'[Bug 279823] New: kwin crash when using the flip-switch'

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List:       kde-bugs-dist
Subject:    [Bug 279823] New: kwin crash when using the flip-switch
From:       Gunther Piez <gpiez () web ! de>
Date:       2011-08-10 15:48:31
Message-ID: bug-279823-17878 () http ! bugs ! kde ! org/
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https://bugs.kde.org/show_bug.cgi?id=279823

           Summary: kwin crash when using the flip-switch
           Product: kwin
           Version: unspecified
          Platform: Compiled Sources
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: kwin-bugs-null@kde.org
        ReportedBy: gpiez@web.de


Application: kwin (4.7.00 (4.7.0))
KDE Platform Version: 4.7.00 (4.7.0) (Compiled from sources)
Qt Version: 4.7.3
Operating System: Linux 3.0.0 x86_64
Distribution (Platform): Gentoo Packages

-- Information about the crash:
Using the "Flip Switch" effect causes a freeze as soon as the windows appear as
a stack, after some seconds kwin crashes

The crash can be reproduced every time.

-- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f80597857e0 (LWP 23029))]

Thread 2 (Thread 0x7f80531d5700 (LWP 23043)):
#0  pthread_cond_wait () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x000000302798e844 in QTWTF::TCMalloc_PageHeap::scavengerThread
(this=0x3027ca7140) at
../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x000000302798e879 in QTWTF::TCMalloc_PageHeap::runScavengerThread
(context=0x3027cb5214) at
../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x000000300baa155c in ?? () from //usr/lib64/opengl/nvidia/lib/libGL.so.1
#4  0x0000003002206e0c in start_thread () from /lib64/libpthread.so.0
#5  0x00000030016e678d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 1 (Thread 0x7f80597857e0 (LWP 23029)):
[KCrash Handler]
#6  0x000000300aaae6a1 in ?? () from /usr/lib64/libnvidia-glcore.so.280.11
#7  0x000000300aab1131 in ?? () from /usr/lib64/libnvidia-glcore.so.280.11
#8  0x000000300ac22661 in ?? () from /usr/lib64/libnvidia-glcore.so.280.11
#9  0x000000300a777b34 in ?? () from /usr/lib64/libnvidia-glcore.so.280.11
#10 0x000000300a777e0d in ?? () from /usr/lib64/libnvidia-glcore.so.280.11
#11 0x00000030e1a1e4d2 in KWin::GLShader::setUniform (this=<optimized out>,
location=7, value=<optimized out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwinglutils.cpp:1006
 #12 0x00000030d72f6859 in KWin::SceneOpenGL::Window::performPaint
(this=0xdd8df0, mask=37, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/scene_opengl.cpp:504
#13 0x00000030d72f785c in KWin::SceneOpenGL::Window::performPaint
(this=0xdd8df0, mask=37, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/scene_opengl.cpp:476
#14 0x00000030d72ddc02 in KWin::Scene::finalDrawWindow (this=<optimized out>,
w=<optimized out>, mask=37, region=<optimized out>, data=<optimized out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/scene.cpp:321
#15 0x00000030d7306dc8 in KWin::EffectsHandlerImpl::drawWindow (this=<optimized
out>, w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:279
#16 0x00000030e1a1446b in KWin::Effect::drawWindow (this=<optimized out>,
w=0xd9ea70, mask=37, region=<optimized out>, data=<optimized out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:177
 #17 0x00000030d7306e5c in KWin::EffectsHandlerImpl::drawWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:276
#18 0x00000030e1a1446b in KWin::Effect::drawWindow (this=<optimized out>,
w=0xd9ea70, mask=37, region=<optimized out>, data=<optimized out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:177
 #19 0x00000030d7306e5c in KWin::EffectsHandlerImpl::drawWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:276
#20 0x00000030e1a1446b in KWin::Effect::drawWindow (this=<optimized out>,
w=0xd9ea70, mask=37, region=<optimized out>, data=<optimized out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:177
 #21 0x00000030d7306e5c in KWin::EffectsHandlerImpl::drawWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:276
#22 0x00000030e1a1446b in KWin::Effect::drawWindow (this=<optimized out>,
w=0xd9ea70, mask=37, region=<optimized out>, data=<optimized out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:177
 #23 0x00000030d7306e5c in KWin::EffectsHandlerImpl::drawWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:276
