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FreeRTOS Support ArchiveThe FreeRTOS support forum is used to obtain active support directly from Real Time Engineers Ltd. In return for using our top quality software and services for free, we request you play fair and do your bit to help others too! Sign up to receive notifications of new support topics then help where you can.
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Data Aborts, unexpected results, crashes!Posted by Janaka on January 12, 2006 First of all let me say that FreeRTOS is a Great project! Problem: I was doing some USB stuff on a AT91SAM7S64 when I was getting Data Aborts (dabtvec), Prefech Aborts (pabtvec) and other unexpected results and eventual crashes (hangups). Cause: Lack of task stack space. I was setting the task stacks to 100 (in SAM7 it is 100x4 bytes). My estimations of local variable calculations were correct BUT the GOTCHA was the functional depth. I totally ignored the stack usage when functions are called. As you get deeper it uses more stack to store your parameters etc. Solution: Increased the stack size. Its working like a charm since then! Cheers RE: Data Aborts, unexpected results, crashes!Posted by Nobody/Anonymous on January 13, 2006 Thanks for the feedback.
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NXP tweet showing LPC5500 (ARMv8-M Cortex-M33) running FreeRTOS.
Meet Richard Barry and learn about running FreeRTOS on RISC-V at FOSDEM 2019
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FreeRTOS and other embedded software careers at AWS.
