Application: kwin (4.5.1 (KDE 4.5.1))
KDE Platform Version: 4.5.1 (KDE 4.5.1)
Qt Version: 4.7.0
Operating System: Linux 2.6.35-22-generic x86_64
Distribution: Ubuntu maverick (development branch)

-- Information about the crash:
Changing the default buttons to custom under windows decorations settings

put buttons on left side. using Window Decoration name "OSX by scnd101".

The crash can be reproduced every time.

-- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f293a549780 (LWP 1697))]

Thread 2 (Thread 0x7f291b6e1710 (LWP 1703)):
#0  0x00007f2939dbc2c3 in select () at ../sysdeps/unix/syscall-template.S:82
#1  0x00007f293669676e in qt_safe_select (nfds=21, fdread=0x27f38f0, fdwrite=0x27f3b88, fdexcept=0x27f3e20, orig_timeout=0x0) at kernel/qcore_unix.cpp:82
#2  0x00007f293669bbeb in QEventDispatcherUNIXPrivate::doSelect (this=0x27f3730, flags=<value optimized out>, timeout=<value optimized out>) at kernel/qeventdispatcher_unix.cpp:219
#3  0x00007f293669c81b in QEventDispatcherUNIX::processEvents (this=0x27ceac0, flags=) at kernel/qeventdispatcher_unix.cpp:919
#4  0x00007f293666ba02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007f293666bdec in QEventLoop::exec (this=0x7f291b6e0d90, flags=) at kernel/qeventloop.cpp:201
#6  0x00007f29365762fd in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#7  0x00007f293664b5f8 in QInotifyFileSystemWatcherEngine::run (this=0x27d07c0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f293657927e in QThreadPrivate::start (arg=0x27d07c0) at thread/qthread_unix.cpp:266
#9  0x00007f29362ee971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#10 0x00007f2939dc392d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f293a549780 (LWP 1697)):
[KCrash Handler]
#6  0x00007f29231304d2 in ?? () from /usr/lib/dri/i965_dri.so
#7  0x00007f2923114e86 in ?? () from /usr/lib/dri/i965_dri.so
#8  0x00007f292310764c in ?? () from /usr/lib/dri/i965_dri.so
#9  0x00007f29231f619f in ?? () from /usr/lib/dri/i965_dri.so
#10 0x00007f29231f1b8c in ?? () from /usr/lib/dri/i965_dri.so
#11 0x00007f29231f3882 in ?? () from /usr/lib/dri/i965_dri.so
#12 0x00007f292314a7be in ?? () from /usr/lib/dri/i965_dri.so
#13 0x00007f29386f5f29 in KWin::PaintClipper::Iterator::~Iterator (this=0x7fff7f5cb9d0, __in_chrg=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:969
#14 0x00007f2938702428 in KWin::renderGLGeometry (region=<value optimized out>, count=4, vertices=<value optimized out>, texture=0x2704990, color=0x0, dim=2, stride=0) at ../../../kwin/lib/kwinglutils.cpp:187
#15 0x00007f293a125198 in KWin::SceneOpenGL::Window::renderQuads (this=<value optimized out>, region=..., quads=...) at ../../kwin/scene_opengl.cpp:1655
#16 0x00007f293a12a1d1 in KWin::SceneOpenGL::Window::performPaint (this=0x266c8f0, mask=33, region=) at ../../kwin/scene_opengl.cpp:1525
#17 0x00007f293a119d03 in KWin::Scene::finalDrawWindow (this=<value optimized out>, w=<value optimized out>, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../kwin/scene.cpp:330
#18 0x00007f293a132789 in KWin::EffectsHandlerImpl::drawWindow (this=<value optimized out>, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:232
#19 0x00007f29386f580c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#20 0x00007f293a132828 in KWin::EffectsHandlerImpl::drawWindow (this=0x26d6310, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:228
#21 0x00007f291d615bc6 in KWin::ShadowEffect::drawWindow (this=<value optimized out>, w=0x2671050, mask=<value optimized out>, region=<value optimized out>, data=...) at ../../../kwin/effects/shadow/shadow.cpp:250
