Application: ktorrent (4.2.1)
KDE Platform Version: 4.9.4
Qt Version: 4.8.3
Operating System: Linux 3.5.0-23-generic x86_64
Distribution: Ubuntu 12.10

-- Information about the crash:
- Custom settings of the application: command line parameter set to --graphicssystem opengl. Ktorrent ran under Ubuntu desktop.

-- Backtrace:
Application: KTorrent (ktorrent), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fa14aff2780 (LWP 3644))]

Thread 4 (Thread 0x7fa1309f5700 (LWP 3646)):
#0  0x00007fa146f2d313 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fa1428a0d84 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa1428a11e2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa137f3d4a6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007fa1428c4645 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fa144318e9a in start_thread (arg=0x7fa1309f5700) at pthread_create.c:308
#6  0x00007fa146f38ccd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fa1221e5700 (LWP 3657)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fa11b12cb2d in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007fa11b12cc39 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007fa144318e9a in start_thread (arg=0x7fa1221e5700) at pthread_create.c:308
#4  0x00007fa146f38ccd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fa0cbf22700 (LWP 3825)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fa14874204b in wait (time=18446744073709551615, this=0x113cb90) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1139e40, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007fa14aaf4a12 in net::ReverseResolverThread::run (this=0x1139e30) at ../../src/net/reverseresolver.cpp:124
#4  0x00007fa148741aec in QThreadPrivate::start (arg=0x1139e30) at thread/qthread_unix.cpp:338
#5  0x00007fa144318e9a in start_thread (arg=0x7fa0cbf22700) at pthread_create.c:308
#6  0x00007fa146f38ccd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fa14aff2780 (LWP 3644)):
[KCrash Handler]
#6  __glXGenerateError (dpy=dpy@entry=0x0, resource=resource@entry=0, errorCode=errorCode@entry=8 '\b', minorCode=26) at glxcurrent.c:197
#7  0x00007fa13a939167 in MakeContextCurrent (dpy=0x0, draw=0, read=0, gc_user=0xf2a2b0) at glxcurrent.c:240
#8  0x00007fa13ac23d59 in QGLContext::makeCurrent (this=0x1e15c40) at qgl_x11.cpp:934
#9  0x00007fa13abff42a in QGLShareContextScope (ctx=0x1e15c40, this=<synthetic pointer>) at ../../include/QtOpenGL/private/../../../src/opengl/qgl_p.h:493
#10 ~QGLContextGroupResource (this=0xf656c0, __in_chrg=<optimized out>) at ../../include/QtOpenGL/private/../../../src/opengl/qgl_p.h:768
#11 QGLContextGroupResource<QGLEngineSharedShaders>::~QGLContextGroupResource (this=0xf656c0, __in_chrg=<optimized out>) at ../../include/QtOpenGL/private/../../../src/opengl/qgl_p.h:772
#12 0x00007fa14873fae8 in QThreadStorageData::finish (p=0x9da6c8) at thread/qthreadstorage.cpp:203
#13 0x00007fa148841a2f in QCoreApplicationPrivate::~QCoreApplicationPrivate (this=0xa5abd0, __in_chrg=<optimized out>) at kernel/qcoreapplication.cpp:439
#14 0x00007fa147be4e79 in QApplicationPrivate::~QApplicationPrivate (this=0xa5abd0, __in_chrg=<optimized out>) at kernel/qapplication.cpp:223
#15 0x00007fa148854ffc in cleanup (pointer=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:62
#16 ~QScopedPointer (this=0x7fffb9ec2208, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:100
#17 QObject::~QObject (this=0x7fffb9ec2200, __in_chrg=<optimized out>) at kernel/qobject.cpp:817
#18 0x00007fa147bef211 in QApplication::~QApplication (this=0x7fffb9ec2200, __in_chrg=<optimized out>) at kernel/qapplication.cpp:1100
#19 0x0000000000427d88 in main (argc=3, argv=0x7fffb9ec2338) at ../../ktorrent/main.cpp:177

Reported using DrKonqi