Application: kwin (4.7.2 (4.7.2))
KDE Platform Version: 4.7.2 (4.7.2) (Compiled from sources)
Qt Version: 4.7.2
Operating System: Linux 2.6.39-gentoo-r3 x86_64
Distribution: "Gentoo Base System release 2.0.3"

-- Information about the crash:
- What I was doing when the application crashed:

Working on desktop with firefox, digikam and terminal. I get several crashes in a few minutes. I can't find a certain cause for the crashes...

The crash can be reproduced some of the time.

-- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
[Current thread is 1 (Thread 0x7ffc647267a0 (LWP 21518))]

Thread 2 (Thread 0x7ffc46dcf700 (LWP 21535)):
#0  pthread_cond_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ffc62d6730c in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7ffc63076160) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007ffc62d67349 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x7ffc63084234) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007ffc61746bc3 in ?? () from /usr/lib64/opengl/nvidia/lib/libGL.so.1
#4  0x00007ffc5fe61dba in start_thread (arg=<value optimized out>) at pthread_create.c:301
#5  0x00007ffc63f8f02d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 1 (Thread 0x7ffc647267a0 (LWP 21518)):
[KCrash Handler]
#6  KWin::GLShader::resolveLocations (this=0x0) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/libkwineffects/kwinglutils.cpp:861
#7  0x00007ffc6234b137 in KWin::GLShader::setUniform (this=0x0, uniform=KWin::GLShader::AlphaToOne, value=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/libkwineffects/kwinglutils.cpp:913
#8  0x00007ffc643006b3 in KWin::SceneOpenGL::Window::restoreShaderRenderStates (this=<value optimized out>, type=KWin::SceneOpenGL::Window::DecorationTop, opacity=<value optimized out>, brightness=<value optimized out>, saturation=<value optimized out>, shader=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/scene_opengl.cpp:1023
#9  0x00007ffc6430ccc8 in KWin::SceneOpenGL::Window::paintDecoration (this=0x14e4020, decoration=0x14dd0c8, decorationType=KWin::SceneOpenGL::Window::DecorationTop, region=<value optimized out>, rect=<value optimized out>, data=..., quads=..., updateDeco=true) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/scene_opengl.cpp:644
#10 0x00007ffc6430d325 in KWin::SceneOpenGL::Window::performPaint (this=0x14e4020, mask=262, region=) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/scene_opengl.cpp:571
#11 0x00007ffc64310714 in KWin::LanczosFilter::performPaint (this=<value optimized out>, w=<value optimized out>, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/lanczosfilter.cpp:371
#12 0x00007ffc642f1ce4 in KWin::Scene::finalDrawWindow (this=0xfb14b0, w=0x14cb2e0, mask=262, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/scene.cpp:319
#13 0x00007ffc643177b3 in KWin::EffectsHandlerImpl::drawWindow (this=<value optimized out>, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:279
#14 0x00007ffc623455ce in KWin::Effect::drawWindow (this=<value optimized out>, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/libkwineffects/kwineffects.cpp:177
#15 0x00007ffc64317810 in KWin::EffectsHandlerImpl::drawWindow (this=0x130bdd0, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:276
#16 0x00007ffc623455ce in KWin::Effect::drawWindow (this=<value optimized out>, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/libkwineffects/kwineffects.cpp:177
#17 0x00007ffc64317810 in KWin::EffectsHandlerImpl::drawWindow (this=0x130bdd0, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:276
#18 0x00007ffc623455ce in KWin::Effect::drawWindow (this=<value optimized out>, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/libkwineffects/kwineffects.cpp:177
#19 0x00007ffc64317810 in KWin::EffectsHandlerImpl::drawWindow (this=0x130bdd0, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:276
#20 0x00007ffc623455ce in KWin::Effect::drawWindow (this=<value optimized out>, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/libkwineffects/kwineffects.cpp:177
#21 0x00007ffc64317810 in KWin::EffectsHandlerImpl::drawWindow (this=0x130bdd0, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:276