#24 0x00007f8054acd373 in KWin::BlurEffect::drawWindow (this=<optimized out>,
w=0xd9ea70, mask=37, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects/blur/blur.cpp:364
#25 0x00000030d7306e5c in KWin::EffectsHandlerImpl::drawWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:276
#26 0x00000030e1a1446b in KWin::Effect::drawWindow (this=<optimized out>,
w=0xd9ea70, mask=37, region=<optimized out>, data=<optimized out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:177
 #27 0x00000030d7306e5c in KWin::EffectsHandlerImpl::drawWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:276
#28 0x00000030e1a1446b in KWin::Effect::drawWindow (this=<optimized out>,
w=0xd9ea70, mask=37, region=<optimized out>, data=<optimized out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:177
 #29 0x00000030d7306e5c in KWin::EffectsHandlerImpl::drawWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:276
#30 0x00000030e1a1446b in KWin::Effect::drawWindow (this=<optimized out>,
w=0xd9ea70, mask=37, region=<optimized out>, data=<optimized out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:177
 #31 0x00000030d7306e5c in KWin::EffectsHandlerImpl::drawWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:276
#32 0x00000030e1a1446b in KWin::Effect::drawWindow (this=<optimized out>,
w=0xd9ea70, mask=37, region=<optimized out>, data=<optimized out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:177
 #33 0x00000030d7306e5c in KWin::EffectsHandlerImpl::drawWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:276
#34 0x00000030e1a1446b in KWin::Effect::drawWindow (this=<optimized out>,
w=0xd9ea70, mask=37, region=<optimized out>, data=<optimized out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:177
 #35 0x00000030d7306e5c in KWin::EffectsHandlerImpl::drawWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:276
#36 0x00000030e1a1446b in KWin::Effect::drawWindow (this=<optimized out>,
w=0xd9ea70, mask=37, region=<optimized out>, data=<optimized out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:177
 #37 0x00000030d7306e5c in KWin::EffectsHandlerImpl::drawWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:276
#38 0x00000030e1a1446b in KWin::Effect::drawWindow (this=<optimized out>,
w=0xd9ea70, mask=37, region=<optimized out>, data=<optimized out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:177
 #39 0x00000030d7306e5c in KWin::EffectsHandlerImpl::drawWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:276
#40 0x00000030e1a1446b in KWin::Effect::drawWindow (this=<optimized out>,
w=0xd9ea70, mask=37, region=<optimized out>, data=<optimized out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:177
 #41 0x00000030d7306e5c in KWin::EffectsHandlerImpl::drawWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:276
#42 0x00000030e1a1446b in KWin::Effect::drawWindow (this=<optimized out>,
w=0xd9ea70, mask=37, region=<optimized out>, data=<optimized out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:177
 #43 0x00000030d7306e5c in KWin::EffectsHandlerImpl::drawWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:276
#44 0x00000030e1a1446b in KWin::Effect::drawWindow (this=<optimized out>,
w=0xd9ea70, mask=37, region=<optimized out>, data=<optimized out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:177
 #45 0x00000030d7306e5c in KWin::EffectsHandlerImpl::drawWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:276
#46 0x00000030e1a1446b in KWin::Effect::drawWindow (this=<optimized out>,
w=0xd9ea70, mask=37, region=<optimized out>, data=<optimized out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:177
 #47 0x00000030d7306e5c in KWin::EffectsHandlerImpl::drawWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:276
#48 0x00000030e1a1446b in KWin::Effect::drawWindow (this=<optimized out>,
w=0xd9ea70, mask=37, region=<optimized out>, data=<optimized out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:177
 #49 0x00000030d7306e5c in KWin::EffectsHandlerImpl::drawWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:276
#50 0x00000030e1a1446b in KWin::Effect::drawWindow (this=<optimized out>,
w=0xd9ea70, mask=37, region=<optimized out>, data=<optimized out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:177
 #51 0x00000030d7306e5c in KWin::EffectsHandlerImpl::drawWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:276
