'[Bug 308049] Dolphin crashed while browsing folder with images and videos (Preview enabled)'

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List:       kde-bugs-dist
Subject:    [Bug 308049] Dolphin crashed while browsing folder with images and videos (Preview enabled)
From:       Baokai Lei <leibaokai () sina ! cn>
Date:       2012-10-31 22:24:45
Message-ID: bug-308049-17878-yZaMxEZhif () http ! bugs ! kde ! org/
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https://bugs.kde.org/show_bug.cgi?id=308049

--- Comment #4 from Baokai Lei <leibaokai@sina.cn> ---
Slightly different situation this time: Dolphin was running in an ordinary
window, showing a folder with video and image thumbnails, and screensaver was
running (the normal "slideshow" screensaver).
In exactly the moment I stopped the screensaver, Dolphin crashed.

I could get a more detailled backtrace this time by manually installing the
libglib debug package (no idea why it wasn't installed before).

Take a look if it's more helpful now.

Application: Dolphin (dolphin), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f48ffa76780 (LWP 11162))]

Thread 4 (Thread 0x7f48e5cc0700 (LWP 11163)):
#0  0x00007f48f745a05d in __pthread_mutex_unlock_usercnt (mutex=<optimized
out>, decr=<optimized out>) at pthread_mutex_unlock.c:52
#1  __pthread_mutex_unlock (mutex=0x7f48e0000a60) at pthread_mutex_unlock.c:290
#2  0x00007f48f6bccc61 in g_mutex_unlock (mutex=mutex@entry=0x7f48e00009a0) at
/build/buildd/glib2.0-2.34.0/./glib/gthread-posix.c:227
#3  0x00007f48f6b8fc9e in g_main_context_iterate
(context=context@entry=0x7f48e00009a0, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at
/build/buildd/glib2.0-2.34.0/./glib/gmain.c:3268
#4  0x00007f48f6b8fea4 in g_main_context_iteration (context=0x7f48e00009a0,
may_block=1) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3351
#5  0x00007f48fc232c16 in QEventDispatcherGlib::processEvents
(this=0x7f48e00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f48fc2032bf in QEventLoop::processEvents
(this=this@entry=0x7f48e5cbfdd0, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f48fc203548 in QEventLoop::exec (this=0x7f48e5cbfdd0, flags=...) at
kernel/qeventloop.cpp:204
#8  0x00007f48fc104b10 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:501
#9  0x00007f48fc1e39af in QInotifyFileSystemWatcherEngine::run (this=0xd91e10)
at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007f48fc107aec in QThreadPrivate::start (arg=0xd91e10) at
thread/qthread_unix.cpp:338
#11 0x00007f48f7456e9a in start_thread (arg=0x7f48e5cc0700) at
pthread_create.c:308
#12 0x00007f48ff450cbd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f48e4939700 (LWP 11164)):
#0  0x00007f48f7458f69 in __pthread_mutex_lock (mutex=0x7f48d8000a60) at
pthread_mutex_lock.c:92
#1  0x00007f48f6bccc31 in g_mutex_lock (mutex=mutex@entry=0x7f48d80009a0) at
/build/buildd/glib2.0-2.34.0/./glib/gthread-posix.c:208
#2  0x00007f48f6b8f897 in g_main_context_check
(context=context@entry=0x7f48d80009a0, max_priority=2147483647,
fds=fds@entry=0x7f48d80029b0, n_fds=n_fds@entry=1) at
/build/buildd/glib2.0-2.34.0/./glib/gmain.c:3171
#3  0x00007f48f6b8fd22 in g_main_context_iterate
(context=context@entry=0x7f48d80009a0, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at
/build/buildd/glib2.0-2.34.0/./glib/gmain.c:3287
#4  0x00007f48f6b8fea4 in g_main_context_iteration (context=0x7f48d80009a0,
may_block=1) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3351
#5  0x00007f48fc232c16 in QEventDispatcherGlib::processEvents
(this=0x7f48d80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f48fc2032bf in QEventLoop::processEvents
(this=this@entry=0x7f48e4938dd0, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f48fc203548 in QEventLoop::exec (this=0x7f48e4938dd0, flags=...) at
kernel/qeventloop.cpp:204
#8  0x00007f48fc104b10 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:501
