J-Link: Live expression do not work after upgrade to STM32CubeIDE 2.1.0

[Stefan1]

Title edited to indicate that this is specific to J-Link.

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Hi,

After updating to STM32CubeIDE 2.1.0 I get the following message after starting a debug session. Live expressions do not work.

From the console:

SEGGER J-Link GDB Server V9.14a Command Line Version

JLinkARM.dll V9.14a (DLL compiled Jan 28 2026 17:11:52)

Command line: -port 2331 -s -device STM32F769NI -endian little -speed 4000 -if swd -swoport 2332 -vd -rtos C:\ST\STM32CubeIDE_1.11.2\STM32CubeIDE\plugins\com.st.stm32cube.ide.mcu.externaltools.jlink.win32_2.5.200.202601091506\tools\bin\GDBServer\RTOSPlugin_FreeRTOS.dll
-----GDB Server start settings-----
GDBInit file:                  none
GDB Server Listening port:     2331
SWO raw output listening port: 2332
Terminal I/O port:             2333
Accept remote connection:      localhost only
Generate logfile:              off
Verify download:               on
Init regs on start:            off
Silent mode:                   off
Single run mode:               on
Target connection timeout:     0 ms
------J-Link related settings------
J-Link Host interface:         USB
J-Link script:                 none
J-Link settings file:          none
------Target related settings------
Target device:                 STM32F769NI
Target device parameters:      none
Target interface:              SWD
Target interface speed:        4000kHz
Target endian:                 little

Connecting to J-Link...
J-Link is connected.
Firmware: J-Trace PRO V2 Cortex-M compiled Dec  4 2024 17:58:04
Hardware: V2.00
S/N: 752000803
Feature(s): RDI, FlashBP, FlashDL, JFlash, GDB
Checking target voltage...
Target voltage: 3.33 V
Listening on TCP/IP port 2331
Connecting to target...
Halting core...
Connected to target

The debug settings:

[Andrew Neil]

What version did you upgrade from ?

Presumably you did have it working in that previous version?

And other debugging stuff is working OK?

[AScha.3]

btw You set the core clock to 8M - really run the core at 8 MHz ?? set the real core clock here.

[Stefan1]

I upgraded from STM32CubeIDE 2.0.0

Live Expression did work before; I simply updated and then started the debugging and got the message.

[Stefan1]

I have now changed the core speed setting to 216 MHz, but the same issue remains.

Thank you for noticing.

[Andrew Neil]

and other debug functions still work as before ?

[Stefan1]

Expressions and Breakpoints work as usual.

[Stefan1]

A reinstall did not solve the issue.

[Andrew Neil]

Does it work with ST-Link ?

[DKilg]

Hi,

I’m experiencing the same issue after updating to STM32CubeIDE 2.1.0.

Live expressions are not working for me after the update using J-Trace PRO V3 Cortex.