Re: What does this mean?

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Author: Lee Einer
Date:  
To: plug-discuss
Subject: Re: What does this mean?


Siri Amrit Kaur wrote:

>On Thursday 24 March 2005 03:30 pm, Lee Einer wrote:
>
>
>>Hi, Siri-
>>
>>Your dmesg file indicates that the drive is detected on start-up, and
>>hdd is the assigned device name. It is trying to mount to /mnt/cdrom1,
>>so you could check your /mnt directory to make sure you have a
>>/mnt/cdrom1, but I'm sure you do. If not, you can create one. Assuming
>>that you do have a /mnt/cdrom1, the command for mounting, I think, would be
>>
>>(as root or sudo)
>>
>>
>>mount /dev/hdd /mnt/cdrom1
>>
>>
>
>root@localhost:~# mount /dev/hdd /mnt/cdrom1
>mount: permission denied
>
>I looked at the /mnt directory cdrom1 and cannot change permissions on it. It
>is user=root, group=root. I wanted to change it to group=cdrom.
>
>
>>The problem, though, is that the drive does not appear to be reading the
>>discs. If it were, after you inserted the disc and closed the drive you
>>would get a flashing light for a few seconds, at least.
>>
>>
>
>I do have a light for a few seconds.
>
>
>>Has this been the case since you installed the second CDROM drive?
>>
>>
>
>It used to work fine. I used it for ripping to save my burner the work. I used
>it for playback of audio disks to make sure my burns went well. It's an Antec
>56X. It hasn't had all that much use. Haven't changed the jumpers or cable or
>anything.
>
>


When you used to use it, was it on the same cable with another CD-ROM
drive? is it jumpered as master or slave, and is the device on /dev/hdc
jumpered as master or slave?

>
>
>>I
>>would check all the connections and also verify that it is correctly
>>jumpered, just to be sure, and if that doesn't work, I would swap it
>>with a functioning CD-ROM drive and see if that doesn't address the
>>problem. I think it will.
>>
>>Hope all goes well,
>>
>>Lee
>>
>>Siri Amrit Kaur wrote:
>>
>>
>>>Is this what you need to see? From /var/log/dmesg:
>>>
>>>Probing IDE interface ide0...
>>>hda: ST340016A, ATA DISK drive
>>>hdb: ST320414A, ATA DISK drive
>>>ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
>>>Probing IDE interface ide1...
>>>hdc: LITE-ON LTR-52246S, ATAPI CD/DVD-ROM drive
>>>hdd: CD-ROM 56X L, ATAPI CD/DVD-ROM drive
>>>ide1 at 0x170-0x177,0x376 on irq 15
>>>Probing IDE interface ide2...
>>>Probing IDE interface ide3...
>>>Probing IDE interface ide4...
>>>Probing IDE interface ide5...
>>>hda: max request size: 128KiB
>>>hda: 78165360 sectors (40020 MB) w/2048KiB Cache, CHS=65535/16/63,
>>>UDMA(100) hda: cache flushes not supported
>>>hda: hda1 hda2 hda3 hda4 < hda5 hda6 >
>>>hdb: max request size: 128KiB
>>>hdb: 39102336 sectors (20020 MB) w/2048KiB Cache, CHS=38792/16/63,
>>>UDMA(100) hdb: cache flushes not supported
>>>hdb: unknown partition table
>>>hdd: ATAPI 56X CD-ROM drive, 128kB Cache, UDMA(33)
>>>
>>>(end dmesg)
>>>
>>>FWIW, I had this problem before I changed the system to use supermount. I
>>>have the same problem of nothing showing up in the drive in Vector Linux,
>>>too, which doesn't use supermount. I'm starting to think it's a dead
>>>drive...
>>>
>>>Siri Amrit
>>>
>>>
>>>
>>>>On Thu, 24 Mar 2005, Siri Amrit Kaur wrote:
>>>>
>>>>
>>>>>root@localhost:~# dmesg | grep CD
>>>>>
>>>>>
>>>>Nothing there. So no reason to continue to next step. See if your boot
>>>>kernel messages (dmesg output) is saved at boot time and check there. Or
>>>>manually look at "dmesg | more" to find your CD.
>>>>
>>>>
>>>>
>>>>>root@localhost:~# mount -t iso9660 /dev/hdd /mnt
>>>>>mount: No medium found
>>>>>
>>>>>
>>>>/dev/hdd may be wrong. Your kernel's boot messages will tell you where
>>>>your CD is.
>>>>
>>>>
>>>>
>>>>>root@localhost:~# ls -la /mnt
>>>>>
>>>>>
>>>>You can skip this step, because previous step failed.
>>>>
>>>>(If you are curious, your /mnt can be remounted to hide the contents that
>>>>you did see.)
>>>>
>>>>As for disabling supermount, maybe have a look at "man supermount".
>>>>(Hopefully, it explains it.)
>>>>
>>>>Jeremy C. Reed
>>>>
>>>>       open source, Unix, *BSD, Linux training
>>>>      http://www.pugetsoundtechnology.com/

>>>>
>>>>
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--


Lee Einer
Dos Manos Jewelry
http://www.dosmanosjewelry.com



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