I cannot dbg and programming stm32446e-eval board using onboard st-link, pic below. I checked also other board stm32f769i-disco and its working fine on the same enviroment.
Unplugged target or STLink already in use or STLink USB driver not installed
Open On-Chip Debugger 0.10.0-dev-00278-ga53935e-dirty (2017-05-09-09:25)
Licensed under GNU GPL v2
For bug reports, read
srst_only separate srst_nogate srst_open_drain connect_assert_srst
Info : The selected transport took over low-level target control. The results might differ compared to plain JTAG/SWD
adapter speed: 4000 kHz
Info : clock speed 4000 kHz
Error: open failed (no matching adapter found)
in procedure 'init'
in procedure 'ocd_bouncer'
How to fix it ?
Thank you in advance,