#22 0x00007f293a132828 in KWin::EffectsHandlerImpl::drawWindow (this=0x26d6310, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:228
#23 0x00007f29386f580c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#24 0x00007f293a132828 in KWin::EffectsHandlerImpl::drawWindow (this=0x26d6310, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:228
#25 0x00007f29386f580c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#26 0x00007f293a132828 in KWin::EffectsHandlerImpl::drawWindow (this=0x26d6310, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:228
#27 0x00007f29386f580c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#28 0x00007f293a132828 in KWin::EffectsHandlerImpl::drawWindow (this=0x26d6310, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:228
#29 0x00007f29386f580c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#30 0x00007f293a132828 in KWin::EffectsHandlerImpl::drawWindow (this=0x26d6310, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:228
#31 0x00007f29386f580c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#32 0x00007f293a132828 in KWin::EffectsHandlerImpl::drawWindow (this=0x26d6310, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:228
#33 0x00007f29386f580c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#34 0x00007f293a132828 in KWin::EffectsHandlerImpl::drawWindow (this=0x26d6310, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:228
#35 0x00007f29386f580c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#36 0x00007f293a132828 in KWin::EffectsHandlerImpl::drawWindow (this=0x26d6310, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:228
#37 0x00007f29386f580c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#38 0x00007f293a132828 in KWin::EffectsHandlerImpl::drawWindow (this=0x26d6310, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:228
#39 0x00007f29386f580c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#40 0x00007f293a132828 in KWin::EffectsHandlerImpl::drawWindow (this=0x26d6310, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:228
#41 0x00007f29386f580c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#42 0x00007f293a132828 in KWin::EffectsHandlerImpl::drawWindow (this=0x26d6310, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:228
#43 0x00007f29386f580c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#44 0x00007f293a132828 in KWin::EffectsHandlerImpl::drawWindow (this=0x26d6310, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:228
#45 0x00007f29386f580c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#46 0x00007f293a132828 in KWin::EffectsHandlerImpl::drawWindow (this=0x26d6310, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:228
#47 0x00007f29386f580c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#48 0x00007f293a132828 in KWin::EffectsHandlerImpl::drawWindow (this=0x26d6310, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:228
#49 0x00007f29386f580c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#50 0x00007f293a132828 in KWin::EffectsHandlerImpl::drawWindow (this=0x26d6310, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:228
#51 0x00007f29386f580c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#52 0x00007f293a132828 in KWin::EffectsHandlerImpl::drawWindow (this=0x26d6310, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:228
#53 0x00007f29386f580c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#54 0x00007f293a132828 in KWin::EffectsHandlerImpl::drawWindow (this=0x26d6310, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:228
#55 0x00007f293a1189ac in KWin::Scene::finalPaintWindow (this=<value optimized out>, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../kwin/scene.cpp:321
