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Date: Mon, 2 Feb 2009 15:07:36 +0100 (CET)
From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
To: Gilles <gilles.ganault@free.fr>
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Cc: freebsd-questions@freebsd.org
Subject: Re: [6.3] ALT-CTRL-DEL = clean unmount?
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> I was wondering: When hitting the ALT-CTRL-DEL combination as an easy
> way to call "reboot", does this unmount disks properly?

it actually calls shutdown -r now

>
> I'm concerned because I did this recently, and here's what dmesg says:
>
> 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
>
there is another reason for this.