Application: kwin (4.8.3 (4.8.3))
KDE Platform Version: 4.8.4 (4.8.4)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-26-generic i686
Distribution: Ubuntu 12.04 LTS

-- Information about the crash:
- What I was doing when the application crashed: started libreoffice application then after about 5 to 10 seconds I lose my panels and K button

The crash can be reproduced every time.

-- Backtrace:
Application: KWin (kwin), signal: Aborted
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb77a6740 (LWP 3225))]

Thread 3 (Thread 0xb3611b40 (LWP 3229)):
#0  0x00c22dcd in clock_gettime () from /lib/i386-linux-gnu/librt.so.1
#1  0x047d7315 in do_gettime (frac=0xb3610fe0, sec=0xb3610fd8) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x048c1226 in QTimerInfoList::updateCurrentTime (this=0x8636704) at kernel/qeventdispatcher_unix.cpp:343
#4  0x048c2c2b in QEventDispatcherUNIXPrivate::doSelect (this=0x8636068, flags=..., timeout=0x0) at kernel/qeventdispatcher_unix.cpp:186
#5  0x048c31f4 in QEventDispatcherUNIX::processEvents (this=0x8636018, flags=...) at kernel/qeventdispatcher_unix.cpp:926
#6  0x0488c50d in QEventLoop::processEvents (this=0xb3611240, flags=...) at kernel/qeventloop.cpp:149
#7  0x0488c7a9 in QEventLoop::exec (this=0xb3611240, flags=...) at kernel/qeventloop.cpp:204
#8  0x0477594c in QThread::exec (this=0x85dc678) at thread/qthread.cpp:501
#9  0x04869b5d in QInotifyFileSystemWatcherEngine::run (this=0x85dc678) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x04778de0 in QThreadPrivate::start (arg=0x85dc678) at thread/qthread_unix.cpp:298
#11 0x00c0ad4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0x002aface in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0xb2e10b40 (LWP 3230)):
#0  0x00c3d416 in __kernel_vsyscall ()
#1  0x00c0e96b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x002bd3dc in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x06441029 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#4  0x0644106f in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#5  0x00c0ad4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#6  0x002aface in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb77a6740 (LWP 3225)):
[KCrash Handler]
#7  0x00c3d416 in __kernel_vsyscall ()
#8  0x001f31ef in raise () from /lib/i386-linux-gnu/libc.so.6
#9  0x001f6835 in abort () from /lib/i386-linux-gnu/libc.so.6
#10 0x001ec095 in ?? () from /lib/i386-linux-gnu/libc.so.6
#11 0x001ec147 in __assert_fail () from /lib/i386-linux-gnu/libc.so.6
#12 0x05e0baaa in do_bo_emit_reloc (bo=0x8695fb0, offset=<optimized out>, target_bo=0x85ce5f8, target_offset=0, read_domains=4, write_domain=0, need_fence=false) at ../../intel/intel_bufmgr_gem.c:1579
#13 0x05e062c8 in drm_intel_bo_emit_reloc (bo=0x8695fb0, offset=21996, target_bo=0x85ce5f8, target_offset=0, read_domains=4, write_domain=0) at ../../intel/intel_bufmgr.c:181
#14 0x05db278e in intel_batchbuffer_emit_reloc (intel=0x8402f98, buffer=0x85ce5f8, read_domains=4, write_domain=0, delta=0) at intel_batchbuffer.c:235
