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Date: Sat, 16 Oct 2004 12:40:24 -0700 (PDT)
From: Doug White <dwhite@gumbysoft.com>
To: "Alexander S. Usov" <A.S.Usov@KVI.nl>
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cc: current@freebsd.org
Subject: Re: Problems using AMD automounter on BETA7
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On Fri, 15 Oct 2004, Alexander S. Usov wrote:

> Hi.
>
> I have found a very strange behavior on using the external USB-HDD
> and automounting it under BETA7.

Is this a High-speed USB device?  I can reproduce transaction loss on my
KT400 machine in the ehci driver that generates log entries like this.

> In the same time the copying itself went smooth.
> BTW, is it enough to just dismount partition to make it flush all
> buffers before switching the HDD off ?

In general, yes.

> And is it also holds for the msdos_fs, as this one can't be mounted
> in sync mode ?

Yes. _ALWAYS_ unmount all filesystems from a device before detaching it,
or you will get panics.

-- 
Doug White                    |  FreeBSD: The Power to Serve
dwhite@gumbysoft.com          |  www.FreeBSD.org