Re: [Openocd-development] ST32-PerformanceStick

[Holger S. <hs...@ma...>]

> Error: 30 161 ft2232.c:1506 ft2232_init_ftd2xx(): unable to
> open ftdi device: 2

You might also have a permission problem in your /proc/bus/usb 
(or the new location somewhere in /sys). In this 
case, "strace -oa -efile ./openocd" and a careful reading of the 
generated "a" file will show this.

Then add a proper /etc/udev/rules.d/XXX file to solve this.