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 10.10

-- Information about the crash:
- What I was doing when the application crashed:
I was trying to activate the desktop effects when the application crashed saying that kwin found an error and had to be closed

The crash can be reproduced every time.

-- Backtrace:
Application: KWin (kwin), signal: Aborted
[Current thread is 1 (Thread 0x7f9a97d0f780 (LWP 2160))]

Thread 2 (Thread 0x7f9a74c40710 (LWP 2166)):
#0  0x00007f9a9758a2b3 in select () at ../sysdeps/unix/syscall-template.S:82
#1  0x00007f9a93e6476e in qt_safe_select (nfds=19, fdread=0x136c910, fdwrite=0x136cba8, fdexcept=0x136ce40, orig_timeout=0x0) at kernel/qcore_unix.cpp:82
#2  0x00007f9a93e69beb in QEventDispatcherUNIXPrivate::doSelect (this=0x136c750, flags=<value optimized out>, timeout=<value optimized out>) at kernel/qeventdispatcher_unix.cpp:219
#3  0x00007f9a93e6a81b in QEventDispatcherUNIX::processEvents (this=0x134b250, flags=) at kernel/qeventdispatcher_unix.cpp:919
#4  0x00007f9a93e39a02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007f9a93e39dec in QEventLoop::exec (this=0x7f9a74c3fd90, flags=) at kernel/qeventloop.cpp:201
#6  0x00007f9a93d442fd in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#7  0x00007f9a93e195f8 in QInotifyFileSystemWatcherEngine::run (this=0x12f27b0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f9a93d4727e in QThreadPrivate::start (arg=0x12f27b0) at thread/qthread_unix.cpp:266
#9  0x00007f9a93abc971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#10 0x00007f9a9759191d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f9a97d0f780 (LWP 2160)):
[KCrash Handler]
#6  0x00007f9a974deba5 in raise (sig=<value optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#7  0x00007f9a974e26b0 in abort () at abort.c:92
#8  0x00007f9a974d7a71 in __assert_fail (assertion=0x7f9a80c54592 "b >= 0", file=<value optimized out>, line=43, function=0x7f9a80c54620 "bytes_per_pixel") at assert.c:81
#9  0x00007f9a80ad4488 in ?? () from /usr/lib/dri/r600_dri.so
#10 0x00007f9a80ad589b in ?? () from /usr/lib/dri/r600_dri.so
#11 0x00007f9a80ada2c4 in ?? () from /usr/lib/dri/r600_dri.so
#12 0x00007f9a80a6d4cb in ?? () from /usr/lib/dri/r600_dri.so
#13 0x00007f9a80ab0bce in ?? () from /usr/lib/dri/r600_dri.so
#14 0x00007f9a95ecf944 in KWin::GLTexture::enableFilter (this=0x1414f70) at ../../../kwin/lib/kwinglutils.cpp:643
#15 0x00007f9a978f341d in KWin::SceneOpenGL::Texture::bind (this=0x1414f70) at ../../kwin/scene_opengl.cpp:1271
#16 0x00007f9a95ecf969 in KWin::GLTexture::setWrapMode (this=0x870, mode=2160) at ../../../kwin/lib/kwinglutils.cpp:619
#17 0x00007f9a978f5cc6 in KWin::SceneOpenGL::Window::paintDecoration (this=0x1414e20, decoration=0x13df118, decorationType=KWin::SceneOpenGL::Window::DecorationBottom, region=<value optimized out>, rect=<value optimized out>, data=..., quads=..., updateDeco=true) at ../../kwin/scene_opengl.cpp:1588
#18 0x00007f9a978f7f11 in KWin::SceneOpenGL::Window::performPaint (this=0x1414e20, mask=38, region=) at ../../kwin/scene_opengl.cpp:1514
#19 0x00007f9a978e7d23 in KWin::Scene::finalDrawWindow (this=<value optimized out>, w=<value optimized out>, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../kwin/scene.cpp:330
#20 0x00007f9a979007a9 in KWin::EffectsHandlerImpl::drawWindow (this=<value optimized out>, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:232
#21 0x00007f9a95ec380c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#22 0x00007f9a97900848 in KWin::EffectsHandlerImpl::drawWindow (this=0x11bf9d0, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:228
#23 0x00007f9a76d28bc6 in KWin::ShadowEffect::drawWindow (this=<value optimized out>, w=0x13e1820, mask=<value optimized out>, region=<value optimized out>, data=...) at ../../../kwin/effects/shadow/shadow.cpp:250
