Bug 285204

Version:           4.7.0 (using KDE 4.7.2) 
OS:                Linux

konqueror crashed when switching pages fast enough.
may be flash has not enough time for initialisation?

Reproducible: Sometimes

Steps to Reproduce:
1. Open http://www.opennet.ru/
2. Open a news in same window by a link, ( say http://www.opennet.ru/opennews/art.shtml?num=32162 )
3. Repeatedly switch the pages by buttons "back" and "forward" not doing a pause between switching.

Actual Results:  
konqueror crashed

Expected Results:  
konqueror still work

Application: konqueror (4.7.2 (4.7.2))
KDE Platform Version: 4.7.2 (4.7.2)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-12-generic-pae i686
Distribution: Ubuntu 11.10

-- Information about the crash:
<Напишите подробно, что вы делали, когда произошла ошибка.>

The crash can be reproduced every time.

-- Backtrace:
Application: Konqueror (konqueror), signal: Segmentation fault
[Current thread is 1 (Thread 0xb4d25710 (LWP 12476))]

Thread 6 (Thread 0xafe93b70 (LWP 12483)):
#0  0xb533d1ff in g_main_context_release () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb533e906 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb533ec2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb67a8b37 in QEventDispatcherGlib::processEvents (this=0x8ed58f8, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0xb67791dd in QEventLoop::processEvents (this=0xafe932b0, flags=...) at kernel/qeventloop.cpp:149
#5  0xb6779421 in QEventLoop::exec (this=0xafe932b0, flags=...) at kernel/qeventloop.cpp:201
#6  0xb667c90b in QThread::exec (this=0x9126a40) at thread/qthread.cpp:498
#7  0xb6759e2d in QInotifyFileSystemWatcherEngine::run (this=0x9126a40) at io/qfilesystemwatcher_inotify.cpp:248
#8  0xb667f7b3 in QThreadPrivate::start (arg=0x9126a40) at thread/qthread_unix.cpp:331
#9  0xb540fd31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#10 0xb761c0ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 5 (Thread 0xab905b70 (LWP 12490)):
#0  0xb77bc424 in __kernel_vsyscall ()
#1  0xb5413a5c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb7629cfc in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xacb62883 in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#4  0xacb6299f in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#5  0xb540fd31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#6  0xb761c0ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 4 (Thread 0xaafe4b70 (LWP 12491)):
#0  0xb53f7d10 in clock_gettime () from /lib/i386-linux-gnu/librt.so.1
#1  0xb66d67d5 in do_gettime (frac=0xaafe40b0, sec=0xaafe40a8) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0xb67a94b6 in QTimerInfoList::updateCurrentTime (this=0xa84deec) at kernel/qeventdispatcher_unix.cpp:339
#4  0xb67a9086 in timerSourceCheckHelper (src=0xa84deb8) at kernel/qeventdispatcher_glib.cpp:150
#5  timerSourceCheckHelper (src=0xa84deb8) at kernel/qeventdispatcher_glib.cpp:144
#6  0xb533df24 in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#7  0xb533e8f0 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0xb533ec2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0xb67a8b37 in QEventDispatcherGlib::processEvents (this=0xa84a9c0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#10 0xb67791dd in QEventLoop::processEvents (this=0xaafe42e0, flags=...) at kernel/qeventloop.cpp:149
#11 0xb6779421 in QEventLoop::exec (this=0xaafe42e0, flags=...) at kernel/qeventloop.cpp:201
#12 0xb667c90b in QThread::exec (this=0xa82d948) at thread/qthread.cpp:498
#13 0xb667c9fb in QThread::run (this=0xa82d948) at thread/qthread.cpp:565
#14 0xb667f7b3 in QThreadPrivate::start (arg=0xa82d948) at thread/qthread_unix.cpp:331
#15 0xb540fd31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#16 0xb761c0ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 3 (Thread 0xaa76bb70 (LWP 12533)):
#0  0xb77bc424 in __kernel_vsyscall ()
#1  0xb5413a5c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb7629cfc in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xae60f92f in ?? () from /usr/lib/flashplugin-installer/libflashplayer.so
#4  0xae77c2d5 in ?? () from /usr/lib/flashplugin-installer/libflashplayer.so
#5  0xae60fbec in ?? () from /usr/lib/flashplugin-installer/libflashplayer.so
#6  0xae610106 in ?? () from /usr/lib/flashplugin-installer/libflashplayer.so
#7  0xb540fd31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#8  0xb761c0ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 2 (Thread 0xadbcdb70 (LWP 12534)):
#0  0xb77bc424 in __kernel_vsyscall ()
#1  0xb5413a5c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb7629cfc in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xae60f92f in ?? () from /usr/lib/flashplugin-installer/libflashplayer.so
