Application: kwin (4.10.4)
KDE Platform Version: 4.10.4
Qt Version: 4.8.2
Operating System: Linux 3.2.0-48-generic x86_64
Distribution: Ubuntu 12.04.2 LTS

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

pc was idle only korganizer open, after moving mouse crash appeared

-- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f752ebd47c0 (LWP 1728))]

Thread 3 (Thread 0x7f750273e700 (LWP 1740)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f752ac9d222 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f752ac9d259 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f752248ce9a in start_thread (arg=0x7f750273e700) at pthread_create.c:308
#4  0x00007f752e3deccd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f7512c56700 (LWP 2262)):
#0  0x00007f752e3d8033 in select () at ../sysdeps/unix/syscall-template.S:82
#1  0x00007f75297c6866 in qt_safe_select (nfds=15, fdread=0x7f750c000ac8, fdwrite=0x7f750c000d60, fdexcept=0x7f750c000ff8, orig_timeout=<optimized out>) at kernel/qcore_unix.cpp:83
#2  0x00007f75297cbcb2 in QEventDispatcherUNIXPrivate::doSelect (this=0x7f750c000910, flags=..., timeout=0x0) at kernel/qeventdispatcher_unix.cpp:223
#3  0x00007f75297cc1a3 in QEventDispatcherUNIX::processEvents (this=0x7f750c0008f0, flags=...) at kernel/qeventdispatcher_unix.cpp:926
#4  0x00007f7529798e62 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f75297990b7 in QEventLoop::exec (this=0x7f7512c55d90, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f7529698077 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f7529778b6f in QInotifyFileSystemWatcherEngine::run (this=0x1c7acc0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f752969b09b in QThreadPrivate::start (arg=0x1c7acc0) at thread/qthread_unix.cpp:307
#9  0x00007f752248ce9a in start_thread (arg=0x7f7512c56700) at pthread_create.c:308
#10 0x00007f752e3deccd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f752ebd47c0 (LWP 1728)):
[KCrash Handler]
#6  gen7_update_renderbuffer_surface (brw=0x1d85f00, rb=0x1d42080, unit=0) at gen7_wm_surface_state.c:471
#7  0x00007f75107d4800 in brw_update_renderbuffer_surfaces (brw=0x1d85f00) at brw_wm_surface_state.c:1205
#8  0x00007f75107bd8b2 in brw_upload_state (brw=0x1d85f00) at brw_state_upload.c:498
#9  0x00007f75107aa7c7 in brw_try_draw_prims (max_index=<optimized out>, min_index=<optimized out>, ib=0x7fff796fbf28, nr_prims=31011464, prim=0x7fff796fbf10, arrays=<optimized out>, ctx=0x1d85f00) at brw_draw.c:493
#10 brw_draw_prims (ctx=0x1d85f00, prim=0x7fff796fbf10, nr_prims=31011464, ib=0x7fff796fbf28, index_bounds_valid=<optimized out>, min_index=0, max_index=35, tfb_vertcount=0x0) at brw_draw.c:589
#11 0x00007f75103274c9 in vbo_draw_arrays (ctx=0x1d85f00, mode=4, start=0, count=<optimized out>, numInstances=1, baseInstance=<optimized out>) at ../../../../../src/mesa/vbo/vbo_exec_array.c:645
#12 0x00007f752a4c0e4c in KWin::GLVertexBufferPrivate::corePainting (this=0x1f8faa0, region=..., primitiveMode=4, hardwareClipping=false) at ../../../kwin/libkwineffects/kwinglutils.cpp:1254
#13 0x00007f752a4c10cd in KWin::GLVertexBuffer::render (this=0x1f8dbd0, region=..., primitiveMode=4, hardwareClipping=false) at ../../../kwin/libkwineffects/kwinglutils.cpp:1363
#14 0x00007f752a4c1152 in KWin::GLVertexBuffer::render (this=0x1f8dbd0, primitiveMode=4) at ../../../kwin/libkwineffects/kwinglutils.cpp:1355
