Bug 267019

Summary:	Nepomuk crashed on logout
Product:	[Unmaintained] nepomuk	Reporter:	Diego <diego.ml>
Component:	general	Assignee:	Sebastian Trueg <sebastian>
Status:	RESOLVED DUPLICATE
Severity:	crash	CC:	lara.kuzmina, me, n.schnelle, trueg
Priority:	NOR
Version:	unspecified
Target Milestone:	---
Platform:	Fedora RPMs
OS:	Linux
Latest Commit:		Version Fixed In:
Sentry Crash Report:
Attachments:	New crash information added by DrKonqi New crash information added by DrKonqi

Description Diego 2011-02-23 23:26:58 UTC

Application: nepomukservicestub (0.2)
KDE Platform Version: 4.5.5 (KDE 4.5.5)
Qt Version: 4.7.1
Operating System: Linux 2.6.35.11-83.fc14.x86_64 x86_64
Distribution: "Fedora release 14 (Laughlin)"

-- Information about the crash:
- What I was doing when the application crashed:

browser for a while with rekonq, then clicked to poweroff -> crash

The crash can be reproduced some of the time.

-- Backtrace:
Application: Programma stub per servizio di 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
162	62:	movl	(%rsp), %edi
[Current thread is 1 (Thread 0x7f82ae38d840 (LWP 2235))]

Thread 6 (Thread 0x7f8299ffb700 (LWP 2501)):
[KCrash Handler]
#6  0x0000000000000000 in ?? ()
#7  0x0000003b05f5b7ac in QCoreApplication::notifyInternal (this=0x7fff866eeef0, receiver=0x7f8288002c90, event=0x7f8299ffaae0) at kernel/qcoreapplication.cpp:732
#8  0x0000003b05f86289 in sendEvent (source=0x7f8288001310) at kernel/qcoreapplication.h:215
#9  socketNotifierSourceDispatch (source=0x7f8288001310) at kernel/qeventdispatcher_glib.cpp:110
#10 0x0000003afc641e33 in g_main_dispatch (context=0x7f82880009b0) at gmain.c:2149
#11 g_main_context_dispatch (context=0x7f82880009b0) at gmain.c:2702
#12 0x0000003afc642610 in g_main_context_iterate (context=0x7f82880009b0, block=1, dispatch=1, self=<value optimized out>) at gmain.c:2780
#13 0x0000003afc6428ad in g_main_context_iteration (context=0x7f82880009b0, may_block=1) at gmain.c:2843
#14 0x0000003b05f868bf in QEventDispatcherGlib::processEvents (this=0x7f82880008c0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:415
#15 0x0000003b05f5ab42 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#16 0x0000003b05f5ad8c in QEventLoop::exec (this=0x7f8299ffacf0, flags=...) at kernel/qeventloop.cpp:201
#17 0x0000003b05e6fed4 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#18 0x00007f82a291946c in Soprano::Server::ServerConnection::run (this=0x1428200) at /usr/src/debug/soprano-2.5.2/server/serverconnection.cpp:151
#19 0x0000003b05e726ee in QThreadPrivate::start (arg=0x1428200) at thread/qthread_unix.cpp:285
#20 0x0000003afb606ccb in start_thread (arg=0x7f8299ffb700) at pthread_create.c:301
#21 0x0000003afaae0c2d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 5 (Thread 0x7f82997fa700 (LWP 2506)):
#0  0xffffffffff600136 in ?? ()
#1  0x00007f82997f99f0 in ?? ()
#2  0x00007fff867ff7b2 in vgetns (ts=0x7f82997f9a40) at arch/x86/vdso/vclock_gettime.c:42
#3  do_monotonic (ts=0x7f82997f9a40) at arch/x86/vdso/vclock_gettime.c:81
Backtrace stopped: frame did not save the PC