#56 0x00007f293a1328a9 in KWin::EffectsHandlerImpl::paintWindow (this=<value optimized out>, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:203
#57 0x00007f291d5f52c5 in KWin::LogoutEffect::paintWindow (this=<value optimized out>, w=0x2671050, mask=33, region=) at ../../../kwin/effects/logout/logout.cpp:198
#58 0x00007f293a132948 in KWin::EffectsHandlerImpl::paintWindow (this=0x26d6310, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:199
#59 0x00007f29386f589c in KWin::Effect::paintWindow (this=<value optimized out>, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:242
#60 0x00007f293a132948 in KWin::EffectsHandlerImpl::paintWindow (this=0x26d6310, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:199
#61 0x00007f291d5fb3da in KWin::PresentWindowsEffect::paintWindow (this=<value optimized out>, w=0x2671050, mask=33, region=) at ../../../kwin/effects/presentwindows/presentwindows.cpp:370
#62 0x00007f293a132948 in KWin::EffectsHandlerImpl::paintWindow (this=0x26d6310, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:199
#63 0x00007f291d6209c7 in KWin::TaskbarThumbnailEffect::paintWindow (this=0x22a4eb0, w=0x2671050, mask=33, region=<value optimized out>, data=...) at ../../../kwin/effects/taskbarthumbnail/taskbarthumbnail.cpp:70
#64 0x00007f293a132948 in KWin::EffectsHandlerImpl::paintWindow (this=0x26d6310, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:199
#65 0x00007f291d5f22b4 in KWin::HighlightWindowEffect::paintWindow (this=<value optimized out>, w=0x2671050, mask=33, region=) at ../../../kwin/effects/highlightwindow/highlightwindow.cpp:104
#66 0x00007f293a132948 in KWin::EffectsHandlerImpl::paintWindow (this=0x26d6310, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:199
#67 0x00007f291d5e9add in KWin::DialogParentEffect::paintWindow (this=<value optimized out>, w=0x2671050, mask=33, region=) at ../../../kwin/effects/dialogparent/dialogparent.cpp:70
#68 0x00007f293a132948 in KWin::EffectsHandlerImpl::paintWindow (this=0x26d6310, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:199
#69 0x00007f291d5edb72 in KWin::FadeEffect::paintWindow (this=<value optimized out>, w=0x2671050, mask=<value optimized out>, region=<value optimized out>, data=...) at ../../../kwin/effects/fade/fade.cpp:160
#70 0x00007f293a132948 in KWin::EffectsHandlerImpl::paintWindow (this=0x26d6310, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:199
#71 0x00007f291d620142 in KWin::SlidingPopupsEffect::paintWindow (this=<value optimized out>, w=0x2671050, mask=<value optimized out>, region=<value optimized out>, data=...) at ../../../kwin/effects/slidingpopups/slidingpopups.cpp:127
#72 0x00007f293a132948 in KWin::EffectsHandlerImpl::paintWindow (this=0x26d6310, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:199
#73 0x00007f291d645013 in KWin::FlipSwitchEffect::paintWindow (this=<value optimized out>, w=0x2671050, mask=33, region=) at ../../../kwin/effects/flipswitch/flipswitch.cpp:543
#74 0x00007f293a132948 in KWin::EffectsHandlerImpl::paintWindow (this=0x26d6310, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:199
#75 0x00007f291d5e339a in KWin::DesktopGridEffect::paintWindow (this=<value optimized out>, w=0x2671050, mask=<value optimized out>, region=<value optimized out>, data=...) at ../../../kwin/effects/desktopgrid/desktopgrid.cpp:392
#76 0x00007f293a132948 in KWin::EffectsHandlerImpl::paintWindow (this=0x26d6310, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:199
#77 0x00007f291d61a374 in KWin::SlideEffect::paintWindow (this=<value optimized out>, w=0x2671050, mask=33, region=) at ../../../kwin/effects/slide/slide.cpp:165
