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Date: Wed, 12 Dec 2012 21:39:09 +0100
From: Bruno =?UTF-8?B?UHLDqW1vbnQ=?= <bonbons@linux-vserver.org>
To: Jacek Poplawski <jacekpoplawski@gmail.com>
Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org
Subject: Re: "attempt to access beyond end of device" on DVD
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On Wed, 12 December 2012 Jacek Poplawski wrote:
> On 12/12/12, Bruno Prémont wrote:
> > On Wed, 12 December 2012 Jacek Poplawski wrote:
> >> OK, I was wrong previously.
> >>
> >> I don't need to reload sr_mod, I only need to remount DVD.
> >>
> >> The reason I was wrong is I was suspecting that DVD remounts itself
> >> after eject, but looks like it doesn't. Also it means that the problem
> >> is different than 3 years ago, because I am sure I was remounting DVD
> >> by hand and now I use some automount feature of Arch Linux / GNOME3.
> >
> > What kind of filesystem do you have on your CD/DVDs?
> 
> I backup files with k3b with default settings, so it is iso9660.
> 
> However I don't fully understand how this automount works, I am afraid
> this problem it may be related to this mechanism. When I insert first
> DVD it's mounted and when I remove DVD and put another one it's still
> mounted as before, so maybe driver is confused and still thinks the
> size of the DVD is like the first one.

Usually you have to unmount CD/DVD to be able to eject it (otherwise tray
is locked).
I never used automount myself so I can't tell, tough I would expect it to
catch "eject" request, unmount and then eject the disc.

Bruno