How can I remove error like 'Waiting for debugger connection... Debugger connected Debugger connection lost. Shutting down...'

Mohan1 · ‎2019-11-30

Hello,

I am generating code using STM32CubeIDE ,but when i start to debug getting error like-

"STMicroelectronics ST-LINK GDB server. Version 5.2.3

Starting server with the following options:

Persistent Mode : Disabled

Logging Level : 1

Listen Port Number : 61234

Status Refresh Delay : 15s

Verbose Mode : Disabled

SWD Debug : Enabled

Waiting for debugger connection...

Debugger connected

Debugger connection lost.

Shutting down..."

I am using latest version of st-link USB driver(en.stsw link009).Also i am using USB to TTL converter.Initially everything working very well,near about ten code executed successfully.But now facing the above error.So how can i solve it?

Thanks in advance.

jw56 · ‎2020-03-01

Currently having the same issue - only difference is ST-LINK GDB server Version 5.5.0. Did you ever find a solution?

etheory · ‎2020-03-01

This happens to me quite frequently with a Nucleo board, and is usually fixed by unplugging then plugging back in the usb cable of your device. It's extremely frustrating that it is this unstable, but many other users seem to report similar things.

AAlve.11 · ‎2020-03-06

Same problem here with STM32g071 nucleo! any suggestions?

Vvine · ‎2020-04-09

Try to debug with the ST-LINK using a different project. It should work (worked for me atleast). Then again try with the original project.

EAppe.1 · ‎2020-12-31

I have the same issues:

target MCU programs correctly.
debug aborts on resume or run, then target runs by itself.
single-stepping works, but if breakpoints are set then on resuming or running then debugger never stops at the breakpoint(s).

Debugger connection lost.

Shutting down...

I have created a new post for this.