Iam unable to debug STM32 B-L0722Z-LRWAN1 board having onboard STM32L072CZ MCU. It gets programmed but no respose for breakpoints and also unable to suspend
Attaching the log files.
Open On-Chip Debugger 0.10.0+dev-00021-g524e8c8 (2019-04-23-20:37)
Licensed under GNU GPL v2
For bug reports, read
http://openocd.org/doc/doxygen/bugs.html
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: 8000 kHz
adapter_nsrst_delay: 100
Info : Listening on port 6666 for tcl connections
Info : Listening on port 4444 for telnet connections
Info : clock speed 8000 kHz
Info : STLINK v2.1 JTAG v31 API v2 M21 VID 0x0483 PID 0x374B
Info : using stlink api v2
Info : Target voltage: 3.253438
Info : Unable to match requested speed 8000 kHz, using 4000 kHz
Info : Stlink adapter speed set to 4000 kHz
Info : STM32L072CZYx.cpu: hardware has 4 breakpoints, 2 watchpoints
Info : Listening on port 3333 for gdb connections
Info : accepting 'gdb' connection on tcp/3333
target halted due to debug-request, current mode: Thread
xPSR: 0xf1000000 pc: 0x080021dc msp: 0x20005000
STM32L0: Enabling HSI16
Info : Unable to match requested speed 8000 kHz, using 4000 kHz
Info : Stlink adapter speed set to 4000 kHz
Info : Unable to match requested speed 8000 kHz, using 4000 kHz
adapter speed: 4000 kHz
Info : Device: STM32L0xx (Cat.5)
Info : STM32L flash has dual banks. Bank (0) size is 96kb, base address is 0x8000000
Info : Device: STM32L0xx (Cat.5)
Info : STM32L flash has dual banks. Bank (1) size is 96kb, base address is 0x8018000
Info : Padding image section 0 with 4 bytes
target halted due to breakpoint, current mode: Thread
xPSR: 0x61000000 pc: 0x2000000e msp: 0x20005000
target halted due to breakpoint, current mode: Thread
xPSR: 0x61000000 pc: 0x2000000e msp: 0x20005000
target halted due to breakpoint, current mode: Thread
xPSR: 0x61000000 pc: 0x2000000e msp: 0x20005000
target halted due to breakpoint, current mode: Thread
xPSR: 0x61000000 pc: 0x2000000e msp: 0x20005000
target halted due to breakpoint, current mode: Thread
xPSR: 0x61000000 pc: 0x2000000e msp: 0x20005000
target halted due to breakpoint, current mode: Thread
xPSR: 0x61000000 pc: 0x2000000e msp: 0x20005000
target halted due to breakpoint, current mode: Thread
xPSR: 0x61000000 pc: 0x2000000e msp: 0x20005000
target halted due to breakpoint, current mode: Thread
xPSR: 0x61000000 pc: 0x2000000e msp: 0x20005000
target halted due to breakpoint, current mode: Thread
xPSR: 0x61000000 pc: 0x2000000e msp: 0x20005000
target halted due to breakpoint, current mode: Thread
xPSR: 0x61000000 pc: 0x2000000e msp: 0x20005000
target halted due to breakpoint, current mode: Thread
xPSR: 0x61000000 pc: 0x2000000e msp: 0x20005000
target halted due to breakpoint, current mode: Thread
xPSR: 0x61000000 pc: 0x2000000e msp: 0x20005000
target halted due to breakpoint, current mode: Thread
xPSR: 0x61000000 pc: 0x2000000e msp: 0x20005000
target halted due to breakpoint, current mode: Thread
xPSR: 0x61000000 pc: 0x2000000e msp: 0x20005000
target halted due to breakpoint, current mode: Thread
xPSR: 0x61000000 pc: 0x2000000e msp: 0x20005000
target halted due to breakpoint, current mode: Thread
xPSR: 0x61000000 pc: 0x2000000e msp: 0x20005000
target halted due to breakpoint, current mode: Thread
xPSR: 0x61000000 pc: 0x2000000e msp: 0x20005000
Warn : keep_alive() was not invoked in the 1000ms timelimit. GDB alive packet not sent! (3269). Workaround: increase "set remotetimeout" in GDB
Error: jtag status contains invalid mode value - communication failure
Warn : target STM32L072CZYx.cpu is not halted (gdb fileio)
Polling target STM32L072CZYx.cpu failed, trying to reexamine
Examination failed, GDB will be halted. Polling again in 100ms
Info : Previous state query failed, trying to reconnect
Error: jtag status contains invalid mode value - communication failure
Polling target STM32L072CZYx.cpu failed, trying to reexamine
Examination failed, GDB will be halted. Polling again in 300ms
Info : Previous state query failed, trying to reconnect
Error: jtag status contains invalid mode value - communication failure
Polling target STM32L072CZYx.cpu failed, trying to reexamine
Examination failed, GDB will be halted. Polling again in 700ms
Info : Previous state query failed, trying to reconnect
Error: jtag status contains invalid mode value - communication failure
Polling target STM32L072CZYx.cpu failed, trying to reexamine
Examination failed, GDB will be halted. Polling again in 1500ms
Info : Previous state query failed, trying to reconnect
Error: jtag status contains invalid mode value - communication failure
Polling target STM32L072CZYx.cpu failed, trying to reexamine
Examination failed, GDB will be halted. Polling again in 3100ms
Warn : WARNING! The target is already running. All changes GDB did to registers will be discarded! Waiting for target to halt.
Info : Previous state query failed, trying to reconnect
Error: jtag status contains invalid mode value - communication failure
Warn : target STM32L072CZYx.cpu is not halted (gdb fileio)
Polling target STM32L072CZYx.cpu failed, trying to reexamine
Examination failed, GDB will be halted. Polling again in 6300ms
Info : Previous state query failed, trying to reconnect
Error: jtag status contains invalid mode value - communication failure
Polling target STM32L072CZYx.cpu failed, trying to reexamine
Examination failed, GDB will be halted. Polling again in 6300ms