Application: kwin (4.10.1)
KDE Platform Version: 4.10.1
Qt Version: 4.8.4
Operating System: Linux 3.8.6-203.fc18.x86_64 x86_64
Distribution (Platform): Fedora RPMs

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

xscreensaver had just kicked when I moved the mouse to unlock it the crash happened.

The crash can be reproduced sometimes.

-- Backtrace:
Application: KWin (kwin), signal: Bus error
Using host libthread_db library "/lib64/libthread_db.so.1".
81	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7f21ed08f880 (LWP 2506))]

Thread 2 (Thread 0x7f21cdc11700 (LWP 2513)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:165
#1  0x00007f21cfa00c2b in pipe_semaphore_wait (sema=0x13a1360) at ../../../../../src/gallium/auxiliary/os/os_thread.h:433
#2  radeon_drm_cs_emit_ioctl (param=0x13a1180) at radeon_drm_winsys.c:518
#3  0x00000032fcc07d15 in start_thread (arg=0x7f21cdc11700) at pthread_create.c:308
#4  0x00000032fc0f248d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114

Thread 1 (Thread 0x7f21ed08f880 (LWP 2506)):
[KCrash Handler]
#6  __memset_sse2 () at ../sysdeps/x86_64/memset.S:873
#7  0x00007f21cf9eaff2 in memset (__len=<optimized out>, __ch=204, __dest=<optimized out>) at /usr/include/bits/string3.h:84
#8  r600_texture_create_object (screen=screen@entry=0x13a1700, base=base@entry=0x7fff8fa90b30, pitch_in_bytes_override=pitch_in_bytes_override@entry=0, buf=buf@entry=0x0, surface=surface@entry=0x7fff8fa8fe30) at r600_texture.c:509
#9  0x00007f21cf9eb2c7 in r600_texture_create (screen=0x13a1700, templ=0x7fff8fa90b30) at r600_texture.c:601
#10 0x00007f21cf9fda25 in dri2_drawable_process_buffers (att_count=1, atts=0x7fff8fa90c10, buffer_count=1, buffers=0x137f540, drawable=0x10e9f90) at dri2.c:254
#11 dri2_allocate_textures (drawable=0x10e9f90, statts=0x7fff8fa90c10, statts_count=1) at dri2.c:404
#12 0x00007f21cf9fc595 in dri_st_framebuffer_validate (stfbi=<optimized out>, statts=0x7fff8fa90c10, count=1, out=0x0) at dri_drawable.c:81
#13 0x00007f21cf9fc7ce in dri_drawable_validate_att (statt=ST_ATTACHMENT_FRONT_LEFT, drawable=0x10e9f90) at dri_drawable.c:206
#14 dri_set_tex_buffer2 (pDRICtx=<optimized out>, target=3553, format=8409, dPriv=<optimized out>) at dri_drawable.c:220
#15 0x0000003315ccb3c3 in loadTexture (depth=24, size=..., pix=<optimized out>, this=0xfedd70) at /usr/src/debug/kde-workspace-4.10.1/kwin/glxbackend.cpp:716
#16 KWin::GlxTexture::loadTexture (this=0xfedd70, pix=<optimized out>, size=..., depth=24) at /usr/src/debug/kde-workspace-4.10.1/kwin/glxbackend.cpp:658
#17 0x0000003315cc30d5 in KWin::SceneOpenGL::Window::bindTexture (this=0x13780f0) at /usr/src/debug/kde-workspace-4.10.1/kwin/scene_opengl.cpp:822
#18 0x0000003315cc9a8e in KWin::SceneOpenGL::Window::performPaint (this=this@entry=0x13780f0, mask=mask@entry=1, region=..., data=...) at /usr/src/debug/kde-workspace-4.10.1/kwin/scene_opengl.cpp:931
#19 0x0000003315cc249f in KWin::SceneOpenGL2::performPaintWindow (this=this@entry=0x1431c70, w=w@entry=0x1194e20, mask=mask@entry=1, region=..., data=...) at /usr/src/debug/kde-workspace-4.10.1/kwin/scene_opengl.cpp:566
#20 0x0000003315cc263d in KWin::SceneOpenGL2::finalDrawWindow (this=0x1431c70, w=w@entry=0x1194e20, mask=mask@entry=1, region=..., data=...) at /usr/src/debug/kde-workspace-4.10.1/kwin/scene_opengl.cpp:551
#21 0x0000003315cd63a5 in KWin::EffectsHandlerImpl::drawWindow (this=0x1064150, w=w@entry=0x1194e20, mask=mask@entry=1, region=..., data=...) at /usr/src/debug/kde-workspace-4.10.1/kwin/effects.cpp:318
#22 0x0000003315cb585a in KWin::Scene::finalPaintWindow (this=<optimized out>, w=0x1194e20, mask=1, region=..., data=...) at /usr/src/debug/kde-workspace-4.10.1/kwin/scene.cpp:449
