openocd -f openocd.cfg
GNU ARM Eclipse 32-bits Open On-Chip Debugger 0.10.0-dev-00498-gbbfb673 (2016-10-28-16:47)
Licensed under GNU GPL v2
For bug reports, read http://openocd.org/doc/doxygen/bugs.html
Info : The selected transport took over low-level target control.
The results might differ compared to plain JTAG/SWD

adapter speed: 480 kHz
adapter_nsrst_delay: 100
none separate
Info : clock speed 480 kHz
Info : STLINK v2 JTAG v28 API v2 SWIM v16 VID 0x0483 PID 0x374B
Info : using stlink api v2
Info : Target voltage: 3.262673
Info : STM32L476.cpu: hardware has 6 breakpoints, 4 watchpoints
Info : device id = 0x10076415
Info : flash size = 1024kbytes
flash 'stm32l4x' found at 0x08000000
#0 : STM32L476.flash (stm32l4x) at 0x08000000, size 0x00100000, buswidth 0, chip
width 0
STM32L476.cpu: target state: halted
target halted due to debug-request, current mode: Thread
xPSR: 0x81000000 pc: 0x08000278 msp: 0x20017ff8
auto erase enabled
STM32L476.cpu: target state: halted
target halted due to breakpoint, current mode: Thread
xPSR: 0x61000000 pc: 0x20000050 msp: 0x20017ff8
Warn : block write succeeded
wrote 2048 bytes from file BLINK-CM4.bin in 0.281250s (7.111 KiB/s)

Info : accepting 'gdb' connection on tcp/3333
adapter speed: 480 kHz
adapter speed: 480 kHz
STM32L476.cpu: target state: halted
target halted due to debug-request, current mode: Thread
xPSR: 0x01000000 pc: 0x08000288 msp: 0x20018000
adapter speed: 4000 kHz
STM32L476.cpu: target state: halted
target halted due to breakpoint, current mode: Thread
xPSR: 0x61000000 pc: 0x20000050 msp: 0x20018000
Warn : block write succeeded
adapter speed: 480 kHz
STM32L476.cpu: target state: halted
target halted due to debug-request, current mode: Thread
xPSR: 0x01000000 pc: 0x08000288 msp: 0x20018000
Info : halted: PC: 0x08000232
Info : halted: PC: 0x08000234
Info : halted: PC: 0x08000236
Info : halted: PC: 0x0800023a
Info : halted: PC: 0x0800023c
Info : halted: PC: 0x0800023e
Info : dropped 'gdb' connection