -- Backtrace:
Application: KDevelop (kdevelop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb7719700 (LWP 14880))]

Thread 8 (Thread 0xb4372b70 (LWP 14882)):
#0  0x00a33422 in __kernel_vsyscall ()
#1  0x00f4c142 in pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_timedwait.S:179
#2  0x005238d4 in __pthread_cond_timedwait (cond=0x998d060, mutex=0x998d048, abstime=0xb43722c0) at forward.c:152
#3  0x007f5def in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#4  0x06cf9715 in ?? () from /usr/lib/libkdevplatformlanguage.so.1
#5  0x007f4e32 in ?? () from /usr/lib/libQtCore.so.4
#6  0x00f4780e in start_thread (arg=0xb4372b70) at pthread_create.c:300
#7  0x005168de in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 7 (Thread 0xb233cb70 (LWP 15017)):
#0  0x00d54e06 in *__GI_clock_gettime (clock_id=13996020, tp=0xb233c018) at ../sysdeps/unix/clock_gettime.c:100
#1  0x00911bf3 in ?? () from /usr/lib/libQtCore.so.4
#2  0x00911de1 in ?? () from /usr/lib/libQtCore.so.4
#3  0x0091288c in ?? () from /usr/lib/libQtCore.so.4
#4  0x00910210 in ?? () from /usr/lib/libQtCore.so.4
#5  0x06165f90 in g_main_context_prepare () from /lib/libglib-2.0.so.0
#6  0x06166351 in ?? () from /lib/libglib-2.0.so.0
#7  0x06166863 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#8  0x00910067 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#9  0x008e3c79 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#10 0x008e40ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#11 0x007f1b73 in QThread::exec() () from /usr/lib/libQtCore.so.4
#12 0x06dfe1d0 in ?? () from /usr/lib/libkdevplatformlanguage.so.1
#13 0x007f4e32 in ?? () from /usr/lib/libQtCore.so.4
#14 0x00f4780e in start_thread (arg=0xb233cb70) at pthread_create.c:300
#15 0x005168de in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 6 (Thread 0xaf0c4b70 (LWP 15018)):
#0  0x00a33422 in __kernel_vsyscall ()
#1  0x00508c96 in *__GI___poll (fds=0x58aff4, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#2  0x0617354b in g_poll () from /lib/libglib-2.0.so.0
#3  0x0616656b in ?? () from /lib/libglib-2.0.so.0
#4  0x06166863 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#5  0x00910067 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#6  0x008e3c79 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#7  0x008e40ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#8  0x007f1b73 in QThread::exec() () from /usr/lib/libQtCore.so.4
#9  0x06dfe1d0 in ?? () from /usr/lib/libkdevplatformlanguage.so.1
#10 0x007f4e32 in ?? () from /usr/lib/libQtCore.so.4
#11 0x00f4780e in start_thread (arg=0xaf0c4b70) at pthread_create.c:300
#12 0x005168de in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 5 (Thread 0xae8c3b70 (LWP 15021)):
#0  0x00a33422 in __kernel_vsyscall ()
#1  0x00f4c142 in pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_timedwait.S:179
#2  0x005238d4 in __pthread_cond_timedwait (cond=0xae8c3234, mutex=0xae8c3264, abstime=0xae8c32b0) at forward.c:152
#3  0x007f481e in ?? () from /usr/lib/libQtCore.so.4
#4  0x007f4973 in QThread::msleep(unsigned long) () from /usr/lib/libQtCore.so.4
#5  0x028ad2ab in ?? () from /usr/lib/kde4/kdevcpplanguagesupport.so
#6  0x007f4e32 in ?? () from /usr/lib/libQtCore.so.4
#7  0x00f4780e in start_thread (arg=0xae8c3b70) at pthread_create.c:300
#8  0x005168de in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 4 (Thread 0xae0c2b70 (LWP 15022)):
#0  0x00a33422 in __kernel_vsyscall ()
#1  0x00f4be15 in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:122
#2  0x0052387d in __pthread_cond_wait (cond=0x9921d98, mutex=0x9921d80) at forward.c:139
#3  0x007f5e67 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#4  0x09354b30 in ?? () from /usr/lib/libthreadweaver.so.4
#5  0x0935719c in ?? () from /usr/lib/libthreadweaver.so.4
#6  0x093531fb in ?? () from /usr/lib/libthreadweaver.so.4
#7  0x09357292 in ?? () from /usr/lib/libthreadweaver.so.4
#8  0x09354db3 in ?? () from /usr/lib/libthreadweaver.so.4
#9  0x093572b1 in ?? () from /usr/lib/libthreadweaver.so.4
#10 0x09354db3 in ?? () from /usr/lib/libthreadweaver.so.4
#11 0x093553be in ?? () from /usr/lib/libthreadweaver.so.4
#12 0x093559db in ThreadWeaver::Thread::run() () from /usr/lib/libthreadweaver.so.4
