From owner-freebsd-fs@freebsd.org  Fri Nov 13 10:13:18 2015
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Date: Fri, 13 Nov 2015 15:43:15 +0530
Message-ID: <CANpz8gTh=Sfc7LKxzcWoRE70HyKxziP25YJV-Mon7KzUaxHTUg@mail.gmail.com>
Subject: ZTEST failing in FreeBSD 10.1-RC3.
From: sheetalkumar BV <bv.sheetalkumar@gmail.com>
To: freebsd-fs@freebsd.org, freebsd-testing@freebsd.org
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Hi,
I'm Sheetal Kumar from CloudByte Technologies <http://www.cloudbyte.com/>,
currently me and my team are  exploring FreeBSD 10.1-RC3, when we came
across ZFS, we are not able to run ZTEST successfully, we are getting
following error when we run ZTEST.

*root@bsd10:~ #  ztest -t 1 -T 3600 -P 5 -VVVVVVVV
                   *

* 5 vdevs, 7 datasets, 1 threads, 3600 seconds...
                        Assertion failed: (tq->tq_freelist != NULL), file
/usr/src/cddl/lib/libzpool/../../../cddl/contrib/opensolaris/lib/libzpool/common/taskq.c,
line 289.                                                *
*child died with signal 6 *

So can you guys help us to understand this issue.