Version:            (using KDE 4.1.2)
OS:                Linux
Installed from:    Ubuntu Packages

The usb card incriminated is "Terratec Aureon 5.1".

Here are the details for the bug:

Application: KMix (kmix), signal SIGABRT
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[Thread debugging using libthread_db enabled]
[New Thread 0xb658a8d0 (LWP 5706)]
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[KCrash handler]
#6  0xb80bd430 in __kernel_vsyscall ()
#7  0xb7f12880 in raise () from /lib/tls/i686/cmov/libc.so.6
#8  0xb7f14248 in abort () from /lib/tls/i686/cmov/libc.so.6
#9  0xb76cf795 in qt_message_output () from /usr/lib/libQtCore.so.4
#10 0xb76cf872 in qFatal () from /usr/lib/libQtCore.so.4
#11 0xb76cf915 in qt_assert () from /usr/lib/libQtCore.so.4
#12 0xb7adf57a in ?? () from /usr/lib/libsolid.so.4
#13 0xb7adf87f in ?? () from /usr/lib/libsolid.so.4
#14 0xb77dca60 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#15 0xb77dd7e2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#16 0xb7af1883 in ?? () from /usr/lib/libsolid.so.4
#17 0xb7b1749e in ?? () from /usr/lib/libsolid.so.4
#18 0xb7b1758a in ?? () from /usr/lib/libsolid.so.4
#19 0xb763426e in ?? () from /usr/lib/libQtDBus.so.4
#20 0xb763b627 in ?? () from /usr/lib/libQtDBus.so.4
#21 0xb77d7771 in QObject::event () from /usr/lib/libQtCore.so.4
#22 0xb6e058ec in QApplicationPrivate::notify_helper ()
   from /usr/lib/libQtGui.so.4
#23 0xb6e0d76e in QApplication::notify () from /usr/lib/libQtGui.so.4
#24 0xb7d4972d in KApplication::notify () from /usr/lib/libkdeui.so.5
#25 0xb77c7e61 in QCoreApplication::notifyInternal ()
   from /usr/lib/libQtCore.so.4
#26 0xb77c8ae5 in QCoreApplicationPrivate::sendPostedEvents ()
   from /usr/lib/libQtCore.so.4
#27 0xb77c8cdd in QCoreApplication::sendPostedEvents ()
   from /usr/lib/libQtCore.so.4
#28 0xb77f282f in ?? () from /usr/lib/libQtCore.so.4
#29 0xb67ad6f8 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#30 0xb67b0da3 in ?? () from /usr/lib/libglib-2.0.so.0
#31 0xb67b0f61 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#32 0xb77f2478 in QEventDispatcherGlib::processEvents ()
   from /usr/lib/libQtCore.so.4
#33 0xb6e9fee5 in ?? () from /usr/lib/libQtGui.so.4
#34 0xb77c652a in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#35 0xb77c66ea in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#36 0xb77c8da5 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#37 0xb6e05767 in QApplication::exec () from /usr/lib/libQtGui.so.4
#38 0xb8057abb in kdemain () from /usr/lib/libkdeinit4_kmix.so
#39 0x080485a2 in _start ()
#0  0xb80bd430 in __kernel_vsyscall ()