#22 0x00007ffc47b81728 in KWin::BlurEffect::drawWindow (this=<value optimized out>, w=0x14cb2e0, mask=262, region=) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects/blur/blur.cpp:364
#23 0x00007ffc64317810 in KWin::EffectsHandlerImpl::drawWindow (this=0x130bdd0, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:276
#24 0x00007ffc623455ce in KWin::Effect::drawWindow (this=<value optimized out>, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/libkwineffects/kwineffects.cpp:177
#25 0x00007ffc64317810 in KWin::EffectsHandlerImpl::drawWindow (this=0x130bdd0, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:276
#26 0x00007ffc623455ce in KWin::Effect::drawWindow (this=<value optimized out>, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/libkwineffects/kwineffects.cpp:177
#27 0x00007ffc64317810 in KWin::EffectsHandlerImpl::drawWindow (this=0x130bdd0, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:276
#28 0x00007ffc623455ce in KWin::Effect::drawWindow (this=<value optimized out>, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/libkwineffects/kwineffects.cpp:177
#29 0x00007ffc64317810 in KWin::EffectsHandlerImpl::drawWindow (this=0x130bdd0, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:276
#30 0x00007ffc623455ce in KWin::Effect::drawWindow (this=<value optimized out>, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/libkwineffects/kwineffects.cpp:177
#31 0x00007ffc64317810 in KWin::EffectsHandlerImpl::drawWindow (this=0x130bdd0, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:276
#32 0x00007ffc623455ce in KWin::Effect::drawWindow (this=<value optimized out>, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/libkwineffects/kwineffects.cpp:177
#33 0x00007ffc64317810 in KWin::EffectsHandlerImpl::drawWindow (this=0x130bdd0, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:276
#34 0x00007ffc623455ce in KWin::Effect::drawWindow (this=<value optimized out>, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/libkwineffects/kwineffects.cpp:177
#35 0x00007ffc64317810 in KWin::EffectsHandlerImpl::drawWindow (this=0x130bdd0, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:276
#36 0x00007ffc623455ce in KWin::Effect::drawWindow (this=<value optimized out>, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/libkwineffects/kwineffects.cpp:177
#37 0x00007ffc64317810 in KWin::EffectsHandlerImpl::drawWindow (this=0x130bdd0, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:276
#38 0x00007ffc623455ce in KWin::Effect::drawWindow (this=<value optimized out>, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/libkwineffects/kwineffects.cpp:177
#39 0x00007ffc64317810 in KWin::EffectsHandlerImpl::drawWindow (this=0x130bdd0, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:276
#40 0x00007ffc623455ce in KWin::Effect::drawWindow (this=<value optimized out>, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/libkwineffects/kwineffects.cpp:177
#41 0x00007ffc64317810 in KWin::EffectsHandlerImpl::drawWindow (this=0x130bdd0, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:276
#42 0x00007ffc623455ce in KWin::Effect::drawWindow (this=<value optimized out>, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/libkwineffects/kwineffects.cpp:177
#43 0x00007ffc64317810 in KWin::EffectsHandlerImpl::drawWindow (this=0x130bdd0, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:276
#44 0x00007ffc623455ce in KWin::Effect::drawWindow (this=<value optimized out>, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/libkwineffects/kwineffects.cpp:177
#45 0x00007ffc64317810 in KWin::EffectsHandlerImpl::drawWindow (this=0x130bdd0, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:276
#46 0x00007ffc623455ce in KWin::Effect::drawWindow (this=<value optimized out>, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/libkwineffects/kwineffects.cpp:177
#47 0x00007ffc64317810 in KWin::EffectsHandlerImpl::drawWindow (this=0x130bdd0, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:276
#48 0x00007ffc623455ce in KWin::Effect::drawWindow (this=<value optimized out>, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/libkwineffects/kwineffects.cpp:177
