My desktop environment is KDE.
When I click start menu and search one application, the search result can be found but there is a bug happens。upgrade kernel and software has no effect。
Application: baloorunner (baloorunner), signal: Bus error
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f3e1960a2c0 (LWP 11536))]
Thread 3 (Thread 0x7f3dfe801700 (LWP 11538)):
#0 0x00007f3e1195aab9 in g_mutex_lock () from /usr/lib64/libglib-2.0.so.0
#1 0x00007f3e1190f75f in ?? () from /usr/lib64/libglib-2.0.so.0
#2 0x00007f3e1190f88c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3 0x00007f3e17511cdb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#4 0x00007f3e174b2e8a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#5 0x00007f3e172d821a in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#6 0x00007f3e183d3cd5 in ?? () from /usr/lib64/libQt5DBus.so.5
#7 0x00007f3e172d99c2 in ?? () from /usr/lib64/libQt5Core.so.5
#8 0x00007f3e13c3f4f9 in start_thread () from /lib64/libpthread.so.0
#9 0x00007f3e16b8dfbf in clone () from /lib64/libc.so.6
Thread 2 (Thread 0x7f3e07463700 (LWP 11537)):
#0 0x00007f3e16b836db in poll () from /lib64/libc.so.6
#1 0x00007f3e0ccb0307 in ?? () from /usr/lib64/libxcb.so.1
#2 0x00007f3e0ccb1f3a in xcb_wait_for_event () from /usr/lib64/libxcb.so.1
#3 0x00007f3e0a258300 in ?? () from /usr/lib64/libQt5XcbQpa.so.5
#4 0x00007f3e172d99c2 in ?? () from /usr/lib64/libQt5Core.so.5
#5 0x00007f3e13c3f4f9 in start_thread () from /lib64/libpthread.so.0
#6 0x00007f3e16b8dfbf in clone () from /lib64/libc.so.6
Thread 1 (Thread 0x7f3e1960a2c0 (LWP 11536)):
[KCrash Handler]
#4 mdb_node_search (mc=mc@entry=0x7ffdfe846250, key=key@entry=0x7ffdfe846620, exactp=exactp@entry=0x7ffdfe845f8c) at mdb.c:5149
#5 0x00007f3e10f5c4d1 in mdb_page_search_root (mc=mc@entry=0x7ffdfe846250, key=key@entry=0x7ffdfe846620, flags=flags@entry=0) at mdb.c:5326
#6 0x00007f3e10f5c78e in mdb_page_search (mc=mc@entry=0x7ffdfe846250, key=key@entry=0x7ffdfe846620, flags=flags@entry=0) at mdb.c:5477
#7 0x00007f3e10f5ce55 in mdb_cursor_set (mc=mc@entry=0x7ffdfe846250, key=key@entry=0x7ffdfe846620, data=data@entry=0x7ffdfe846630, op=op@entry=MDB_SET, exactp=exactp@entry=0x7ffdfe84624c) at mdb.c:5934
#8 0x00007f3e10f5d46f in mdb_get (txn=<optimized out>, dbi=<optimized out>, key=key@entry=0x7ffdfe846620, data=data@entry=0x7ffdfe846630) at mdb.c:5606
#9 0x00007f3e160d3c89 in Baloo::PostingDB::iter (this=this@entry=0x7ffdfe8466e0, term=...) at /usr/src/debug/baloo5-5.71.0-lp152.1.1.x86_64/src/engine/postingdb.cpp:172
#10 0x00007f3e160dc220 in Baloo::Transaction::postingIterator (this=this@entry=0x7ffdfe846d40, query=...) at /usr/src/debug/baloo5-5.71.0-lp152.1.1.x86_64/src/engine/transaction.cpp:333
#11 0x00007f3e19238ca8 in Baloo::SearchStore::constructQuery (this=this@entry=0x7ffdfe846df8, tr=tr@entry=0x7ffdfe846d40, term=...) at /usr/src/debug/baloo5-5.71.0-lp152.1.1.x86_64/src/lib/searchstore.cpp:338
#12 0x00007f3e19237e6e in Baloo::SearchStore::constructQuery (this=this@entry=0x7ffdfe846df8, tr=tr@entry=0x7ffdfe846d40, term=...) at /usr/src/debug/baloo5-5.71.0-lp152.1.1.x86_64/src/lib/searchstore.cpp:205
#13 0x00007f3e19238e81 in Baloo::SearchStore::constructQuery (this=this@entry=0x7ffdfe846df8, tr=tr@entry=0x7ffdfe846d40, term=...) at /usr/src/debug/baloo5-5.71.0-lp152.1.1.x86_64/src/lib/searchstore.cpp:315
#14 0x00007f3e19237e6e in Baloo::SearchStore::constructQuery (this=this@entry=0x7ffdfe846df8, tr=tr@entry=0x7ffdfe846d40, term=...) at /usr/src/debug/baloo5-5.71.0-lp152.1.1.x86_64/src/lib/searchstore.cpp:205
#15 0x00007f3e192391d0 in Baloo::SearchStore::exec (this=this@entry=0x7ffdfe846df8, term=..., offset=0, limit=10, sortResults=<optimized out>) at /usr/src/debug/baloo5-5.71.0-lp152.1.1.x86_64/src/lib/searchstore.cpp:131
#16 0x00007f3e1922315c in Baloo::Query::exec (this=0x7ffdfe846ec0) at /usr/src/debug/baloo5-5.71.0-lp152.1.1.x86_64/src/lib/query.cpp:217
#17 0x0000559ec4f9da13 in ?? ()
#18 0x0000559ec4f9f8a7 in ?? ()
#19 0x00007f3e174e485f in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQt5Core.so.5
#20 0x00007f3e174f1667 in QTimer::timeout(QTimer::QPrivateSignal) () from /usr/lib64/libQt5Core.so.5
#21 0x00007f3e174f19c8 in QTimer::timerEvent(QTimerEvent*) () from /usr/lib64/libQt5Core.so.5
#22 0x00007f3e174e52ab in QObject::event(QEvent*) () from /usr/lib64/libQt5Core.so.5
#23 0x00007f3e187bf73c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#24 0x00007f3e187c6d50 in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#25 0x00007f3e174b4c38 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib64/libQt5Core.so.5
#26 0x00007f3e17511129 in QTimerInfoList::activateTimers() () from /usr/lib64/libQt5Core.so.5
#27 0x00007f3e175118f1 in ?? () from /usr/lib64/libQt5Core.so.5
#28 0x00007f3e1190f464 in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#29 0x00007f3e1190f800 in ?? () from /usr/lib64/libglib-2.0.so.0
#30 0x00007f3e1190f88c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#31 0x00007f3e17511cbf in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#32 0x00007f3e174b2e8a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#33 0x00007f3e174bc090 in QCoreApplication::exec() () from /usr/lib64/libQt5Core.so.5
#34 0x0000559ec4f9bb5f in ?? ()
#35 0x00007f3e16ab634a in __libc_start_main () from /lib64/libc.so.6
#36 0x0000559ec4f9bbda in _start ()
[Inferior 1 (process 11536) detached]