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zeky
Guru
Joined: 24 Feb 2003
Posts: 470
Location: Vukojebina, Europe
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 Posted: Sat Mar 15, 2003 7:36 pm Post subject: CDROM issues |
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hi!
Let's start from the begining. I'v read all kind of forums but didn't find what i was looking for  I have a cd-rw, the only cdrom in my box on my hdb, it's IDE cdrom. I wanted it to work for burning. I've included scsi emulation in kernel, load the modules etc... The first problem is:
| Code: | zeky root # cdrecord -scanbus
Cdrecord 2.0 (i686-pc-linux-gnu) Copyright (C) 1995-2002 Jörg Schilling
cdrecord: No such file or directory. Cannot open '/dev/pg*'. Cannot open SCSI driver.
cdrecord: For possible targets try 'cdrecord -scanbus'. Make sure you are root.
cdrecord: For possible transport specifiers try 'cdrecord dev=help'.
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What am I missing here???
--zeky  |
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Bolle
n00b
Joined: 15 Mar 2003
Posts: 3
Location: D/BW/Bruchsal
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| Posted: Sat Mar 15, 2003 8:54 pm Post subject: |
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| Quote: |
What am I missing here???
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The hdX=ide-scsi boot parameter?
From my grub.conf:
| Code: |
title gentoo
root (hd0,4)
kernel /boot/kernel-2.4.20 ro root=/dev/hda6 hdc=ide-scsi
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zeky
Guru
Joined: 24 Feb 2003
Posts: 470
Location: Vukojebina, Europe
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| Posted: Sat Mar 15, 2003 9:10 pm Post subject: |
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| Quote: |
The hdX=ide-scsi boot parameter?
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allready done this:
| Code: | | kernel (hd0,3)/boot/bzImage root=/dev/hda4 vga=0x315 hdb=ide-scsi |
btw...
| Code: | zeky root # ls /dev/hdb
ls: /dev/hdb: No such file or directory |
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Arthur Vandelay
n00b
Joined: 09 Jan 2003
Posts: 55
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| Posted: Sun Mar 16, 2003 12:28 am Post subject: |
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Check if all the modules are being loaded. From my /etc/modules.autoload file:
ide-scsi
sg
sr_mod |
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bear
n00b
Joined: 15 Feb 2003
Posts: 11
Location: Minnesota
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| Posted: Sun Mar 16, 2003 1:39 am Post subject: |
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I'm having a problem which i think is similar to this. I compiled the SCSI emulation and cd-rom support directly into the kernel (sans modules) I removed all ATAPI support and I have the "kernel /bzImage root=/dev/hdc4 hda=ide-scsi hdb=ide-scsi" in my grub.conf. My issue is this... | Code: | s0575 root # cdrecord -scanbus
Cdrecord 2.0 (i686-pc-linux-gnu) Copyright (C) 1995-2002 J?Schilling
Linux sg driver version: 3.1.24
Using libscg version 'schily-0.7'
scsibus0:
0,0,0 0) '_NEC ' 'DV-5700A ' '1.51' Removable CD-ROM
0,1,0 1) *
0,2,0 2) *
0,3,0 3) *
0,4,0 4) *
0,5,0 5) *
0,6,0 6) *
0,7,0 7) *
s0575 root # cdrecord -scanbus dev=ATAPI
Cdrecord 2.0 (i686-pc-linux-gnu) Copyright (C) 1995-2002 J?Schilling
scsidev: 'ATAPI'
devname: 'ATAPI'
scsibus: -2 target: -2 lun: -2
Warning: Using ATA Packet interface.
Warning: The related libscg interface code is in pre alpha.
Warning: There may be fatal problems.
Using libscg version 'schily-0.7'
scsibus0:
0,0,0 0) '_NEC ' 'DV-5700A ' '1.51' Removable CD-ROM
0,1,0 1) 'IDE-CD ' 'R/RW 8x4x32 ' ' 1.5' Removable CD-ROM
0,2,0 2) *
0,3,0 3) *
0,4,0 4) *
0,5,0 5) *
0,6,0 6) *
0,7,0 7) *
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I don't exactly know what all of this means, however, I'm assuming that it's a problem that my CDR drive doesn't show up on the first 'cdrecord -scanbus'. Also, I attempted a "ls /dev/hda" and nothing shows up for me either. Any help would be appreciated. Thanks.
