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Super User
June 30, 2019
Question

"Trace: no synchronization" error with ST-LINK/V2 debugger

  • June 30, 2019
  • 1 reply
  • 809 views

0690X000009YDNRQA4.jpgA remote co-worker has this problem with Keil 2.56.2 and white ST-LINK/V2 dongle.

Our setup is same, for me the trace and ITM works fine. The "Trace: no synchronization" message sometimes shows up but usually quickly disappears.

For him, it stays and won't go away.

His ST-LINK firmware is even newer than mine: he has V2J33S7, mine is V2J31S7.

What else can be the reason? Sofware? ST-LINK?

Thanks for any (reasonable) suggestion

-- pavel

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    1 reply

    Pavel A.Author
    Super User
    July 1, 2019

    up