kern/119122: acd0 errors at boot

[vermaden]

>Number:         119122
>Category:       kern
>Synopsis:       acd0 errors at boot
>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:   Fri Dec 28 22:40:00 UTC 2007
>Closed-Date:
>Last-Modified:
>Originator:     vermaden
>Release:        FreeBSD 7.0-RC1
>Organization:
>Environment:
FreeBSD vermaden.go.pl 7.0-PRERELEASE FreeBSD 7.0-PRERELEASE #0: Fri Dec 28 14:55:11 CET 2007     root at vermaden.go.pl:/usr/obj/usr/src/sys/SMP-7  i386

config:
http://vermaden.go.pl/tmp/SMP-7
http://vermaden.go.pl/tmp/make.conf
>Description:
acd0: FAILURE - READ_TOC ILLEGAL REQUEST asc=0x24 ascq=0x00 sks=0x40 0x00 0x06
acd0: FAILURE - READ_TOC ILLEGAL REQUEST asc=0x24 ascq=0x00 sks=0x40 0x00 0x06
acd0: FAILURE - READ_TOC ILLEGAL REQUEST asc=0x24 ascq=0x00 sks=0x40 0x00 0x06
acd0: FAILURE - READ_TOC ILLEGAL REQUEST asc=0x24 ascq=0x00 sks=0x40 0x00 0x06

these messages appear at boot time, that is DVD-RW LG H42N PATA writer

also when mounting/reading/writing similar error messages appear, but DVD-RW works

regards
vermaden
>How-To-Repeat:
reboot ;)
>Fix:


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