It has one or more resources in use

It has one or more parent tasks not terminated

It is still waiting for some locks

It is waiting for sleep or a timer to complete

It has been preempted by an interrupt handler

It has been preempted by another task

It has one or more child tasks not terminated

It has one or more siblings tasks not terminated

It has insufficient priority to complete execution at termination

It has not yet freed all the memory it was using