[Bug 274896] New: Kontact crash after hogging one core

Adrian Cozma adrian.ioan.cozma at gmail.com
Sat Jun 4 10:39:14 BST 2011 

https://bugs.kde.org/show_bug.cgi?id=274896

           Summary: Kontact crash after hogging one core
           Product: kontact
           Version: 4.4.10
          Platform: Ubuntu Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: kdepim-bugs at kde.org
        ReportedBy: adrian.ioan.cozma at gmail.com


Application: kontact (4.4.10)
KDE Platform Version: 4.6.3 (4.6.3)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-8-generic x86_64
Distribution: Ubuntu 11.04

-- Information about the crash:
- What I was doing when the application crashed: I was just opening Kontact and
waiting for it to fetch the e-mails from the servers.

- Unusual behavior I noticed: Kontact hogged one of the CPU cores

- this is the first time the crash happens; but several attempts to restart
(both the app and the OS) because of the unusual high CPU activity of Kontact,
but they yielded the same result; I have even cleaned the temp files with
BleachBit but it didn't help

Thanks.

-- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f50488757a0 (LWP 4047))]

Thread 3 (Thread 0x7f5025937700 (LWP 4049)):
#0  0x00007f5045cd4f03 in __poll (fds=<value optimized out>, nfds=<value
optimized out>, timeout=<value optimized out>) at
../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f503f700104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f503f7009f2 in g_main_loop_run () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5026a4ec44 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f503f7273e4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f503fbcbd8c in start_thread (arg=0x7f5025937700) at
pthread_create.c:304
#6  0x00007f5045ce204d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f5026138700 (LWP 4084)):
#0  0x00007f503fbce39c in __pthread_mutex_lock (mutex=0x1e1f848) at
pthread_mutex_lock.c:50
#1  0x00007f503f700624 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f504641c446 in QEventDispatcherGlib::processEvents (this=0x1e1fce0,
flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#3  0x00007f50463f0882 in QEventLoop::processEvents (this=<value optimized
out>, flags=...) at kernel/qeventloop.cpp:149
#4  0x00007f50463f0abc in QEventLoop::exec (this=0x7f5026137db0, flags=...) at
kernel/qeventloop.cpp:201
#5  0x00007f5046307924 in QThread::exec (this=<value optimized out>) at
thread/qthread.cpp:492
#6  0x00007f50463d2c2f in QInotifyFileSystemWatcherEngine::run (this=0x1e1eba0)
at io/qfilesystemwatcher_inotify.cpp:248
#7  0x00007f504630a175 in QThreadPrivate::start (arg=0x1e1eba0) at
thread/qthread_unix.cpp:320
#8  0x00007f503fbcbd8c in start_thread (arg=0x7f5026138700) at
pthread_create.c:304
#9  0x00007f5045ce204d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f50488757a0 (LWP 4047)):
[KCrash Handler]
#6  0x00007f501ca318ad in begin (this=0x46ecc30) at ./multiagendaview.moc:113
#7  begin (this=0x46ecc30) at /usr/include/qt4/QtCore/qlist.h:254
#8  first (this=0x46ecc30) at /usr/include/qt4/QtCore/qlist.h:269
#9  KOrg::MultiAgendaView::resizeSplitters (this=0x46ecc30) at
../../korganizer/views/multiagendaview/multiagendaview.cpp:428
#10 0x00007f501ca3214c in KOrg::MultiAgendaView::qt_metacall (this=0x46ecc30,
_c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x28cde20) at
./multiagendaview.moc:104
#11 0x00007f504640549a in QObject::event (this=0x46ecc30, e=<value optimized
out>) at kernel/qobject.cpp:1226
#12 0x00007f5046e0166d in QWidget::event (this=0x46ecc30, event=0x48caa20) at
kernel/qwidget.cpp:8718
#13 0x00007f5046db09e4 in QApplicationPrivate::notify_helper (this=0x1d3d370,
receiver=0x46ecc30, e=0x48caa20) at kernel/qapplication.cpp:4462
#14 0x00007f5046db53aa in QApplication::notify (this=<value optimized out>,
receiver=0x46ecc30, e=0x48caa20) at kernel/qapplication.cpp:4341
#15 0x00007f5047ad0196 in KApplication::notify (this=0x7fffb7cb2ec0,
receiver=0x46ecc30, event=0x48caa20) at ../../kdeui/kernel/kapplication.cpp:311
#16 0x00007f50463f149c in QCoreApplication::notifyInternal
(this=0x7fffb7cb2ec0, receiver=0x46ecc30, event=0x48caa20) at
kernel/qcoreapplication.cpp:731
#17 0x00007f50463f4c25 in sendEvent (receiver=0x0, event_type=0,
data=0x1ccfb90) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#18 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0,
data=0x1ccfb90) at kernel/qcoreapplication.cpp:1372
#19 0x00007f504641c253 in sendPostedEvents (s=0x1d31ec0) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#20 postEventSourceDispatch (s=0x1d31ec0) at
kernel/qeventdispatcher_glib.cpp:277
#21 0x00007f503f6ffbcd in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f503f7003a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f503f700639 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f504641c3ef in QEventDispatcherGlib::processEvents (this=0x1ccf370,
flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#25 0x00007f5046e57dfe in QGuiEventDispatcherGlib::processEvents (this=<value
optimized out>, flags=<value optimized out>) at
kernel/qguieventdispatcher_glib.cpp:204
#26 0x00007f50463f0882 in QEventLoop::processEvents (this=<value optimized
out>, flags=...) at kernel/qeventloop.cpp:149
#27 0x00007f50463f0abc in QEventLoop::exec (this=0x7fffb7cb2e50, flags=...) at
kernel/qeventloop.cpp:201
#28 0x00007f50463f4ecb in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1008
#29 0x0000000000403f70 in main (argc=1, argv=<value optimized out>) at
../../../kontact/src/main.cpp:226

Reported using DrKonqi

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