#78 0x00007f293a132948 in KWin::EffectsHandlerImpl::paintWindow (this=0x26d6310, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:199
#79 0x00007f291d5d2ee4 in KWin::BoxSwitchEffect::paintWindow (this=<value optimized out>, w=0x2671050, mask=33, region=) at ../../../kwin/effects/boxswitch/boxswitch.cpp:241
#80 0x00007f293a132948 in KWin::EffectsHandlerImpl::paintWindow (this=0x26d6310, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:199
#81 0x00007f291d5f8baf in KWin::TranslucencyEffect::paintWindow (this=<value optimized out>, w=0x2671050, mask=33, region=) at ../../../kwin/effects/translucency/translucency.cpp:180
#82 0x00007f293a132948 in KWin::EffectsHandlerImpl::paintWindow (this=0x26d6310, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:199
#83 0x00007f291d5fa4fd in KWin::MinimizeAnimationEffect::paintWindow (this=<value optimized out>, w=0x2671050, mask=33, region=) at ../../../kwin/effects/minimizeanimation/minimizeanimation.cpp:103
#84 0x00007f293a132948 in KWin::EffectsHandlerImpl::paintWindow (this=0x26d6310, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:199
#85 0x00007f291d628a2d in KWin::CoverSwitchEffect::paintWindow (this=<value optimized out>, w=0x2671050, mask=33, region=) at ../../../kwin/effects/coverswitch/coverswitch.cpp:500
#86 0x00007f293a132948 in KWin::EffectsHandlerImpl::paintWindow (this=0x26d6310, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:199
#87 0x00007f291d659c4f in KWin::WobblyWindowsEffect::paintWindow (this=<value optimized out>, w=0x2671050, mask=<value optimized out>, region=<value optimized out>, data=...) at ../../../kwin/effects/wobblywindows/wobblywindows.cpp:357
#88 0x00007f293a132948 in KWin::EffectsHandlerImpl::paintWindow (this=0x26d6310, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:199
#89 0x00007f291d5f3fa3 in KWin::LoginEffect::paintWindow (this=<value optimized out>, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/effects/login/login.cpp:69
#90 0x00007f293a132948 in KWin::EffectsHandlerImpl::paintWindow (this=0x26d6310, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:199
#91 0x00007f29386f589c in KWin::Effect::paintWindow (this=<value optimized out>, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:242
#92 0x00007f293a132948 in KWin::EffectsHandlerImpl::paintWindow (this=0x26d6310, w=0x2671050, mask=33, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:199
#93 0x00007f293a119f4c in KWin::Scene::paintWindow (this=<value optimized out>, w=0x266c8f0, mask=33, region=) at ../../kwin/scene.cpp:315
#94 0x00007f293a11b4df in KWin::Scene::paintGenericScreen (this=0x29f87f0, orig_mask=<value optimized out>) at ../../kwin/scene.cpp:213
#95 0x00007f293a118a8a in KWin::Scene::finalPaintScreen (this=0x29f87f0, mask=32, region=<value optimized out>, data=...) at ../../kwin/scene.cpp:177
#96 0x00007f293a1329c6 in KWin::EffectsHandlerImpl::paintScreen (this=<value optimized out>, mask=32, region=) at ../../kwin/effects.cpp:172
#97 0x00007f291d5f56ef in KWin::LogoutEffect::paintScreen (this=0x2296030, mask=32, region=<value optimized out>, data=...) at ../../../kwin/effects/logout/logout.cpp:207
#98 0x00007f293a132a5e in KWin::EffectsHandlerImpl::paintScreen (this=0x26d6310, mask=32, region=) at ../../kwin/effects.cpp:168
#99 0x00007f291d61577c in KWin::ShadowEffect::paintScreen (this=0x22a7240, mask=32, region=) at ../../../kwin/effects/shadow/shadow.cpp:189
#100 0x00007f293a132a5e in KWin::EffectsHandlerImpl::paintScreen (this=0x26d6310, mask=32, region=) at ../../kwin/effects.cpp:168
