why a sleep() process goes into TASK_UNINTERUPTIBLE state? - Unix版

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Unix版 - why a sleep() process goes into TASK_UNINTERUPTIBLE state?

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话题: task话题: why话题: state话题: goes

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c******n
发帖数: 4965

I have a perl code, which fork() a child,
and then sleeps,
the child does an ssh to a un-reachable network, and hangs,
but then it seems that both processes later went into TASK_UNINTERUPTIBLE
state (ps output D ),
why is this?
Thanks

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