#52 0x00000030e1a1446b in KWin::Effect::drawWindow (this=<optimized out>,
w=0xd9ea70, mask=37, region=<optimized out>, data=<optimized out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:177
 #53 0x00000030d7306e5c in KWin::EffectsHandlerImpl::drawWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:276
#54 0x00000030e1a1446b in KWin::Effect::drawWindow (this=<optimized out>,
w=0xd9ea70, mask=37, region=<optimized out>, data=<optimized out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:177
 #55 0x00000030d7306e5c in KWin::EffectsHandlerImpl::drawWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:276
#56 0x00000030e1a1446b in KWin::Effect::drawWindow (this=<optimized out>,
w=0xd9ea70, mask=37, region=<optimized out>, data=<optimized out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:177
 #57 0x00000030d7306e5c in KWin::EffectsHandlerImpl::drawWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:276
#58 0x00000030e1a1446b in KWin::Effect::drawWindow (this=<optimized out>,
w=0xd9ea70, mask=37, region=<optimized out>, data=<optimized out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:177
 #59 0x00000030d7306e5c in KWin::EffectsHandlerImpl::drawWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:276
#60 0x00000030e1a1446b in KWin::Effect::drawWindow (this=<optimized out>,
w=0xd9ea70, mask=37, region=<optimized out>, data=<optimized out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:177
 #61 0x00000030d7306e5c in KWin::EffectsHandlerImpl::drawWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:276
#62 0x00000030e1a1446b in KWin::Effect::drawWindow (this=<optimized out>,
w=0xd9ea70, mask=37, region=<optimized out>, data=<optimized out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:177
 #63 0x00000030d7306e5c in KWin::EffectsHandlerImpl::drawWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:276
#64 0x00000030e1a1446b in KWin::Effect::drawWindow (this=<optimized out>,
w=0xd9ea70, mask=37, region=<optimized out>, data=<optimized out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:177
 #65 0x00000030d7306e5c in KWin::EffectsHandlerImpl::drawWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:276
#66 0x00000030d72dd29b in KWin::Scene::finalPaintWindow (this=<optimized out>,
w=0xd9ea70, mask=37, region=<optimized out>, data=<optimized out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/scene.cpp:312
#67 0x00000030d7306f58 in KWin::EffectsHandlerImpl::paintWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:242
#68 0x00000030e1a1457b in KWin::Effect::paintWindow (this=<optimized out>,
w=0xd9ea70, mask=37, region=<optimized out>, data=<optimized out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:157
 #69 0x00000030d7306fec in KWin::EffectsHandlerImpl::paintWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:239
#70 0x00000030e1a1457b in KWin::Effect::paintWindow (this=<optimized out>,
w=0xd9ea70, mask=37, region=<optimized out>, data=<optimized out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:157
 #71 0x00000030d7306fec in KWin::EffectsHandlerImpl::paintWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:239
#72 0x00007f8054a9bd45 in KWin::DashboardEffect::paintWindow (this=<optimized
out>, w=0xd9ea70, mask=37, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects/dashboard/dashboard.cpp:98
 #73 0x00000030d7306fec in KWin::EffectsHandlerImpl::paintWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:239
#74 0x00007f8054ac9a6f in KWin::LogoutEffect::paintWindow (this=<optimized
out>, w=0xd9ea70, mask=37, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects/logout/logout.cpp:191
 #75 0x00000030d7306fec in KWin::EffectsHandlerImpl::paintWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:239
#76 0x00000030e1a1457b in KWin::Effect::paintWindow (this=<optimized out>,
w=0xd9ea70, mask=37, region=<optimized out>, data=<optimized out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:157
 #77 0x00000030d7306fec in KWin::EffectsHandlerImpl::paintWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:239
#78 0x00007f8054a7d5e0 in KWin::PresentWindowsEffect::paintWindow
(this=<optimized out>, w=0xd9ea70, mask=37, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects/presentwindows/presentwindows.cpp:381
 #79 0x00000030d7306fec in KWin::EffectsHandlerImpl::paintWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:239
