303247 2012-07-09 17:25:59 +0000 Crash after installed a new decoration 2012-07-22 09:35:18 +0000 1 1 4 Plasma kwin decorations git master Compiled Sources Linux RESOLVED FIXED regression NOR crash 4.9.0 1 afiestas kwin-bugs-null http://commits.kde.org/kde-workspace/b61024cc848d4e3d623408ed0b02c3500922fecc 0 oldest_to_newest 1274457 0 afiestas 2012-07-09 17:25:59 +0000 Application: systemsettings (1.0) KDE Platform Version: 4.8.4 (4.8.4) (Compiled from sources) Qt Version: 4.8.2 Operating System: Linux 3.4.4-3-ARCH x86_64 -- Information about the crash: Just after I installed a new decoration (Air-something) systemsettings crashed. The crash can be reproduced some of the time. -- Backtrace: Application: System Settings (systemsettings), signal: Aborted Using host libthread_db library "/lib/libthread_db.so.1". [Current thread is 1 (Thread 0x7f5c7ae6b780 (LWP 3712))] Thread 3 (Thread 0x7f5c5c3f0700 (LWP 3731)): #0 0x00007f5c77405954 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #1 0x00007f5c74740aa7 in ?? () from /lib/libQtScript.so.4 #2 0x00007f5c74740ad9 in ?? () from /lib/libQtScript.so.4 #3 0x00007f5c77401e0f in start_thread () from /lib/libpthread.so.0 #4 0x00007f5c7692704d in clone () from /lib/libc.so.6 Thread 2 (Thread 0x7f5c5ac61700 (LWP 3732)): #0 0x00007f5c76920c63 in select () from /lib/libc.so.6 #1 0x00007f5c7776b7e2 in ?? () from /lib/libQtCore.so.4 #2 0x00007f5c7769167b in ?? () from /lib/libQtCore.so.4 #3 0x00007f5c77401e0f in start_thread () from /lib/libpthread.so.0 #4 0x00007f5c7692704d in clone () from /lib/libc.so.6 Thread 1 (Thread 0x7f5c7ae6b780 (LWP 3712)): [KCrash Handler] #6 0x00007f5c76877fa5 in raise () from /lib/libc.so.6 #7 0x00007f5c76879428 in abort () from /lib/libc.so.6 #8 0x00007f5c76871002 in __assert_fail_base () from /lib/libc.so.6 #9 0x00007f5c768710b2 in __assert_fail () from /lib/libc.so.6 #10 0x00007f5c5c4039ea in KDecorationFactory::~KDecorationFactory (this=0x13be880, __in_chrg=<optimized out>) at /home/afiestas/cod3s/cpp/kde/source/kde-workspace/kwin/libkdecorations/kdecorationfactory.cpp:46 #11 0x00007f5c5ae7db96 in KWinPlastik::PlastikHandler::~PlastikHandler (this=0x13be870, __in_chrg=<optimized out>) at /home/afiestas/cod3s/cpp/kde/source/kde-workspace/kwin/clients/plastik/plastik.cpp:51 #12 0x00007f5c5ae7dbc9 in KWinPlastik::PlastikHandler::~PlastikHandler (this=0x13be870, __in_chrg=<optimized out>) at /home/afiestas/cod3s/cpp/kde/source/kde-workspace/kwin/clients/plastik/plastik.cpp:60 #13 0x00007f5c5c40266a in KDecorationPlugins::destroyPreviousPlugin (this=0x12a6420) at /home/afiestas/cod3s/cpp/kde/source/kde-workspace/kwin/libkdecorations/kdecoration_plugins_p.cpp:231 #14 0x00007f5c5c639d00 in KWin::DecorationModel::findDecorations (this=0x12dc740) at /home/afiestas/cod3s/cpp/kde/source/kde-workspace/kwin/kcmkwin/kwindecoration/decorationmodel.cpp:98 #15 0x00007f5c5c62a7ce in KWin::KWinDecorationModule::slotGHNSClicked (this=0x126cca0) at /home/afiestas/cod3s/cpp/kde/source/kde-workspace/kwin/kcmkwin/kwindecoration/kwindecoration.cpp:309 #16 0x00007f5c777a1f3f in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /lib/libQtCore.so.4 #17 0x00007f5c78a6b2d2 in QAbstractButton::clicked(bool) () from /lib/libQtGui.so.4 #18 0x00007f5c787bf23e in ?? () from /lib/libQtGui.so.4 #19 0x00007f5c787bfa70 in ?? () from /lib/libQtGui.so.4 #20 0x00007f5c787bfcdc in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () from /lib/libQtGui.so.4 #21 0x00007f5c78455690 in QWidget::event(QEvent*) () from /lib/libQtGui.so.4 #22 0x00007f5c78405f7c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/libQtGui.so.4 #23 0x00007f5c7840ac5b in QApplication::notify(QObject*, QEvent*) () from /lib/libQtGui.so.4 #24 0x00007f5c7937a59e in KApplication::notify (this=0x7fff16e25800, receiver=0x1270210, event=0x7fff16e24b90) at /home/afiestas/cod3s/cpp/kde/source/kdelibs/kdeui/kernel/kapplication.cpp:311 #25 0x00007f5c7778ca5e in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /lib/libQtCore.so.4 #26 0x00007f5c78406dbb in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /lib/libQtGui.so.4 #27 0x00007f5c78481804 in ?? () from /lib/libQtGui.so.4 #28 0x00007f5c78480591 in QApplication::x11ProcessEvent(_XEvent*) () from /lib/libQtGui.so.4 #29 0x00007f5c784a6682 in ?? () from /lib/libQtGui.so.4 #30 0x00007f5c6e1334a5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0 #31 0x00007f5c6e1337d8 in ?? () from /lib/libglib-2.0.so.0 #32 0x00007f5c6e133894 in g_main_context_iteration () from /lib/libglib-2.0.so.0 #33 0x00007f5c777bac56 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQtCore.so.4 #34 0x00007f5c784a62fe in ?? () from /lib/libQtGui.so.4 #35 0x00007f5c7778b7af in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQtCore.so.4 #36 0x00007f5c7778ba38 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQtCore.so.4 #37 0x00007f5c777906d8 in QCoreApplication::exec() () from /lib/libQtCore.so.4 #38 0x000000000040ad97 in main (argc=5, argv=0x7fff16e25948) at /home/afiestas/cod3s/cpp/kde/source/kde-workspace/systemsettings/app/main.cpp:49 Reported using DrKonqi 1274463 1 afiestas 2012-07-09 17:42:08 +0000 I can reproduce this all the time. 1274464 2 afiestas 2012-07-09 17:42:58 +0000 Last commit: d5cd7945a50492aa0f10223d09b0a1cf84a15094 1274477 3 mgraesslin 2012-07-09 18:36:37 +0000 Steps to reproduce: 1. Click GHNS button 2. install a decoration 3. close dialog -> Crash 1274479 4 thomas.luebking 2012-07-09 18:39:16 +0000 ....or on the unix dispather resize the window. i'm currently looking into it but guess the index gets invalidated during the traversion across the eventloop. Ideally we'd stop/restart that across the whatever happens there. 1274488 5 thomas.luebking 2012-07-09 19:17:36 +0000 nope, purely b3137a7f61cfa4e39997e5acbc5abe98ae0384d4 issue 1274513 6 thomas.luebking 2012-07-09 20:48:51 +0000 https://git.reviewboard.kde.org/r/105499/ 1278035 7 thomas.luebking 2012-07-22 09:17:08 +0000 Git commit fd272b06954029b554197be1d10e252b01f56502 by Thomas Lübking. Committed on 09/07/2012 at 22:42. Pushed by luebking into branch 'master'. introduce KDecorationPlugins::canLoad() so we don't mess up our plugins on reload also invoke it by loadPlugin() and fix some KLibrary memleaks REVIEW: 105499 M +7 -6 kwin/kcmkwin/kwindecoration/decorationmodel.cpp M +95 -58 kwin/libkdecorations/kdecoration_plugins_p.cpp M +4 -1 kwin/libkdecorations/kdecoration_plugins_p.h http://commits.kde.org/kde-workspace/fd272b06954029b554197be1d10e252b01f56502 1278041 8 thomas.luebking 2012-07-22 09:35:18 +0000 Git commit b61024cc848d4e3d623408ed0b02c3500922fecc by Thomas Lübking. Committed on 09/07/2012 at 22:42. Pushed by luebking into branch 'KDE/4.9'. introduce KDecorationPlugins::canLoad() so we don't mess up our plugins on reload also invoke it by loadPlugin() and fix some KLibrary memleaks REVIEW: 105499 (cherry picked from commit fd272b06954029b554197be1d10e252b01f56502) M +7 -6 kwin/kcmkwin/kwindecoration/decorationmodel.cpp M +95 -58 kwin/libkdecorations/kdecoration_plugins_p.cpp M +4 -1 kwin/libkdecorations/kdecoration_plugins_p.h http://commits.kde.org/kde-workspace/b61024cc848d4e3d623408ed0b02c3500922fecc