# Communication between tasks and co-routines

**URL:** <https://forums.freertos.org/t/communication-between-tasks-and-co-routines/4677>\
**Category:** Kernel\
**Created:** [January 16, 2007, 4:30pm UTC](https://forums.freertos.org/t/communication-between-tasks-and-co-routines/4677 "2007-01-16T16:30:59Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![system](https://d2v6vdsk2p900z.cloudfront.net/original/1X/7fc8fdb729c645aab5b20282bbe34e57cb407be6.jpeg) [@system](https://forums.freertos.org/u/system)\
**Post date:** [January 16, 2007, 4:30pm UTC](https://forums.freertos.org/t/communication-between-tasks-and-co-routines/4677/1 "2007-01-16T16:30:59Z")

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**nobody** wrote on [Tuesday, January 16, 2007](https://sourceforge.net/p/freertos/discussion/382005/thread/ce322ef4/#939b):

Hi,  
is it allowed to use blocking queues for communication between a co-routine and a task? If i do this my system crash!!

Regards  
Markus