#80 0x00007f8054a918ee in KWin::TaskbarThumbnailEffect::paintWindow
(this=0xcb6ee0, w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects/taskbarthumbnail/taskbarthumbnail.cpp:74
 #81 0x00000030d7306fec in KWin::EffectsHandlerImpl::paintWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:239
#82 0x00007f8054aaf9e7 in KWin::HighlightWindowEffect::paintWindow
(this=0xcd5c50, w=0xd9ea70, mask=37, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects/highlightwindow/highlightwindow.cpp:107
 #83 0x00000030d7306fec in KWin::EffectsHandlerImpl::paintWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:239
#84 0x00007f8054a75af2 in KWin::DialogParentEffect::paintWindow
(this=<optimized out>, w=0xd9ea70, mask=37, region=<optimized out>,
data=<optimized out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects/dialogparent/dialogparent.cpp:64
 #85 0x00000030d7306fec in KWin::EffectsHandlerImpl::paintWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:239
#86 0x00007f8054a78f8f in KWin::FadeEffect::paintWindow (this=0xc43710,
w=0xd9ea70, mask=37, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects/fade/fade.cpp:148
#87 0x00000030d7306fec in KWin::EffectsHandlerImpl::paintWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:239
#88 0x00007f8054ab71f1 in KWin::ResizeEffect::paintWindow (this=<optimized
out>, w=0xd9ea70, mask=37, region=<optimized out>, data=<optimized out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects/resize/resize.cpp:138
 #89 0x00000030d7306fec in KWin::EffectsHandlerImpl::paintWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:239
#90 0x00007f8054aaa175 in KWin::DimInactiveEffect::paintWindow (this=<optimized
out>, w=0xd9ea70, mask=37, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects/diminactive/diminactive.cpp:80
 #91 0x00000030d7306fec in KWin::EffectsHandlerImpl::paintWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:239
#92 0x00007f8054af53e6 in KWin::FlipSwitchEffect::paintWindow (this=<optimized
out>, w=0xd9ea70, mask=37, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects/flipswitch/flipswitch.cpp:505
 #93 0x00000030d7306fec in KWin::EffectsHandlerImpl::paintWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:239
#94 0x00007f8054aa804f in KWin::DesktopGridEffect::paintWindow (this=0xc58d90,
w=0xd9ea70, mask=37, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects/desktopgrid/desktopgrid.cpp:377
 #95 0x00000030d7306fec in KWin::EffectsHandlerImpl::paintWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:239
#96 0x00007f8054ac0e4e in KWin::SlideBackEffect::paintWindow (this=0xc5bb40,
w=0xd9ea70, mask=37, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects/slideback/slideback.cpp:207
 #97 0x00000030d7306fec in KWin::EffectsHandlerImpl::paintWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:239
#98 0x00007f8054ae7036 in KWin::CubeEffect::paintWindow (this=<optimized out>,
w=<optimized out>, mask=37, region=..., data=<optimized out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects/cube/cube.cpp:1460
#99 0x00000030d7306fec in KWin::EffectsHandlerImpl::paintWindow (this=0xbd6500,
w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:239
#100 0x00000030e1a1457b in KWin::Effect::paintWindow (this=<optimized out>,
w=0xd9ea70, mask=37, region=<optimized out>, data=<optimized out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:157
 #101 0x00000030d7306fec in KWin::EffectsHandlerImpl::paintWindow
(this=0xbd6500, w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:239
#102 0x00007f8054ab81b7 in KWin::ScaleInEffect::paintWindow (this=<optimized
out>, w=0xd9ea70, mask=37, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects/scalein/scalein.cpp:66
 #103 0x00000030d7306fec in KWin::EffectsHandlerImpl::paintWindow
(this=0xbd6500, w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:239
#104 0x00007f8054aeb77a in KWin::CubeSlideEffect::paintWindow (this=<optimized
out>, w=0xd9ea70, mask=<optimized out>, region=<optimized out>, data=<optimized
out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects/cube/cubeslide.cpp:369
 #105 0x00000030d7306fec in KWin::EffectsHandlerImpl::paintWindow
(this=0xbd6500, w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:239
#106 0x00007f8054ab52f2 in KWin::TranslucencyEffect::paintWindow
