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List:       kde-bugs-dist
Subject:    [Bug 192664] New: segfault in kpixmapcache (triggered from kwin):
From:       Melchior Franz <mfranz () kde ! org>
Date:       2009-05-14 13:22:50
Message-ID: bug-192664-17878 () http ! bugs ! kde ! org/
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https://bugs.kde.org/show_bug.cgi?id=192664

           Summary: segfault in kpixmapcache (triggered from kwin):
                    KPixmapCache::Private::invalidateMmapFiles
           Product: kdelibs
           Version: unspecified
          Platform: Compiled Sources
        OS/Version: Linux
            Status: NEW
          Severity: crash
          Priority: NOR
         Component: kdeui
        AssignedTo: kdelibs-bugs@kde.org
        ReportedBy: mfranz@kde.org


Version:           svn HEAD from yesterday (2009/05/13) (using Devel)
Compiler:          gcc (SUSE Linux) 4.3.2 [gcc-4_3-branch revision 141291] 
OS:                Linux
Installed from:    Compiled sources

After closing okular I noticed that kwin had crashed. I haven't noticed when
exactly, but I'm not aware of having done anything specific with/to kwin.

#0  0xb7b6591e in KPixmapCache::Private::invalidateMmapFiles (this=0x8b90508)
at /home/m/kde4/kdelibs/kdeui/util/kpixmapcache. cpp:441
#1  0xb7b64bc3 in KPixmapCache::recreateCacheFiles (this=0x8ba0ae0) at
/home/m/kde4/kdelibs/kdeui/util/kpixmapcache.cpp:1183
#2  0xb7b65323 in KPixmapCache::Private::checkFileVersion (this=0x8b90508,
filename=@0x8b90518) at /home/m/kde4/kdelibs/kdeui/ util/kpixmapcache.cpp:716
#3  0xb7b6565c in KPixmapCache::Private::init (this=0x8b90508) at
/home/m/kde4/kdelibs/kdeui/util/kpixmapcache.cpp:1038
#4  0xb7b66a9f in KPixmapCache::discard (this=0x8ba0ae0) at
/home/m/kde4/kdelibs/kdeui/util/kpixmapcache.cpp:1269
#5  0xb7accd54 in KIconCache::Private::checkForThemeUpdates (this=0x8b905d0) at
/home/m/kde4/kdelibs/kdeui/icons/kiconcache.cp p:82
#6  0xb7acba9b in KIconCache::find (this=0x8ba0ae0, key=@0xbfc99560,
pix=@0xbfc99504, path=0x0) at /home/m/kde4/kdelibs/kdeui/
icons/kiconcache.cpp:271
#7  0xb7abfe6a in KIconLoader::loadIcon (this=0x8b8c1f0, _name=@0x8b63608,
group=KIconLoader::Desktop, size=16, state=0, overl ays=@0x8b6360c,
path_store=0x0, canReturnNull=false) at
/home/m/kde4/kdelibs/kdeui/icons/kiconloader.cpp:1139
#8  0xb7abb765 in KIconEngine::pixmap (this=0x8b635d0, size=@0xbfc99794,
mode=QIcon::Normal, state=QIcon::Off) at /home/m/kde4
/kdelibs/kdeui/icons/kiconengine.cpp:119
#9  0xb6f389f4 in QIcon::pixmap(QSize const&, QIcon::Mode, QIcon::State) const
() from /usr/local/qt4/lib/libQtGui.so.4
#10 0xb6f277b2 in QWidgetPrivate::setWindowIcon_sys(bool) () from
/usr/local/qt4/lib/libQtGui.so.4
#11 0xb6ef3079 in QWidget::create(unsigned long, bool, bool) () from
/usr/local/qt4/lib/libQtGui.so.4
#12 0xb6eee525 in QWidgetPrivate::createWinId(unsigned long) () from
/usr/local/qt4/lib/libQtGui.so.4
#13 0xb6ef3597 in QWidget::winId() const () from
/usr/local/qt4/lib/libQtGui.so.4
#14 0xb7eec4ca in KWin::Client::updateDecoration (this=0x8d92398,
check_workspace_pos=false, force=false) at /home/m/kde4/kdeb
ase/workspace/kwin/client.cpp:325
#15 0xb7f17a12 in KWin::Client::manage (this=0x8d92398, w=79691801,
isMapped=false) at /home/m/kde4/kdebase/workspace/kwin/man age.cpp:299
#16 0xb7edd83e in KWin::Workspace::createClient (this=0x8b7e9a0, w=79691801,
is_mapped=<value optimized out>) at /home/m/kde4/
kdebase/workspace/kwin/workspace.cpp:525
#17 0xb7f0d424 in KWin::Workspace::workspaceEvent (this=0x8b7e9a0,
e=0xbfc9b1cc) at /home/m/kde4/kdebase/workspace/kwin/events .cpp:376
#18 0xb7ef8513 in KWin::Application::x11EventFilter (this=0xbfc9b50c,
e=0xbfc9b1cc) at /home/m/kde4/kdebase/workspace/kwin/mai n.cpp:361
#19 0xb6efc413 in ?? () from /usr/local/qt4/lib/libQtGui.so.4
#20 0xb6f0df3d in QApplication::x11ProcessEvent(_XEvent*) () from
/usr/local/qt4/lib/libQtGui.so.4
#21 0xb6f36b5d in ?? () from /usr/local/qt4/lib/libQtGui.so.4
#22 0xb4fb69c8 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#23 0xb4fba083 in ?? () from /usr/lib/libglib-2.0.so.0
#24 0xb4fba241 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#25 0xb6c27ce4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/local/qt4/lib/libQtC ore.so.4
#26 0xb6f3632b in ?? () from /usr/local/qt4/lib/libQtGui.so.4
#27 0xb6bfdd00 in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/local/qt4/lib/libQtCore.so.4
#28 0xb6bfe0da in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/local/qt4/lib/libQtCore.so.4
#29 0xb6c00225 in QCoreApplication::exec() () from
/usr/local/qt4/lib/libQtCore.so.4
#30 0xb6ea0833 in QApplication::exec() () from /usr/local/qt4/lib/libQtGui.so.4
#31 0xb7ef997e in kdemain (argc=1, argv=0xbfc9b6f4) at
/home/m/kde4/kdebase/workspace/kwin/main.cpp:525
#32 0x080487f6 in main (argc=Cannot access memory at address 0x21
) at /home/m/kde4/.kdebase/workspace/kwin/kwin_dummy.cpp:3

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