https://bugs.kde.org/show_bug.cgi?id=356558

            Bug ID: 356558
           Summary: Dolphin crashes when selecting multiple files
           Product: dolphin
           Version: 15.08.2
          Platform: Ubuntu Packages
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: dolphin-bugs-n...@kde.org
          Reporter: yzhern...@gmail.com

Application: dolphin (15.08.2)

Qt Version: 5.4.2
Operating System: Linux 4.3.0-040300-generic x86_64
Distribution: Ubuntu 15.10

-- Information about the crash:
- What I was doing when the application crashed:
Had Dolphin opened to a directoy with several files. Was selecting a few files,
when it suddenly crashed. The number of files that triggers the crash seems to
be random, but I was able to select a large number of files in "Details" view
mode than in "Icons" view mode.

The crash can be reproduced every time.

-- 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 0x7f86b11f9800 (LWP 24573))]

Thread 4 (Thread 0x7f869b6dd700 (LWP 24574)):
#0  0x00007f86b0c068dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f86a55debd2 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f86a55e074f in xcb_wait_for_event () from
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f869dc2ba39 in QXcbEventReader::run (this=0x2486440) at
qxcbconnection.cpp:1105
#4  0x00007f86aba752be in QThreadPrivate::start (arg=0x2486440) at
thread/qthread_unix.cpp:337
#5  0x00007f86a80dc6aa in start_thread (arg=0x7f869b6dd700) at
pthread_create.c:333
#6  0x00007f86b0c11eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f869164a700 (LWP 24600)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f869932b343 in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007f869932aa68 in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007f86a80dc6aa in start_thread (arg=0x7f869164a700) at
pthread_create.c:333
#4  0x00007f86b0c11eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f868dd46700 (LWP 24601)):
#0  0x00007f86b0c068dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f86a79a61ec in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f86a79a62fc in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f86abcac29b in QEventDispatcherGlib::processEvents
(this=0x7f86880008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f86abc5275a in QEventLoop::exec (this=this@entry=0x7f868dd45dc0,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f86aba703d4 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:503
#6  0x00007f86aba752be in QThreadPrivate::start (arg=0x2aaba70) at
thread/qthread_unix.cpp:337
#7  0x00007f86a80dc6aa in start_thread (arg=0x7f868dd46700) at
pthread_create.c:333
#8  0x00007f86b0c11eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f86b11f9800 (LWP 24573)):
[KCrash Handler]
#6  mdb_cursor_init (mc=mc@entry=0x7ffcf4652310, txn=txn@entry=0x2a3fcf0,
dbi=dbi@entry=1, mx=mx@entry=0x0) at mdb.c:7130
#7  0x00007f86a42bdd0b in mdb_dbi_open (txn=0x2a3fcf0,
name=name@entry=0x7f86a89b5d75 "postingdb", flags=flags@entry=0,
dbi=dbi@entry=0x7ffcf46524e4) at mdb.c:9167
#8  0x00007f86a89a2507 in Baloo::PostingDB::open (txn=<optimized out>) at
../../../src/engine/postingdb.cpp:53
#9  0x00007f86a8995eb9 in Baloo::Database::open (this=this@entry=0x7f86a8bbc3e0
<(anonymous namespace)::Q_QGS_s_db::innerFunction()::holder>,
mode=mode@entry=Baloo::Database::OpenDatabase) at
../../../src/engine/database.cpp:102
#10 0x00007f86aea0ae46 in Baloo::File::load (this=this@entry=0x7ffcf4652740) at
../../../src/lib/file.cpp:99
#11 0x00007f86aef99806 in Baloo::FileFetchJob::doStart (this=0x2cff120) at
../../src/filefetchjob.cpp:58
#12 0x00007f86abc86651 in QObject::event (this=0x2cff120, e=<optimized out>) at
kernel/qobject.cpp:1245
#13 0x00007f86ac732b8c in QApplicationPrivate::notify_helper
(this=this@entry=0x2465910, receiver=receiver@entry=0x2cff120,
e=e@entry=0x2d7a860) at kernel/qapplication.cpp:3720
#14 0x00007f86ac738230 in QApplication::notify (this=0x7ffcf4652e40,
receiver=0x2cff120, e=0x2d7a860) at kernel/qapplication.cpp:3503
#15 0x00007f86abc54f1b in QCoreApplication::notifyInternal
(this=0x7ffcf4652e40, receiver=0x2cff120, event=event@entry=0x2d7a860) at
kernel/qcoreapplication.cpp:935
#16 0x00007f86abc57057 in QCoreApplication::sendEvent (event=0x2d7a860,
receiver=<optimized out>) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228
#17 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0,
event_type=event_type@entry=0, data=0x2464aa0) at
kernel/qcoreapplication.cpp:1552
#18 0x00007f86abc57588 in QCoreApplication::sendPostedEvents
(receiver=receiver@entry=0x0, event_type=event_type@entry=0) at
kernel/qcoreapplication.cpp:1410
#19 0x00007f86abcabe73 in postEventSourceDispatch (s=0x24b60c0) at
kernel/qeventdispatcher_glib.cpp:271
#20 0x00007f86a79a5ff7 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f86a79a6250 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f86a79a62fc in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f86abcac27f in QEventDispatcherGlib::processEvents (this=0x24acd40,
flags=...) at kernel/qeventdispatcher_glib.cpp:418
#24 0x00007f86abc5275a in QEventLoop::exec (this=this@entry=0x7ffcf4652d10,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#25 0x00007f86abc5a2cc in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1188
#26 0x00007f86ac17f00c in QGuiApplication::exec () at
kernel/qguiapplication.cpp:1510
#27 0x00007f86ac72f025 in QApplication::exec () at kernel/qapplication.cpp:2956
#28 0x00007f86b0f331c4 in kdemain (argc=1, argv=<optimized out>) at
../../src/main.cpp:146
#29 0x00007f86b0b2ba40 in __libc_start_main (main=0x400730 <main(int, char**)>,
argc=1, argv=0x7ffcf4652fc8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffcf4652fb8) at libc-start.c:289
#30 0x0000000000400769 in _start ()

Reported using DrKonqi

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