(this=<optimized out>, w=0xd9ea70, mask=37, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects/translucency/translucency.cpp:106
 #107 0x00000030d7306fec in KWin::EffectsHandlerImpl::paintWindow
(this=0xbd6500, w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:239
#108 0x00007f8054ab606c in KWin::MinimizeAnimationEffect::paintWindow
(this=<optimized out>, w=0xd9ea70, mask=37, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects/minimizeanimation/minimizeanimation.cpp:102
 #109 0x00000030d7306fec in KWin::EffectsHandlerImpl::paintWindow
(this=0xbd6500, w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:239
#110 0x00007f8054ad3081 in KWin::CoverSwitchEffect::paintWindow
(this=<optimized out>, w=0xd9ea70, mask=37, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects/coverswitch/coverswitch.cpp:531
 #111 0x00000030d7306fec in KWin::EffectsHandlerImpl::paintWindow
(this=0xbd6500, w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:239
#112 0x00007f8054b0f5fd in KWin::WobblyWindowsEffect::paintWindow
(this=<optimized out>, w=0xd9ea70, mask=37, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects/wobblywindows/wobblywindows.cpp:352
 #113 0x00000030d7306fec in KWin::EffectsHandlerImpl::paintWindow
(this=0xbd6500, w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:239
#114 0x00007f8054a7b611 in KWin::LoginEffect::paintWindow (this=<optimized
out>, w=0xd9ea70, mask=37, region=<optimized out>, data=<optimized out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects/login/login.cpp:66
#115 0x00000030d7306fec in KWin::EffectsHandlerImpl::paintWindow
(this=0xbd6500, w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:239
#116 0x00000030e1a1457b in KWin::Effect::paintWindow (this=<optimized out>,
w=0xd9ea70, mask=37, region=<optimized out>, data=<optimized out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:157
 #117 0x00000030d7306fec in KWin::EffectsHandlerImpl::paintWindow
(this=0xbd6500, w=0xd9ea70, mask=37, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:239
#118 0x00000030d72dda03 in paintWindow (quads=<optimized out>, region=...,
mask=37, w=0xdd8df0, this=<optimized out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/scene.cpp:306
#119 KWin::Scene::paintWindow (this=<optimized out>, w=0xdd8df0, mask=37,
region=..., quads=<optimized out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/scene.cpp:297
#120 0x00000030d72e0f06 in KWin::Scene::paintGenericScreen (this=0xac40f0,
orig_mask=32) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/scene.cpp:210
#121 0x00000030d72edce9 in KWin::SceneOpenGL::paintGenericScreen
(this=0xac40f0, mask=32, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/scene_opengl.cpp:169
#122 0x00000030d72dd237 in KWin::Scene::finalPaintScreen (this=0xac40f0,
mask=32, region=<optimized out>, data=<optimized out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/scene.cpp:175
#123 0x00000030d7307183 in KWin::EffectsHandlerImpl::paintScreen
(this=0xbd6500, mask=32, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:215
#124 0x00007f8054b051c6 in KWin::StartupFeedbackEffect::paintScreen
(this=0xc9e430, mask=32, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects/startupfeedback/startupfeedback.cpp:174
 #125 0x00000030d73071ff in KWin::EffectsHandlerImpl::paintScreen
(this=0xbd6500, mask=32, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:212
#126 0x00007f8054a7ba96 in KWin::OutlineEffect::paintScreen (this=0xc9dec0,
mask=32, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects/outline/outline.cpp:44
 #127 0x00000030d73071ff in KWin::EffectsHandlerImpl::paintScreen
(this=0xbd6500, mask=32, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:212
#128 0x00000030e1a145e8 in KWin::Effect::paintScreen (this=<optimized out>,
mask=32, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:142
 #129 0x00000030d73071ff in KWin::EffectsHandlerImpl::paintScreen
(this=0xbd6500, mask=32, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:212
#130 0x00007f8054ac9fcd in KWin::LogoutEffect::paintScreen (this=0xcdd4f0,
mask=32, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects/logout/logout.cpp:200
 #131 0x00000030d73071ff in KWin::EffectsHandlerImpl::paintScreen
(this=0xbd6500, mask=32, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:212
#132 0x00000030e1a145e8 in KWin::Effect::paintScreen (this=<optimized out>,
mask=32, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:142
