Application: kwin (4.10.2)
KDE Platform Version: 4.10.2
Qt Version: 4.8.4
Operating System: Linux 3.8.0-19-generic x86_64
Distribution: Ubuntu 13.04

-- Information about the crash:
ubuntu 13.04
I boot into kde and I get a message saying that kwin in not usable
I tried turning off composting with no success.

The crash can be reproduced every time.

-- 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 0x7fe372d1a7c0 (LWP 4133))]

Thread 4 (Thread 0x7fe353e05700 (LWP 4138)):
#0  0x00007fe36436d280 in pthread_mutex_lock@plt () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fe3643db5c1 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe36439b34e in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe36439c0b4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fe36439c6ba in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fe35a0764f6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#6  0x00007fe3643bfeb5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fe366168f8e in start_thread (arg=0x7fe353e05700) at pthread_create.c:311
#8  0x00007fe372542e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7fe34ab5e700 (LWP 4139)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fe36d851694 in _q_futex (timeout=0x0, val=2, op=0, addr=0x1717e60, addr2=<optimized out>, val2=<optimized out>) at thread/qmutex_unix.cpp:99
#2  QMutexPrivate::wait (this=this@entry=0x1717e60, timeout=timeout@entry=-1) at thread/qmutex_unix.cpp:113
#3  0x00007fe36d84d8a5 in QMutex::lockInternal (this=<optimized out>) at thread/qmutex.cpp:450
#4  0x00007fe36ea9c0ac in KActivities::Consumer::listActivities() const () from /usr/lib/libkactivities.so.6
#5  0x00007fe372851604 in KWin::fetchActivityListAndCurrent (controller=0x172dbf8) at ../../kwin/workspace.cpp:1405
#6  0x00007fe37285cfa3 in QtConcurrent::StoredFunctorCall1<QPair<QString, QStringList>, QPair<QString, QStringList> (*)(KActivities::Controller*), KActivities::Controller*>::runFunctor (this=0x17bab70) at /usr/include/qt4/QtCore/qtconcurrentstoredfunctioncall.h:267
#7  0x00007fe372861466 in QtConcurrent::RunFunctionTask<QPair<QString, QStringList> >::run (this=0x17bab70) at /usr/include/qt4/QtCore/qtconcurrentrunbase.h:106
#8  0x00007fe36d84655d in QThreadPoolThread::run (this=0x16c33e0) at concurrent/qthreadpool.cpp:107
#9  0x00007fe36d852bec in QThreadPrivate::start (arg=0x16c33e0) at thread/qthread_unix.cpp:338
#10 0x00007fe366168f8e in start_thread (arg=0x7fe34ab5e700) at pthread_create.c:311
#11 0x00007fe372542e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7fe34a147700 (LWP 4140)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fe36ee32e77 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007fe36ee32ea9 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007fe366168f8e in start_thread (arg=0x7fe34a147700) at pthread_create.c:311
#4  0x00007fe372542e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7fe372d1a7c0 (LWP 4133)):
[KCrash Handler]
#6  QObject::property (this=0x0, name=name@entry=0x7fe34a158cff "alpha") at kernel/qobject.cpp:3733
#7  0x00007fe34a14f86b in Aurorae::AuroraeClient::slotAlphaChanged (this=this@entry=0x17c6f60) at ../../../../../kwin/clients/aurorae/src/aurorae.cpp:568
#8  0x00007fe34a1521c7 in Aurorae::AuroraeClient::init (this=0x17c6f60) at ../../../../../kwin/clients/aurorae/src/aurorae.cpp:280
#9  0x00007fe372868cce in updateDecoration (force=<optimized out>, check_workspace_pos=<optimized out>, this=0x17c8ba0) at ../../kwin/client.cpp:441
#10 KWin::Client::updateDecoration (this=this@entry=0x17c8ba0, check_workspace_pos=check_workspace_pos@entry=false, force=force@entry=false) at ../../kwin/client.cpp:422
#11 0x00007fe372893671 in KWin::Client::manage (this=this@entry=0x17c8ba0, w=w@entry=71303197, isMapped=isMapped@entry=true) at ../../kwin/manage.cpp:356
#12 0x00007fe372855b34 in KWin::Workspace::createClient (this=this@entry=0x172dbb0, w=71303197, is_mapped=is_mapped@entry=true) at ../../kwin/workspace.cpp:578
#13 0x00007fe37285b029 in KWin::Workspace::init (this=this@entry=0x172dbb0) at ../../kwin/workspace.cpp:457
#14 0x00007fe37285c290 in KWin::Workspace::Workspace (this=0x172dbb0, restore=<optimized out>) at ../../kwin/workspace.cpp:245
#15 0x00007fe372877220 in KWin::Application::Application (this=<optimized out>) at ../../kwin/main.cpp:325
#16 0x00007fe372878d0e in kdemain (argc=3, argv=0x7fff52265c08) at ../../kwin/main.cpp:513
#17 0x00007fe37246aea5 in __libc_start_main (main=0x4006d0 <main(int, char**)>, argc=3, ubp_av=0x7fff52265c08, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff52265bf8) at libc-start.c:260
#18 0x0000000000400701 in _start ()

Possible duplicates by query: bug 318941.

Reported using DrKonqi