From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTP id 3A1D4679E2 for ; Thu, 26 May 2005 12:50:59 +1000 (EST) From: Benjamin Herrenschmidt To: Tom Parker In-Reply-To: <429517FF.2030400@tevp.net> References: <429237EC.4010104@tevp.net> <1116891693.30513.3.camel@gaston> <429517FF.2030400@tevp.net> Content-Type: text/plain Date: Thu, 26 May 2005 12:50:46 +1000 Message-Id: <1117075847.9076.9.camel@gaston> Mime-Version: 1.0 Cc: linuxppc-dev@ozlabs.org Subject: Re: Reading DVDs on a Mac mini List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Thu, 2005-05-26 at 02:27 +0200, Tom Parker wrote: > Benjamin Herrenschmidt wrote: > > On Mon, 2005-05-23 at 22:07 +0200, Tom Parker wrote: > >>The version of libdvdread in use is 0.9.4 (the Debian 0.9.4-5 > >>libdvdread3 package). > > > Does the debian package of libdvdread contains the CSS stuff ? > > No it doesn't, but it does include a shell script to download it if > you're living somewhere where libdvdcss is ok, and libdvdread will > dynamically load libdvdcss if it exists. I'm using libdvdcss 1.2.8 (latest). > > > Have you tried booting OS X and playing the DVD once ? Maybe the drive > > wants a zone to be set at least once, which MacOS does the first time > > you play a DVD > > Had to reinstall OS X to test this, and yup, it wants a zone to be set. > Returning back to Linux, some fiddling with regionset and some region 1 > and 2 DVDs lets me come to the following conclusions: > > 1) It's an RPC-2 DVD drive (i.e. evil, CSS-in-hardware drive), with the > whole "5 changes and then it locks" policy. > 2) It appears to be a really evil variant of RPC-2, in that if you've > got a CSS-locked DVD in the drive, and you're set on a different region > to the disk, you can't even get at the encrypted contents. The > aforementioned read errors keep turning up, making libdvdcss useless. > Or, this may just be an ide-cd bug with this drive... > 3) If drive region == disc region, it plays DVDs fine. > > >>hdparm -i says the drive is a "MATSHITACD-RW CW-8124". > > If anyone happens to have an RPC-1 firmware for this drive, or fixes to > ide-cd, I'd be most grateful! Some googling for the former is currently > unhelpful. Yah, I googled too and ended up with the same conclusion =P Ben.