Thingy 91 debugging using breakpoints not working

RE: Thingy 91 debugging using breakpoints not working

Øyvind — Wed, 29 Nov 2023 16:35:26 GMT

Hi, sorry for the late reply. No updates from our side. The debug feature in VS Code have provided some unwanted cases in certain cases. Our VS Code extension team are working towards an optimal solution, but nothing at the moment. As I'm not able to reproduce what you are seeing, I am not able to provide any solution right now.

RE: Thingy 91 debugging using breakpoints not working

zazas321 — Tue, 28 Nov 2023 05:31:34 GMT

I have tested it via nRF9160DK and the output is exactly the same.

Keep in mind that if I just press F5 multiple times to skip all the tfm functions that are triggered, I will eventually get to the breakpoint that I have placed in my main.c.

So it works but not quite the same as on your side which is strange.

Regarding the Segger Ozone, I have actually downloaded that the other day but havent set it up fully.

When I click Debug with Ozone:

The ozone opens up but there seems to be some issue regarding source files not being found:

Perhaps its best to contact segger regarding that.

RE: Thingy 91 debugging using breakpoints not working

Øyvind — Mon, 27 Nov 2023 19:19:26 GMT

Hello, sorry for the delayed answer. Do you have e.g. Segger Ozone available, or are you able to test with that using an external programmer i.e. nRF9160DK?

-Øyvind

RE: Thingy 91 debugging using breakpoints not working

zazas321 — Wed, 15 Nov 2023 09:51:02 GMT

I have placed the breakpoint once again on the k_msleep. After I run the debugger, for some reason the code stops at tfm_arch_config_extensions function (as I have shown in my initial post).

The debug console logs:

JLinkGDBServerCL: SEGGER J-Link GDB Server V7.88m Command Line Version
JLinkGDBServerCL: 
JLinkGDBServerCL: JLinkARM.dll V7.88m (DLL compiled Jul 19 2023 14:27:38)
JLinkGDBServerCL: 
JLinkGDBServerCL: -----GDB Server start settings-----
JLinkGDBServerCL: GDBInit file:                  none
JLinkGDBServerCL: GDB Server Listening port:     50693
JLinkGDBServerCL: SWO raw output listening port: 2332
JLinkGDBServerCL: Terminal I/O port:             2333
JLinkGDBServerCL: Accept remote connection:      localhost only
JLinkGDBServerCL: Generate logfile:              off
JLinkGDBServerCL: Verify download:               off
JLinkGDBServerCL: Init regs on start:            off
JLinkGDBServerCL: Silent mode:                   on
JLinkGDBServerCL: Single run mode:               on
JLinkGDBServerCL: Target connection timeout:     0 ms
JLinkGDBServerCL: ------J-Link related settings------
JLinkGDBServerCL: J-Link Host interface:         USB
JLinkGDBServerCL: J-Link script:                 none
JLinkGDBServerCL: J-Link settings file:          none
JLinkGDBServerCL: ------Target related settings------
JLinkGDBServerCL: Target device:                 cortex-m33
JLinkGDBServerCL: Target device parameters:      none
JLinkGDBServerCL: Target interface:              SWD
JLinkGDBServerCL: Target interface speed:        12000kHz
JLinkGDBServerCL: Target endian:                 little
JLinkGDBServerCL: 
=thread-group-added,id="i1"
=cmd-param-changed,param="pagination",value="off"
arch_cpu_atomic_idle () at C:/Users/petrikas.lu/Desktop/WORK/NRF/Thingy_91/external/zephyr/arch/arm/core/aarch32\cpu_idle.S:203
203		msr	BASEPRI, r0
Execute debugger commands using "-exec <command>", for example "-exec info registers" will list registers in use (when GDB is the debugger)

Breakpoint 2, tfm_core_init () at C:/Users/petrikas.lu/Desktop/WORK/NRF/Thingy_91/external/modules/tee/tf-m/trusted-firmware-m/secure_fw/spm/cmsis_psa/main.c:64
64	    tfm_arch_config_extensions();

I have also generated support information:

[14:33:03] ENOENT: no such file or directory, open 'c:\ncs\v2.4.0\.west\config' (c:\ncs\v2.4.0)
[14:33:21] nRF Command Line Tools 10.23.2 are up to date
[14:33:39] ENOENT: no such file or directory, open 'c:\ncs\v2.4.0\.west\config' (c:\ncs\v2.4.0)
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I hope we can get to the bottom of this as this is quite strange!

RE: Thingy 91 debugging using breakpoints not working

Øyvind — Wed, 15 Nov 2023 09:27:40 GMT

I'm still not able to reproduce. What does the output in your Debug Console state?

Here is mine

RE: Thingy 91 debugging using breakpoints not working

zazas321 — Wed, 15 Nov 2023 07:43:21 GMT

Hello! Before I captured the support information I went ahead and tried something else. Please see the image that I have attached on my initial post:

As you can see, the breakpoint is placed on the k_msleep function instead of printf.

When the breakpoint is placed on the k_msleep, I will get the behaviour that I have explained initially. However, if I remove the breakpoint at k_msleep and add a break point at printf line (line 13). The debug will work as expected and the program will stop at the printf.

Is there any particular reason why I would not be able to use breakpoint at k_msleep? Are you able to reproduce the issue if you place it on the k_msleep as well?

RE: Thingy 91 debugging using breakpoints not working

Øyvind — Tue, 14 Nov 2023 14:51:42 GMT

I just tested without the debug overlay and got the same result. Could you please provide the output of running the nRF Connect: Generate Support information from the VS Code command palette?

RE: Thingy 91 debugging using breakpoints not working

zazas321 — Tue, 14 Nov 2023 14:17:46 GMT

Its great that yours are working great.

Perhaps you got any ideas why would mine work differently? Is there something else I should try to provide you more information so you can help me out atleast a little?

You mentioned something about debug kconfig overlay. Thats not something I am familliar with. I dont think I used it. Could that be the case?

Do you need to set anything in prj.conf?

Would it help if I share to you the whole project including configuration and everything so you can try to replicate the issue on the exact same project?

RE: Thingy 91 debugging using breakpoints not working

Øyvind — Tue, 14 Nov 2023 14:06:25 GMT

Hello,

I've tried to reproduce your issue, running Hello World (NCS v2.5.0) in debug mode. The initial test would stop at break point set in main.

Pressing F5 to continue, it would end up here when pressing pause.

I did another test with the Asset Tracker v2 instead from v2.5.0, building with debug KConfig overlay

This would consistently trigger the break point I set in e.g. src/events/led_state_event.h

Kind regards,
Øyvind