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List:       kwin
Subject:    [Bug 201696] New: KWin seemingly random crash
From:       Stefan Stammberger <sstammberger () web ! de>
Date:       2009-07-27 19:01:42
Message-ID: bug-201696-4790 () http ! bugs ! kde ! org/
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https://bugs.kde.org/show_bug.cgi?id=201696

           Summary: KWin seemingly random crash
           Product: kwin
           Version: unspecified
          Platform: Unlisted Binaries
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: kwin@kde.org
        ReportedBy: sstammberger@web.de


Application that crashed: kwin
Version of the application: 4.2.98 (KDE 4.2.98 (KDE 4.3 RC3))
KDE Version: 4.2.98 (KDE 4.2.98 (KDE 4.3 RC3))
Qt Version: 4.5.0
Operating System: Linux 2.6.28-13-generic x86_64
Distribution: Ubuntu 9.04

 -- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
[KCrash Handler]
#5  0x0000000002a41c00 in ?? ()
#6  0x00007fa29f1007a6 in KWin::SnapHelperEffect::postPaintScreen
(this=0x2688c70) at
/build/buildd/kdebase-workspace-4.2.98/kwin/effects/snaphelper/snaphelper.cpp:95
#7  0x00007fa2b1c903c5 in KWin::EffectsHandlerImpl::postPaintScreen
(this=0x2670850) at /build/buildd/kdebase-workspace-4.2.98/kwin/effects.cpp:133
#8  0x00007fa29f0fa3c6 in KWin::MagnifierEffect::postPaintScreen (this=<value
optimized out>) at
/build/buildd/kdebase-workspace-4.2.98/kwin/effects/magnifier/magnifier.cpp:140
#9  0x00007fa2b1c903c5 in KWin::EffectsHandlerImpl::postPaintScreen
(this=0x2670850) at /build/buildd/kdebase-workspace-4.2.98/kwin/effects.cpp:133
#10 0x00007fa2b1c903c5 in KWin::EffectsHandlerImpl::postPaintScreen
(this=0x2670850) at /build/buildd/kdebase-workspace-4.2.98/kwin/effects.cpp:133
#11 0x00007fa2b1c903c5 in KWin::EffectsHandlerImpl::postPaintScreen
(this=0x2670850) at /build/buildd/kdebase-workspace-4.2.98/kwin/effects.cpp:133
#12 0x00007fa2b1c7bff1 in KWin::Scene::paintScreen (this=0x25dcdf0,
mask=0x7fffba0d891c, region=0x7fffba0d8a20) at
/build/buildd/kdebase-workspace-4.2.98/kwin/scene.cpp:137
#13 0x00007fa2b1c8a92f in KWin::SceneOpenGL::paint (this=0x25dcdf0, damage={d =
0x7fffba0d8a20, static shared_empty = {ref = {_q_value = 454}, rgn = 0x0,
xrectangles = 0x0, qt_rgn = 0x0}}, 
    toplevels=<value optimized out>) at
/build/buildd/kdebase-workspace-4.2.98/kwin/scene_opengl.cpp:746
#14 0x00007fa2b1c772e6 in KWin::Workspace::performCompositing (this=0x2601bd0)
at /build/buildd/kdebase-workspace-4.2.98/kwin/composite.cpp:420
#15 0x00007fa2b1c12e8a in KWin::Workspace::qt_metacall (this=0x2601bd0,
_c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffba0d8bb0)
    at
/build/buildd/kdebase-workspace-4.2.98/obj-x86_64-linux-gnu/kwin/workspace.moc:473
#16 0x00007fa2af2e91f2 in QMetaObject::activate (sender=0x2601ff8,
from_signal_index=<value optimized out>, to_signal_index=4, argv=0x0) at
kernel/qobject.cpp:3069
#17 0x00007fa2af2e34d3 in QObject::event (this=0x2601ff8, e=0x7fa2ac82f528) at
kernel/qobject.cpp:1082
#18 0x00007fa2afa1878d in QApplicationPrivate::notify_helper (this=0x236cf90,
receiver=0x2601ff8, e=0x7fffba0d9260) at kernel/qapplication.cpp:4084
#19 0x00007fa2afa2097a in QApplication::notify (this=0x7fffba0d95d0,
receiver=0x2601ff8, e=0x7fffba0d9260) at kernel/qapplication.cpp:4049
#20 0x00007fa2b0f8571b in KApplication::notify (this=0x7fffba0d95d0,
receiver=0x2601ff8, event=0x7fffba0d9260) at
/build/buildd/kde4libs-4.2.98a/kdeui/kernel/kapplication.cpp:302
#21 0x00007fa2af2d375c in QCoreApplication::notifyInternal
(this=0x7fffba0d95d0, receiver=0x2601ff8, event=0x7fffba0d9260) at
kernel/qcoreapplication.cpp:602
#22 0x00007fa2af3007f6 in QTimerInfoList::activateTimers (this=0x2370c40) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#23 0x00007fa2af2fcf0d in timerSourceDispatch (source=<value optimized out>) at
kernel/qeventdispatcher_glib.cpp:164
#24 0x00007fa2a85cd20a in g_main_context_dispatch () from
/usr/lib/libglib-2.0.so.0
#25 0x00007fa2a85d08e0 in ?? () from /usr/lib/libglib-2.0.so.0
#26 0x00007fa2a85d0a7c in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#27 0x00007fa2af2fce6f in QEventDispatcherGlib::processEvents (this=0x2353f80,
flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:323
#28 0x00007fa2afab0bef in QGuiEventDispatcherGlib::processEvents
(this=0x3201c70, flags=<value optimized out>) at
kernel/qguieventdispatcher_glib.cpp:202
#29 0x00007fa2af2d2002 in QEventLoop::processEvents (this=<value optimized
out>, flags={i = -1173515056}) at kernel/qeventloop.cpp:149
#30 0x00007fa2af2d23cd in QEventLoop::exec (this=0x7fffba0d9510, flags={i =
-1173514976}) at kernel/qeventloop.cpp:200
#31 0x00007fa2af2d4694 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:880
#32 0x00007fa2b1c2b038 in kdemain (argc=3, argv=0x7fffba0d9ab8) at
/build/buildd/kdebase-workspace-4.2.98/kwin/main.cpp:527
#33 0x00007fa2ac7115a6 in __libc_start_main (main=0x4008c0 <main>, argc=3,
ubp_av=0x7fffba0d9ab8, init=0x4008f0 <__libc_csu_init>, fini=<value optimized
out>, rtld_fini=<value optimized out>, 
    stack_end=0x7fffba0d9aa8) at libc-start.c:220
#34 0x00000000004007f9 in _start () at ../sysdeps/x86_64/elf/start.S:113

Reported using DrKonqi

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