Odd hang in python waiting for child; strace wakes hung process?

[Achim Gratz]

Dan Kegel writes:
> 1) kill -CONT the-pid doesn't do anything, nor does kill -9.  It's
> truly wedged.

No, you send CONT to all processes (like 'pkill -CONT .'), it seems that
this gets whatever was wedged enough of a kick to retry or time out and
then it (often, not always) it seems to start reaping processes again
and the <defuncts> start to vanish.  You can tell you have one of these
when just doing a ps takes much longer than usual when it hits those
processes.


Regards,
Achim.
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