#0  ___vfprintf_chk (fp=0x0, flag=1, format=0xb6d7836a "%s:%d: ", ap=0xb03a2d98 "\320W \255\001") at vfprintf_chk.c:31
        _IO_acquire_lock_file = 0x0
        done = <value optimized out>
#1  0xb6c95e17 in xmlGenericErrorDefaultFunc () from /usr/lib/libxml2.so.2
No symbol table info available.
#2  0xb6c9571d in ?? () from /usr/lib/libxml2.so.2
No symbol table info available.
#3  0xb6c970a8 in __xmlRaiseError () from /usr/lib/libxml2.so.2
No symbol table info available.
#4  0xb6c9b4fc in ?? () from /usr/lib/libxml2.so.2
No symbol table info available.
#5  0xb6cb282f in xmlParseDocument () from /usr/lib/libxml2.so.2
No symbol table info available.
#6  0xb6cb2c24 in ?? () from /usr/lib/libxml2.so.2
No symbol table info available.
#7  0x08065e09 in load_gpx_string_into_list ()
No symbol table info available.
#8  0x08065ef7 in fetch_track_thread ()
No symbol table info available.
#9  0xb6f182df in g_thread_create_proxy (data=0x9350fd8) at /build/buildd/glib2.0-2.28.6/./glib/gthread.c:1897
        thread = 0x9350fd8
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#10 0xb6bf6e99 in start_thread (arg=0xb03a3b70) at pthread_create.c:304
        pd = 0xb03a3b70
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1228902412, 0, 4001536, -1338363144, -204640202, -109739461}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <value optimized out>
        robust = <value optimized out>
        pagesize_m1 = <value optimized out>
        sp = <value optimized out>
        freesize = <value optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#11 0xb6b6073e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.