~Bear |
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jth
n00b
Joined: 10 Mar 2003
Posts: 8
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| Posted: Sun Mar 16, 2003 6:55 am Post subject: |
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| If you want to do it easy way, let K3b CD Kreator configure your CD drives, fstab and user permissions. |
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Regor
Guru
Joined: 06 Aug 2002
Posts: 545
Location: 39° 2' 48" N, 120° 59' 2" W
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| Posted: Sun Mar 16, 2003 9:51 am Post subject: |
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The simplest way to deal with this IMNSHO, is to treat all CD drives as SCSI. Compile in (or as modules) support for SCSI emulation, SCSI CD, and SCSI generic devices. Leave out support for ATAPI cd drives. If modularized, make sure all appropriate modules are loaded. (Why would you modularize this, do you ever not want CD support? Just wondering.)
Don't bother with any kernel arguments, such as "hdx=ide-scsi" (feh).
System should boot with all CD drives seen as SCSI devices, where they can now be used normally for any purpose, reading writing, burning coasters and christmas ornaments, whatever.
HTH. |
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t0nik
n00b
Joined: 11 Oct 2002
Posts: 55
Location: Moscow, Russia
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| Posted: Sun Mar 16, 2003 1:29 pm Post subject: |
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i have similar problem with kernel-2.4.20(gentoo-sources-r1) & no problem with gentoo-2.4.19-r10. | Code: | ~> # cdrecord -scanbus
Cdrecord 2.0 (i686-pc-linux-gnu) Copyright (C) 1995-2002 Jörg Schilling
cdrecord: No such file or directory. Cannot open '/dev/pg*'. Cannot open SCSI driver.
cdrecord: For possible targets try 'cdrecord -scanbus'. Make sure you are root.
cdrecord: For possible transport specifiers try 'cdrecord dev=help'.
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from my grub.conf -2.4.19 | Code: | | kernel (hd0,3)/boot/bzImage root=/dev/hda4 vga=0x315 hdd=ide-scsi |
& 2.4.20 | Code: | | kernel (hd0,3)/boot/bzImage.2420 root=/dev/hda4 vga=0x315 hdd=ide-scsi |
scsi emulation into kernel or modules - no difference... While another solution not exist, I USE linux-2.4.19
_________________
sorry my bad english
t0nik |
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jeffs
n00b
Joined: 16 Mar 2003
Posts: 10
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| Posted: Sun Mar 16, 2003 4:53 pm Post subject: |
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Here is what I did to get things working in 2.4.20 (gentoo-sources).
I have a DVD reader on /dev/hdc and a CDRW on /dev/hdd
Compiled cdrom, ide-scsi and scsi cdrom as modules.
Added the append="hdd=ide-scsi"
Added the following to to modules.autoload
cdrom
ide-cd
ide-scsi
sr_mod
Added the following lines to /etc/modules.d/aliases
alias sr0 sr_mod
alias scsi_hostadapter ide-scsi
options ide-cd ignore hdd
run modules-update
Everything seems to work OK.
jeffs |
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zeky
Guru
Joined: 24 Feb 2003
Posts: 470
Location: Vukojebina, Europe
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| Posted: Mon Mar 17, 2003 1:15 am Post subject: |
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okay, i finnaly got my IDE CD-RW up and running, and i want to share this with all of you.
My IDE cd is Sony CD-RW on hdb (the only CD in the box). I recompiled kernel where i include SCSI support, SCSI emulation, generic scsi and scsi cdrom in the kernel (not like modules), and i didn't include support for IDE ATAPI cdroms.
later on I...
Added the following lines to /etc/modules.d/aliases
alias sr0 sr_mod
alias scsi_hostadapter ide-scsi
options ide-cd ignore hdd
and run...
modules-update
rebooted into the new kernel and voila... everything works great.
Btw, for easy setup your CD-RW drive use k3b, it's the best. 
--zeky |
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oscrmyer
n00b
Joined: 21 Sep 2003
Posts: 31
Location: Seattle
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| Posted: Fri Oct 10, 2003 9:30 pm Post subject: |
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I had the same problems with my system and read this whole string and got everything to work 
_________________
I could be outside but its sunny |
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Retriever II
Tux's lil' helper
Joined: 07 Sep 2003
Posts: 93
Location: Northampton, MA, USA
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| Posted: Fri Oct 10, 2003 10:39 pm Post subject: |
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ever consider burning with cdrecord's ATAPI support?
#cdrecord -dev=ATAPI:0,1,0 -scanbus
Had ATAPI enabled in the kernel, didn't have to lay a finger on scsi, and burning worked beautifully. |
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