#9  0x00007f48fc1e39af in QInotifyFileSystemWatcherEngine::run (this=0xf1a5a0)
at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007f48fc107aec in QThreadPrivate::start (arg=0xf1a5a0) at
thread/qthread_unix.cpp:338
#11 0x00007f48f7456e9a in start_thread (arg=0x7f48e4939700) at
pthread_create.c:308
#12 0x00007f48ff450cbd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f48de9dc700 (LWP 11175)):
#0  0x00007f48ff445303 in __GI___poll (fds=<optimized out>, nfds=<optimized
out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f48f6b8fd84 in g_main_context_poll (n_fds=1, fds=0x7f48cc0029b0,
timeout=-1, context=0x7f48cc0009a0, priority=<optimized out>) at
/build/buildd/glib2.0-2.34.0/./glib/gmain.c:3584
#2  g_main_context_iterate (context=context@entry=0x7f48cc0009a0,
block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at
/build/buildd/glib2.0-2.34.0/./glib/gmain.c:3285
#3  0x00007f48f6b8fea4 in g_main_context_iteration (context=0x7f48cc0009a0,
may_block=1) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3351
#4  0x00007f48fc232c16 in QEventDispatcherGlib::processEvents
(this=0x7f48cc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007f48fc2032bf in QEventLoop::processEvents
(this=this@entry=0x7f48de9dbdd0, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f48fc203548 in QEventLoop::exec (this=0x7f48de9dbdd0, flags=...) at
kernel/qeventloop.cpp:204
#7  0x00007f48fc104b10 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:501
#8  0x00007f48fc1e39af in QInotifyFileSystemWatcherEngine::run (this=0x17a63c0)
at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007f48fc107aec in QThreadPrivate::start (arg=0x17a63c0) at
thread/qthread_unix.cpp:338
#10 0x00007f48f7456e9a in start_thread (arg=0x7f48de9dc700) at
pthread_create.c:308
#11 0x00007f48ff450cbd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f48ffa76780 (LWP 11162)):
[KCrash Handler]
#6  QCoreApplication::notifyInternal (this=0x7fff3d9107a0, receiver=0x17f12c0,
event=0x7fff3d90fcb0) at kernel/qcoreapplication.cpp:902
#7  0x00007f48fb331546 in sendEvent (event=0x7fff3d90fcb0, receiver=<optimized
out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#8  QApplicationPrivate::dispatchEnterLeave (enter=0x17fc700, leave=<optimized
out>) at kernel/qapplication.cpp:2827
#9  0x00007f48fb3ae415 in QApplication::x11ProcessEvent (this=0x7fff3d9107a0,
event=0x7fff3d910290) at kernel/qapplication_x11.cpp:3733
#10 0x00007f48fb3d5fa2 in x11EventSourceDispatch (s=s@entry=0xcbf670,
callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#11 0x00007f48f6b8fab5 in g_main_dispatch (context=0xcbe400) at
/build/buildd/glib2.0-2.34.0/./glib/gmain.c:2715
#12 g_main_context_dispatch (context=context@entry=0xcbe400) at
/build/buildd/glib2.0-2.34.0/./glib/gmain.c:3219
#13 0x00007f48f6b8fde8 in g_main_context_iterate
(context=context@entry=0xcbe400, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at
/build/buildd/glib2.0-2.34.0/./glib/gmain.c:3290
#14 0x00007f48f6b8fea4 in g_main_context_iteration (context=0xcbe400,
may_block=1) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3351
#15 0x00007f48fc232bf6 in QEventDispatcherGlib::processEvents (this=0xc82e40,
flags=...) at kernel/qeventdispatcher_glib.cpp:424
#16 0x00007f48fb3d5c1e in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#17 0x00007f48fc2032bf in QEventLoop::processEvents
(this=this@entry=0x7fff3d910660, flags=...) at kernel/qeventloop.cpp:149
#18 0x00007f48fc203548 in QEventLoop::exec (this=0x7fff3d910660, flags=...) at
kernel/qeventloop.cpp:204
#19 0x00007f48fc208708 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1187
#20 0x00007f48ff76a907 in kdemain () from
/usr/lib/kde4/libkdeinit/libkdeinit4_dolphin.so
#21 0x00007f48ff37e76d in __libc_start_main (main=0x4006a0, argc=1,
ubp_av=0x7fff3d9108d8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fff3d9108c8) at libc-start.c:226
#22 0x00000000004006d1 in _start ()

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