Bug 277380

Summary: Nepomuk crash on shutdown
Product: [Unmaintained] nepomuk Reporter: Rubens Hardt <rubens.hardt>
Component: generalAssignee: Sebastian Trueg <sebastian>
Status: RESOLVED DUPLICATE    
Severity: crash CC: dyrver.eriksson, me, trueg
Priority: NOR    
Version: unspecified   
Target Milestone: ---   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:
Attachments: New crash information added by DrKonqi

Description Rubens Hardt 2011-07-08 19:47:23 UTC 
Application: nepomukservicestub (0.2)
KDE Platform Version: 4.6.2 (4.6.2)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-8-generic x86_64
Distribution: Ubuntu 11.04

-- Information about the crash:
I've shutdown the system. No other application was running, excep those in background.

The crash can be reproduced some of the time.

-- Backtrace:
Application: Stub do servidor do Nepomuk (nepomukservicestub), signal: Segmentation fault
pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
	in ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S
[Current thread is 1 (Thread 0x7f6fff5cf780 (LWP 1692))]

Thread 8 (Thread 0x7f6fe37fe700 (LWP 1773)):
[KCrash Handler]
#6  0x0000000000000000 in ?? ()
#7  0x00007f6fff0b549c in QCoreApplication::notifyInternal (this=0x7fff3c90d870, receiver=0x1d6ad70, event=0x7f6fe37fdb50) at kernel/qcoreapplication.cpp:731
#8  0x00007f6fff0dfda9 in sendEvent (source=0x1bdf8d0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#9  socketNotifierSourceDispatch (source=0x1bdf8d0) at kernel/qeventdispatcher_glib.cpp:110
#10 0x00007f6ffbebebcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f6ffbebf3a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f6ffbebf639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007f6fff0e03ef in QEventDispatcherGlib::processEvents (this=0x1be1f70, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#14 0x00007f6fff0b4882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#15 0x00007f6fff0b4abc in QEventLoop::exec (this=0x7f6fe37fdd50, flags=...) at kernel/qeventloop.cpp:201
#16 0x00007f6ffefcb924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#17 0x00007f6feea85641 in ?? () from /usr/lib/libsopranoserver.so.1
#18 0x00007f6ffefce175 in QThreadPrivate::start (arg=0x1b374c0) at thread/qthread_unix.cpp:320
#19 0x00007f6ffc99ad8c in start_thread (arg=0x7f6fe37fe700) at pthread_create.c:304
#20 0x00007f6ffcc9804d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#21 0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7f6fe9738700 (LWP 1803)):
#0  0x00007f6ffcc8af03 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f6ffbebf104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6ffbebf639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6fff0e0446 in QEventDispatcherGlib::processEvents (this=0x1adc070, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f6fff0b4882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f6fff0b4abc in QEventLoop::exec (this=0x7f6fe9737d50, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f6ffefcb924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#7  0x00007f6feea85641 in ?? () from /usr/lib/libsopranoserver.so.1
#8  0x00007f6ffefce175 in QThreadPrivate::start (arg=0x1bf58d0) at thread/qthread_unix.cpp:320
#9  0x00007f6ffc99ad8c in start_thread (arg=0x7f6fe9738700) at pthread_create.c:304
#10 0x00007f6ffcc9804d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7f6fe2ffd700 (LWP 1805)):
#0  0x00007f6ffc9a0c14 in __pthread_getspecific (key=0) at pthread_getspecific.c:33
#1  0x00007f6ffefce241 in get_thread_data () at thread/qthread_unix.cpp:161
#2  QThreadData::current () at thread/qthread_unix.cpp:199
#3  0x00007f6fff0dfe99 in postEventSourcePrepare (s=0x1bcd190, timeout=0x7f6fe2ffcbcc) at kernel/qeventdispatcher_glib.cpp:254
