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Date:      Thu, 30 Jul 1998 02:06:55 -0700 (PDT)
From:      "Jan B. Koum " <jkb@best.com>
To:        questions@FreeBSD.ORG
Cc:        mobile@FreeBSD.ORG
Subject:   wcd0: cannot read audio disc
Message-ID:  <Pine.BSF.3.96.980730015601.19207A-100000@shell6.ba.best.com>

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	Hello,

	Anyone know what can be the problem? The system is Dell Latitude
CP running 2.2.6-RELEASE with PAO patches. I get this error when I try to
run cdcontrol (doing so as root).
	Here is relevant dmesg info:

Jul 30 01:31:57 looser /kernel: wdc0 at 0x1f0-0x1f7 irq 14 on isa
Jul 30 01:31:57 looser /kernel: wdc0: unit 0 (wd0): <IBM-DTCA-23240>
Jul 30 01:31:57 looser /kernel: wd0: 3102MB (6354432 sectors), 6304 cyls,
16 heads, 63 S/T, 512 B/S
Jul 30 01:31:57 looser /kernel: wdc1 at 0x170-0x177 irq 15 on isa
Jul 30 01:31:57 looser /kernel: wdc1: unit 0 (atapi): <CD-ROM 
CDR_U200/1.09>, removable, intr, dma, iordis
Jul 30 01:31:57 looser /kernel: atapi1.0: unknown phase

	Here is output of "debug on" under cdcontrol:

Jul 30 01:49:24 looser /kernel: atapi1.0: req w
a5-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0 len=0
Jul 30 01:49:24 looser /kernel: atapi1.0: start
Jul 30 01:49:24 looser /kernel: atapi1.0: intr ireason=0x1, len=0,
status=58<ready,opdone,drq>, error=0
Jul 30 01:49:24 looser /kernel: atapi1.0: send cmd PLAY_BIG
a5-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0
Jul 30 01:49:27 looser /kernel: atapi1.0: intr ireason=0x3, len=108,
status=50<ready,opdone>, error=0
Jul 30 01:49:56 looser /kernel: atapi1.0: req w
1e-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0 len=0
Jul 30 01:49:56 looser /kernel: atapi1.0: start
Jul 30 01:49:56 looser /kernel: atapi1.0: intr ireason=0x1, len=0,
status=58<ready,opdone,drq>, error=0
Jul 30 01:49:56 looser /kernel: atapi1.0: send cmd PREVENT_ALLOW
1e-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0
Jul 30 01:49:56 looser /kernel: atapi1.0: intr ireason=0x3, len=108,
status=50<ready,opdone>, error=0

	Here is related kernel config part:

controller      wdc1    at isa? port "IO_WD2" bio irq 15 vector wdintr
#disk           wd1     at wdc1 drive 0
options         ATAPI           #Enable ATAPI support for IDE bus
options         ATAPI_STATIC    #Don't do it as an LKM

	Any clues? I can read data disks just fine...

-- Yan

Jan Koum                  jkb@best.com |  "Turn up the lights; I don't want
www.FreeBSD.org --  The Power to Serve |   to go home in the dark."
"Write longer sentences - they are paying us a lot of money"


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