From: Joerg Schilling <schilling@fokus.fraunhofer.de>
Date: Mon, 13 Feb 2006 15:33:06 +0100
To: schilling@fokus.fraunhofer.de, peter.read@gmail.com, mj@ucw.cz,
       matthias.andree@gmx.de, linux-kernel@vger.kernel.org,
       jim@why.dont.jablowme.net, jengelh@linux01.gwdg.de, alex@samad.com.au
Subject: Re: CD writing in future Linux (stirring up a hornets' nest)
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In-Reply-To: <20060213005002.GK26235@samad.com.au>
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Alexander Samad <alex@samad.com.au> wrote:

> On Fri, Feb 10, 2006 at 12:49:30PM +0100, DervishD wrote:
> >     Hi Joerg :)
> > 
> >  * Joerg Schilling <schilling@fokus.fraunhofer.de> dixit:
> > > Martin Mares <mj@ucw.cz> wrote:
> > > > > This is why the mapping engine is in the Linux adoption part of
> > > > > libscg. It maps the non-stable device <-> /dev/sg* relation to a
> > > > > stable b,t,l address.
> > > >
> > > > Nonsense. The b,t,l addresses are NOT stable (at least for transports
> > > 
> > > Dou you like to verify that you have no clue on SCSI?
> > 
> >     My system is clueless, too! If I write a CD before plugging my
> > USB storage device, my CD writer is on 0,0,0. If I plug my USB
> > storage device *before* doing any access, my cdwriter is on 1,0,0.
> > Pretty stable.
>
> Had exactly the same problem with firewire and usb devices, depending on
> the order of the loading of the kernel modules it all changes!

This is a deficite of the Linux kernel model. You don't have similar
problems on Solaris.

J?rg

-- 
 EMail:joerg@schily.isdn.cs.tu-berlin.de (home) J?rg Schilling D-13353 Berlin
       js@cs.tu-berlin.de                (uni)  
       schilling@fokus.fraunhofer.de     (work) Blog: http://schily.blogspot.com/
 URL:  http://cdrecord.berlios.de/old/private/ ftp://ftp.berlios.de/pub/schily
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