loops on shutdown

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loops on shutdown

Post by scasady » Fri Oct 05, 2012 11:58 am

I got this message repeated endlessly and rapidly on shutdown:

zfsvfs_teardown: znode 94551 leaking a vnode 0xffffff80418c3aa8?

The machine came back up fine after a hard reset but I was wondering what the problem might be and if there might be corruption somewhere or to just ignore it.
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launchd-shutdown.system.log

Post by grahamperrin » Fri Oct 05, 2012 1:52 pm

Assuming OS X 10.8.2

Aim for one or both of the following. If you like, set aside a copy of the one that includes the incident.

/private/var/log/com.apple.launchd/launchd-shutdown.system.log

/private/var/log/com.apple.launchd/launchd-shutdown.system.log.1

If corruption is a possibility, I'd begin with a scrub of the pool to which that zfsvfs_teardown related.

http://www.google.co.uk/search?hl=en&q= ... 20vnode%22 finds a few things. Adding +ZFS to the query finds nothing … as the benefits of timely review of launchd-shutdown.system.log may be not widely realised, it may be that people are simply not reporting (in public) relevant details.
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Re: loops on shutdown

Post by dbrady » Sat Oct 06, 2012 1:07 am

Did you have any snapshots mounted (from browsing them)?

This is harmless but unexpected. If you continue to observe this type of log entry let us know and we'll see if we can figure out what is going on.
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Re: loops on shutdown

Post by scasady » Sun Oct 07, 2012 12:06 pm

I don't think I had any snapshots open but not sure. One of the volumes has .zfs visible so a find might have mounted it.

The message was not in any logs just the screen (in text mode) and I didn't find anything in the logs that appeared connected.

It has only happened once so will just ignore for now.
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