#23 0x0000003315cd6627 in KWin::EffectsHandlerImpl::paintWindow (this=0x1064150, w=0x1194e20, mask=mask@entry=1, region=..., data=...) at /usr/src/debug/kde-workspace-4.10.1/kwin/effects.cpp:281
#24 0x0000003315cb841d in KWin::Scene::paintWindow (this=<optimized out>, w=0x13780f0, mask=1, region=..., quads=...) at /usr/src/debug/kde-workspace-4.10.1/kwin/scene.cpp:356
#25 0x0000003315cb774f in KWin::Scene::paintSimpleScreen (this=this@entry=0x1431c70, orig_mask=orig_mask@entry=0, region=...) at /usr/src/debug/kde-workspace-4.10.1/kwin/scene.cpp:342
#26 0x0000003315cb579e in KWin::Scene::finalPaintScreen (this=0x1431c70, mask=0, region=..., data=...) at /usr/src/debug/kde-workspace-4.10.1/kwin/scene.cpp:186
#27 0x0000003315cd67f0 in KWin::EffectsHandlerImpl::paintScreen (this=0x1064150, mask=0, region=..., data=...) at /usr/src/debug/kde-workspace-4.10.1/kwin/effects.cpp:254
#28 0x0000003315cb6b38 in KWin::Scene::paintScreen (this=0x1431c70, mask=0x7fff8fa91764, region=0x7fff8fa91810) at /usr/src/debug/kde-workspace-4.10.1/kwin/scene.cpp:140
#29 0x0000003315cc5f9e in KWin::SceneOpenGL::paint (this=0x1431c70, damage=..., toplevels=...) at /usr/src/debug/kde-workspace-4.10.1/kwin/scene_opengl.cpp:308
#30 0x0000003315cb0f5c in KWin::Compositor::performCompositing (this=this@entry=0xfe9ee0) at /usr/src/debug/kde-workspace-4.10.1/kwin/composite.cpp:610
#31 0x0000003315cb1a10 in KWin::Compositor::slotCompositingOptionsInitialized (this=0xfe9ee0) at /usr/src/debug/kde-workspace-4.10.1/kwin/composite.cpp:275
#32 0x000000330798ceef in QMetaObject::activate (sender=0x102e6b0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3539
#33 0x000000330786c5d7 in QFutureWatcherBase::event (this=<optimized out>, event=0x7f21d0001770) at concurrent/qfuturewatcher.cpp:344
#34 0x000000330adca5cc in QApplicationPrivate::notify_helper (this=this@entry=0xe21130, receiver=receiver@entry=0x102e6b0, e=e@entry=0x7f21d0001770) at kernel/qapplication.cpp:4562
#35 0x000000330adcea4a in QApplication::notify (this=0x7fff8fa92710, receiver=0x102e6b0, e=0x7f21d0001770) at kernel/qapplication.cpp:4423
#36 0x000000330c8473c6 in KApplication::notify (this=0x7fff8fa92710, receiver=0x102e6b0, event=0x7f21d0001770) at /usr/src/debug/kdelibs-4.10.1/kdeui/kernel/kapplication.cpp:311
#37 0x0000003307977abe in QCoreApplication::notifyInternal (this=0x7fff8fa92710, receiver=receiver@entry=0x102e6b0, event=event@entry=0x7f21d0001770) at kernel/qcoreapplication.cpp:946
#38 0x000000330797b571 in sendEvent (event=0x7f21d0001770, receiver=0x102e6b0) at kernel/qcoreapplication.h:231
#39 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0xdbc380) at kernel/qcoreapplication.cpp:1570
#40 0x000000330ae6b3bc in sendPostedEvents () at ../../src/corelib/kernel/qcoreapplication.h:236
#41 QEventDispatcherX11::processEvents (this=0xdbdce0, flags=...) at kernel/qeventdispatcher_x11.cpp:75
#42 0x000000330797680f in QEventLoop::processEvents (this=this@entry=0x7fff8fa92420, flags=...) at kernel/qeventloop.cpp:149
#43 0x0000003307976a98 in QEventLoop::exec (this=0x7fff8fa92420, flags=...) at kernel/qeventloop.cpp:204
#44 0x000000330797b888 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#45 0x0000003315c67d6a in kdemain (argc=3, argv=0x7fff8fa92858) at /usr/src/debug/kde-workspace-4.10.1/kwin/main.cpp:537
#46 0x00000032fc021a05 in __libc_start_main (main=0x400960 <main(int, char**)>, argc=3, ubp_av=0x7fff8fa92858, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff8fa92848) at libc-start.c:225
#47 0x0000000000400991 in _start ()

Possible duplicates by query: bug 318252, bug 318219, bug 316949, bug 316393, bug 315089.

Reported using DrKonqi