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Date: Mon, 14 Sep 1998 01:38:39 -0700 (PDT)
From: "Jan B. Koum " <jkb@best.com>
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To: mobile@FreeBSD.ORG, questions@FreeBSD.ORG
Subject: Can't play CD on Dell Laptop.
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	Hello all,

	I am having problems playing audio CDs on my Dell Latitude CP. I
am using cdcontrol(1) and here is the result I get:

natasha# cdcontrol
Compact Disc Control utility, version 2.0
Type `?' for command list

cdcontrol> play          // Nothing occurs: no sound or disk activity
cdcontrol> play 2        // This time I get an error.. odd.
cdcontrol: Input/output error
cdcontrol> debug on
cdcontrol> play
cdcontrol> play 2
cdcontrol: Input/output error
cdcontrol> quit

	Here is what I got with dmesg(8) after doing "debug on" above:

atapi1.0: req w a5-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0 len=0
atapi1.0: start
atapi1.0: intr ireason=0x1, len=0, status=58<ready,opdone,drq>, error=0
atapi1.0: send cmd PLAY_BIG a5-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0
atapi1.0: intr ireason=0x3, len=84, status=50<ready,opdone>, error=0
atapi1.0: req w a5-0-0-0-50-30-ff-ff-af-d0-0-0-0-0-0-0 len=0
atapi1.0: start
atapi1.0: intr ireason=0x1, len=0, status=58<ready,opdone,drq>, error=0
atapi1.0: send cmd PLAY_BIG a5-0-0-0-50-30-ff-ff-af-d0-0-0-0-0-0-0
atapi1.0: intr ireason=0x3, len=84, status=51<ready,opdone,check>,
error=54<abort>
wcd0: invalid command
atapi1.0: req w 1e-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0 len=0
atapi1.0: start
atapi1.0: intr ireason=0x1, len=0, status=58<ready,opdone,drq>,
error=54<abort>
atapi1.0: send cmd PREVENT_ALLOW 1e-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0
atapi1.0: intr ireason=0x3, len=84, status=50<ready,opdone>, error=0

	Any atapi experts here? The system is standard 2.2.7 running
-STABLE of a week or so old. System does find CD-Rom OK except for that
"unknown phase" error (how bad is that?):

wdc1 at 0x170-0x177 irq 15 on isa
wdc1: unit 0 (atapi): <CD-ROM  CDR_U200/1.09>, removable, intr, dma, 
iordis
atapi1.0: unknown phase

	Any help or clues will be greatly appreciated. System does play 
au/wav/mp3 files just fine with OSS drivers FWIW.

-- Yan


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