#24 0x00007f9a97900848 in KWin::EffectsHandlerImpl::drawWindow (this=0x11bf9d0, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:228
#25 0x00007f9a95ec380c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#26 0x00007f9a97900848 in KWin::EffectsHandlerImpl::drawWindow (this=0x11bf9d0, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:228
#27 0x00007f9a95ec380c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#28 0x00007f9a97900848 in KWin::EffectsHandlerImpl::drawWindow (this=0x11bf9d0, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:228
#29 0x00007f9a95ec380c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#30 0x00007f9a97900848 in KWin::EffectsHandlerImpl::drawWindow (this=0x11bf9d0, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:228
#31 0x00007f9a95ec380c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#32 0x00007f9a97900848 in KWin::EffectsHandlerImpl::drawWindow (this=0x11bf9d0, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:228
#33 0x00007f9a95ec380c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#34 0x00007f9a97900848 in KWin::EffectsHandlerImpl::drawWindow (this=0x11bf9d0, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:228
#35 0x00007f9a95ec380c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#36 0x00007f9a97900848 in KWin::EffectsHandlerImpl::drawWindow (this=0x11bf9d0, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:228
#37 0x00007f9a95ec380c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#38 0x00007f9a97900848 in KWin::EffectsHandlerImpl::drawWindow (this=0x11bf9d0, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:228
#39 0x00007f9a95ec380c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#40 0x00007f9a97900848 in KWin::EffectsHandlerImpl::drawWindow (this=0x11bf9d0, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:228
#41 0x00007f9a95ec380c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#42 0x00007f9a97900848 in KWin::EffectsHandlerImpl::drawWindow (this=0x11bf9d0, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:228
#43 0x00007f9a95ec380c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#44 0x00007f9a97900848 in KWin::EffectsHandlerImpl::drawWindow (this=0x11bf9d0, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:228
#45 0x00007f9a95ec380c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#46 0x00007f9a97900848 in KWin::EffectsHandlerImpl::drawWindow (this=0x11bf9d0, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:228
#47 0x00007f9a95ec380c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#48 0x00007f9a97900848 in KWin::EffectsHandlerImpl::drawWindow (this=0x11bf9d0, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:228
#49 0x00007f9a95ec380c in KWin::Effect::drawWindow (this=<value optimized out>, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:252
#50 0x00007f9a97900848 in KWin::EffectsHandlerImpl::drawWindow (this=0x11bf9d0, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:228
#51 0x00007f9a978e69cc in KWin::Scene::finalPaintWindow (this=<value optimized out>, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../kwin/scene.cpp:321
#52 0x00007f9a979008c9 in KWin::EffectsHandlerImpl::paintWindow (this=<value optimized out>, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:203
#53 0x00007f9a76d082c5 in KWin::LogoutEffect::paintWindow (this=<value optimized out>, w=0x13e1820, mask=38, region=) at ../../../kwin/effects/logout/logout.cpp:198
#54 0x00007f9a97900968 in KWin::EffectsHandlerImpl::paintWindow (this=0x11bf9d0, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:199
#55 0x00007f9a95ec389c in KWin::Effect::paintWindow (this=<value optimized out>, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:242
#56 0x00007f9a97900968 in KWin::EffectsHandlerImpl::paintWindow (this=0x11bf9d0, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:199
