Bug 302881

Application: gwenview (2.9.0)
KDE Platform Version: 4.8.95 (4.8.95) (Compiled from sources)
Qt Version: 4.8.1
Operating System: Linux 3.4.4-gentoo x86_64
Distribution: "Gentoo Base System release 2.1"

-- Information about the crash:
Hi,

I'm experimenting various Gwenview crashes when I move quickly from one folder to an other.

The crash can be reproduced some of the time.

-- Backtrace:
Application: Gwenview (gwenview), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f9c6a2867a0 (LWP 7830))]

Thread 3 (Thread 0x7f9c65c60700 (LWP 7831)):
#0  0x00007f9c729193d1 in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#1  0x00007f9c72919c3b in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f9c72919e44 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f9c7834d366 in QEventDispatcherGlib::processEvents (this=0x2474000, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f9c7831d222 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f9c7831d477 in QEventLoop::exec (this=0x7f9c65c5fcf0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f9c7821db57 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f9c782fd03f in QInotifyFileSystemWatcherEngine::run (this=0x24728e0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f9c78220b7b in QThreadPrivate::start (arg=0x24728e0) at thread/qthread_unix.cpp:298
#9  0x00007f9c6f8034d4 in ?? () from /usr/lib64/libGL.so.1
#10 0x00007f9c74693f2c in start_thread (arg=0x7f9c65c60700) at pthread_create.c:301
#11 0x00007f9c75ed446d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 2 (Thread 0x7f9c64276700 (LWP 7834)):
#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:216
#1  0x00007f9c78220fef in wait (time=30000, this=0x2c91330) at thread/qwaitcondition_unix.cpp:84
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2c8ac38, time=30000) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f9c7821443f in QThreadPoolThread::run (this=0x2c913a0) at concurrent/qthreadpool.cpp:141
#4  0x00007f9c78220b7b in QThreadPrivate::start (arg=0x2c913a0) at thread/qthread_unix.cpp:298
#5  0x00007f9c6f8034d4 in ?? () from /usr/lib64/libGL.so.1
#6  0x00007f9c74693f2c in start_thread (arg=0x7f9c64276700) at pthread_create.c:301
#7  0x00007f9c75ed446d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 1 (Thread 0x7f9c6a2867a0 (LWP 7830)):
[KCrash Handler]
#6  QUrl::QUrl (this=0x7fff53e24ac0, other=...) at io/qurl.cpp:4239
#7  0x00007f9c765c56d9 in KUrl::KUrl(KUrl const&) () from /usr/lib64/libkdecore.so.5
#8  0x00007f9c789e8a80 in KFileItem::url() const () from /usr/lib64/libkio.so.5
#9  0x00007f9c78e40190 in Gwenview::ThumbnailView::setThumbnail (this=0x23bbeb0, item=<optimized out>, pixmap=..., size=...) at /usr/src/debug/kde-base/gwenview-4.8.95/gwenview-4.8.95/lib/thumbnailview/thumbnailview.cpp:585
#10 0x00007f9c78e43dd1 in Gwenview::ThumbnailView::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at /usr/src/debug/kde-base/gwenview-4.8.95/gwenview-4.8.95_build/lib/thumbnailview.moc:109
#11 0x00007f9c783321c1 in QMetaObject::activate (sender=0x2f238e0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff53e24c50) at kernel/qobject.cpp:3547
#12 0x00007f9c78e32eed in Gwenview::ThumbnailLoadJob::thumbnailLoaded (this=<optimized out>, _t1=<optimized out>, _t2=<optimized out>, _t3=<optimized out>) at /usr/src/debug/kde-base/gwenview-4.8.95/gwenview-4.8.95_build/lib/thumbnailloadjob.moc:282
#13 0x00007f9c78e33e83 in Gwenview::ThumbnailLoadJob::emitThumbnailLoaded (this=0x2f238e0, img=<optimized out>, size=...) at /usr/src/debug/kde-base/gwenview-4.8.95/gwenview-4.8.95/lib/thumbnailloadjob.cpp:706
#14 0x00007f9c78e36728 in Gwenview::ThumbnailLoadJob::checkThumbnail (this=0x2f238e0) at /usr/src/debug/kde-base/gwenview-4.8.95/gwenview-4.8.95/lib/thumbnailloadjob.cpp:636
#15 0x00007f9c78e36d06 in Gwenview::ThumbnailLoadJob::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at /usr/src/debug/kde-base/gwenview-4.8.95/gwenview-4.8.95_build/lib/thumbnailloadjob.moc:229
#16 0x00007f9c78337386 in QObject::event (this=0x2f238e0, e=<optimized out>) at kernel/qobject.cpp:1195
#17 0x00007f9c76b44a14 in notify_helper (e=0x2f3c240, receiver=0x2f238e0, this=0x21e8de0) at kernel/qapplication.cpp:4554
#18 QApplicationPrivate::notify_helper (this=0x21e8de0, receiver=0x2f238e0, e=0x2f3c240) at kernel/qapplication.cpp:4526
#19 0x00007f9c76b49893 in QApplication::notify (this=0x7fff53e25920, receiver=0x2f238e0, e=0x2f3c240) at kernel/qapplication.cpp:4415
#20 0x00007f9c7786e626 in KApplication::notify(QObject*, QEvent*) () from /usr/lib64/libkdeui.so.5
#21 0x00007f9c7831e43c in QCoreApplication::notifyInternal (this=0x7fff53e25920, receiver=0x2f238e0, event=0x2f3c240) at kernel/qcoreapplication.cpp:876
#22 0x00007f9c78321cda in sendEvent (event=0x2f3c240, receiver=0x2f238e0) at src/corelib/kernel/qcoreapplication.h:231
#23 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x219b460) at kernel/qcoreapplication.cpp:1500
#24 0x00007f9c7834ced3 in sendPostedEvents () at src/corelib/kernel/qcoreapplication.h:236
#25 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:279
#26 0x00007f9c72919a33 in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#27 0x00007f9c72919d80 in ?? () from /usr/lib64/libglib-2.0.so.0
#28 0x00007f9c72919e44 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#29 0x00007f9c7834d2ff in QEventDispatcherGlib::processEvents (this=0x219b110, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#30 0x00007f9c76be735e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#31 0x00007f9c7831d222 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#32 0x00007f9c7831d477 in QEventLoop::exec (this=0x7fff53e25880, flags=...) at kernel/qeventloop.cpp:204
#33 0x00007f9c78321fd5 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#34 0x0000000000444a83 in main (argc=5, argv=0x7fff53e25c48) at /usr/src/debug/kde-base/gwenview-4.8.95/gwenview-4.8.95/app/main.cpp:142

This bug may be a duplicate of or related to bug 302136.

Possible duplicates by query: bug 302136.

Reported using DrKonqi