I am not very fluent in SWD, but the verbose output from Open OCD helps to identify the issue : the ID read by both tools differs from what is expected. Meaning that the error is the same in both cases. Your device under test reads back 0x2ba01477 while the tools expect ...
Similar problem here - J-Link was working Ok with STM32 targets until a few days ago, then 'could not power up debug port'. If Commander is run, same error message, but does connect (and identify CPU) over SWD. Flash unlock utility does not recognise STM32 device. Strangely enough, ...