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Date: Sun, 25 Sep 2011 12:07:18 -0700
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From: Garrett Cooper <yanegomi@gmail.com>
To: lev@freebsd.org
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Cc: freebsd-fs@freebsd.org, Xin LI <delphij@freebsd.org>, current@freebsd.org
Subject: Re: Need to force sync(2) before umounting UFS1 filesystems?
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2011/9/25 Lev Serebryakov <lev@freebsd.org>:
> Hello, Garrett.
> You wrote 25 =D3=C5=CE=D4=D1=C2=D2=D1 2011 =C7., 12:06:05:
>
>> =9A =9A Talking to Xin yesterday, he was convinced that this was a
>> filesystem//kern bug. Before I file a PR, I'm wondering if anyone else
>> has seen this issue..
> =9AYes, and I posted message about it in embedded@ (Message-ID
> <1175277342.20110821215629@serebryakov.spb.ru>), I've got additional
> question from Warner Losh about base (underlying) file system, without
> any additional reaction.

Thanks for the comments Adrian and Lev! I've filed PR 161016 to track
the issue, because it might be due to changes in the SU code, md, or a
subtle race condition in umount (highly unlikely, but it's been
noted).
-Garrett