#49 0x00007ffc64317810 in KWin::EffectsHandlerImpl::drawWindow (this=0x130bdd0, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:276
#50 0x00007ffc623455ce in KWin::Effect::drawWindow (this=<value optimized out>, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/libkwineffects/kwineffects.cpp:177
#51 0x00007ffc64317810 in KWin::EffectsHandlerImpl::drawWindow (this=0x130bdd0, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:276
#52 0x00007ffc623455ce in KWin::Effect::drawWindow (this=<value optimized out>, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/libkwineffects/kwineffects.cpp:177
#53 0x00007ffc64317810 in KWin::EffectsHandlerImpl::drawWindow (this=0x130bdd0, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:276
#54 0x00007ffc623455ce in KWin::Effect::drawWindow (this=<value optimized out>, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/libkwineffects/kwineffects.cpp:177
#55 0x00007ffc64317810 in KWin::EffectsHandlerImpl::drawWindow (this=0x130bdd0, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:276
#56 0x00007ffc623455ce in KWin::Effect::drawWindow (this=<value optimized out>, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/libkwineffects/kwineffects.cpp:177
#57 0x00007ffc64317810 in KWin::EffectsHandlerImpl::drawWindow (this=0x130bdd0, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:276
#58 0x00007ffc623455ce in KWin::Effect::drawWindow (this=<value optimized out>, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/libkwineffects/kwineffects.cpp:177
#59 0x00007ffc64317810 in KWin::EffectsHandlerImpl::drawWindow (this=0x130bdd0, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:276
#60 0x00007ffc623455ce in KWin::Effect::drawWindow (this=<value optimized out>, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/libkwineffects/kwineffects.cpp:177
#61 0x00007ffc64317810 in KWin::EffectsHandlerImpl::drawWindow (this=0x130bdd0, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:276
#62 0x00007ffc623455ce in KWin::Effect::drawWindow (this=<value optimized out>, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/libkwineffects/kwineffects.cpp:177
#63 0x00007ffc64317810 in KWin::EffectsHandlerImpl::drawWindow (this=0x130bdd0, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:276
#64 0x00007ffc623455ce in KWin::Effect::drawWindow (this=<value optimized out>, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/libkwineffects/kwineffects.cpp:177
#65 0x00007ffc64317810 in KWin::EffectsHandlerImpl::drawWindow (this=0x130bdd0, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:276
#66 0x00007ffc623455ce in KWin::Effect::drawWindow (this=<value optimized out>, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/libkwineffects/kwineffects.cpp:177
#67 0x00007ffc64317810 in KWin::EffectsHandlerImpl::drawWindow (this=0x130bdd0, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:276
#68 0x00007ffc623455ce in KWin::Effect::drawWindow (this=<value optimized out>, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/libkwineffects/kwineffects.cpp:177
#69 0x00007ffc64317810 in KWin::EffectsHandlerImpl::drawWindow (this=0x130bdd0, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:276
#70 0x00007ffc623455ce in KWin::Effect::drawWindow (this=<value optimized out>, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/libkwineffects/kwineffects.cpp:177
#71 0x00007ffc64317810 in KWin::EffectsHandlerImpl::drawWindow (this=0x130bdd0, w=0x14cb2e0, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:276
#72 0x00007ffc47b4a9b0 in KWin::TaskbarThumbnailEffect::paintWindow (this=<value optimized out>, w=0x15c1700, mask=<value optimized out>, region=<value optimized out>, data=...) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects/taskbarthumbnail/taskbarthumbnail.cpp:100
#73 0x00007ffc643178f0 in KWin::EffectsHandlerImpl::paintWindow (this=0x130bdd0, w=0x15c1700, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:239
#74 0x00007ffc47b65ea2 in KWin::HighlightWindowEffect::paintWindow (this=<value optimized out>, w=0x15c1700, mask=0, region=) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects/highlightwindow/highlightwindow.cpp:107
