Date: Tue, 2 Oct 2018 09:48:57 -0500 From: Valeri Galtsev <galtsev@kicp.uchicago.edu> To: freebsd-questions@freebsd.org Subject: Re: problem with some audio CD Message-ID: <626b3444-24ae-1e92-645c-7aa03075f223@kicp.uchicago.edu> In-Reply-To: <20181002104104.GA2866@c720-r314251> References: <20181002104104.GA2866@c720-r314251>
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On 10/2/18 5:41 AM, Matthias Apitz wrote: > > Hello, > > I have some audio CD which is part of a French school book. This CD, on > insert in all my FreeBSD laptops, does not even come ready and gives > continuous errors in /var/log/messages (see below). The system is: > > $ uname -a > FreeBSD c720-r314251 12.0-CURRENT FreeBSD 12.0-CURRENT #1 r314251M: Fri Jun 30 08:50:03 CEST 2017 guru@c720-r314251:/usr/obj/usr/src/sys/GENERIC amd64 > > In my CD/DVD player of my TV equipment and in a Win7 laptop the CD is > working. Is this some kind of copy protection? Without looking at errors I would recommend this: find CD only optical drive, and read CD on it (and maybe make disk image if it is legal to make backup image of content sold to you in your locality). The reason is pure physics: laser heads used for CDs and CD/DVD combos (and Bluray, - the last will be using DVD part of optics) are different, and sometimes CD/DVD reader that has sharper beam has less success reading CDs (especially older/aged, etc). I hope, this helps. Valeri > > Any ideas? Thanks > > matthias > > > _______________________________________________ > freebsd-questions@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" > -- ++++++++++++++++++++++++++++++++++++++++ Valeri Galtsev Sr System Administrator Department of Astronomy and Astrophysics Kavli Institute for Cosmological Physics University of Chicago Phone: 773-702-4247 ++++++++++++++++++++++++++++++++++++++++
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