Hi Kunal and others trying to help, I removed the append="hdc=ide-scsi" from lilo.conf. ran lilo.
booted the machine. And inserted a PCQ CD inside the drive and tried mount when it did not automount. Then removed the fstab line for CDROM.
Rebooted the machine. Still the same results. I am not worried about CD recording at this moment. Machine history: Loaded PCQ 7.1 in July and running smoothly since then. CDRecord and ordinary CD usage with the lilo line "append...." was there.
Upgraded recently to RH 7.2 using Seascope CD's.
The CD's are with me and the kernel being used is 2.4.7-10 .
Initially I had a installation problem and I got another set of CD's with me now. The install has worked smoothly so far. But the CD ROM is not being read.
I went to hardware browser in Gnome after logging in as root Window shows on left CDROM Devices
Right Hand top side shows SAMSUND CD-R/RW DRIVE SW-208F
Bottom right hand side window shows manufacturer: unknown driver: ignore Device: /dev/hdc
So I am a bit confused. I believe his means that the CDROM is detected in /dev/hdc and ths SAMSUNG ... that is seen means that the CDROM drive is being properly detected by some software component however the bottom part of the window is worrying and shows that the CDROm detection has some problems. is this Kernel Related?
Please note that the same system has caldera loaded in another partition with 2.4.2 and the system is running smoothly.
Anand
Message: 5 From: "Kunal Gangakhedkar" kgangakhedkar@yahoo.com mailto:kgangakhedkar@yahoo.com To: linuxers@mm.ilug-bom.org.in mailto:linuxers@mm.ilug-bom.org.in Subject: Re: [ILUG-BOM] CD ROM problems Kernel 2.4.7-10 Date: Tue, 22 Jan 2002 21:10:22 +0530 Reply-To: linuxers@mm.ilug-bom.org.in mailto:linuxers@mm.ilug-bom.org.in
Well, as I can see from the scenario, your CDRW is getting detected as a SCSI drive. In fact, it is an IDE drive - am I right??
To get around with the problem, just remove the "append=...." line from lilo.conf 'coz you don't need it. Then update lilo using /sbin/lilo. The next time you boot into linux your CDRW should be detected as an ordinary IDE CDROM. But then, you won't be able to write CDs through linux, 'coz all the CD- Writing softwares in linux (including cdrecord and Xcdroast) need your drive to be SCSI.
Now, to make your IDE CDRW (now detected as an IDE CDROM) work for writing CDs, what you can use is an emulation driver - ide-scsi. This is precisely what you've been seeing in your lilo.conf. This is a modular driver which can be used using modprobe or insmod. The advantage is - install when you want, uninstall after using it. I guess, you know how to uninstall / remove modules.
When you add this driver, just check out the working of the driver using #cdrecord -scanbus
If you get the output saying the HOST/DEVICE/LUN ids, then you can be pretty sure that the driver will work for you. The only problem I faced was that the normal IDE-CD emulation driver used to interfere with it. So, to be on a safer side, make sure that you remove ide-cd before inserting ide-scsi. The ide-scsi driver is available online or can be found at PCQ's wesite (in fact, it comes built into PCQ Linux Distro).
After you're done with the CDRW for writing, remove the ide-scsi driver using #rmmod sg #rmmod ide-scsi
These are dependant modules.
Then insert the usual ide-cd driver using #modprobe ide-cd
And you'll be back with your CDRW as IDE CDROM.
For more information, pls. refer to CD-Writing HOWTO
Kunal ------------------
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----- Original Message ----- From: kishor bhagwat aaaaarrrgghhh@yahoo.com mailto:aaaaarrrgghhh@yahoo.com To: linuxers@mm.ilug-bom.org.in mailto:linuxers@mm.ilug-bom.org.in Sent: Tuesday, January 22, 2002 10:46 AM Subject: Re: [ILUG-BOM] CD ROM problems Kernel 2.4.7-10
--- Anand Iyer akiyer@vsnl.com mailto:akiyer@vsnl.com wrote:
My CDROm drive Samsung CD writer RW 8.4.32 is recognised by the kernel, but when i try to mount the CDROm, I get a message /dev/cdrom improper device or device does not exist. I have the following line in lilo.conf append="hdc=ide-scsi" This used to work and still works on Caldera with kernel 2.4.2 (PCQuest CD's)loaded in another partition.
the append line in your lilo.conf means that scsi emulation is used for your drive(cd burning programs require it). try mounting /dev/scd0 as your cdrom drive..
regards, kishor
Well, just see if you can mail me the messages you get from the kernel while booting. Also mail me /etc/fstab. Actually, what I want is some evidence about the CDROM drivers in kernel mode.
I haven't tried RH 7.2, so I don't know what is wrong right now. Let me go through the messages, then probably, I'll be able to help you.
By that time, I'll also try to get my hands on RH 7.2.
Actually, it seems that your CDRW is getting detected properly as a CDROM. This is evident from your GNOME messages. But I don't understand why it is not letting you mount it.
Just try to mount it manually by specifying all the parameters at command line like this :
#mount -t iso9660 -loop /mnt/cdrom /dev/hdc
Go through the man page of mount for more details, I don't remember the command right now...
A friend of mine has exactly the same drive, but he never faced any such problems....
Let's see what can be done...
Kunal
----- Original Message ----- From: Anand Iyer akiyer@vsnl.com To: linuxers@mm.ilug-bom.org.in Sent: Tuesday, January 22, 2002 5:47 PM Subject: [ILUG-BOM] CD ROm detection problem in RH 7.2
Hi Kunal and others trying to help, I removed the append="hdc=ide-scsi" from lilo.conf. ran lilo.
booted the machine. And inserted a PCQ CD inside the drive and tried mount when it did not
automount.
Then removed the fstab line for CDROM.
Rebooted the machine. Still the same results. I am not worried about CD recording at this moment. Machine history: Loaded PCQ 7.1 in July and running smoothly since then. CDRecord and ordinary CD usage with the lilo line "append...." was there.
Upgraded recently to RH 7.2 using Seascope CD's.
The CD's are with me and the kernel being used is 2.4.7-10 .
Initially I had a installation problem and I got another set of CD's
with me now.
The install has worked smoothly so far. But the CD ROM is not being read.
I went to hardware browser in Gnome after logging in as root Window shows on left CDROM Devices
Right Hand top side shows SAMSUND CD-R/RW DRIVE SW-208F
Bottom right hand side window shows manufacturer: unknown driver: ignore Device: /dev/hdc
So I am a bit confused. I believe his means that the CDROM is detected in /dev/hdc and ths SAMSUNG ... that is seen means that the CDROM drive is being properly detected by
some software component
however the bottom part of the window is worrying and shows that the
CDROm detection has some problems.
is this Kernel Related?
Please note that the same system has caldera loaded in another
partition with 2.4.2 and the system is running smoothly.
Anand
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-
Anand Iyer -
Kunal Gangakhedkar