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Date:      Wed, 19 Jun 2013 21:29:07 +0700
From:      Adam Strohl <adams-freebsd@ateamsystems.com>
To:        Steven Hartland <killing@multiplay.co.uk>
Cc:        Jeremy Chadwick <jdc@koitsu.org>, freebsd-stable@freebsd.org
Subject:   Re: shutdown -r / shutdown -h / reboot all hang and don't cleanly dismount
Message-ID:  <51C1C033.2070608@ateamsystems.com>
In-Reply-To: <5E09EEAA4AD54088B5B4C763CA01E967@multiplay.co.uk>
References:  <51C1979D.3010305@ateamsystems.com> <20130619122143.GA70813@icarus.home.lan> <51C1A9BF.8030304@ateamsystems.com> <20130619133538.GA71689@icarus.home.lan> <51C1BCF6.8090606@ateamsystems.com> <5E09EEAA4AD54088B5B4C763CA01E967@multiplay.co.uk>

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On 6/19/2013 21:21, Steven Hartland wrote:
> You still need to test if stable/9 fixes your issue though as otherwise
> you don't know if the issue your seeing has already been fixed, and if
> its the old know ZFS vfs hang on shutdown, it has.

Thanks Steve, understood but probably not going to happen with this box. 
  I can reboot this thing but it's our NAS and not a test bed.  This 
problem on this machine isn't a big deal because its a server and not 
rebooted often (and easy to bring back).  But I more was hoping it would 
let me easily test solutions to the issue since the other servers 
showing the issue are in client production with the mind that the VMs 
not use ZFS also show a similar/identical issue....  My gut says it 
appeared in/with 9.1 (We never saw this with 9.0 servers).   It is also 
possible this is a different issue from those other servers and VMs.

How far away is 9.2? ;-P

Depending on how things go with Jeremy I'll probably have to wait this 
out unless I can get a test machine or VM where I can reproduce the 
issue AND upgrade it to -STABLE (again assuming it's even the same issue).



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