[dolphin] [Bug 414372] New: dolphin crashes when unmount external usb disks

Thu Nov 21 17:07:17 GMT 2019

https://bugs.kde.org/show_bug.cgi?id=414372

            Bug ID: 414372
           Summary: dolphin crashes when unmount external usb disks
           Product: dolphin
           Version: unspecified
          Platform: unspecified
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: dolphin-bugs-null at kde.org
          Reporter: chesterhimes73 at yahoo.com
                CC: kfm-devel at kde.org
  Target Milestone: ---

Application: dolphin (20.03.70)

Qt Version: 5.13.2
Frameworks Version: 5.65.0
Operating System: Linux 5.0.0-36-generic x86_64
Windowing system: X11
Distribution: KDE neon Unstable Edition

-- Information about the crash:
- What I was doing when the application
dolphin crashes when unmount external usb disks

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 0x7f6c31359180 (LWP 26859))]

Thread 4 (Thread 0x7f6c05b7a700 (LWP 26862)):
#0  0x00007f6c228e553c in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f6c228e56dc in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6c2a860b9b in QEventDispatcherGlib::processEvents
(this=0x7f6c00000b40, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#3  0x00007f6c2a80106a in QEventLoop::exec (this=this at entry=0x7f6c05b79d60,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:225
#4  0x00007f6c2a61c3aa in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:531
#5  0x00007f6c2a61db52 in QThreadPrivate::start (arg=0x561c3cacc700) at
thread/qthread_unix.cpp:360
#6  0x00007f6c24d8e6db in start_thread (arg=0x7f6c05b7a700) at
pthread_create.c:463
#7  0x00007f6c30bd288f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f6c0f964700 (LWP 26861)):
#0  0x00007f6c2292b664 in g_mutex_unlock () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f6c228e4f58 in g_main_context_check () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6c228e5570 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6c228e56dc in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6c2a860b9b in QEventDispatcherGlib::processEvents
(this=0x7f6c08000b40, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f6c2a80106a in QEventLoop::exec (this=this at entry=0x7f6c0f963d30,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:225
#6  0x00007f6c2a61c3aa in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:531
#7  0x00007f6c2acd70e5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007f6c2a61db52 in QThreadPrivate::start (arg=0x7f6c2af4ed80) at
thread/qthread_unix.cpp:360
#9  0x00007f6c24d8e6db in start_thread (arg=0x7f6c0f964700) at
pthread_create.c:463
#10 0x00007f6c30bd288f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f6c15e96700 (LWP 26860)):
#0  0x00007f6c30bc5bf9 in __GI___poll (fds=0x7f6c15e95c68, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f6c253bd747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f6c253bf36a in xcb_wait_for_event () from
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f6c18c7be10 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f6c2a61db52 in QThreadPrivate::start (arg=0x561c3c56a410) at
thread/qthread_unix.cpp:360
#5  0x00007f6c24d8e6db in start_thread (arg=0x7f6c15e96700) at
pthread_create.c:463
#6  0x00007f6c30bd288f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f6c31359180 (LWP 26859)):
[KCrash Handler]
#6  QByteArray::QByteArray (this=0x7ffd129cbf98, size=-1) at
tools/qbytearray.cpp:1843
#7  0x00007f6c2994adbb in k_queryAttributes (path=..., attributes=...) at
./src/xattr_p.h:240
#8  0x00007f6c2994ea89 in KFileMetaData::UserMetaData::queryAttributes
(this=this at entry=0x7ffd129cc0d0, attributes=..., attributes at entry=...) at
./src/usermetadata.cpp:220
#9  0x00007f6c2f5f23bb in Baloo::Private::convertUserMetaData (metaData=...) at
./src/filemetadatautil.cpp:37
