[Bug 209158] node / npm triggering zfs rename deadlock

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=209158

paul at ifdnrg.com changed:

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                 CC|                            |paul at ifdnrg.com

--- Comment #48 from paul at ifdnrg.com ---

I believe i am seeing activity related to this PR

We're finding that npm gets stuck in updates, and if the parent is 
killed, it leaves a process in uninterruptible state

(this has not even been killlable during shutdown and a previous box 
with same symptoms has needed a hard reset)

Child processes get stuck in a DN state, it does not seem to matter if npm or
node was running prior to update,  as npm is called as part of the update
process.

This also seems to be affecting separate periodic scripts such as 100.checksuid
which also become stuck.

We now have 5 boxes in this state, and i suspect all will need a hard reboot to
clear.

Systems are FreeBSD 10.3-REL on ZFS

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