. Thread 2 (process 28301): #0 0xb7fb4410 in __kernel_vsyscall () #1 0xb729f5c6 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb73c4b79 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4 #3 0xb754806d in ?? () from /usr/lib/libQtNetwork.so.4 #4 0xb73c41e2 in ?? () from /usr/lib/libQtCore.so.4 #5 0xb729b31b in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #6 0xb71073ee in clone () from /lib/tls/i686/cmov/libc.so.6 . Thread 1 (process 28269): #0 0x080acdc2 in ?? () #1 0x08083e8d in ?? () #2 0x08083f24 in ?? () #3 0x0805acc4 in ?? () #4 0x080bf2cd in ?? () #5 0xb747b358 in QMetaObject::activate () from /usr/lib/libQtCore.so.4 #6 0xb747b5df in QMetaObject::activate () from /usr/lib/libQtCore.so.4 #7 0x080bfbc3 in ?? () #8 0x08077c78 in ?? () #9 0x080bfcdd in ?? () #10 0xb747b358 in QMetaObject::activate () from /usr/lib/libQtCore.so.4 #11 0xb747bcda in QMetaObject::activate () from /usr/lib/libQtCore.so.4 #12 0xb752611f in QHttp::requestFinished () from /usr/lib/libQtNetwork.so.4 #13 0xb75300a0 in ?? () from /usr/lib/libQtNetwork.so.4 #14 0xb7530168 in ?? () from /usr/lib/libQtNetwork.so.4 #15 0xb7530210 in QHttp::qt_metacall () from /usr/lib/libQtNetwork.so.4 #16 0xb7479f76 in QObject::event () from /usr/lib/libQtCore.so.4 #17 0xb789ac3d in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4 #18 0xb789d371 in QApplication::notify () from /usr/lib/libQtGui.so.4 #19 0xb746b064 in QCoreApplication::sendPostedEvents () from /usr/lib/libQtCore.so.4 #20 0xb748d550 in ?? () from /usr/lib/libQtCore.so.4 #21 0xb72dec42 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 #22 0xb72e1c1f in ?? () from /usr/lib/libglib-2.0.so.0 #23 0x0815db50 in ?? () #24 0x00000000 in ?? ()