[Bug 304610] New: kwin crashed again

harshit harshi.hustle1990 at gmail.com
Sun Aug 5 13:14:31 BST 2012 

https://bugs.kde.org/show_bug.cgi?id=304610

            Bug ID: 304610
          Severity: crash
           Version: 1.0
          Priority: NOR
          Assignee: unassigned-bugs at kde.org
           Summary: kwin crashed again
    Classification: Unclassified
                OS: Linux
          Reporter: harshi.hustle1990 at gmail.com
          Hardware: Ubuntu Packages
            Status: UNCONFIRMED
         Component: general
           Product: systemsettings

Application: systemsettings (1.0)
KDE Platform Version: 4.9.00
Qt Version: 4.8.1
Operating System: Linux 3.2.0-27-generic x86_64
Distribution: Ubuntu 12.04 LTS

-- Information about the crash:
after installing kwin-style-crystal the workspace appearance tab crashed
everytime

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f956e9de7c0 (LWP 12975))]

Thread 3 (Thread 0x7f9552f0a700 (LWP 12976)):
#0  0x00007f956b984b03 in __GI___poll (fds=<optimized out>, nfds=<optimized
out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f95650d8036 in g_main_context_poll (n_fds=1, fds=0x7f954c002c00,
timeout=-1, context=0x7f954c0009a0, priority=<optimized out>) at
/build/buildd/glib2.0-2.32.3/./glib/gmain.c:3440
#2  g_main_context_iterate (dispatch=1, block=<optimized out>,
context=0x7f954c0009a0, self=<optimized out>) at
/build/buildd/glib2.0-2.32.3/./glib/gmain.c:3141
#3  g_main_context_iterate (context=0x7f954c0009a0, block=<optimized out>,
dispatch=1, self=<optimized out>) at
/build/buildd/glib2.0-2.32.3/./glib/gmain.c:3083
#4  0x00007f95650d8164 in g_main_context_iteration (context=0x7f954c0009a0,
may_block=1) at /build/buildd/glib2.0-2.32.3/./glib/gmain.c:3207
#5  0x00007f956c105426 in QEventDispatcherGlib::processEvents
(this=0x7f954c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f956c0d4c82 in QEventLoop::processEvents (this=<optimized out>,
flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f956c0d4ed7 in QEventLoop::exec (this=0x7f9552f09d90, flags=...) at
kernel/qeventloop.cpp:204
#8  0x00007f956bfd3fa7 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:501
#9  0x00007f956c0b49ff in QInotifyFileSystemWatcherEngine::run (this=0xffe7c0)
at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007f956bfd6fcb in QThreadPrivate::start (arg=0xffe7c0) at
thread/qthread_unix.cpp:298
#11 0x00007f95655a4e9a in start_thread (arg=0x7f9552f0a700) at
pthread_create.c:308
#12 0x00007f956b9904bd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f95522b0700 (LWP 12977)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f95697ca222 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f95697ca259 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f95655a4e9a in start_thread (arg=0x7f95522b0700) at
pthread_create.c:308
#4  0x00007f956b9904bd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f956e9de7c0 (LWP 12975)):
[KCrash Handler]
#6  0x00007f9550e5f300 in KDecorationOptions::showTooltips() const () from
/usr/lib/libkdecorations.so.4
#7  0x00007f9550e5f3a7 in KDecoration::createMainWidget(QFlags<Qt::WindowType>)
() from /usr/lib/libkdecorations.so.4
#8  0x00007f9550c47a1a in ?? () from /usr/lib/kde4/kwin3_deKorator.so
#9  0x00007f95524f1232 in KDecorationPreview::recreateDecoration
(this=0x1172e30, plugins=0x1172d90) at
../../../../kwin/kcmkwin/kwindecoration/preview.cpp:77
#10 0x00007f95524f343d in KWin::DecorationModel::regeneratePreview
(this=0x1172c60, index=..., size=...) at
../../../../kwin/kcmkwin/kwindecoration/decorationmodel.cpp:332
#11 0x00007f95524f3835 in KWin::DecorationModel::regenerateNextPreview
(this=0x1172c60) at
../../../../kwin/kcmkwin/kwindecoration/decorationmodel.cpp:279
#12 0x00007f956c0ef446 in QObject::event (this=0x1172c60, e=<optimized out>) at
kernel/qobject.cpp:1195
#13 0x00007f956cd4c894 in notify_helper (e=0x14c6190, receiver=0x1172c60,
this=0xa15d60) at kernel/qapplication.cpp:4559
#14 QApplicationPrivate::notify_helper (this=0xa15d60, receiver=0x1172c60,
e=0x14c6190) at kernel/qapplication.cpp:4531
#15 0x00007f956cd51713 in QApplication::notify (this=0x7fffb56acc90,
receiver=0x1172c60, e=0x14c6190) at kernel/qapplication.cpp:4420
#16 0x00007f956da86456 in KApplication::notify (this=0x7fffb56acc90,
receiver=0x1172c60, event=0x14c6190) at ../../kdeui/kernel/kapplication.cpp:311
#17 0x00007f956c0d5e9c in QCoreApplication::notifyInternal
(this=0x7fffb56acc90, receiver=0x1172c60, event=0x14c6190) at
kernel/qcoreapplication.cpp:876
#18 0x00007f956c0d9c6a in sendEvent (event=0x14c6190, receiver=0x1172c60) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#19 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0,
data=0x9c51f0) at kernel/qcoreapplication.cpp:1500
#20 0x00007f956c104f93 in sendPostedEvents () at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#21 postEventSourceDispatch (s=<optimized out>) at
kernel/qeventdispatcher_glib.cpp:279
#22 0x00007f95650d7d53 in g_main_dispatch (context=0xa0ae40) at
/build/buildd/glib2.0-2.32.3/./glib/gmain.c:2539
#23 g_main_context_dispatch (context=0xa0ae40) at
/build/buildd/glib2.0-2.32.3/./glib/gmain.c:3075
#24 0x00007f95650d80a0 in g_main_context_iterate (dispatch=1, block=<optimized
out>, context=0xa0ae40, self=<optimized out>) at
/build/buildd/glib2.0-2.32.3/./glib/gmain.c:3146
#25 g_main_context_iterate (context=0xa0ae40, block=<optimized out>,
dispatch=1, self=<optimized out>) at
/build/buildd/glib2.0-2.32.3/./glib/gmain.c:3083
#26 0x00007f95650d8164 in g_main_context_iteration (context=0xa0ae40,
may_block=1) at /build/buildd/glib2.0-2.32.3/./glib/gmain.c:3207
#27 0x00007f956c1053bf in QEventDispatcherGlib::processEvents (this=0x9c6ad0,
flags=...) at kernel/qeventdispatcher_glib.cpp:424
#28 0x00007f956cdf4d5e in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#29 0x00007f956c0d4c82 in QEventLoop::processEvents (this=<optimized out>,
flags=...) at kernel/qeventloop.cpp:149
#30 0x00007f956c0d4ed7 in QEventLoop::exec (this=0x7fffb56acc20, flags=...) at
kernel/qeventloop.cpp:204
#31 0x00007f956c0d9f67 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1148
#32 0x000000000040a9e5 in main (argc=5, argv=0x7fffb56acf58) at
../../../systemsettings/app/main.cpp:49

Possible duplicates by query: bug 304434, bug 302850, bug 302082, bug 301787.

Reported using DrKonqi

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