#4  0xae77c2d5 in ?? () from /usr/lib/flashplugin-installer/libflashplayer.so
#5  0xae60fbec in ?? () from /usr/lib/flashplugin-installer/libflashplayer.so
#6  0xae610106 in ?? () from /usr/lib/flashplugin-installer/libflashplayer.so
#7  0xb540fd31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#8  0xb761c0ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 1 (Thread 0xb4d25710 (LWP 12476)):
[KCrash Handler]
#7  0xb535a9cd in g_slice_alloc () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0xb535afe6 in g_slice_alloc0 () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0xb5182b56 in g_type_create_instance () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
#10 0xb51623cb in ?? () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
#11 0xb5164e79 in g_object_newv () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
#12 0xb5166068 in g_object_new () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
#13 0xae2675eb in gtk_plug_new_for_display () from /usr/lib/i386-linux-gnu/libgtk-x11-2.0.so.0
#14 0xae267644 in gtk_plug_new () from /usr/lib/i386-linux-gnu/libgtk-x11-2.0.so.0
#15 0xae60a968 in ?? () from /usr/lib/flashplugin-installer/libflashplayer.so
#16 0xae600bbb in ?? () from /usr/lib/flashplugin-installer/libflashplayer.so
#17 0xae606f44 in ?? () from /usr/lib/flashplugin-installer/libflashplayer.so
#18 0xac829d00 in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#19 0xac82ae4d in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#20 0xac6d7b9b in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#21 0xac6d7ee9 in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#22 0xac829b7a in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#23 0xac6bcfb0 in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#24 0xac7d30ca in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#25 0xac7d3b55 in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#26 0xac795d4f in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#27 0xac5f6775 in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#28 0xac5f7200 in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#29 0xac4b41e4 in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#30 0xac63fecb in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#31 0xac6433be in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#32 0xac6435a4 in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#33 0xac63c115 in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#34 0xac6c52c2 in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#35 0xac6c533d in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#36 0xac823f9e in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#37 0xb6792994 in QObject::event (this=0xb3011010, e=0xbfaa2b9c) at kernel/qobject.cpp:1181
#38 0xb5c2bd54 in notify_helper (e=0xbfaa2b9c, receiver=0xb3011010, this=0x80dfcc8) at kernel/qapplication.cpp:4486
#39 QApplicationPrivate::notify_helper (this=0x80dfcc8, receiver=0xb3011010, e=0xbfaa2b9c) at kernel/qapplication.cpp:4458
#40 0xb5c31103 in QApplication::notify (this=0xbfaa2b9c, receiver=0xb3011010, e=0xbfaa2b9c) at kernel/qapplication.cpp:3886
#41 0xb6d66681 in KApplication::notify (this=0xbfaa2f8c, receiver=0xb3011010, event=0xbfaa2b9c) at ../../kdeui/kernel/kapplication.cpp:311
#42 0xb677a19e in QCoreApplication::notifyInternal (this=0xbfaa2f8c, receiver=0xb3011010, event=0xbfaa2b9c) at kernel/qcoreapplication.cpp:787
#43 0xb67aac10 in sendEvent (event=0xbfaa2b9c, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#44 QTimerInfoList::activateTimers (this=0x80e307c) at kernel/qeventdispatcher_unix.cpp:603
#45 0xb67a8122 in timerSourceDispatch (source=0x80e3048) at kernel/qeventdispatcher_glib.cpp:184
#46 0xb533e25f in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#47 0xb533e990 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#48 0xb533ec2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#49 0xb67a8ada in QEventDispatcherGlib::processEvents (this=0x80c2248, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#50 0xb5ce3e3a in QGuiEventDispatcherGlib::processEvents (this=0x80c2248, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#51 0xb67791dd in QEventLoop::processEvents (this=0xbfaa2e14, flags=...) at kernel/qeventloop.cpp:149
#52 0xb6779421 in QEventLoop::exec (this=0xbfaa2e14, flags=...) at kernel/qeventloop.cpp:201
#53 0xb677e19d in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#54 0xb5c298f4 in QApplication::exec () at kernel/qapplication.cpp:3760
#55 0xb778bbf5 in kdemain (argc=2, argv=0xbfaa32e4) at ../../../konqueror/src/konqmain.cpp:242
#56 0x0804850b in main (argc=2, argv=0xbfaa32e4) at konqueror_dummy.cpp:3

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