#57 0x00007f9a76d339c7 in KWin::TaskbarThumbnailEffect::paintWindow (this=0x1232520, w=0x13e1820, mask=38, region=<value optimized out>, data=...) at ../../../kwin/effects/taskbarthumbnail/taskbarthumbnail.cpp:70
#58 0x00007f9a97900968 in KWin::EffectsHandlerImpl::paintWindow (this=0x11bf9d0, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:199
#59 0x00007f9a76cfcadd in KWin::DialogParentEffect::paintWindow (this=<value optimized out>, w=0x13e1820, mask=38, region=) at ../../../kwin/effects/dialogparent/dialogparent.cpp:70
#60 0x00007f9a97900968 in KWin::EffectsHandlerImpl::paintWindow (this=0x11bf9d0, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:199
#61 0x00007f9a76d2e7ca in KWin::SlideBackEffect::paintWindow (this=0x121d670, w=0x13e1820, mask=<value optimized out>, region=) at ../../../kwin/effects/slideback/slideback.cpp:227
#62 0x00007f9a97900968 in KWin::EffectsHandlerImpl::paintWindow (this=0x11bf9d0, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:199
#63 0x00007f9a76d2d374 in KWin::SlideEffect::paintWindow (this=<value optimized out>, w=0x13e1820, mask=38, region=) at ../../../kwin/effects/slide/slide.cpp:165
#64 0x00007f9a97900968 in KWin::EffectsHandlerImpl::paintWindow (this=0x11bf9d0, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:199
#65 0x00007f9a76d43790 in KWin::CubeEffect::paintWindow (this=0x120c4a0, w=0x13e1820, mask=38, region=<value optimized out>, data=...) at ../../../kwin/effects/cube/cube.cpp:1580
#66 0x00007f9a97900968 in KWin::EffectsHandlerImpl::paintWindow (this=0x11bf9d0, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:199
#67 0x00007f9a76d2172e in KWin::ScaleInEffect::paintWindow (this=<value optimized out>, w=0x13e1820, mask=<value optimized out>, region=) at ../../../kwin/effects/scalein/scalein.cpp:59
#68 0x00007f9a97900968 in KWin::EffectsHandlerImpl::paintWindow (this=0x11bf9d0, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:199
#69 0x00007f9a76d0bbaf in KWin::TranslucencyEffect::paintWindow (this=<value optimized out>, w=0x13e1820, mask=38, region=) at ../../../kwin/effects/translucency/translucency.cpp:180
#70 0x00007f9a97900968 in KWin::EffectsHandlerImpl::paintWindow (this=0x11bf9d0, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:199
#71 0x00007f9a76d0d4fd in KWin::MinimizeAnimationEffect::paintWindow (this=<value optimized out>, w=0x13e1820, mask=38, region=) at ../../../kwin/effects/minimizeanimation/minimizeanimation.cpp:103
#72 0x00007f9a97900968 in KWin::EffectsHandlerImpl::paintWindow (this=0x11bf9d0, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:199
#73 0x00007f9a76d3bb0d in KWin::CoverSwitchEffect::paintWindow (this=<value optimized out>, w=0x13e1820, mask=38, region=) at ../../../kwin/effects/coverswitch/coverswitch.cpp:500
#74 0x00007f9a97900968 in KWin::EffectsHandlerImpl::paintWindow (this=0x11bf9d0, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:199
#75 0x00007f9a76d6cd2f in KWin::WobblyWindowsEffect::paintWindow (this=<value optimized out>, w=0x13e1820, mask=<value optimized out>, region=<value optimized out>, data=...) at ../../../kwin/effects/wobblywindows/wobblywindows.cpp:357
#76 0x00007f9a97900968 in KWin::EffectsHandlerImpl::paintWindow (this=0x11bf9d0, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:199
#77 0x00007f9a76d06fa3 in KWin::LoginEffect::paintWindow (this=<value optimized out>, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/effects/login/login.cpp:69
#78 0x00007f9a97900968 in KWin::EffectsHandlerImpl::paintWindow (this=0x11bf9d0, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:199
#79 0x00007f9a76cfe6f5 in KWin::DimScreenEffect::paintWindow (this=<value optimized out>, w=0x13e1820, mask=38, region=) at ../../../kwin/effects/dimscreen/dimscreen.cpp:88
#80 0x00007f9a97900968 in KWin::EffectsHandlerImpl::paintWindow (this=0x11bf9d0, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:199