#13 0x007f4e32 in ?? () from /usr/lib/libQtCore.so.4
#14 0x00f4780e in start_thread (arg=0xae0c2b70) at pthread_create.c:300
#15 0x005168de in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 3 (Thread 0xad8c1b70 (LWP 15023)):
#0  0x00a33422 in __kernel_vsyscall ()
#1  0x00f4be15 in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:122
#2  0x0052387d in __pthread_cond_wait (cond=0x9921d98, mutex=0x9921d80) at forward.c:139
#3  0x007f5e67 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#4  0x09354b30 in ?? () from /usr/lib/libthreadweaver.so.4
#5  0x0935719c in ?? () from /usr/lib/libthreadweaver.so.4
#6  0x093531fb in ?? () from /usr/lib/libthreadweaver.so.4
#7  0x09357292 in ?? () from /usr/lib/libthreadweaver.so.4
#8  0x09354db3 in ?? () from /usr/lib/libthreadweaver.so.4
#9  0x093553be in ?? () from /usr/lib/libthreadweaver.so.4
#10 0x093559db in ThreadWeaver::Thread::run() () from /usr/lib/libthreadweaver.so.4
#11 0x007f4e32 in ?? () from /usr/lib/libQtCore.so.4
#12 0x00f4780e in start_thread (arg=0xad8c1b70) at pthread_create.c:300
#13 0x005168de in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 2 (Thread 0xaccffb70 (LWP 15142)):
#0  0x00a33422 in __kernel_vsyscall ()
#1  0x00f4be15 in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:122
#2  0x0052387d in __pthread_cond_wait (cond=0xa869180, mutex=0xa869168) at forward.c:139
#3  0x007f5e67 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#4  0x09354b30 in ?? () from /usr/lib/libthreadweaver.so.4
#5  0x0935719c in ?? () from /usr/lib/libthreadweaver.so.4
#6  0x093531fb in ?? () from /usr/lib/libthreadweaver.so.4
#7  0x09357292 in ?? () from /usr/lib/libthreadweaver.so.4
#8  0x09354db3 in ?? () from /usr/lib/libthreadweaver.so.4
#9  0x093553be in ?? () from /usr/lib/libthreadweaver.so.4
#10 0x093559db in ThreadWeaver::Thread::run() () from /usr/lib/libthreadweaver.so.4
#11 0x007f4e32 in ?? () from /usr/lib/libQtCore.so.4
#12 0x00f4780e in start_thread (arg=0xaccffb70) at pthread_create.c:300
#13 0x005168de in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb7719700 (LWP 14880)):
[KCrash Handler]
#6  0x019102ec in QTextEdit::ensureCursorVisible() () from /usr/lib/libQtGui.so.4
#7  0x01917157 in QTextEdit::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/libQtGui.so.4
#8  0x01918574 in QTextBrowser::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/libQtGui.so.4
#9  0x014df012 in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#10 0x0188e633 in QFrame::event(QEvent*) () from /usr/lib/libQtGui.so.4
#11 0x0192d494 in QAbstractScrollArea::viewportEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#12 0x0192fa95 in ?? () from /usr/lib/libQtGui.so.4
#13 0x008e483a in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#14 0x01489f2c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#15 0x01492033 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#16 0x011a9bfa in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#17 0x008e56cb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#18 0x01490f6e in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&) () from /usr/lib/libQtGui.so.4
#19 0x014ff7c0 in ?? () from /usr/lib/libQtGui.so.4
#20 0x014fec4b in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#21 0x0152b502 in ?? () from /usr/lib/libQtGui.so.4
#22 0x06162e88 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#23 0x06166730 in ?? () from /lib/libglib-2.0.so.0
#24 0x06166863 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#25 0x0091002c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#26 0x0152abe5 in ?? () from /usr/lib/libQtGui.so.4
#27 0x008e3c79 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#28 0x008e40ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#29 0x008e653f in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#30 0x01489dd7 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#31 0x0804f393 in _start ()

Reported using DrKonqi

Comment 1 Andreas Pakulat 2010-02-22 16:50:59 UTC

Beta5 is too old to accept bugreports from it, please update to Beta8.

Comment 2 Kevin Funk 2012-12-01 20:11:52 UTC

*** Bug 284868 has been marked as a duplicate of this bug. ***