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Date:      Mon, 02 Feb 2009 12:19:59 +0100
From:      Ivan Voras <ivoras@freebsd.org>
To:        freebsd-questions@freebsd.org
Subject:   Re: [6.3] ALT-CTRL-DEL = clean unmount?
Message-ID:  <gm6kt4$cob$1@ger.gmane.org>
In-Reply-To: <aokdo4h245r25j86fsda28stvmhasqd95v@4ax.com>
References:  <aokdo4h245r25j86fsda28stvmhasqd95v@4ax.com>

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Gilles wrote:
> Hello
>=20
> I was wondering: When hitting the ALT-CTRL-DEL combination as an easy
> way to call "reboot", does this unmount disks properly?

Yes.

> I'm concerned because I did this recently, and here's what dmesg says:
>=20
> ad0: DMA limited to UDMA33, controller found non-ATA66 cable
> ad0: 19092MB <Seagate ST320413A 3.39> at ata0-master UDMA33
> acd0: CDROM <ASUS CD-S400/A/V2.3H> at ata1-master UDMA33
> Trying to mount root from ufs:/dev/ad0s1a
> WARNING: / was not properly dismounted
> WARNING: /tmp was not properly dismounted
> WARNING: /usr was not properly dismounted
> WARNING: /var was not properly dismounted

The OS reboot process might have been interrupted somehow, or your drive
might be caching more than it should be.


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