https://community.nxp.com/t5/Kinetis-Microcontrollers/Problem-with-creating-task-on-k64-boards/m-p/1707867#M65466 <P>Have you made sure that you are using a reentrant version of printf(), or that you use it in a reentrant way?</P> Sun, 20 Aug 2023 17:52:27 GMT ErichStyger 2023-08-20T17:52:27Z https://community.nxp.com/t5/Kinetis-Microcontrollers/Problem-with-creating-task-on-k64-boards/m-p/1707864#M65465 <P>While creating two different tasks of same priority, only printf in task1 is working. After some delay function in 1, it works for only one time and&nbsp; task2 printf works for like 3 or 4 time then again back to task1 . Can someone please help me to solve this since I am new to this. Thank you&nbsp;</P> Sun, 20 Aug 2023 16:41:57 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/Problem-with-creating-task-on-k64-boards/m-p/1707864#M65465 Nileena 2023-08-20T16:41:57Z https://community.nxp.com/t5/Kinetis-Microcontrollers/Problem-with-creating-task-on-k64-boards/m-p/1707867#M65466 <P>Have you made sure that you are using a reentrant version of printf(), or that you use it in a reentrant way?</P> Sun, 20 Aug 2023 17:52:27 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/Problem-with-creating-task-on-k64-boards/m-p/1707867#M65466 ErichStyger 2023-08-20T17:52:27Z