From owner-freebsd-fs@FreeBSD.ORG  Thu Oct  6 08:29:17 2011
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From: Sergey Gavrilov <srg.gavrilov@gmail.com>
To: freebsd-fs@freebsd.org
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Subject: ZFS v28: mount dataset hangs
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Hello, all.

After "chown -R" hanging and reboot I cannot mount one of the
datasets, while other pools work well.
CTRL-T shows state [tx->tx_sync_done_cv)]

Hardware: 3ware 9690SA-8I, 8 SEAGATE ST32000445SS in raidz2, 48 Gb
RAM, 2 E5520 CPU
Software: FreeBSD 8.2-STABLE #3: Wed Oct  5 18:04:50 MSD 2011
/usr/obj/usr/src/sys/GENERIC amd64, ZFS V28 compression=on

I can clone and mount any snapshot of the dataset, but not itself.
No errors in zpool status or system messages. Scrub has finished clear.

Let me know if I could provide any additional information to solve the issue.


-- 
Best regards,
Sergey Gavrilov