#81 0x00007f9a95ec389c in KWin::Effect::paintWindow (this=<value optimized out>, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../../kwin/lib/kwineffects.cpp:242
#82 0x00007f9a97900968 in KWin::EffectsHandlerImpl::paintWindow (this=0x11bf9d0, w=0x13e1820, mask=38, region=<value optimized out>, data=<value optimized out>) at ../../kwin/effects.cpp:199
#83 0x00007f9a978e7f6c in KWin::Scene::paintWindow (this=<value optimized out>, w=0x1414e20, mask=38, region=) at ../../kwin/scene.cpp:315
#84 0x00007f9a978e94ff in KWin::Scene::paintGenericScreen (this=0x9d0590, orig_mask=<value optimized out>) at ../../kwin/scene.cpp:213
#85 0x00007f9a978e6aaa in KWin::Scene::finalPaintScreen (this=0x9d0590, mask=32, region=<value optimized out>, data=...) at ../../kwin/scene.cpp:177
#86 0x00007f9a979009e6 in KWin::EffectsHandlerImpl::paintScreen (this=<value optimized out>, mask=32, region=) at ../../kwin/effects.cpp:172
#87 0x00007f9a76d086ef in KWin::LogoutEffect::paintScreen (this=0x1232840, mask=32, region=<value optimized out>, data=...) at ../../../kwin/effects/logout/logout.cpp:207
#88 0x00007f9a97900a7e in KWin::EffectsHandlerImpl::paintScreen (this=0x11bf9d0, mask=32, region=) at ../../kwin/effects.cpp:168
#89 0x00007f9a76d2877c in KWin::ShadowEffect::paintScreen (this=0x1215fe0, mask=32, region=) at ../../../kwin/effects/shadow/shadow.cpp:189
#90 0x00007f9a97900a7e in KWin::EffectsHandlerImpl::paintScreen (this=0x11bf9d0, mask=32, region=) at ../../kwin/effects.cpp:168
#91 0x00007f9a95ec391f in KWin::Effect::paintScreen (this=<value optimized out>, mask=32, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227
#92 0x00007f9a97900a7e in KWin::EffectsHandlerImpl::paintScreen (this=0x11bf9d0, mask=32, region=) at ../../kwin/effects.cpp:168
#93 0x00007f9a95ec391f in KWin::Effect::paintScreen (this=<value optimized out>, mask=32, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227
#94 0x00007f9a97900a7e in KWin::EffectsHandlerImpl::paintScreen (this=0x11bf9d0, mask=32, region=) at ../../kwin/effects.cpp:168
#95 0x00007f9a95ec391f in KWin::Effect::paintScreen (this=<value optimized out>, mask=32, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227
#96 0x00007f9a97900a7e in KWin::EffectsHandlerImpl::paintScreen (this=0x11bf9d0, mask=32, region=) at ../../kwin/effects.cpp:168
#97 0x00007f9a76d2dba5 in KWin::SlideEffect::paintScreen (this=<value optimized out>, mask=<value optimized out>, region=<value optimized out>, data=...) at ../../../kwin/effects/slide/slide.cpp:86
#98 0x00007f9a97900a7e in KWin::EffectsHandlerImpl::paintScreen (this=0x11bf9d0, mask=32, region=) at ../../kwin/effects.cpp:168
#99 0x00007f9a76d47512 in KWin::CubeEffect::paintScreen (this=<value optimized out>, mask=32, region=) at ../../../kwin/effects/cube/cube.cpp:697
#100 0x00007f9a97900a7e in KWin::EffectsHandlerImpl::paintScreen (this=0x11bf9d0, mask=32, region=) at ../../kwin/effects.cpp:168
#101 0x00007f9a95ec391f in KWin::Effect::paintScreen (this=<value optimized out>, mask=32, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227
#102 0x00007f9a97900a7e in KWin::EffectsHandlerImpl::paintScreen (this=0x11bf9d0, mask=32, region=) at ../../kwin/effects.cpp:168
#103 0x00007f9a95ec391f in KWin::Effect::paintScreen (this=<value optimized out>, mask=32, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227
#104 0x00007f9a97900a7e in KWin::EffectsHandlerImpl::paintScreen (this=0x11bf9d0, mask=32, region=) at ../../kwin/effects.cpp:168
#105 0x00007f9a95ec391f in KWin::Effect::paintScreen (this=<value optimized out>, mask=32, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227
#106 0x00007f9a97900a7e in KWin::EffectsHandlerImpl::paintScreen (this=0x11bf9d0, mask=32, region=) at ../../kwin/effects.cpp:168