#15 0x05daf28c in i830_emit_state (intel=0x8402f98) at i830_vtbl.c:542
#16 0x05dd4754 in intelRenderStart (ctx=0x8402f98) at intel_tris.c:1109
#17 0x05fcdabe in run_render (ctx=0x8402f98, stage=0x8400dc8) at tnl/t_vb_render.c:276
#18 0x05fc1497 in _tnl_run_pipeline (ctx=0x8402f98) at tnl/t_pipeline.c:163
#19 0x05deab2a in intelRunPipeline (ctx=0x8402f98) at intel_tris.c:1095
#20 0x05fc1dc7 in _tnl_draw_prims (ctx=0x8402f98, arrays=0x83c0490, prim=0xbfbd2ee8, nr_prims=1, ib=0x0, min_index=0, max_index=5) at tnl/t_draw.c:523
#21 0x05fc24b1 in _tnl_vbo_draw_prims (ctx=0x8402f98, arrays=0x83c0490, prim=0xbfbd2ee8, nr_prims=1, ib=0x0, index_bounds_valid=1 '\001', min_index=0, max_index=5, tfb_vertcount=0x0) at tnl/t_draw.c:423
#22 0x05fb069e in vbo_draw_arrays (ctx=0x8402f98, mode=4, start=0, count=6, numInstances=1) at vbo/vbo_exec_array.c:600
#23 0x00858f27 in KWin::GLVertexBufferPrivate::fallbackPainting (this=0x84def78, region=..., primitiveMode=4) at ../../../kwin/libkwineffects/kwinglutils.cpp:1218
#24 0x0085a916 in KWin::GLVertexBuffer::render (this=0x8402af8, region=..., primitiveMode=4) at ../../../kwin/libkwineffects/kwinglutils.cpp:1300
#25 0x00aa0667 in renderQuads (normalized=false, tex=0x86c0608, quads=..., region=..., this=<optimized out>) at ../../kwin/scene_opengl.cpp:788
#26 KWin::SceneOpenGL::Window::renderQuads (this=0x86c05e8, region=..., quads=..., tex=0x86c0608, normalized=false) at ../../kwin/scene_opengl.cpp:768
#27 0x00aa7d37 in KWin::SceneOpenGL::Window::performPaint (this=0x86c05e8, mask=9, region=..., data=...) at ../../kwin/scene_opengl.cpp:592
#28 0x00a8e2b7 in KWin::Scene::finalDrawWindow (this=0x8564078, w=0x85cae70, mask=9, region=..., data=...) at ../../kwin/scene.cpp:438
#29 0x00ab544a in KWin::EffectsHandlerImpl::drawWindow (this=0x84df2f0, w=0x85cae78, mask=9, region=..., data=...) at ../../kwin/effects.cpp:286
#30 0x0016c3a2 in KWin::Effect::drawWindow (this=0x85e83b0, w=0x85cae78, mask=9, region=..., data=...) at ../../../kwin/libkwineffects/kwineffects.cpp:182
#31 0x00ab53e8 in KWin::EffectsHandlerImpl::drawWindow (this=0x84df2f0, w=0x85cae78, mask=9, region=..., data=...) at ../../kwin/effects.cpp:283
#32 0x00a8d6f2 in KWin::Scene::finalPaintWindow (this=0x8564078, w=0x85cae70, mask=9, region=..., data=...) at ../../kwin/scene.cpp:429
#33 0x00ab52da in KWin::EffectsHandlerImpl::paintWindow (this=0x84df2f0, w=0x85cae78, mask=9, region=..., data=...) at ../../kwin/effects.cpp:249
#34 0x07a7fc68 in KWin::TranslucencyEffect::paintWindow (this=0x85e83b0, w=0x85cae78, mask=9, region=..., data=...) at ../../../kwin/effects/translucency/translucency.cpp:169
#35 0x00ab5278 in KWin::EffectsHandlerImpl::paintWindow (this=0x84df2f0, w=0x85cae78, mask=9, region=..., data=...) at ../../kwin/effects.cpp:246
#36 0x00a8e4de in KWin::Scene::paintWindow (this=0x8564078, w=0x86c05e8, mask=9, region=..., quads=...) at ../../kwin/scene.cpp:385
