https://bugs.kde.org/show_bug.cgi?id=356114

Edward Donovan <kde-b...@numble.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |kde-b...@numble.net

--- Comment #4 from Edward Donovan <kde-b...@numble.net> ---
My experience under Kubuntu 16.04 is just the same.  
  Plasma 5.5.5
  Qt 5.5.1

I believe it's been happening for a while under at least Kubuntu 15.10 as well;
I forget what Plasma & Qt versions that might have been.  

My backtrace may not add anything, but drkonqi usually suggests it's no use,
and this time it liked it for a change.  (I'm not adding this via drkonqi
because it got stuck when I tried to mark my report as a dupe.  Oh well.) 
Thanks.

Backtrace of the crash I experienced:

Application: Baloo File Indexing Daemon (baloo_file), signal: Segmentation
fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f47d0f988c0 (LWP 2451))]

Thread 2 (Thread 0x7f4686028700 (LWP 2742)):
#0  0x00007f47cf0a7e8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f47cc27931c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f47cc27942c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f47cfcdda9b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f47cfc84dea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x0000000000420cd8 in Baloo::FileContentIndexer::run() ()
#6  0x00007f47cfaa3343 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f47cfaa684e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f47ce70a6fa in start_thread (arg=0x7f4686028700) at
pthread_create.c:333
#9  0x00007f47cf0b3b5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f47d0f988c0 (LWP 2451)):
[KCrash Handler]
#6  __memcpy_sse2_unaligned () at
../sysdeps/x86_64/multiarch/memcpy-sse2-unaligned.S:38
#7  0x00007f47d01908da in Baloo::PostingCodec::decode(QByteArray const&) ()
from /usr/lib/x86_64-linux-gnu/libKF5BalooEngine.so.5
#8  0x00007f47d017c814 in Baloo::PostingDB::get(QByteArray const&) () from
/usr/lib/x86_64-linux-gnu/libKF5BalooEngine.so.5
#9  0x00007f47d018d3c6 in Baloo::WriteTransaction::commit() () from
/usr/lib/x86_64-linux-gnu/libKF5BalooEngine.so.5
#10 0x00007f47d0185032 in Baloo::Transaction::commit() () from
/usr/lib/x86_64-linux-gnu/libKF5BalooEngine.so.5
#11 0x00000000004296d5 in Baloo::MetadataMover::removeFileMetadata(QString
const&) ()
#12 0x00007f47cfcb5e4f in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x0000000000432f05 in Baloo::PendingFileQueue::removeFileIndex(QString
const&) ()
#14 0x0000000000427856 in Baloo::PendingFileQueue::processCache() ()
#15 0x00007f47cfcb5e4f in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007f47cfcc2878 in QTimer::timerEvent(QTimerEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f47cfcb6e53 in QObject::event(QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f47cfc8760c in QCoreApplication::notifyInternal(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f47cfcdc89d in QTimerInfoList::activateTimers() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f47cfcdcdd9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007f47cc279127 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f47cc279380 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f47cc27942c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f47cfcdda7f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007f47cfc84dea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007f47cfc8ce8c in QCoreApplication::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x000000000041698c in main ()

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