#75 0x00007ffc643178f0 in KWin::EffectsHandlerImpl::paintWindow (this=0x130bdd0, w=0x15c1700, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:239
#76 0x00007ffc47b2e32d in KWin::DialogParentEffect::paintWindow (this=<value optimized out>, w=0x15c1700, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects/dialogparent/dialogparent.cpp:64
#77 0x00007ffc643178f0 in KWin::EffectsHandlerImpl::paintWindow (this=0x130bdd0, w=0x15c1700, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:239
#78 0x00007ffc47bb6bbf in KWin::SheetEffect::paintWindow (this=<value optimized out>, w=0x15c1700, mask=0, region=<value optimized out>, data=...) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects/sheet/sheet.cpp:100
#79 0x00007ffc643178f0 in KWin::EffectsHandlerImpl::paintWindow (this=0x130bdd0, w=0x15c1700, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:239
#80 0x00007ffc47b3088e in KWin::FadeEffect::paintWindow (this=0x1014b00, w=0x15c1700, mask=<value optimized out>, region=<value optimized out>, data=...) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects/fade/fade.cpp:138
#81 0x00007ffc643178f0 in KWin::EffectsHandlerImpl::paintWindow (this=0x130bdd0, w=0x15c1700, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:239
#82 0x00007ffc47b68ef4 in KWin::MagicLampEffect::paintWindow (this=<value optimized out>, w=0x15c1700, mask=<value optimized out>, region=<value optimized out>, data=...) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects/magiclamp/magiclamp.cpp:315
#83 0x00007ffc643178f0 in KWin::EffectsHandlerImpl::paintWindow (this=0x130bdd0, w=0x15c1700, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:239
#84 0x00007ffc47b61db6 in KWin::DimInactiveEffect::paintWindow (this=<value optimized out>, w=0x15c1700, mask=0, region=) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects/diminactive/diminactive.cpp:80
#85 0x00007ffc643178f0 in KWin::EffectsHandlerImpl::paintWindow (this=0x130bdd0, w=0x15c1700, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:239
#86 0x00007ffc47ba643e in KWin::FlipSwitchEffect::paintWindow (this=<value optimized out>, w=0x15c1700, mask=0, region=) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects/flipswitch/flipswitch.cpp:505
#87 0x00007ffc643178f0 in KWin::EffectsHandlerImpl::paintWindow (this=0x130bdd0, w=0x15c1700, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:239
#88 0x00007ffc47b5c1de in KWin::DesktopGridEffect::paintWindow (this=<value optimized out>, w=0x15c1700, mask=<value optimized out>, region=<value optimized out>, data=...) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects/desktopgrid/desktopgrid.cpp:377
#89 0x00007ffc643178f0 in KWin::EffectsHandlerImpl::paintWindow (this=0x130bdd0, w=0x15c1700, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:239
#90 0x00007ffc47b768ac in KWin::SlideBackEffect::paintWindow (this=0x1351500, w=0x15c1700, mask=<value optimized out>, region=) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects/slideback/slideback.cpp:207
#91 0x00007ffc643178f0 in KWin::EffectsHandlerImpl::paintWindow (this=0x130bdd0, w=0x15c1700, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:239
#92 0x00007ffc47b4b937 in KWin::BoxSwitchEffect::paintWindow (this=<value optimized out>, w=0x15c1700, mask=0, region=) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects/boxswitch/boxswitch.cpp:221
#93 0x00007ffc643178f0 in KWin::EffectsHandlerImpl::paintWindow (this=0x130bdd0, w=0x15c1700, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:239
#94 0x00007ffc47b955b3 in KWin::CubeEffect::paintWindow (this=<value optimized out>, w=0x15c1700, mask=<value optimized out>, region=) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects/cube/cube.cpp:1461
#95 0x00007ffc643178f0 in KWin::EffectsHandlerImpl::paintWindow (this=0x130bdd0, w=0x15c1700, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:239
#96 0x00007ffc623456ce in KWin::Effect::paintWindow (this=<value optimized out>, w=0x15c1700, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/libkwineffects/kwineffects.cpp:157
#97 0x00007ffc643178f0 in KWin::EffectsHandlerImpl::paintWindow (this=0x130bdd0, w=0x15c1700, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:239