#4  0x00007f6ffbebe0a2 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f6ffbebef9d in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f6ffbebf639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f6fff0e0446 in QEventDispatcherGlib::processEvents (this=0x1bfa2c0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#8  0x00007f6fff0b4882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#9  0x00007f6fff0b4abc in QEventLoop::exec (this=0x7f6fe2ffcd50, flags=...) at kernel/qeventloop.cpp:201
#10 0x00007f6ffefcb924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#11 0x00007f6feea85641 in ?? () from /usr/lib/libsopranoserver.so.1
#12 0x00007f6ffefce175 in QThreadPrivate::start (arg=0x1bc3e50) at thread/qthread_unix.cpp:320
#13 0x00007f6ffc99ad8c in start_thread (arg=0x7f6fe2ffd700) at pthread_create.c:304
#14 0x00007f6ffcc9804d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#15 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f6fe27fc700 (LWP 1821)):
#0  pthread_mutex_unlock (mutex=0x1bd1a68) at forward.c:184
#1  0x00007f6ffbebe094 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6ffbebef9d in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6ffbebf639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6fff0e0446 in QEventDispatcherGlib::processEvents (this=0x1be9b30, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007f6fff0b4882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f6fff0b4abc in QEventLoop::exec (this=0x7f6fe27fbd50, flags=...) at kernel/qeventloop.cpp:201
#7  0x00007f6ffefcb924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#8  0x00007f6feea85641 in ?? () from /usr/lib/libsopranoserver.so.1
#9  0x00007f6ffefce175 in QThreadPrivate::start (arg=0x1bacb30) at thread/qthread_unix.cpp:320
#10 0x00007f6ffc99ad8c in start_thread (arg=0x7f6fe27fc700) at pthread_create.c:304
#11 0x00007f6ffcc9804d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f6fe17fa700 (LWP 2033)):
#0  __pthread_mutex_unlock_usercnt (mutex=0x1bf49f8) at pthread_mutex_unlock.c:49
#1  __pthread_mutex_unlock (mutex=0x1bf49f8) at pthread_mutex_unlock.c:290
#2  0x00007f6ffbebe4f5 in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6ffbebf00a in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6ffbebf639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f6fff0e0446 in QEventDispatcherGlib::processEvents (this=0x1bd1860, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#6  0x00007f6fff0b4882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f6fff0b4abc in QEventLoop::exec (this=0x7f6fe17f9d50, flags=...) at kernel/qeventloop.cpp:201
#8  0x00007f6ffefcb924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#9  0x00007f6feea85641 in ?? () from /usr/lib/libsopranoserver.so.1
#10 0x00007f6ffefce175 in QThreadPrivate::start (arg=0x1b71d30) at thread/qthread_unix.cpp:320
#11 0x00007f6ffc99ad8c in start_thread (arg=0x7f6fe17fa700) at pthread_create.c:304
#12 0x00007f6ffcc9804d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f6fdaffd700 (LWP 2046)):
#0  0x00007f6ffcc8af03 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f6ffbebf104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6ffbebf639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6fff0e0446 in QEventDispatcherGlib::processEvents (this=0x1bddcc0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f6fff0b4882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f6fff0b4abc in QEventLoop::exec (this=0x7f6fdaffcd50, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f6ffefcb924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#7  0x00007f6feea85641 in ?? () from /usr/lib/libsopranoserver.so.1
#8  0x00007f6ffefce175 in QThreadPrivate::start (arg=0x7f6fdc009950) at thread/qthread_unix.cpp:320
#9  0x00007f6ffc99ad8c in start_thread (arg=0x7f6fdaffd700) at pthread_create.c:304
#10 0x00007f6ffcc9804d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f6fe0ff9700 (LWP 2078)):
