io.js/mdb on smartos

foo.sh

[admin@web01 ~/io.js]$ ./iojs test.js &
[1] 28065
[admin@web01 ~/io.js]$ mdb -p 28065
Loading modules: [ ld.so.1 libumem.so.1 libc.so.1 ]
> ::status
debugging PID 28065 (64-bit)
file: /home/admin/io.js/out/Release/iojs
threading model: native threads
status: stopped by debugger
> ::load v8
V8 version: 4.1.0.21
mdb: failed to read "v8dbg_AsciiStringTag": unknown symbol name
mdb: failed to autoconfigure from target; commands may have incorrect results!
C++ symbol demangling enabled
> ::jsstack
js:     <anonymous> (as <anon>)
js:     ??2
js:     ??1
js:     ??
js:     <anonymous> (as <anon>)
        (1 internal frame elided)
js:     <anonymous> (as ???????e???
js:     <anonymous> (as ???????????
js:     <anonymous> (as ???????
js:     <anonymous> (as ???????
js:     <anonymous> (as ???????
js:     ???p???
js:     <anonymous> (as <anon>)
        (1 internal frame elided)
        (1 internal frame elided)
native: v8::internal::Execution::Call+0x153
native: v8::Function::Call+0xc7
native: node::LoadEnvironment+0x1e9
native: node::Start+0x41e
native: _start+0x6c
>