#98 0x00007ffc47b6dd19 in KWin::ScaleInEffect::paintWindow (this=<value optimized out>, w=0x15c1700, mask=0, region=) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects/scalein/scalein.cpp:66
#99 0x00007ffc643178f0 in KWin::EffectsHandlerImpl::paintWindow (this=0x130bdd0, w=0x15c1700, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:239
#100 0x00007ffc47ba08ed in KWin::CubeSlideEffect::paintWindow (this=<value optimized out>, w=0x15c1700, mask=0, region=) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects/cube/cubeslide.cpp:369
#101 0x00007ffc643178f0 in KWin::EffectsHandlerImpl::paintWindow (this=0x130bdd0, w=0x15c1700, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:239
#102 0x00007ffc47b6a287 in KWin::TranslucencyEffect::paintWindow (this=<value optimized out>, w=0x15c1700, mask=0, region=) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects/translucency/translucency.cpp:166
#103 0x00007ffc643178f0 in KWin::EffectsHandlerImpl::paintWindow (this=0x130bdd0, w=0x15c1700, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:239
#104 0x00007ffc47b6bd22 in KWin::MinimizeAnimationEffect::paintWindow (this=<value optimized out>, w=0x15c1700, mask=0, region=) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects/minimizeanimation/minimizeanimation.cpp:102
#105 0x00007ffc643178f0 in KWin::EffectsHandlerImpl::paintWindow (this=0x130bdd0, w=0x15c1700, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:239
#106 0x00007ffc47b85b86 in KWin::CoverSwitchEffect::paintWindow (this=<value optimized out>, w=0x15c1700, mask=0, region=) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects/coverswitch/coverswitch.cpp:531
#107 0x00007ffc643178f0 in KWin::EffectsHandlerImpl::paintWindow (this=0x130bdd0, w=0x15c1700, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:239
#108 0x00007ffc47bc0332 in KWin::WobblyWindowsEffect::paintWindow (this=<value optimized out>, w=0x15c1700, mask=<value optimized out>, region=<value optimized out>, data=...) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects/wobblywindows/wobblywindows.cpp:352
#109 0x00007ffc643178f0 in KWin::EffectsHandlerImpl::paintWindow (this=0x130bdd0, w=0x15c1700, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:239
#110 0x00007ffc47b4868a in KWin::SlidingPopupsEffect::paintWindow (this=<value optimized out>, w=0x15c1700, mask=<value optimized out>, region=<value optimized out>, data=...) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects/slidingpopups/slidingpopups.cpp:146
#111 0x00007ffc643178f0 in KWin::EffectsHandlerImpl::paintWindow (this=0x130bdd0, w=0x15c1700, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:239
#112 0x00007ffc47b32eb5 in KWin::LoginEffect::paintWindow (this=<value optimized out>, w=0x15c1700, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects/login/login.cpp:66
#113 0x00007ffc643178f0 in KWin::EffectsHandlerImpl::paintWindow (this=0x130bdd0, w=0x15c1700, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:239
#114 0x00007ffc623456ce in KWin::Effect::paintWindow (this=<value optimized out>, w=0x15c1700, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/libkwineffects/kwineffects.cpp:157
#115 0x00007ffc643178f0 in KWin::EffectsHandlerImpl::paintWindow (this=0x130bdd0, w=0x15c1700, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:239
#116 0x00007ffc47ba2117 in KWin::CubeSlideEffect::paintScreen (this=<value optimized out>, mask=<value optimized out>, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects/cube/cubeslide.cpp:114
#117 0x00007ffc643179be in KWin::EffectsHandlerImpl::paintScreen (this=0x130bdd0, mask=624, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:212
#118 0x00007ffc62345745 in KWin::Effect::paintScreen (this=<value optimized out>, mask=624, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/libkwineffects/kwineffects.cpp:142
#119 0x00007ffc643179be in KWin::EffectsHandlerImpl::paintScreen (this=0x130bdd0, mask=624, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:212
#120 0x00007ffc62345745 in KWin::Effect::paintScreen (this=<value optimized out>, mask=624, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/libkwineffects/kwineffects.cpp:142
