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Date: Sat, 28 Aug 2010 13:41:52 -0400 (EDT)
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From: Garrett Wollman <wollman@freebsd.org>
To: avg@icyb.net.ua
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Cc: current@freebsd.org
Subject: Re: Difficulty playing DVDs under AHCI/CAM?
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In article <4C79499B.3050305@icyb.net.ua> avg@icyb.net.ua writes:
>> [I wrote:]
>> ...say what?  Why is the cd driver suddenly returning ENXIO?
>
>Strange indeed.
>Can you dtrace this read?  You can use combination of syscall and fbt providers
>with execname predicate.

You're going to have to be much much more specific than that.

-GAWollman