 #133 0x00000030d73071ff in KWin::EffectsHandlerImpl::paintScreen
(this=0xbd6500, mask=32, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:212
#134 0x00007f8054a7bcd9 in KWin::PresentWindowsEffect::paintScreen
(this=0xc9d4d0, mask=32, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects/presentwindows/presentwindows.cpp:216
 #135 0x00000030d73071ff in KWin::EffectsHandlerImpl::paintScreen
(this=0xbd6500, mask=32, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:212
#136 0x00000030e1a145e8 in KWin::Effect::paintScreen (this=<optimized out>,
mask=32, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:142
 #137 0x00000030d73071ff in KWin::EffectsHandlerImpl::paintScreen
(this=0xbd6500, mask=32, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:212
#138 0x00000030e1a145e8 in KWin::Effect::paintScreen (this=<optimized out>,
mask=32, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:142
 #139 0x00000030d73071ff in KWin::EffectsHandlerImpl::paintScreen
(this=0xbd6500, mask=32, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:212
#140 0x00000030e1a145e8 in KWin::Effect::paintScreen (this=<optimized out>,
mask=32, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:142
 #141 0x00000030d73071ff in KWin::EffectsHandlerImpl::paintScreen
(this=0xbd6500, mask=32, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:212
#142 0x00000030e1a145e8 in KWin::Effect::paintScreen (this=<optimized out>,
mask=32, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:142
 #143 0x00000030d73071ff in KWin::EffectsHandlerImpl::paintScreen
(this=0xbd6500, mask=32, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:212
#144 0x00000030e1a145e8 in KWin::Effect::paintScreen (this=<optimized out>,
mask=32, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:142
 #145 0x00000030d73071ff in KWin::EffectsHandlerImpl::paintScreen
(this=0xbd6500, mask=32, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:212
#146 0x00000030e1a145e8 in KWin::Effect::paintScreen (this=<optimized out>,
mask=32, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:142
 #147 0x00000030d73071ff in KWin::EffectsHandlerImpl::paintScreen
(this=0xbd6500, mask=32, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:212
#148 0x00007f8054afaaf9 in KWin::FlipSwitchEffect::paintScreen (this=0xc2f560,
mask=32, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects/flipswitch/flipswitch.cpp:149
 #149 0x00000030d73071ff in KWin::EffectsHandlerImpl::paintScreen
(this=0xbd6500, mask=32, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:212
#150 0x00007f8054aa259b in KWin::DesktopGridEffect::paintScreen
(this=<optimized out>, mask=32, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects/desktopgrid/desktopgrid.cpp:161
 #151 0x00000030d73071ff in KWin::EffectsHandlerImpl::paintScreen
(this=0xbd6500, mask=32, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:212
#152 0x00000030e1a145e8 in KWin::Effect::paintScreen (this=<optimized out>,
mask=32, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:142
 #153 0x00000030d73071ff in KWin::EffectsHandlerImpl::paintScreen
(this=0xbd6500, mask=32, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:212
#154 0x00007f8054ae490f in KWin::CubeEffect::paintScreen (this=<optimized out>,
mask=32, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects/cube/cube.cpp:578
#155 0x00000030d73071ff in KWin::EffectsHandlerImpl::paintScreen
(this=0xbd6500, mask=32, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:212
#156 0x00000030e1a145e8 in KWin::Effect::paintScreen (this=<optimized out>,
mask=32, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:142
 #157 0x00000030d73071ff in KWin::EffectsHandlerImpl::paintScreen
(this=0xbd6500, mask=32, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:212
#158 0x00000030e1a145e8 in KWin::Effect::paintScreen (this=<optimized out>,
mask=32, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:142
 #159 0x00000030d73071ff in KWin::EffectsHandlerImpl::paintScreen
(this=0xbd6500, mask=32, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:212
#160 0x00007f8054af05b5 in KWin::CubeSlideEffect::paintScreen (this=<optimized
out>, mask=32, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects/cube/cubeslide.cpp:117
 #161 0x00000030d73071ff in KWin::EffectsHandlerImpl::paintScreen
