Are you using that image, or are you using something that you compiled yourself?
I've also tried with my own builds here, and they work fine. I am using 5.4.1 20160919 though as I found when doing builds for release that the GCC 6 compiled binaries were a bit flakey
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
I've just tried again to make absolutely sure:
Are you using that image, or are you using something that you compiled yourself?
I've also tried with my own builds here, and they work fine. I am using 5.4.1 20160919 though as I found when doing builds for release that the GCC 6 compiled binaries were a bit flakey