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Date: Sun, 23 Jun 2013 02:41:27 +0200
From: Willem Jan Withagen <wjw@digiware.nl>
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To: Jeremy Chadwick <jdc@koitsu.org>
Subject: Re: shutdown -r / shutdown -h / reboot all hang and don't cleanly
 dismount
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Cc: freebsd-stable@freebsd.org, Adam Strohl <adams-freebsd@ateamsystems.com>
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On 19-6-2013 17:04, Jeremy Chadwick wrote:
> - Adam runs 9.1-RELEASE because of business needs pertaining to
>    freebsd-update and binary updates.  (I ask more about this for
>    benefits of readers below, however -- because this situation comes
>    up a lot and I want to know what real-world admins do)

The bug is very specifically available in 9.1-RELEASE because I got bit 
by it before the release of 9.1. But discussed it with avg@ and it did 
not make it into the release, but was submitted only like 2 weeks later.

So in that case you can probably stop looking.

For just about any 9.1-STABLE after that should the fix be in the code.

--WjW