#121 0x00007ffc643179be in KWin::EffectsHandlerImpl::paintScreen (this=0x130bdd0, mask=624, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:212
#122 0x00007ffc47b8a8d8 in KWin::CoverSwitchEffect::paintScreen (this=0x137aa30, mask=624, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects/coverswitch/coverswitch.cpp:136
#123 0x00007ffc643179be in KWin::EffectsHandlerImpl::paintScreen (this=0x130bdd0, mask=624, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:212
#124 0x00007ffc62345745 in KWin::Effect::paintScreen (this=<value optimized out>, mask=624, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/libkwineffects/kwineffects.cpp:142
#125 0x00007ffc643179be in KWin::EffectsHandlerImpl::paintScreen (this=0x130bdd0, mask=624, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:212
#126 0x00007ffc62345745 in KWin::Effect::paintScreen (this=<value optimized out>, mask=624, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/libkwineffects/kwineffects.cpp:142
#127 0x00007ffc643179be in KWin::EffectsHandlerImpl::paintScreen (this=0x130bdd0, mask=624, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:212
#128 0x00007ffc62345745 in KWin::Effect::paintScreen (this=<value optimized out>, mask=624, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/libkwineffects/kwineffects.cpp:142
#129 0x00007ffc643179be in KWin::EffectsHandlerImpl::paintScreen (this=0x130bdd0, mask=624, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:212
#130 0x00007ffc47b774d5 in KWin::ThumbnailAsideEffect::paintScreen (this=0xffb510, mask=624, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects/thumbnailaside/thumbnailaside.cpp:59
#131 0x00007ffc643179be in KWin::EffectsHandlerImpl::paintScreen (this=0x130bdd0, mask=624, region=<value optimized out>, data=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/effects.cpp:212
#132 0x00007ffc642f2075 in KWin::Scene::paintScreen (this=0xfb14b0, mask=0x7fff893bbbbc, region=0x7fff893bbcf0) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/scene.cpp:136
#133 0x00007ffc64307724 in KWin::SceneOpenGL::paint (this=0xfb14b0, damage=<value optimized out>, toplevels=) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/scene_opengl_glx.cpp:455
#134 0x00007ffc642ecd8c in KWin::Workspace::performCompositing (this=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/composite.cpp:427
#135 0x00007ffc601f7359 in QObject::event (this=0xb4f870, e=0x0) at kernel/qobject.cpp:1181
#136 0x00007ffc5f35020c in QApplicationPrivate::notify_helper (this=0xb9b200, receiver=0xb4f870, e=0x7fff893bc4b0) at kernel/qapplication.cpp:4462
#137 0x00007ffc5f3556cd in QApplication::notify (this=0x7fff893bc900, receiver=0xb4f870, e=0x7fff893bc4b0) at kernel/qapplication.cpp:4341
#138 0x00007ffc63a73528 in KApplication::notify (this=0x7fff893bc900, receiver=0xb4f870, event=0x7fff893bc4b0) at /var/tmp/portage/kde-base/kdelibs-4.7.2-r1/work/kdelibs-4.7.2/kdeui/kernel/kapplication.cpp:311
#139 0x00007ffc601e588b in QCoreApplication::notifyInternal (this=0x7fff893bc900, receiver=0xb4f870, event=0x7fff893bc4b0) at kernel/qcoreapplication.cpp:731
#140 0x00007ffc60214d9a in sendEvent (this=0xb9bc80) at kernel/qcoreapplication.h:215
#141 QTimerInfoList::activateTimers (this=0xb9bc80) at kernel/qeventdispatcher_unix.cpp:604
#142 0x00007ffc60214f8b in QEventDispatcherUNIX::processEvents (this=0xb63b40, flags=) at kernel/qeventdispatcher_unix.cpp:923
#143 0x00007ffc5f403c1d in QEventDispatcherX11::processEvents (this=0xb63b40, flags=) at kernel/qeventdispatcher_x11.cpp:152
#144 0x00007ffc601e45d2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#145 0x00007ffc601e499d in QEventLoop::exec (this=0x7fff893bc7f0, flags=) at kernel/qeventloop.cpp:201
#146 0x00007ffc601e8a1b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#147 0x00007ffc642870c6 in kdemain (argc=<value optimized out>, argv=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.7.2/work/kwin-4.7.2/kwin/main.cpp:517
#148 0x00007ffc63edbd4c 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=0x7fff893bcf58) at libc-start.c:226
#149 0x0000000000400789 in _start ()

Possible duplicates by query: bug 283577.

Reported using DrKonqi