.
Thread 2 (process 2174):
#0  clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:111
No locals.
#1  0x003d0f00 in math_atan (cx=0x0, argc=0, vp=0x0)
    at /build/buildd/xulrunner-2.0-2.0~b10+build1+nobinonly/build-tree/mozilla/js/src/jsmath.cpp:746
	x = 0
	mathCache = (js::MathCache *) 0x0
#2  0x00000000 in ?? ()
No symbol table info available.
.
Thread 1 (process 2167):
#0  0x0033ce47 in JS_NewGlobalObject (cx=0x87ab340, clasp=0x804d260)
    at /build/buildd/xulrunner-2.0-2.0~b10+build1+nobinonly/build-tree/mozilla/js/src/jsapi.cpp:4284
	obj = (JSObject *) 0x0
	res = (JSObject *) 0x8048720
#1  0x0804acb4 in main (argc=2, argv=0xbfc6c524) at couch_js/main.c:276
	rt = (JSRuntime *) 0x876c028
	cx = (JSContext *) 0x87ab340
	global = Unhandled dwarf expression opcode 0x9f
Current language:  auto; currently asm
Current language:  auto; currently c++