(this=0xbd6500, mask=32, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:212
#162 0x00000030e1a145e8 in KWin::Effect::paintScreen (this=<optimized out>,
mask=32, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:142
 #163 0x00000030d73071ff in KWin::EffectsHandlerImpl::paintScreen
(this=0xbd6500, mask=32, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:212
#164 0x00000030e1a145e8 in KWin::Effect::paintScreen (this=<optimized out>,
mask=32, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:142
 #165 0x00000030d73071ff in KWin::EffectsHandlerImpl::paintScreen
(this=0xbd6500, mask=32, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:212
#166 0x00007f8054ad6295 in KWin::CoverSwitchEffect::paintScreen (this=0xcf6f70,
mask=32, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects/coverswitch/coverswitch.cpp:136
 #167 0x00000030d73071ff in KWin::EffectsHandlerImpl::paintScreen
(this=0xbd6500, mask=32, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:212
#168 0x00000030e1a145e8 in KWin::Effect::paintScreen (this=<optimized out>,
mask=32, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:142
 #169 0x00000030d73071ff in KWin::EffectsHandlerImpl::paintScreen
(this=0xbd6500, mask=32, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:212
#170 0x00000030e1a145e8 in KWin::Effect::paintScreen (this=<optimized out>,
mask=32, region=<optimized out>, data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/libkwineffects/kwineffects.cpp:142
 #171 0x00000030d73071ff in KWin::EffectsHandlerImpl::paintScreen
(this=0xbd6500, mask=32, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:212
#172 0x00007f8054ac61c5 in KWin::ZoomEffect::paintScreen (this=0xcb7140,
mask=32, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects/zoom/zoom.cpp:324
#173 0x00000030d73071ff in KWin::EffectsHandlerImpl::paintScreen
(this=0xbd6500, mask=32, region=..., data=...) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/effects.cpp:212
#174 0x00000030d72de67e in KWin::Scene::paintScreen (this=0xac40f0,
mask=0x7fffa7d0371c, region=0x7fffa7d03860) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/scene.cpp:136
#175 0x00000030d72fb002 in KWin::SceneOpenGL::paint (this=0xac40f0, damage=...,
toplevels=<optimized out>) at
/var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/scene_opengl_glx.cpp:455
#176 0x00000030d72d94e1 in KWin::Workspace::performCompositing (this=0x646510)
at /var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/composite.cpp:427
#177 0x0000003002f6f319 in QObject::event (this=0x646510, e=<optimized out>) at
kernel/qobject.cpp:1181
#178 0x00000030081b53c4 in QApplicationPrivate::notify_helper (this=0x68ef80,
receiver=0x646510, e=0x7fffa7d03ff0) at kernel/qapplication.cpp:4462
#179 0x00000030081b9f2a in QApplication::notify (this=<optimized out>,
receiver=0x646510, e=0x7fffa7d03ff0) at kernel/qapplication.cpp:4341
#180 0x0000003014a6fc06 in KApplication::notify (this=0x7fffa7d04410,
receiver=0x646510, event=0x7fffa7d03ff0) at
/var/tmp/portage/kde-base/kdelibs-4.7.0-r1/work/kdelibs-4.7.0/kdeui/kernel/kapplication.cpp:311
 #181 0x0000003002f5b39b in QCoreApplication::notifyInternal
(this=0x7fffa7d04410, receiver=0x646510, event=0x7fffa7d03ff0) at
kernel/qcoreapplication.cpp:731
#182 0x0000003002f88aae in sendEvent (event=0x7fffa7d03ff0, receiver=<optimized
out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#183 QTimerInfoList::activateTimers (this=0x68fba0) at
kernel/qeventdispatcher_unix.cpp:604
#184 0x0000003002f88bf0 in QEventDispatcherUNIX::processEvents (this=0x68e020,
flags=...) at kernel/qeventdispatcher_unix.cpp:923
#185 0x000000300825b2ab in QEventDispatcherX11::processEvents (this=0x68e020,
flags=...) at kernel/qeventdispatcher_x11.cpp:152
#186 0x0000003002f5a762 in QEventLoop::processEvents (this=<optimized out>,
flags=...) at kernel/qeventloop.cpp:149
#187 0x0000003002f5a9a4 in QEventLoop::exec (this=0x7fffa7d04330, flags=...) at
kernel/qeventloop.cpp:201
#188 0x0000003002f5ee3b in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1008
#189 0x00000030d7263536 in kdemain (argc=<optimized out>, argv=<optimized out>)
at /var/tmp/portage/kde-base/kwin-4.7.0/work/kwin-4.7.0/kwin/main.cpp:514
#190 0x000000300161eebd in __libc_start_main () from /lib64/libc.so.6
#191 0x00000000004006c9 in _start ()

Reported using DrKonqi

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