Application: plasma-desktop (4.10.95)
KDE Platform Version: 4.10.95
Qt Version: 4.8.5
Operating System: Linux 3.10.1-3.g0cd5432-desktop x86_64
Distribution: "openSUSE 13.1 Milestone 3 (x86_64)"

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

- Unusual behavior I noticed: Blurry fonts - OpenGL constantly crashing, no KWIN effects

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f93a6446780 (LWP 2739))]

Thread 3 (Thread 0x7f9385464700 (LWP 2946)):
#0  0x00007f93a4d02924 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f9398d868eb in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7f9399084f00 <QTWTF::pageheap_memory>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007f9398d86929 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007f93a4cfee0b in start_thread () from /lib64/libpthread.so.0
#4  0x00007f93a3a6606d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f9303c44700 (LWP 2947)):
#0  0x00007f93a09697ec in ?? () from /usr/lib64/libglib-2.0.so.0
#1  0x00007f93a096bcc3 in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f93a096c27b in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f93a096c3ec in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f93a50c13c6 in QEventDispatcherGlib::processEvents (this=0x35cde10, flags=...) at kernel/qeventdispatcher_glib.cpp:427
#5  0x00007f93a509333f in QEventLoop::processEvents (this=this@entry=0x7f9303c43e20, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f93a5093635 in QEventLoop::exec (this=0x7f9303c43e20, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f93a4f91fef in QThread::exec (this=<optimized out>) at thread/qthread.cpp:536
#8  0x00007f93a5074b43 in QInotifyFileSystemWatcherEngine::run (this=0x35c1fa0) at io/qfilesystemwatcher_inotify.cpp:256
#9  0x00007f93a4f9468f in QThreadPrivate::start (arg=0x35c1fa0) at thread/qthread_unix.cpp:338
#10 0x00007f93a4cfee0b in start_thread () from /lib64/libpthread.so.0
#11 0x00007f93a3a6606d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f93a6446780 (LWP 2739)):
[KCrash Handler]
#5  __glXGenerateError (dpy=dpy@entry=0x0, resource=resource@entry=0, errorCode=errorCode@entry=8 '\b', minorCode=26) at glxcurrent.c:197
#6  0x00007f939569cc9f in MakeContextCurrent (dpy=0x0, draw=0, read=0, gc_user=0x7e5dfb0) at glxcurrent.c:240
#7  0x00007f939735c809 in QGLContext::makeCurrent (this=0x50e50a0) at qgl_x11.cpp:934
#8  0x00007f939733985a in QGLShareContextScope (ctx=0x50e50a0, this=<synthetic pointer>) at ../../src/opengl/qgl_p.h:493
#9  ~QGLContextGroupResource (this=0x3bf8100, __in_chrg=<optimized out>) at ../../src/opengl/qgl_p.h:769
#10 QGLContextGroupResource<QGLEngineSharedShaders>::~QGLContextGroupResource (this=0x3bf8100, __in_chrg=<optimized out>) at ../../src/opengl/qgl_p.h:773
#11 0x00007f93a4f9284a in QThreadStorageData::finish (p=0x1cb54d8) at thread/qthreadstorage.cpp:203
#12 0x00007f93a5097331 in QCoreApplicationPrivate::~QCoreApplicationPrivate (this=0x1dc1800, __in_chrg=<optimized out>) at kernel/qcoreapplication.cpp:473
#13 0x00007f93a4213bd9 in QApplicationPrivate::~QApplicationPrivate (this=0x1dc1800, __in_chrg=<optimized out>) at kernel/qapplication.cpp:226
#14 0x00007f93a50ad285 in cleanup (pointer=<optimized out>) at ../../src/corelib/tools/qscopedpointer.h:62
#15 ~QScopedPointer (this=0x1dbb9d8, __in_chrg=<optimized out>) at ../../src/corelib/tools/qscopedpointer.h:100
#16 QObject::~QObject (this=0x1dbb9d0, __in_chrg=<optimized out>) at kernel/qobject.cpp:816
#17 0x00007f93a42158c9 in QApplication::~QApplication (this=0x1dbb9d0, __in_chrg=<optimized out>) at kernel/qapplication.cpp:1098
#18 0x00007f9391d6b4b9 in PlasmaApp::~PlasmaApp (this=0x1dbb9d0, __in_chrg=<optimized out>) at /usr/src/debug/kde-workspace-4.10.95/plasma/desktop/shell/plasmaapp.cpp:291
#19 0x00007f9391d5489d in kdemain (argc=1, argv=0x1cbaf60) at /usr/src/debug/kde-workspace-4.10.95/plasma/desktop/shell/main.cpp:127
#20 0x000000000040879e in _start ()

Reported using DrKonqi