#10 0x00007f6c2f5f3a33 in Baloo::IndexedDataRetriever::slotIndexedFile
(this=0x561c3cfbf6c0, exitCode=<optimized out>, exitStatus=<optimized out>) at
./src/indexeddataretriever.cpp:70
#11 0x00007f6c2a8339ef in QtPrivate::QSlotObjectBase::call (a=0x7ffd129cc260,
r=0x561c3cfbf6c0, this=<optimized out>) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#12 QMetaObject::activate (sender=sender at entry=0x561c3cd8f780,
signalOffset=<optimized out>, local_signal_index=local_signal_index at entry=2,
argv=<optimized out>, argv at entry=0x7ffd129cc260) at kernel/qobject.cpp:3789
#13 0x00007f6c2a833f97 in QMetaObject::activate
(sender=sender at entry=0x561c3cd8f780, m=m at entry=0x7f6c2acb68a0
<QProcess::staticMetaObject>, local_signal_index=local_signal_index at entry=2,
argv=argv at entry=0x7ffd129cc260) at kernel/qobject.cpp:3660
#14 0x00007f6c2a7717af in QProcess::finished (this=this at entry=0x561c3cd8f780,
_t1=<optimized out>, _t2=<optimized out>) at .moc/moc_qprocess.cpp:339
#15 0x00007f6c2a7786d7 in QProcessPrivate::_q_processDied (this=0x561c3cfb07b0)
at io/qprocess.cpp:1189
#16 0x00007f6c2a7787f9 in QProcess::qt_static_metacall (_o=<optimized out>,
_c=<optimized out>, _id=<optimized out>, _a=0x7ffd129cc410) at
.moc/moc_qprocess.cpp:216
#17 0x00007f6c2a8338d5 in QMetaObject::activate
(sender=sender at entry=0x561c3e413de0, signalOffset=<optimized out>,
local_signal_index=local_signal_index at entry=0, argv=<optimized out>,
argv at entry=0x7ffd129cc410) at kernel/qobject.cpp:3809
#18 0x00007f6c2a833f97 in QMetaObject::activate
(sender=sender at entry=0x561c3e413de0, m=m at entry=0x7f6c2acb8c40
<QSocketNotifier::staticMetaObject>,
local_signal_index=local_signal_index at entry=0, argv=argv at entry=0x7ffd129cc410)
at kernel/qobject.cpp:3660
#19 0x00007f6c2a840028 in QSocketNotifier::activated
(this=this at entry=0x561c3e413de0, _t1=<optimized out>, _t2=...) at
.moc/moc_qsocketnotifier.cpp:141
#20 0x00007f6c2a8403e2 in QSocketNotifier::event (this=0x561c3e413de0,
e=0x7ffd129cc6f0) at kernel/qsocketnotifier.cpp:266
#21 0x00007f6c2bad3eac in QApplicationPrivate::notify_helper
(this=this at entry=0x561c3c5685b0, receiver=receiver at entry=0x561c3e413de0,
e=e at entry=0x7ffd129cc6f0) at kernel/qapplication.cpp:3703
#22 0x00007f6c2badb4b0 in QApplication::notify (this=0x7ffd129cca00,
receiver=0x561c3e413de0, e=0x7ffd129cc6f0) at kernel/qapplication.cpp:3449
#23 0x00007f6c2a802f08 in QCoreApplication::notifyInternal2
(receiver=0x561c3e413de0, event=0x7ffd129cc6f0) at
kernel/qcoreapplication.cpp:1095
#24 0x00007f6c2a8030de in QCoreApplication::sendEvent (receiver=<optimized
out>, event=event at entry=0x7ffd129cc6f0) at kernel/qcoreapplication.cpp:1490
#25 0x00007f6c2a8617e8 in socketNotifierSourceDispatch (source=0x561c3c5d8f40)
at kernel/qeventdispatcher_glib.cpp:107
#26 0x00007f6c228e5417 in g_main_context_dispatch () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007f6c228e5650 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007f6c228e56dc in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007f6c2a860b7f in QEventDispatcherGlib::processEvents
(this=0x561c3c5d7a60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#30 0x00007f6c2a80106a in QEventLoop::exec (this=this at entry=0x7ffd129cc910,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:225
#31 0x00007f6c2a80a3e0 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1403
#32 0x00007f6c30ee842c in kdemain (argc=<optimized out>, argv=<optimized out>)
at ./src/main.cpp:188
#33 0x00007f6c30ad2b97 in __libc_start_main (main=0x561c3bd6f720 <main>,
argc=1, argv=0x7ffd129ccb68, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffd129ccb58) at ../csu/libc-start.c:310
#34 0x0000561c3bd6f75a in _start ()

Possible duplicates by query: bug 414227, bug 401024, bug 398191, bug 395128,
bug 351850.

Reported using DrKonqi

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