Thread 4 (Thread 0x7f8283fff700 (LWP 2507)):
#0  0x0000003afb608fd0 in __pthread_mutex_lock (mutex=0x7f82780009b8) at pthread_mutex_lock.c:61
#1  0x0000003afc642442 in g_main_context_iterate (context=0x7f82780009b0, block=1, dispatch=1, self=<value optimized out>) at gmain.c:2746
#2  0x0000003afc6428ad in g_main_context_iteration (context=0x7f82780009b0, may_block=1) at gmain.c:2843
#3  0x0000003b05f86916 in QEventDispatcherGlib::processEvents (this=0x7f82780008c0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#4  0x0000003b05f5ab42 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x0000003b05f5ad8c in QEventLoop::exec (this=0x7f8283ffecf0, flags=...) at kernel/qeventloop.cpp:201
#6  0x0000003b05e6fed4 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#7  0x00007f82a291946c in Soprano::Server::ServerConnection::run (this=0x14e27a0) at /usr/src/debug/soprano-2.5.2/server/serverconnection.cpp:151
#8  0x0000003b05e726ee in QThreadPrivate::start (arg=0x14e27a0) at thread/qthread_unix.cpp:285
#9  0x0000003afb606ccb in start_thread (arg=0x7f8283fff700) at pthread_create.c:301
#10 0x0000003afaae0c2d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 3 (Thread 0x7f82837fe700 (LWP 2508)):
#0  0x0000003afaad7283 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x0000003afc642374 in g_main_context_poll (context=0x7f82700009b0, block=1, dispatch=1, self=<value optimized out>) at gmain.c:3093
#2  g_main_context_iterate (context=0x7f82700009b0, block=1, dispatch=1, self=<value optimized out>) at gmain.c:2775
#3  0x0000003afc6428ad in g_main_context_iteration (context=0x7f82700009b0, may_block=1) at gmain.c:2843
#4  0x0000003b05f86916 in QEventDispatcherGlib::processEvents (this=0x7f82700008c0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#5  0x0000003b05f5ab42 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x0000003b05f5ad8c in QEventLoop::exec (this=0x7f82837fdcf0, flags=...) at kernel/qeventloop.cpp:201
#7  0x0000003b05e6fed4 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#8  0x00007f82a291946c in Soprano::Server::ServerConnection::run (this=0x14eb050) at /usr/src/debug/soprano-2.5.2/server/serverconnection.cpp:151
#9  0x0000003b05e726ee in QThreadPrivate::start (arg=0x14eb050) at thread/qthread_unix.cpp:285
#10 0x0000003afb606ccb in start_thread (arg=0x7f82837fe700) at pthread_create.c:301
#11 0x0000003afaae0c2d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 2 (Thread 0x7f8298ff9700 (LWP 2683)):
#0  0xffffffffff600136 in ?? ()
#1  0x00007f8298ff89f0 in ?? ()
#2  0x00007fff867ff7b2 in vgetns (ts=0x7f8298ff8a40) at arch/x86/vdso/vclock_gettime.c:42
#3  do_monotonic (ts=0x7f8298ff8a40) at arch/x86/vdso/vclock_gettime.c:81
Backtrace stopped: frame did not save the PC