#0  0x00007f6ffbebe82c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f6ffbebf122 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6ffbebf639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6fff0e0446 in QEventDispatcherGlib::processEvents (this=0x1bd1de0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f6fff0b4882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f6fff0b4abc in QEventLoop::exec (this=0x7f6fe0ff8d50, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f6ffefcb924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#7  0x00007f6feea85641 in ?? () from /usr/lib/libsopranoserver.so.1
#8  0x00007f6ffefce175 in QThreadPrivate::start (arg=0x7f6fe4006b40) at thread/qthread_unix.cpp:320
#9  0x00007f6ffc99ad8c in start_thread (arg=0x7f6fe0ff9700) at pthread_create.c:304
#10 0x00007f6ffcc9804d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f6fff5cf780 (LWP 1692)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f6ffefce82b in wait (this=<value optimized out>, mutex=0x1b45640, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x1b45640, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f6ffefcd910 in QThread::wait (this=<value optimized out>, time=18446744073709551615) at thread/qthread_unix.cpp:722
#4  0x00007f6feea84c48 in ?? () from /usr/lib/libsopranoserver.so.1
#5  0x00007f6feea8aea3 in ?? () from /usr/lib/libsopranoserver.so.1
#6  0x00007f6feea81556 in Soprano::Server::ServerCore::~ServerCore() () from /usr/lib/libsopranoserver.so.1
#7  0x00007f6feecd4ecb in Nepomuk::Core::~Core (this=0x1ac7150, __in_chrg=<value optimized out>) at ../../../../nepomuk/services/storage/nepomukcore.cpp:45
#8  0x00007f6feecd4f49 in Nepomuk::Core::~Core (this=0x1ac7150, __in_chrg=<value optimized out>) at ../../../../nepomuk/services/storage/nepomukcore.cpp:48
#9  0x00007f6fff0c7c14 in QObjectPrivate::deleteChildren (this=0x1a888e0) at kernel/qobject.cpp:1964
#10 0x00007f6fff0cc5f4 in QObject::~QObject (this=0x1ac92b0, __in_chrg=<value optimized out>) at kernel/qobject.cpp:946
#11 0x00007f6feecd4173 in ~Storage (this=<value optimized out>, __in_chrg=<value optimized out>) at ../../../../nepomuk/services/storage/storage.cpp:50
#12 Nepomuk::Storage::~Storage (this=<value optimized out>, __in_chrg=<value optimized out>) at ../../../../nepomuk/services/storage/storage.cpp:52
#13 0x00007f6fff0c7c14 in QObjectPrivate::deleteChildren (this=0x1ab9f10) at kernel/qobject.cpp:1964
#14 0x00007f6fff0cc5f4 in QObject::~QObject (this=0x1ab7d50, __in_chrg=<value optimized out>) at kernel/qobject.cpp:946
#15 0x00000000004043e9 in Nepomuk::ServiceControl::~ServiceControl (this=0x1ab7d50, __in_chrg=<value optimized out>) at ../../../nepomuk/servicestub/servicecontrol.cpp:39
#16 0x00007f6fff0c7c14 in QObjectPrivate::deleteChildren (this=0x199bd10) at kernel/qobject.cpp:1964
#17 0x00007f6fff0cc5f4 in QObject::~QObject (this=0x7fff3c90d870, __in_chrg=<value optimized out>) at kernel/qobject.cpp:946
#18 0x00007f6ffd40f112 in QApplication::~QApplication (this=0x7fff3c90d870, __in_chrg=<value optimized out>) at kernel/qapplication.cpp:1080
#19 0x0000000000403cd1 in main (argc=2, argv=<value optimized out>) at ../../../nepomuk/servicestub/main.cpp:101

This bug may be a duplicate of or related to bug 275245.

Possible duplicates by query: bug 276849, bug 276502, bug 276306, bug 276062, bug 275797.

Reported using DrKonqi
Comment 1 Dyrver Eriksson 2011-07-09 11:54:06 UTC 
Created attachment 61720 [details]
New crash information added by DrKonqi

nepomukservicestub (0.2) on KDE Platform 4.6.5 (4.6.5) using Qt 4.7.3

- What I was doing when the application crashed:
I was going to log out of X before downloading some xorg-packages and nepomuk experienced a crash.

-- Backtrace (Reduced):
#8  0xb75ad1be in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
[...]
#13 0xb75db44a in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#14 0xb75ac1fd in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#15 0xb75ac441 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#16 0xb74afabb in QThread::exec() () from /usr/lib/libQtCore.so.4
Comment 2 Sebastian Trueg 2011-09-19 11:35:55 UTC 

*** This bug has been marked as a duplicate of bug 281448 ***