#37 0x00a8f685 in KWin::Scene::paintSimpleScreen (this=0x8564078, orig_mask=8, region=...) at ../../kwin/scene.cpp:330
#38 0x00a8d5fa in KWin::Scene::finalPaintScreen (this=0x8564078, mask=8, region=..., data=...) at ../../kwin/scene.cpp:198
#39 0x00ab5760 in KWin::EffectsHandlerImpl::paintScreen (this=0x84df2f0, mask=8, region=..., data=...) at ../../kwin/effects.cpp:222
#40 0x0016c53a in KWin::Effect::paintScreen (this=0x85e83b0, mask=8, region=..., data=...) at ../../../kwin/libkwineffects/kwineffects.cpp:142
#41 0x00ab5710 in KWin::EffectsHandlerImpl::paintScreen (this=0x84df2f0, mask=8, region=..., data=...) at ../../kwin/effects.cpp:219
#42 0x00a9016f in KWin::Scene::paintScreen (this=0x8564078, mask=0xbfbd3d04, region=0xbfbd3d98) at ../../kwin/scene.cpp:156
#43 0x00aa8909 in KWin::SceneOpenGL::paint (this=0x8564078, damage=..., toplevels=...) at ../../kwin/scene_opengl_glx.cpp:459
#44 0x00a89844 in KWin::Workspace::performCompositing (this=0x83f4140) at ../../kwin/composite.cpp:417
#45 0x048a8ac4 in QObject::event (this=0x83f4140, e=0xbfbd427c) at kernel/qobject.cpp:1157
#46 0x03702ed4 in notify_helper (e=0xbfbd427c, receiver=0x83f4140, this=0x8267770) at kernel/qapplication.cpp:4559
#47 QApplicationPrivate::notify_helper (this=0x8267770, receiver=0x83f4140, e=0xbfbd427c) at kernel/qapplication.cpp:4531
#48 0x0370830d in QApplication::notify (this=0xbfbd427c, receiver=0x83f4140, e=0xbfbd427c) at kernel/qapplication.cpp:4288
#49 0x00557401 in KApplication::notify (this=0xbfbd4588, receiver=0x83f4140, event=0xbfbd427c) at ../../kdeui/kernel/kapplication.cpp:311
#50 0x00a325ef in notify (e=0xbfbd427c, o=0x83f4140, this=0xbfbd4588) at ../../kwin/main.cpp:368
#51 KWin::Application::notify (this=0xbfbd4588, o=0x83f4140, e=0xbfbd427c) at ../../kwin/main.cpp:364
#52 0x0488d97e in QCoreApplication::notifyInternal (this=0xbfbd4588, receiver=0x83f4140, event=0xbfbd427c) at kernel/qcoreapplication.cpp:876
#53 0x048c2990 in sendEvent (event=0xbfbd427c, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#54 QTimerInfoList::activateTimers (this=0x8268134) at kernel/qeventdispatcher_unix.cpp:611
#55 0x048c3207 in QEventDispatcherUNIX::processEvents (this=0x8267428, flags=...) at kernel/qeventdispatcher_unix.cpp:930
#56 0x037bcb6e in QEventDispatcherX11::processEvents (this=0x8267428, flags=...) at kernel/qeventdispatcher_x11.cpp:152
#57 0x0488c50d in QEventLoop::processEvents (this=0xbfbd44c4, flags=...) at kernel/qeventloop.cpp:149
#58 0x0488c7a9 in QEventLoop::exec (this=0xbfbd44c4, flags=...) at kernel/qeventloop.cpp:204
#59 0x04891eba in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#60 0x03700a74 in QApplication::exec () at kernel/qapplication.cpp:3820
#61 0x00a355b5 in kdemain (argc=1, argv=0xbfbd4834) at ../../kwin/main.cpp:541
#62 0x0804850b in main (argc=1, argv=0xbfbd4834) at kwin_dummy.cpp:3

Possible duplicates by query: bug 300616, bug 299561, bug 299557, bug 297348, bug 296496.

Reported using DrKonqi