#101 0x00007f291d5fbb32 in KWin::PresentWindowsEffect::paintScreen (this=0x2c29430, mask=32, region=) at ../../../kwin/effects/presentwindows/presentwindows.cpp:196
#102 0x00007f293a132a5e in KWin::EffectsHandlerImpl::paintScreen (this=0x26d6310, mask=32, region=) at ../../kwin/effects.cpp:168
#103 0x00007f29386f591f in KWin::Effect::paintScreen (this=<value optimized out>, mask=32, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227
#104 0x00007f293a132a5e in KWin::EffectsHandlerImpl::paintScreen (this=0x26d6310, mask=32, region=) at ../../kwin/effects.cpp:168
#105 0x00007f29386f591f in KWin::Effect::paintScreen (this=<value optimized out>, mask=32, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227
#106 0x00007f293a132a5e in KWin::EffectsHandlerImpl::paintScreen (this=0x26d6310, mask=32, region=) at ../../kwin/effects.cpp:168
#107 0x00007f29386f591f in KWin::Effect::paintScreen (this=<value optimized out>, mask=32, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227
#108 0x00007f293a132a5e in KWin::EffectsHandlerImpl::paintScreen (this=0x26d6310, mask=32, region=) at ../../kwin/effects.cpp:168
#109 0x00007f29386f591f in KWin::Effect::paintScreen (this=<value optimized out>, mask=32, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227
#110 0x00007f293a132a5e in KWin::EffectsHandlerImpl::paintScreen (this=0x26d6310, mask=32, region=) at ../../kwin/effects.cpp:168
#111 0x00007f29386f591f in KWin::Effect::paintScreen (this=<value optimized out>, mask=32, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227
#112 0x00007f293a132a5e in KWin::EffectsHandlerImpl::paintScreen (this=0x26d6310, mask=32, region=) at ../../kwin/effects.cpp:168
#113 0x00007f291d642e57 in KWin::FlipSwitchEffect::paintScreen (this=0x2654b50, mask=32, region=<value optimized out>, data=...) at ../../../kwin/effects/flipswitch/flipswitch.cpp:146
#114 0x00007f293a132a5e in KWin::EffectsHandlerImpl::paintScreen (this=0x26d6310, mask=32, region=) at ../../kwin/effects.cpp:168
#115 0x00007f291d5defe9 in KWin::DesktopGridEffect::paintScreen (this=<value optimized out>, mask=32, region=<value optimized out>, data=...) at ../../../kwin/effects/desktopgrid/desktopgrid.cpp:155
#116 0x00007f293a132a5e in KWin::EffectsHandlerImpl::paintScreen (this=0x26d6310, mask=32, region=) at ../../kwin/effects.cpp:168
#117 0x00007f291d61aba5 in KWin::SlideEffect::paintScreen (this=<value optimized out>, mask=<value optimized out>, region=<value optimized out>, data=...) at ../../../kwin/effects/slide/slide.cpp:86
#118 0x00007f293a132a5e in KWin::EffectsHandlerImpl::paintScreen (this=0x26d6310, mask=32, region=) at ../../kwin/effects.cpp:168
#119 0x00007f291d5d9b82 in KWin::BoxSwitchEffect::paintScreen (this=0x227eec0, mask=32, region=) at ../../../kwin/effects/boxswitch/boxswitch.cpp:142
#120 0x00007f293a132a5e in KWin::EffectsHandlerImpl::paintScreen (this=0x26d6310, mask=32, region=) at ../../kwin/effects.cpp:168
#121 0x00007f29386f591f in KWin::Effect::paintScreen (this=<value optimized out>, mask=32, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227
#122 0x00007f293a132a5e in KWin::EffectsHandlerImpl::paintScreen (this=0x26d6310, mask=32, region=) at ../../kwin/effects.cpp:168
#123 0x00007f29386f591f in KWin::Effect::paintScreen (this=<value optimized out>, mask=32, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227
#124 0x00007f293a132a5e in KWin::EffectsHandlerImpl::paintScreen (this=0x26d6310, mask=32, region=) at ../../kwin/effects.cpp:168
#125 0x00007f291d62ad54 in KWin::CoverSwitchEffect::paintScreen (this=0x2c2a390, mask=32, region=<value optimized out>, data=...) at ../../../kwin/effects/coverswitch/coverswitch.cpp:124
