(gdb) bt bt
No symbol "bt" in current context.
(gdb) bt
#0  0x081c37ff in csJoystickDriver::GetLast ()
    at /usr/lib/gcc/i686-pc-linux-gnu/4.1.2/../../../../include/c++/4.1.2/iostream:75
#1  0x080dad09 in MainWindow::getJoyPosition (this=0x8590680, mx=@0xbfd8199c, 
    my=@0xbfd81998) at ../../../src/bzflag/MainWindow.cxx:278
#2  0x0815961c in Playing::playingLoop (this=0x87e5480)
    at ../../../src/bzflag/playing.cxx:790
#3  0x08166ef9 in csBaseEventHandler::HandleEvent ()
    at /usr/lib/gcc/i686-pc-linux-gnu/4.1.2/../../../../include/c++/4.1.2/iostream:75
#4  0xb7801ff4 in ?? () from /lib/libc.so.6
#5  0xb7803120 in ?? () from /lib/libc.so.6
#6  0x00000001 in ?? ()
#7  0x0892d65c in ?? ()
#8  0x00000002 in ?? ()
#9  0x0818bd31 in csEventQueue::iTypedFrameEventDispatcher::HandleEvent ()
    at /usr/lib/gcc/i686-pc-linux-gnu/4.1.2/../../../../include/c++/4.1.2/iostream:75
#10 0x08332118 in ?? ()
#11 0x00000001 in ?? ()
#12 0x0816738d in csBaseEventHandler::EventHandlerImpl::HandleEvent ()
    at /usr/lib/gcc/i686-pc-linux-gnu/4.1.2/../../../../include/c++/4.1.2/iostream:75
---Type <return> to continue, or q <return> to quit---q
Quit
(gdb) bt
#0  0x081c37ff in csJoystickDriver::GetLast ()
    at /usr/lib/gcc/i686-pc-linux-gnu/4.1.2/../../../../include/c++/4.1.2/iostream:75
#1  0x080dad09 in MainWindow::getJoyPosition (this=0x8590680, mx=@0xbfd8199c, 
    my=@0xbfd81998) at ../../../src/bzflag/MainWindow.cxx:278
#2  0x0815961c in Playing::playingLoop (this=0x87e5480)
    at ../../../src/bzflag/playing.cxx:790
#3  0x08166ef9 in csBaseEventHandler::HandleEvent ()
    at /usr/lib/gcc/i686-pc-linux-gnu/4.1.2/../../../../include/c++/4.1.2/iostream:75
#4  0xb7801ff4 in ?? () from /lib/libc.so.6
#5  0xb7803120 in ?? () from /lib/libc.so.6
#6  0x00000001 in ?? ()
#7  0x0892d65c in ?? ()
#8  0x00000002 in ?? ()
#9  0x0818bd31 in csEventQueue::iTypedFrameEventDispatcher::HandleEvent ()
    at /usr/lib/gcc/i686-pc-linux-gnu/4.1.2/../../../../include/c++/4.1.2/iostream:75
#10 0x08332118 in ?? ()
#11 0x00000001 in ?? ()
#12 0x0816738d in csBaseEventHandler::EventHandlerImpl::HandleEvent ()
    at /usr/lib/gcc/i686-pc-linux-gnu/4.1.2/../../../../include/c++/4.1.2/iostream:75
---Type <return> to continue, or q <return> to quit---
#13 0xbfd82298 in ?? ()
#14 0x0836221c in ?? ()
#15 0x00000000 in ?? ()
(gdb)