#15 0x00007f752e77503a in KWin::SceneOpenGL2::doPaintBackground (this=<optimized out>, vertices=...) at ../../kwin/scene_opengl.cpp:529
#16 0x00007f752e7785c6 in KWin::SceneOpenGL::paintBackground (this=0x1f8fc80, region=...) at ../../kwin/scene_opengl.cpp:364
#17 0x00007f752e7684bd in KWin::Scene::paintSimpleScreen (this=0x1f8fc80, orig_mask=0, region=...) at ../../kwin/scene.cpp:331
#18 0x00007f752e766ff2 in KWin::Scene::finalPaintScreen (this=0x1f8fc80, mask=0, region=..., data=...) at ../../kwin/scene.cpp:186
#19 0x00007f752e78b004 in KWin::EffectsHandlerImpl::paintScreen (this=0x208e730, mask=0, region=..., data=...) at ../../kwin/effects.cpp:254
#20 0x00007f752cb7bb58 in KWin::Effect::paintScreen (this=<optimized out>, mask=0, region=..., data=...) at ../../../kwin/libkwineffects/kwineffects.cpp:489
#21 0x00007f752e78afab in KWin::EffectsHandlerImpl::paintScreen (this=0x208e730, mask=0, region=..., data=...) at ../../kwin/effects.cpp:251
#22 0x00007f752e76901a in KWin::Scene::paintScreen (this=0x1f8fc80, mask=0x7fff796fc6c8, region=0x7fff796fc810) at ../../kwin/scene.cpp:140
#23 0x00007f752e77cf33 in KWin::SceneOpenGL::paint (this=0x1f8fc80, damage=..., toplevels=...) at ../../kwin/scene_opengl.cpp:308
#24 0x00007f752e7619c9 in performCompositing (this=0x1c06250) at ../../kwin/composite.cpp:610
#25 KWin::Compositor::performCompositing (this=0x1c06250) at ../../kwin/composite.cpp:541
#26 0x00007f75297b3679 in QObject::event (this=0x1c06250, e=<optimized out>) at kernel/qobject.cpp:1157
#27 0x00007f7528b1b7b4 in notify_helper (e=0x7fff796fced0, receiver=0x1c06250, this=0x1b780c0) at kernel/qapplication.cpp:4556
#28 QApplicationPrivate::notify_helper (this=0x1b780c0, receiver=0x1c06250, e=0x7fff796fced0) at kernel/qapplication.cpp:4528
#29 0x00007f7528b20583 in QApplication::notify (this=0x7fff796fd2b0, receiver=0x1c06250, e=0x7fff796fced0) at kernel/qapplication.cpp:4417
#30 0x00007f752deb7006 in KApplication::notify (this=0x7fff796fd2b0, receiver=0x1c06250, event=0x7fff796fced0) at ../../kdeui/kernel/kapplication.cpp:311
#31 0x00007f752979a32c in QCoreApplication::notifyInternal (this=0x7fff796fd2b0, receiver=0x1c06250, event=0x7fff796fced0) at kernel/qcoreapplication.cpp:915
#32 0x00007f75297cb6f2 in sendEvent (event=0x7fff796fced0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#33 QTimerInfoList::activateTimers (this=0x1b78c78) at kernel/qeventdispatcher_unix.cpp:611
#34 0x00007f75297cc1b4 in QEventDispatcherUNIX::processEvents (this=0x1b29ad0, flags=...) at kernel/qeventdispatcher_unix.cpp:930
#35 0x00007f7528bc4b78 in QEventDispatcherX11::processEvents (this=0x1b29ad0, flags=...) at kernel/qeventdispatcher_x11.cpp:152
#36 0x00007f7529798e62 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#37 0x00007f75297990b7 in QEventLoop::exec (this=0x7fff796fd230, flags=...) at kernel/qeventloop.cpp:204
#38 0x00007f752979e407 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#39 0x00007f752e71305b in kdemain (argc=<optimized out>, argv=<optimized out>) at ../../kwin/main.cpp:537
#40 0x00007f752e30c76d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fff796fd9a8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff796fd998) at libc-start.c:226
#41 0x0000000000400671 in _start ()

Possible duplicates by query: bug 319758, bug 317796, bug 314196, bug 314018, bug 313416.

Reported using DrKonqi