#107 0x00007f9a76d3de34 in KWin::CoverSwitchEffect::paintScreen (this=0x1242ca0, mask=32, region=<value optimized out>, data=...) at ../../../kwin/effects/coverswitch/coverswitch.cpp:124
#108 0x00007f9a97900a7e in KWin::EffectsHandlerImpl::paintScreen (this=0x11bf9d0, mask=32, region=) at ../../kwin/effects.cpp:168
#109 0x00007f9a95ec391f in KWin::Effect::paintScreen (this=<value optimized out>, mask=32, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227
#110 0x00007f9a97900a7e in KWin::EffectsHandlerImpl::paintScreen (this=0x11bf9d0, mask=32, region=) at ../../kwin/effects.cpp:168
#111 0x00007f9a95ec391f in KWin::Effect::paintScreen (this=<value optimized out>, mask=32, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227
#112 0x00007f9a97900a7e in KWin::EffectsHandlerImpl::paintScreen (this=0x11bf9d0, mask=32, region=) at ../../kwin/effects.cpp:168
#113 0x00007f9a95ec391f in KWin::Effect::paintScreen (this=<value optimized out>, mask=32, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227
#114 0x00007f9a97900a7e in KWin::EffectsHandlerImpl::paintScreen (this=0x11bf9d0, mask=32, region=) at ../../kwin/effects.cpp:168
#115 0x00007f9a76d36fe1 in KWin::ZoomEffect::paintScreen (this=<value optimized out>, mask=32, region=) at ../../../kwin/effects/zoom/zoom.cpp:73
#116 0x00007f9a97900a7e in KWin::EffectsHandlerImpl::paintScreen (this=0x11bf9d0, mask=32, region=) at ../../kwin/effects.cpp:168
#117 0x00007f9a978e8195 in KWin::Scene::paintScreen (this=0x9d0590, mask=0x7fffc052978c, region=0x7fffc05298b0) at ../../kwin/scene.cpp:137
#118 0x00007f9a978f9450 in KWin::SceneOpenGL::paint (this=0x9d0590, damage=<value optimized out>, toplevels=<value optimized out>) at ../../kwin/scene_opengl.cpp:754
#119 0x00007f9a978e32a7 in KWin::Workspace::performCompositing (this=<value optimized out>) at ../../kwin/composite.cpp:454
#120 0x00007f9a978647dd in KWin::Workspace::qt_metacall (this=0x7f9a7c00fc70, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffc0529a60) at ./workspace.moc:583
#121 0x00007f9a93e52b27 in QMetaObject::activate (sender=0x7f9a7c010138, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0xffffffffffffffff) at kernel/qobject.cpp:3280
#122 0x00007f9a93e4c8f9 in QObject::event (this=0x7f9a7c010138, e=0x870) at kernel/qobject.cpp:1183
#123 0x00007f9a92f84fdc in QApplicationPrivate::notify_helper (this=0x7bddb0, receiver=0x7f9a7c010138, e=0x7fffc052a1b0) at kernel/qapplication.cpp:4396
#124 0x00007f9a92f8aaed in QApplication::notify (this=0x7fffc052a5a0, receiver=0x7f9a7c010138, e=0x7fffc052a1b0) at kernel/qapplication.cpp:4277
#125 0x00007f9a9708d156 in KApplication::notify (this=0x7fffc052a5a0, receiver=0x7f9a7c010138, event=0x7fffc052a1b0) at ../../kdeui/kernel/kapplication.cpp:310
#126 0x00007f9a93e3acdc in QCoreApplication::notifyInternal (this=0x7fffc052a5a0, receiver=0x7f9a7c010138, event=0x7fffc052a1b0) at kernel/qcoreapplication.cpp:732
#127 0x00007f9a93e6a6f2 in sendEvent (this=0x7be7c0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#128 QTimerInfoList::activateTimers (this=0x7be7c0) at kernel/qeventdispatcher_unix.cpp:602
#129 0x00007f9a93e6a82c in QEventDispatcherUNIX::processEvents (this=0x79a6e0, flags=) at kernel/qeventdispatcher_unix.cpp:923
#130 0x00007f9a93038c2f in QEventDispatcherX11::processEvents (this=<value optimized out>, flags=) at kernel/qeventdispatcher_x11.cpp:152
#131 0x00007f9a93e39a02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#132 0x00007f9a93e39dec in QEventLoop::exec (this=0x7fffc052a4e0, flags=) at kernel/qeventloop.cpp:201
#133 0x00007f9a93e3debb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#134 0x00007f9a97880f9d in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../kwin/main.cpp:531
#135 0x00007f9a974c9d8e 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=0x7fffc052aba8) at libc-start.c:226
#136 0x0000000000400669 in _start ()

Possible duplicates by query: bug 243767.

Reported using DrKonqi