Thread 1 (Thread 0x7f82ae38d840 (LWP 2235)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x0000003b05e72ddb in wait (this=<value optimized out>, mutex=0x14e3e60, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x14e3e60, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x0000003b05e71e90 in QThread::wait (this=<value optimized out>, time=18446744073709551615) at thread/qthread_unix.cpp:683
#4  0x00007f82a2918b47 in Soprano::Server::ServerConnection::~ServerConnection (this=0x1428200, __in_chrg=<value optimized out>) at /usr/src/debug/soprano-2.5.2/server/serverconnection.cpp:124
#5  0x00007f82a291ea83 in ~LocalServerConnection (this=<value optimized out>, __in_chrg=<value optimized out>) at /usr/src/debug/soprano-2.5.2/server/localserver.cpp:31
#6  (anonymous namespace)::LocalServerConnection::~LocalServerConnection (this=<value optimized out>, __in_chrg=<value optimized out>) at /usr/src/debug/soprano-2.5.2/server/localserver.cpp:31
#7  0x00007f82a2915a36 in qDeleteAll<QList<Soprano::Server::ServerConnection*>::const_iterator> (this=0x145b850, __in_chrg=<value optimized out>) at /usr/include/QtCore/qalgorithms.h:322
#8  qDeleteAll<QList<Soprano::Server::ServerConnection*> > (this=0x145b850, __in_chrg=<value optimized out>) at /usr/include/QtCore/qalgorithms.h:330
#9  Soprano::Server::ServerCore::~ServerCore (this=0x145b850, __in_chrg=<value optimized out>) at /usr/src/debug/soprano-2.5.2/server/servercore.cpp:76
#10 0x00007f82a2b68da5 in Nepomuk::Core::~Core (this=0x145b850, __in_chrg=<value optimized out>) at /usr/src/debug/kdebase-runtime-4.5.5/nepomuk/services/storage/nepomukcore.cpp:43
#11 0x00007f82a2b68e29 in Nepomuk::Core::~Core (this=0x145b850, __in_chrg=<value optimized out>) at /usr/src/debug/kdebase-runtime-4.5.5/nepomuk/services/storage/nepomukcore.cpp:46
#12 0x0000003b05f6e234 in QObjectPrivate::deleteChildren (this=0x145b250) at kernel/qobject.cpp:1949
#13 0x0000003b05f72d72 in QObject::~QObject (this=0x145aa70, __in_chrg=<value optimized out>) at kernel/qobject.cpp:945
#14 0x00007f82a2b68043 in ~Storage (this=0x145aa70, __in_chrg=<value optimized out>) at /usr/src/debug/kdebase-runtime-4.5.5/nepomuk/services/storage/storage.cpp:50
#15 Nepomuk::Storage::~Storage (this=0x145aa70, __in_chrg=<value optimized out>) at /usr/src/debug/kdebase-runtime-4.5.5/nepomuk/services/storage/storage.cpp:52
#16 0x0000003b05f6e234 in QObjectPrivate::deleteChildren (this=0x1472a10) at kernel/qobject.cpp:1949
#17 0x0000003b05f72d72 in QObject::~QObject (this=0x1472320, __in_chrg=<value optimized out>) at kernel/qobject.cpp:945
#18 0x00000000004043b9 in Nepomuk::ServiceControl::~ServiceControl (this=0x1472320, __in_chrg=<value optimized out>) at /usr/src/debug/kdebase-runtime-4.5.5/nepomuk/servicestub/servicecontrol.cpp:39
#19 0x0000003b05f6e234 in QObjectPrivate::deleteChildren (this=0x136f470) at kernel/qobject.cpp:1949
#20 0x0000003b05f72d72 in QObject::~QObject (this=0x7fff866eeef0, __in_chrg=<value optimized out>) at kernel/qobject.cpp:945
#21 0x0000003b0a1c10f4 in QApplication::~QApplication (this=0x7fff866eeef0, __in_chrg=<value optimized out>) at kernel/qapplication.cpp:1071
#22 0x0000000000403cc4 in main (argc=2, argv=0x7fff866ef348) at /usr/src/debug/kdebase-runtime-4.5.5/nepomuk/servicestub/main.cpp:101

This bug may be a duplicate of or related to bug 248271.

Possible duplicates by query: bug 265492, bug 265444, bug 265137, bug 265011, bug 264529.

Reported using DrKonqi

Comment 1 Nikola Schnelle 2011-03-21 12:05:11 UTC

Created attachment 58209 [details]
New crash information added by DrKonqi

nepomukservicestub (0.2) on KDE Platform 4.6.1 (4.6.1) using Qt 4.7.0

- What I was doing when the application crashed:
Browsing with reconq, listening music in clementine and then I loged out.

-- Backtrace (Reduced):
#8  0xb764eb3b in QCoreApplication::notifyInternal (this=0xbfa78d68, receiver=0x950a7a0, event=0xb1a13024) at kernel/qcoreapplication.cpp:732
#9  0xb767d93a in sendEvent (source=0x950b610) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#10 socketNotifierSourceDispatch (source=0x950b610) at kernel/qeventdispatcher_glib.cpp:110
[...]
#14 0xb767d565 in QEventDispatcherGlib::processEvents (this=0x9655350, flags=...) at kernel/qeventdispatcher_glib.cpp:415
#15 0xb764d609 in QEventLoop::processEvents (this=0xb1a13280, flags=) at kernel/qeventloop.cpp:149

Comment 2 Sebastian Trueg 2011-09-19 11:37:26 UTC


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

Comment 3 lara.kuzmina@gmail.com 2011-12-29 14:21:39 UTC

Created attachment 67223 [details]
New crash information added by DrKonqi

nepomukservicestub (0.2) on KDE Platform 4.7.3 (4.7.3) using Qt 4.7.4

- What I was doing when the application crashed:
close google chrome and dolphin (no another window was open) and go to restart my pc - get segfault of nepomuk

-- Backtrace (Reduced):
#8  0x00b0019e in QCoreApplication::notifyInternal (this=0xbfa68c54, receiver=0x91bb160, event=0xb66070e4) at kernel/qcoreapplication.cpp:787
#9  0x00b2e1d8 in sendEvent (event=0xb66070e4, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#10 socketNotifierSourceDispatch (source=0x92d4df0) at kernel/qeventdispatcher_glib.cpp:110
[...]
#14 0x00b2eada in QEventDispatcherGlib::processEvents (this=0x928fa90, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#15 0x00aff1dd in QEventLoop::processEvents (this=0xb66072e0, flags=...) at kernel/qeventloop.cpp:149