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Date: Tue, 7 Sep 2010 20:21:43 +0200
From: Alejandro Riveira =?UTF-8?B?RmVybsOhbmRleg==?= 
	<ariveira@gmail.com>
To: Pedro Francisco <pedrogfrancisco@gmail.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: 2.6.35.4: sudo rmmod ahci @ 2.6.35.4 succeeds: filesystem
 access errors follow
Message-ID: <20100907202143.02cf60ec@varda>
In-Reply-To: <201009071834.27953.pedrogfrancisco@gmail.com>
References: <201009071834.27953.pedrogfrancisco@gmail.com>
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El Tue, 7 Sep 2010 18:34:27 +0100
Pedro Francisco <pedrogfrancisco@gmail.com> escribió:

> sudo rmmod ahci @ 2.6.35.4 succeeds: filesystem access errors follow.
> 
> Now what I'm surprised is not the filesystem errors but me being allowed to 
> remove the module without using the '-f' option.
> 
> Do note, lsmod |grep ahci reports something like [this is adapted from a 
> 2.6.32 kernel]:
> 
> ahci                   32200  0
> 
> so it isn't at all surprising I'm being allowed to remove a seemingly unused 
> module. So....
> a) is this supposed to happen?

 Yes afaics. root can do many stupid things if (s)he wants
 including « rm -rf --no-preserve-root / »

> b) do you need any more info?
> 
> P.S.: CC'ing me will probably ensure I'll reply faster but not explicitly 
> needed since I'm subscribed.