Several customers sent crash reports containing following stack:

xxx/SRC680/src.m74/sal/osl/unx/signal.c:497
SignalHandlerFunction
xxx/SRC680/src.m74/sal/osl/unx/signal.c:820
libc.so.6 + 0x29798  --  could not find checksum in database
libglib-2.0.so.0 + 0x2adf4  --  could not find checksum in database
libglib-2.0.so.0 + 0x2ae1a  --  could not find checksum in database
libglib-2.0.so.0 + 0x2aef3  --  could not find checksum in database
libgnomevfs-2.so.0 + 0x20776  --  could not find checksum in database
libgnomevfs-2.so.0 + 0x2da64  --  could not find checksum in database
libgnomevfs-2.so.0 + 0x1e170  --  could not find checksum in database
libgnome-vfs.so + 0x3c92  --  could not find checksum in database
libgnome-vfs.so + 0x675b  --  could not find checksum in database
libgtk-x11-2.0.so.0 + 0xd4835  --  could not find checksum in database
libgtk-x11-2.0.so.0 + 0xd5914  --  could not find checksum in database
libgtk-x11-2.0.so.0 + 0xc79b8  --  could not find checksum in database
libgtk-x11-2.0.so.0 + 0xc7c45  --  could not find checksum in database
libgtk-x11-2.0.so.0 + 0xb920b  --  could not find checksum in database
libgtk-x11-2.0.so.0 + 0xc144b  --  could not find checksum in database
libgtk-x11-2.0.so.0 + 0xc6d0d  --  could not find checksum in database
libgobject-2.0.so.0 + 0x18c9a  --  could not find checksum in database
libgobject-2.0.so.0 + 0x85bf  --  could not find checksum in database
libgobject-2.0.so.0 + 0x8351  --  could not find checksum in database
libgobject-2.0.so.0 + 0x18080  --  could not find checksum in database
libgobject-2.0.so.0 + 0x178f1  --  could not find checksum in database
libgobject-2.0.so.0 + 0x17b75  --  could not find checksum in database
libgtk-x11-2.0.so.0 + 0x1f7287  --  could not find checksum in database
libgtk-x11-2.0.so.0 + 0x94871  --  could not find checksum in database
libgtk-x11-2.0.so.0 + 0x59d2b  --  could not find checksum in database
libgtk-x11-2.0.so.0 + 0x92e31  --  could not find checksum in database
libgtk-x11-2.0.so.0 + 0x948ae  --  could not find checksum in database
libgobject-2.0.so.0 + 0x18c9a  --  could not find checksum in database
libgobject-2.0.so.0 + 0x85bf  --  could not find checksum in database
libgobject-2.0.so.0 + 0x8351  --  could not find checksum in database
libgobject-2.0.so.0 + 0x18080  --  could not find checksum in database
libgobject-2.0.so.0 + 0x178f1  --  could not find checksum in database
libgobject-2.0.so.0 + 0x17b75  --  could not find checksum in database
libgtk-x11-2.0.so.0 + 0x1f7287  --  could not find checksum in database
libgtk-x11-2.0.so.0 + 0xbe9fd  --  could not find checksum in database
libgobject-2.0.so.0 + 0x18c9a  --  could not find checksum in database
libgobject-2.0.so.0 + 0x85bf  --  could not find checksum in database
libgobject-2.0.so.0 + 0x8351  --  could not find checksum in database
libgobject-2.0.so.0 + 0x18080  --  could not find checksum in database
libgobject-2.0.so.0 + 0x178f1  --  could not find checksum in database
libgobject-2.0.so.0 + 0x17b75  --  could not find checksum in database
libgtk-x11-2.0.so.0 + 0x1f7287  --  could not find checksum in database
libgtk-x11-2.0.so.0 + 0x2043b0  --  could not find checksum in database
libgobject-2.0.so.0 + 0x18c9a  --  could not find checksum in database
libgobject-2.0.so.0 + 0x85bf  --  could not find checksum in database
libgobject-2.0.so.0 + 0x8351  --  could not find checksum in database
libgobject-2.0.so.0 + 0x18080  --  could not find checksum in database
libgobject-2.0.so.0 + 0x178f1  --  could not find checksum in database
libgobject-2.0.so.0 + 0x17b75  --  could not find checksum in database
libgtk-x11-2.0.so.0 + 0x1f6de1  --  could not find checksum in database
libgtk-x11-2.0.so.0 + 0xa38c0  --  could not find checksum in database
SalGtkFilePicker::execute()
xxx/SRC680/src.m74/fpicker/source/unx/gnome/SalGtkFilePicker.cxx:847
sfx2::PickerThread_Impl::run()
xxx/SRC680/unxlngi6.pro/inc.m74/com/sun/star/uno/Reference.h:344
vos::_cpp_OThread_WorkerFunction(void*)
xxx/SRC680/src.m74/vos/source/thread.cxx:92
_OThread_WorkerFunction(void*)
xxx/SRC680/src.m74/vos/source/thread.cxx:75
osl_thread_start_Impl
xxx/SRC680/src.m74/sal/osl/unx/thread.c:305
libpthread.so.0 + 0x4ae0  --  could not find checksum in database
libc.so.6 + 0xd2c5a  --  could not find checksum in database
got frames from addr2line/database 0/7