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Date:      Thu, 6 Oct 2011 21:15:35 +0300
From:      Tomi =?iso-8859-1?Q?Pievil=E4inen?= <tomi.pievilainen@iki.fi>
To:        freebsd-fs@freebsd.org
Subject:   System freezes when trying to enable ZFS
Message-ID:  <20111006181535.GE9549@shirio.kyla.fi>

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--GLp9dJVi+aaipsRk
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I recently had a system disk break and had to do a reinstall. The
machine also had a five disk raidz pool for files, that worked fine
after the reinstall to a new disk and doing an zfs import. However
after booting the machine again, doing a zfs list or zpool list
"hangs" the machine.

A message about prefetch problems, filesystem version 4 and pool
version 15 is printed to the first console, then I can change between
consoles and write to the first console, but cannot log in via ssh or
other consoles (trying to write the username outputs nothing in
console, and ssh never asks for password). The machine does answer to
ping however, so it's not really completely out of the network either.

I haven't figured out any other way to unfreeze the machine except
hard reboot, after which the problem can be reproduced by doing
zfs/zpool list. Before that the machine works fine. Any idea what's
going on?

--=20
Tomi Pievil=E4inen, +358 400 487 504
A: Because it disrupts the natural way of thinking.
Q: Why is top posting frowned upon?

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