Bug 254724

Application: kpat (3.3)
KDE Platform Version: 4.4.2 (KDE 4.4.2)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-25-generic i686
Distribution: Ubuntu 10.04.1 LTS

-- Information about the crash:
Kpat - Spider crash randomly.

Hope you can help us.

The crash can be reproduced some of the time.

 -- Backtrace:
Application: KPatience (kpat), signal: Segmentation fault
[Current thread is 1 (Thread 0xb76e6720 (LWP 1311))]

Thread 3 (Thread 0xb4509b70 (LWP 1312)):
#0  0x00e30422 in __kernel_vsyscall ()
#1  0x04c6cd33 in ?? () from /lib/tls/i686/cmov/libc.so.6
#2  0x04c03697 in ?? () from /lib/tls/i686/cmov/libc.so.6
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 2 (Thread 0xb217db70 (LWP 2451)):
[KCrash Handler]
#6  0x04bfe889 in ?? () from /lib/tls/i686/cmov/libc.so.6
#7  0x04c01ecd in free () from /lib/tls/i686/cmov/libc.so.6
#8  0x080816e8 in free_array<quint8> (this=0x9a5f3f8) at /build/buildd/kdegames-4.4.2/kpat/patsolve/memory.h:80
#9  Solver::free_buckets (this=0x9a5f3f8) at /build/buildd/kdegames-4.4.2/kpat/patsolve/patsolve.cpp:614
#10 0x08081732 in Solver::free (this=0x9a5f3f8) at /build/buildd/kdegames-4.4.2/kpat/patsolve/patsolve.cpp:936
#11 0x08082824 in Solver::patsolve (this=0x9a5f3f8, _max_positions=-1) at /build/buildd/kdegames-4.4.2/kpat/patsolve/patsolve.cpp:963
#12 0x080638f4 in SolverThread::run (this=0x9c6a218) at /build/buildd/kdegames-4.4.2/kpat/dealer.cpp:158
#13 0x066dd32e in QThreadPrivate::start (arg=0x9c6a218) at thread/qthread_unix.cpp:248
#14 0x002da96e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#15 0x04c5fa4e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb76e6720 (LWP 1311)):
#0  0x00e30422 in __kernel_vsyscall ()
#1  0x002df015 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x066de287 in QWaitConditionPrivate::wait (this=0x9dd84d4, mutex=0x9dd84c0, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#3  QWaitCondition::wait (this=0x9dd84d4, mutex=0x9dd84c0, time=4294967295) at thread/qwaitcondition_unix.cpp:159
#4  0x066dd3c9 in QThread::wait (this=0x9c6a218, time=4294967295) at thread/qthread_unix.cpp:619
#5  0x08067355 in SolverThread::finish (this=0x9a1ba80) at /build/buildd/kdegames-4.4.2/kpat/dealer.cpp:145
#6  DealerScene::finishSolver (this=0x9a1ba80) at /build/buildd/kdegames-4.4.2/kpat/dealer.cpp:1428
#7  0x080673af in DealerScene::isGameLost (this=0x9a1ba80) at /build/buildd/kdegames-4.4.2/kpat/dealer.cpp:1438
#8  0x0806ad2b in DealerScene::takeState (this=0x9a1ba80) at /build/buildd/kdegames-4.4.2/kpat/dealer.cpp:254
#9  0x0806d02d in DealerScene::qt_metacall (this=0x9a1ba80, _c=QMetaObject::InvokeMetaMethod, _id=-512, _a=0xbfcc54ec) at /build/buildd/kdegames-4.4.2/obj-i486-linux-gnu/kpat/dealer.moc:130
#10 0x0809d00f in Spider::qt_metacall (this=0x9a1ba80, _c=QMetaObject::InvokeMetaMethod, _id=40, _a=0xbfcc54ec) at /build/buildd/kdegames-4.4.2/obj-i486-linux-gnu/kpat/spider.moc:72
#11 0x067e4c9a in QMetaObject::metacall (object=0x9a1ba80, cl=128, idx=40, argv=0xbfcc54ec) at kernel/qmetaobject.cpp:237
#12 0x067f33d5 in QMetaObject::activate (sender=0x9a29860, m=0x68f35a4, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3293
#13 0x06844aa7 in QTimer::timeout (this=0x9a29860) at .moc/release-shared/moc_qtimer.cpp:134
#14 0x067fb60e in QTimer::timerEvent (this=0x9a29860, e=0xbfcc5a20) at kernel/qtimer.cpp:271
#15 0x067f0254 in QObject::event (this=0x9a29860, e=0x20b) at kernel/qobject.cpp:1212
#16 0x010c14dc in QApplicationPrivate::notify_helper (this=0x988bb18, receiver=0x9a29860, e=0xbfcc5a20) at kernel/qapplication.cpp:4300
#17 0x010c805e in QApplication::notify (this=0xbfcc5e04, receiver=0x9a29860, e=0xbfcc5a20) at kernel/qapplication.cpp:3704
#18 0x004def2a in KApplication::notify (this=0xbfcc5e04, receiver=0x9a29860, event=0xbfcc5a20) at ../../kdeui/kernel/kapplication.cpp:302
#19 0x067dfa3b in QCoreApplication::notifyInternal (this=0xbfcc5e04, receiver=0x9a29860, event=0xbfcc5a20) at kernel/qcoreapplication.cpp:704
#20 0x0680ed66 in QCoreApplication::sendEvent (this=0x988c4cc) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#21 QTimerInfoList::activateTimers (this=0x988c4cc) at kernel/qeventdispatcher_unix.cpp:603
#22 0x0680b8e4 in timerSourceDispatch (source=0x988c498) at kernel/qeventdispatcher_glib.cpp:184
#23 0x01a435e5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#24 0x01a472d8 in ?? () from /lib/libglib-2.0.so.0
#25 0x01a474b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#26 0x0680b5d5 in QEventDispatcherGlib::processEvents (this=0x9861b70, flags=...) at kernel/qeventdispatcher_glib.cpp:412
#27 0x01181135 in QGuiEventDispatcherGlib::processEvents (this=0x9861b70, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#28 0x067de059 in QEventLoop::processEvents (this=0xbfcc5ce4, flags=) at kernel/qeventloop.cpp:149
#29 0x067de4aa in QEventLoop::exec (this=0xbfcc5ce4, flags=...) at kernel/qeventloop.cpp:201
#30 0x067e269f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#31 0x010c1577 in QApplication::exec () at kernel/qapplication.cpp:3579
#32 0x0805a9ed in main (argc=3, argv=0xbfcc6124) at /build/buildd/kdegames-4.4.2/kpat/main.cpp:314

Reported using DrKonqi