CDROM Problem

Nobody's Hero — Thu, 04 Mar 2004 10:55:36 GMT

Hello All,

I've had this problem for a few months now. I've been doing some kernel changes on a test box to resolve the issue. I can not see my cdrom when O run the following command:
'cdrecord -scanbus' Here is the output from dmesg.

[root@piranha ASU]# dmesg | grep -i scsi
SCSI subsystem driver Revision: 1.00
sym0: SCSI BUS has been reset.
sym1: SCSI BUS has been reset.
scsi0 : sym-2.1.17a
scsi1 : sym-2.1.17a
Type: Sequential-Access ANSI SCSI revision: 02
scsi2 : Found a MegaRAID controller at 0xd880c000, IRQ: 23
scsi2 : Enabling 64 bit support
scsi2 : LSI Logic MegaRAID H01.07 254 commands 16 targs 5 chans 7 luns
scsi2: scanning channel 0 for devices.
Type: Processor ANSI SCSI revision: 02
scsi2: scanning channel 1 for devices.
scsi2: scanning virtual channel 1 for logical drives.
Type: Direct-Access ANSI SCSI revision: 02
scsi2: scanning virtual channel 2 for logical drives.
scsi2: scanning virtual channel 3 for logical drives.
scsi2: scanning virtual channel 4 for logical drives.
Attached scsi tape st0 at scsi1, channel 0, id 1, lun 0
Attached scsi disk sda at scsi2, channel 2, id 0, lun 0
SCSI device sda: 215052288 512-byte hdwr sectors (110107 MB)
Attached scsi generic sg1 at scsi2, channel 0, id 5, lun 0, type 3

Here is the output from 'cdrecord -scanbus'

[root@piranha ASU]# cdrecord -scanbus
Cdrecord 2.0 (i686-pc-linux-gnu) Copyright (C) 1995-2002 Jrg Schilling
Linux sg driver version: 3.1.24
cdrecord: Warning Linux Bus mapping botch.
Using libscg version 'schily-0.7'
cdrecord: Warning: using inofficial libscg transport code version (schily - Red Hat-scsi-linux-sg.c-1.75-RH '@(#)scsi-linux-sg.c 1.75 02/10/21 Copyright 1997 J. Schilling').
scsibus1:
1,0,0 100) *
1,1,0 101) 'HP ' 'C1537A ' 'L111' Removable Tape
1,2,0 102) *
1,3,0 103) *
1,4,0 104) *
1,5,0 105) *
1,6,0 106) *
1,7,0 107) *
scsibus2:
2,0,0 200) 'MegaRAID' 'LD0 RAID5 05006R' 'H ' Disk
2,1,0 201) *
2,2,0 202) *
2,3,0 203) *
2,4,0 204) *
2,5,0 205) 'HP ' 'SAFTE; U160/M BP' '1023' Processor
2,6,0 206) *
2,7,0 207) *
*****************************************

Any ideas are appreciated.

10x
RPM

Re: CDROM Problem

Nobody's Hero — Thu, 04 Mar 2004 10:58:56 GMT

Also, Look at this:

root@piranha ASU]# insmod ide-cd
insmod: ide-cd: no module by that name found

lsmod returned nothing at all...
This is a problem I assume.

Re: CDROM Problem

Nobody's Hero — Fri, 05 Mar 2004 09:02:01 GMT

PUSH TO TOP

Re: CDROM Problem

Claudio Cilloni — Fri, 05 Mar 2004 10:06:03 GMT

Are you searching a cd-rom drive or a cd-burner? and it is an IDE o SCSI?

Ciao
Claudio

Re: CDROM Problem

Martin P.J. Zinser — Fri, 05 Mar 2004 11:44:39 GMT

Hello Robert,

as for the module, how did you build the kernel? Maybe it is not setup as a module but compiled into the Kernel. I think this should be the CONFIG_BLK_DEV_IDECD setting.

Also do you only miss the CD in the cdrecord -scanbus or are you not able to work with it at all?

Greetings, Martin

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