Application: baloo_file (5.6.2)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-18-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
I do  install a software  Jdownloader  in Kubuntu 15.04 during the installation the error appeared

The crash can be reproduced sometimes.

-- Backtrace:
Application: Baloo File (baloo_file), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f77386fc800 (LWP 2138))]

Thread 2 (Thread 0x7f7724c06700 (LWP 2143)):
#0  0x00007f7734fa58dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f7733e8db72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f7733e8f64f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f7726b2a099 in QXcbEventReader::run (this=0xdc0290) at qxcbconnection.cpp:1105
#4  0x00007f773583cb0e in QThreadPrivate::start (arg=0xdc0290) at thread/qthread_unix.cpp:337
#5  0x00007f7734c936aa in start_thread (arg=0x7f7724c06700) at pthread_create.c:333
#6  0x00007f7734fb0eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f77386fc800 (LWP 2138)):
[KCrash Handler]
#6  getint2 (c=9, p=<optimized out>) at ../common/unaligned.h:50
#7  ChertTable::find_in_block (p=p@entry=0x1a221 <error: Cannot access memory at address 0x1a221>, key=..., leaf=leaf@entry=false, c=891745256) at ../backends/chert/chert_table.cc:474
#8  0x00007f77376d4db3 in ChertTable::find (this=0xdf58c8, C_=0x142b7a0) at ../backends/chert/chert_table.cc:508
#9  0x00007f77376aea31 in ChertCursor::find_entry (this=0x1429330, key="\000\330\000\003F") at ../backends/chert/chert_cursor.cc:214
#10 0x00007f77376db7b3 in ChertValueManager::get_chunk_containing_did (this=this@entry=0xdf5e28, slot=slot@entry=0, did=838, chunk="") at ../backends/chert/chert_values.cc:164
#11 0x00007f77376df0d3 in ChertValueManager::get_value (this=0xdf5e28, did=838, slot=0) at ../backends/chert/chert_values.cc:476
#12 0x00007f77376bf22a in ChertDocument::do_get_value (this=<optimized out>, slot=<optimized out>) at ../backends/chert/chert_document.cc:40
#13 0x00007f773762fa62 in Xapian::Document::Internal::get_value (this=0xfb7980, slot=slot@entry=0) at ../api/omdocument.cc:279
#14 0x00007f773762fa7c in Xapian::Document::get_value (this=this@entry=0x7ffcb2dd6fa0, slot=slot@entry=0) at ../api/omdocument.cc:59
#15 0x00007f77379f710a in Baloo::XapianDocument::value (this=this@entry=0x7ffcb2dd6fa0, slot=slot@entry=0) at ../../../src/xapian/xapiandocument.cpp:133
#16 0x000000000041e4c4 in Baloo::BasicIndexingQueue::shouldIndex (this=this@entry=0xe4d850, file=..., mimetype=...) at ../../../src/file/basicindexingqueue.cpp:142
#17 0x000000000041f0a5 in Baloo::BasicIndexingQueue::process (this=this@entry=0xe4d850, file=..., flags=...) at ../../../src/file/basicindexingqueue.cpp:97
#18 0x000000000041f65c in Baloo::BasicIndexingQueue::processNextIteration (this=0xe4d850) at ../../../src/file/basicindexingqueue.cpp:79
#19 0x00007f7735aac73a in QObject::event (this=0xe4d850, e=<optimized out>) at kernel/qobject.cpp:1245
#20 0x00007f7736384b2c in QApplicationPrivate::notify_helper (this=0xdab180, receiver=0xe4d850, e=0x129f8a0) at kernel/qapplication.cpp:3720
#21 0x00007f773638a000 in QApplication::notify (this=0x7ffcb2dd77d0, receiver=0xe4d850, e=0x129f8a0) at kernel/qapplication.cpp:3503
#22 0x00007f7735a7ac2b in QCoreApplication::notifyInternal (this=0x7ffcb2dd77d0, receiver=0xe4d850, event=event@entry=0x129f8a0) at kernel/qcoreapplication.cpp:935
#23 0x00007f7735a7cc9b in sendEvent (event=0x129f8a0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228
#24 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0xda7f20) at kernel/qcoreapplication.cpp:1552
#25 0x00007f7735a7d298 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1410
#26 0x00007f7735ad3843 in postEventSourceDispatch (s=0xdd9ab0) at kernel/qeventdispatcher_glib.cpp:271
#27 0x00007f772f97dc3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007f772f97df20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007f772f97dfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007f7735ad3c57 in QEventDispatcherGlib::processEvents (this=0xdd9460, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#31 0x00007f7735a783e2 in QEventLoop::exec (this=this@entry=0x7ffcb2dd7640, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#32 0x00007f7735a8002c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#33 0x00007f7735dbf31c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#34 0x00007f77363807a5 in QApplication::exec () at kernel/qapplication.cpp:2956
#35 0x0000000000417477 in main (argc=1, argv=<optimized out>) at ../../../src/file/main.cpp:101

Reported using DrKonqi