From owner-freebsd-mobile  Sun Apr 16 13:41:49 2000
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From: Soren Schmidt <sos@freebsd.dk>
Message-Id: <200004162041.WAA28488@freebsd.dk>
Subject: Re: READ_BIG error using external DVD-ROM as acd0
In-Reply-To: <20000416162956.D20339@numachi.com> from Brian Reichert at "Apr 16, 2000 04:29:56 pm"
To: reichert@numachi.com (Brian Reichert)
Date: Sun, 16 Apr 2000 22:41:34 +0200 (CEST)
Cc: freebsd-mobile@FreeBSD.ORG
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It seems Brian Reichert wrote:
> 
> To sum up, I can read all of the files on the DVD-ROM, with the
> exception of 10 really huge vob files.
> 
> Syslog shows:
> 
>   Apr 16 15:43:22 tetsuo /kernel: acd0: READ_BIG - ILLEGAL REQUEST
>   asc=6f ascq=03 error=04

Thats because the DVD's are protected with the CSS stuff, the above
error is "read of scrambled data without authentification"...

You need css-auth or decss to access to data...

-Søren


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