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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:       2012-10-22 23:12:13
Message-ID: bug-308049-17878-3VXyXGvYjR () http ! bugs ! kde ! org/
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https://bugs.kde.org/show_bug.cgi?id=308049

--- Comment #3 from Baokai Lei <leibaokai@sina.cn> ---
Had another Dolphin crash today, also while just browsing a folder with many
videos, thumbnails enabled.

I'll put the backtrace below, hoepfully it's more helpful.

Application: dolphin (2.1)
KDE Platform Version: 4.9.2
Qt Version: 4.8.3
Operating System: Linux 3.5.0-17-generic x86_64
Distribution: Ubuntu 12.10

-- Information about the crash:

The crash can be reproduced sometimes.

-- Backtrace:
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 0x7f7ef9a26780 (LWP 4406))]

Thread 4 (Thread 0x7f7edfc70700 (LWP 4407)):
#0  0x00007f7ef93f5303 in __GI___poll (fds=<optimized out>, nfds=<optimized
out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f7ef0b3fd84 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7ef0b3fea4 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7ef61e2c16 in QEventDispatcherGlib::processEvents
(this=0x7f7ed80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f7ef61b32bf in QEventLoop::processEvents
(this=this@entry=0x7f7edfc6fdd0, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f7ef61b3548 in QEventLoop::exec (this=0x7f7edfc6fdd0, flags=...) at
kernel/qeventloop.cpp:204
#6  0x00007f7ef60b4b10 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:501
#7  0x00007f7ef61939af in QInotifyFileSystemWatcherEngine::run (this=0x1b801d0)
at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f7ef60b7aec in QThreadPrivate::start (arg=0x1b801d0) at
thread/qthread_unix.cpp:338
#9  0x00007f7ef1406e9a in start_thread (arg=0x7f7edfc70700) at
pthread_create.c:308
#10 0x00007f7ef9400cbd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f7ede8e0700 (LWP 4408)):
#0  0x00007f7ef140a05d in __pthread_mutex_unlock_usercnt (mutex=<optimized
out>, decr=<optimized out>) at pthread_mutex_unlock.c:52
#1  __pthread_mutex_unlock (mutex=0x7f7ed0000a60) at pthread_mutex_unlock.c:290
#2  0x00007f7ef0b7cc61 in g_mutex_unlock () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7ef0b3f672 in g_main_context_prepare () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7ef0b3fcab in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f7ef0b3fea4 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f7ef61e2c16 in QEventDispatcherGlib::processEvents
(this=0x7f7ed00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0x00007f7ef61b32bf in QEventLoop::processEvents
(this=this@entry=0x7f7ede8dfdd0, flags=...) at kernel/qeventloop.cpp:149
#8  0x00007f7ef61b3548 in QEventLoop::exec (this=0x7f7ede8dfdd0, flags=...) at
kernel/qeventloop.cpp:204
#9  0x00007f7ef60b4b10 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:501
#10 0x00007f7ef61939af in QInotifyFileSystemWatcherEngine::run (this=0x1ce72c0)
at io/qfilesystemwatcher_inotify.cpp:248
#11 0x00007f7ef60b7aec in QThreadPrivate::start (arg=0x1ce72c0) at
thread/qthread_unix.cpp:338
#12 0x00007f7ef1406e9a in start_thread (arg=0x7f7ede8e0700) at
pthread_create.c:308
#13 0x00007f7ef9400cbd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#14 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f7edd025700 (LWP 4419)):
#0  0x00007f7ef93f5303 in __GI___poll (fds=<optimized out>, nfds=<optimized
out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f7ef0b3fd84 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7ef0b3fea4 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7ef61e2c16 in QEventDispatcherGlib::processEvents
(this=0x7f7ec80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f7ef61b32bf in QEventLoop::processEvents
(this=this@entry=0x7f7edd024dd0, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f7ef61b3548 in QEventLoop::exec (this=0x7f7edd024dd0, flags=...) at
kernel/qeventloop.cpp:204
#6  0x00007f7ef60b4b10 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:501
#7  0x00007f7ef61939af in QInotifyFileSystemWatcherEngine::run (this=0x250ce70)
at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f7ef60b7aec in QThreadPrivate::start (arg=0x250ce70) at
thread/qthread_unix.cpp:338
#9  0x00007f7ef1406e9a in start_thread (arg=0x7f7edd025700) at
pthread_create.c:308
#10 0x00007f7ef9400cbd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f7ef9a26780 (LWP 4406)):
[KCrash Handler]
#6  QCoreApplication::notifyInternal (this=0x7fffc7a6db20, receiver=0x3038210,
event=0x7fffc7a6d030) at kernel/qcoreapplication.cpp:902
#7  0x00007f7ef52e1546 in sendEvent (event=0x7fffc7a6d030, receiver=<optimized
out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#8  QApplicationPrivate::dispatchEnterLeave (enter=0x3038210, leave=<optimized
out>) at kernel/qapplication.cpp:2827
#9  0x00007f7ef535e277 in QApplication::x11ProcessEvent (this=0x7fffc7a6db20,
event=0x7fffc7a6d610) at kernel/qapplication_x11.cpp:3810
#10 0x00007f7ef5385fa2 in x11EventSourceDispatch (s=0x1aaf670, callback=0x0,
user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#11 0x00007f7ef0b3fab5 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f7ef0b3fde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007f7ef0b3fea4 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#14 0x00007f7ef61e2bf6 in QEventDispatcherGlib::processEvents (this=0x1a72e40,
flags=...) at kernel/qeventdispatcher_glib.cpp:424
#15 0x00007f7ef5385c1e in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#16 0x00007f7ef61b32bf in QEventLoop::processEvents
(this=this@entry=0x7fffc7a6d9e0, flags=...) at kernel/qeventloop.cpp:149
#17 0x00007f7ef61b3548 in QEventLoop::exec (this=0x7fffc7a6d9e0, flags=...) at
kernel/qeventloop.cpp:204
#18 0x00007f7ef61b8708 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1187
#19 0x00007f7ef971a907 in kdemain () from
/usr/lib/kde4/libkdeinit/libkdeinit4_dolphin.so
#20 0x00007f7ef932e76d in __libc_start_main (main=0x4006a0, argc=1,
ubp_av=0x7fffc7a6dc58, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fffc7a6dc48) at libc-start.c:226
#21 0x00000000004006d1 in _start ()

Possible duplicates by query: bug 308830, bug 306177, bug 305645, bug 304897,
bug 304480.

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