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Date:      Thu, 9 Oct 1997 23:10:43 +0900 (JST)
From:      yoshiaki@kt.rim.or.jp
To:        FreeBSD-gnats-submit@FreeBSD.ORG
Subject:   kern/4735: CD-ROM can't mount at 2.2.5-BETA
Message-ID:  <199710091410.XAA01325@singer.kt.rim.or.jp>
Resent-Message-ID: <199710091420.HAA02773@hub.freebsd.org>

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>Number:         4735
>Category:       kern
>Synopsis:       SCSI CDROM (cd9660) can't mount
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Oct  9 07:20:00 PDT 1997
>Last-Modified:
>Originator:     Yoshiaki Uchikawa
>Organization:
RIMNET
>Release:        FreeBSD 2.2.5-971005-BETA i386
>Environment:

My systems are baseed 2.2-970618-RELENG,and I replaced only kernel
FreeBSD 2.2.5-971005-BETA.

CPU: Pentium Pro (166.19-MHz 686-class CPU)
real memory  = 67108864 (65536K bytes)
avail memory = 63623168 (62132K bytes)
chip0 <Intel 82440FX (Natoma) PCI and memory controller> rev 2 on pci0:0
chip1 <Intel 82371SB PCI-ISA bridge> rev 1 on pci0:1:0
chip2 <Intel 82371SB IDE interface> rev 0 on pci0:1:1
ahc0 <Adaptec 2940 Ultra SCSI host adapter> rev 0 int a irq 9 on pci0:9

(ahc0:0:0): "IBM DCAS-34330 S61A" type 0 fixed SCSI 2
sd0(ahc0:0:0): Direct-Access 4134MB (8467200 512 byte sectors)
(ahc0:1:0): "IBM DORS-32160 S82C" type 0 fixed SCSI 2
sd1(ahc0:1:0): Direct-Access 2063MB (4226725 512 byte sectors)
(ahc0:2:0): "NEC CD-ROM DRIVE:502 2.0r" type 5 removable SCSI 2
cd0(ahc0:2:0): CD-ROM cd present [329583 x 2048 byte records]

ncr0 <ncr 53c875 fast20 wide scsi> rev 3 int a irq 9 on pci0:13
ncr0 waiting for scsi devices to settle
(ncr0:3:0): "OLYMPUS MOS331 0.61" type 7 removable SCSI 2
od0(ncr0:3:0): Optical 
od0(ncr0:3:0): 5.0 MB/s (200 ns, offset 8)

>Description:

 # mount -t cd9660 /dev/cd0a /mnt
 cd9660: /dev/cd0a: Invalid argument

I changed CDROM to secondary SCSI bus - ncr0, and same error was happen
"cd9660:/dev/cd0a: Invalid argument".

>How-To-Repeat:

 Every time, this error occur.

>Fix:
On 2.2-970618-RELENG system, this error have not happen. 

>Audit-Trail:
>Unformatted:



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