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Date: Sat, 9 Dec 2000 15:59:10 -0800 (PST)
From: Eyal Soha <eyal@esoha-dsl1.cisco.com>
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To: FreeBSD-gnats-submit@freebsd.org
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Subject: kern/23409: CD-RW driver fails unless CD in drive at boot up
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>Number:         23409
>Category:       kern
>Synopsis:       CD-RW driver fails unless CD in drive at boot up
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat Dec 09 16:00:01 PST 2000
>Closed-Date:
>Last-Modified:
>Originator:     Eyal Soha
>Release:        FreeBSD 4.2-STABLE i386
>Organization:
Cisco Systems
>Environment:

PC running 4.2-STABLE with a Smart and Friendly CD-RW.  Code cvsup'd
Novemeber 2000.

>Description:

When booting, the CD-RW drive is not recognized unless there is a CD
in the drive.  Here's the tail end of dmesg after booting without a CD
loaded in the drive:

ad4: 8809MB <QUANTUM FIREBALLP KA9.1> [17898/16/63] at ata2-master UDMA66
ad5: 14594MB <ST315320A> [29651/16/63] at ata2-slave UDMA66
ad7: 3098MB <IBM-DAQA-33240> [6296/16/63] at ata3-slave WDMA2
ata3-master: timeout waiting for command=ef s=00 e=00
ata3-master: <SAF CD-RW2224/2.06> CDROM device - NO DRIVER!
Mounting root from ufs:/dev/ad5s1a

Here's the tail end of dmesg after booting with a CD loaded in the drive:

ad4: 8809MB <QUANTUM FIREBALLP KA9.1> [17898/16/63] at ata2-master UDMA66
ad5: 14594MB <ST315320A> [29651/16/63] at ata2-slave UDMA66
ad7: 3098MB <IBM-DAQA-33240> [6296/16/63] at ata3-slave WDMA2
ata3-master: timeout waiting for command=ef s=00 e=00
acd0: CD-RW <SAF CD-RW2224> at ata3-master using BIOSPIO
Mounting root from ufs:/dev/ad5s1a

In the failure case, the drive is not mountable and unusable.  In the
case where the drive is recognized at boot up, the drive can be
mounted if any CD is inserted and the drive works exactly as expected.
I suspect that the timeout is normal, probably because the command is
not recognized by the CD-RW.

>How-To-Repeat:

Make sure CD-RW has no CD in it.  Reboot the system.

>Fix:

Boot the system while a CD is in the CD-RW drive.  After bootup is complete, that CD may be removed or replaced by any CD.

>Release-Note:
>Audit-Trail:
>Unformatted:


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