STM Disco not debugging

[laurenmurphyx64]

Hi all, am I doing anything obviously wrong here, or is this a bug? disco_l475_iot1

$ west build -p -b disco_l475_iot1 samples/hello_world
$ west debug
-- west debug: rebuilding
[1/1] cd /home/lauren/zephyrproject/zephyr/build/zephyr && /home/lau...--elf-file=/home/lauren/zephyrproject/zephyr/build/zephyr/zephyr.elf
-- west debug: using runner openocd
-- runners.openocd: OpenOCD GDB server running on port 3333; no thread info available
Open On-Chip Debugger 0.11.0+dev-00726-ge2b6f5655 (2023-11-15-11:07)
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
srst_only separate srst_nogate srst_open_drain connect_deassert_srst

Info : clock speed 500 kHz
Info : STLINK V2J39M27 (API v2) VID:PID 0483:374B
Info : Target voltage: 3.221593
GNU gdb (Zephyr SDK 0.16.4) 12.1
Copyright (C) 2022 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "--host=x86_64-build_pc-linux-gnu --target=arm-zephyr-eabi".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<https://github.com/zephyrproject-rtos/sdk-ng/issues>.
Find the GDB manual and other documentation resources online at:
    <http://www.gnu.org/software/gdb/documentation/>.

For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from /home/lauren/zephyrproject/zephyr/build/zephyr/zephyr.elf...
Warn : target stm32l4x.cpu examination failed
Error: jtag status contains invalid mode value - communication failure
Polling target stm32l4x.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 stm32l4x.cpu failed, trying to reexamine
Examination failed, GDB will be halted. Polling again in 300ms
Info : starting gdb server for stm32l4x.cpu on 3333
Info : Listening on port 3333 for gdb connections
    TargetName         Type       Endian TapName            State       
--  ------------------ ---------- ------ ------------------ ------------
 0* stm32l4x.cpu       hla_target little stm32l4x.cpu       unknown

Warn : target was in unknown state when halt was requested

:3333: Connection timed out.
You can't do that when your target is `exec'
(gdb)

[MY201314MY]

I have the same issue on tag v4.1.0, my board is stm32f4_disco

[FRASTM]

Hi @MY201314MY
Can you try with "west debug --runner openocd"