#126 0x00007f293a132a5e in KWin::EffectsHandlerImpl::paintScreen (this=0x26d6310, mask=32, region=) at ../../kwin/effects.cpp:168
#127 0x00007f29386f591f in KWin::Effect::paintScreen (this=<value optimized out>, mask=32, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227
#128 0x00007f293a132a5e in KWin::EffectsHandlerImpl::paintScreen (this=0x26d6310, mask=32, region=) at ../../kwin/effects.cpp:168
#129 0x00007f29386f591f in KWin::Effect::paintScreen (this=<value optimized out>, mask=32, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227
#130 0x00007f293a132a5e in KWin::EffectsHandlerImpl::paintScreen (this=0x26d6310, mask=32, region=) at ../../kwin/effects.cpp:168
#131 0x00007f291d623fe1 in KWin::ZoomEffect::paintScreen (this=<value optimized out>, mask=32, region=) at ../../../kwin/effects/zoom/zoom.cpp:73
#132 0x00007f293a132a5e in KWin::EffectsHandlerImpl::paintScreen (this=0x26d6310, mask=32, region=) at ../../kwin/effects.cpp:168
#133 0x00007f293a11a175 in KWin::Scene::paintScreen (this=0x29f87f0, mask=0x7fff7f5d03dc, region=0x7fff7f5d0500) at ../../kwin/scene.cpp:137
#134 0x00007f293a12b430 in KWin::SceneOpenGL::paint (this=0x29f87f0, damage=<value optimized out>, toplevels=<value optimized out>) at ../../kwin/scene_opengl.cpp:754
#135 0x00007f293a115287 in KWin::Workspace::performCompositing (this=<value optimized out>) at ../../kwin/composite.cpp:454
#136 0x00007f293a0967dd in KWin::Workspace::qt_metacall (this=0x212e180, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff7f5d06b0) at ./workspace.moc:583
#137 0x00007f2936684b27 in QMetaObject::activate (sender=0x212e648, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x500) at kernel/qobject.cpp:3280
#138 0x00007f293667e8f9 in QObject::event (this=0x212e648, e=0x1) at kernel/qobject.cpp:1183
#139 0x00007f29357b6fdc in QApplicationPrivate::notify_helper (this=0x1ce6cb0, receiver=0x212e648, e=0x7fff7f5d0e00) at kernel/qapplication.cpp:4396
#140 0x00007f29357bcaed in QApplication::notify (this=0x7fff7f5d11f0, receiver=0x212e648, e=0x7fff7f5d0e00) at kernel/qapplication.cpp:4277
#141 0x00007f29398bf156 in KApplication::notify (this=0x7fff7f5d11f0, receiver=0x212e648, event=0x7fff7f5d0e00) at ../../kdeui/kernel/kapplication.cpp:310
#142 0x00007f293666ccdc in QCoreApplication::notifyInternal (this=0x7fff7f5d11f0, receiver=0x212e648, event=0x7fff7f5d0e00) at kernel/qcoreapplication.cpp:732
#143 0x00007f293669c6f2 in sendEvent (this=0x1ce76c0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#144 QTimerInfoList::activateTimers (this=0x1ce76c0) at kernel/qeventdispatcher_unix.cpp:602
#145 0x00007f293669c82c in QEventDispatcherUNIX::processEvents (this=0x1cc46e0, flags=) at kernel/qeventdispatcher_unix.cpp:923
#146 0x00007f293586ac4f in QEventDispatcherX11::processEvents (this=<value optimized out>, flags=) at kernel/qeventdispatcher_x11.cpp:152
#147 0x00007f293666ba02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#148 0x00007f293666bdec in QEventLoop::exec (this=0x7fff7f5d1130, flags=) at kernel/qeventloop.cpp:201
#149 0x00007f293666febb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#150 0x00007f293a0b2f7d in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../kwin/main.cpp:531
#151 0x00007f2939cfbd8e in __libc_start_main (main=<value optimized out>, argc=<value optimized out>, ubp_av=<value optimized out>, init=<value optimized out>, fini=<value optimized out>, rtld_fini=<value optimized out>, stack_end=0x7fff7f5d17f8) at libc-start.c:226
#152 0x0000000000400669 in _start ()

Possible duplicates by query: bug 252048, bug 250639.

Reported using DrKonqi