now I did it ..

Neil Joseph Schelly neil at jenandneil.com
Wed Mar 16 20:40:01 EST 2005


On Wednesday 16 March 2005 07:49 pm, you wrote:
> Looking through my devices, it seems to be listed under the SCSI area.
> The Kernel version is 2.4 (as returned via the kernelversion command).
Just a guess, you're probably using an IDE CD-ROM drive with SCSI emulation.  
Is this a burner too?  That's a common setup for burners especially.  That's 
not a problem - just important to know for troubleshooting.  What does the 
following command yield at a command prompt:
 ls -l /dev/cdrom
At the end of the line, you should see something like:
  "/dev/cdrom -> /dev/scd0"
That would confirm the SCSI emulation (or real SCSI, but if that were the 
case, you'd probably know.). 

> How can I easily verify this?  I've run the update(s) methods and
> checked packages .. but can't readily determine how to verify that I
> have everything needed.

Well, nothing would be using the disc except maybe the CD player.  KSCD 
doesn't close when you "close" it.  It minimizes to the system tray as a 
little CD icon.  Right click on that and Quit to make sure it's closed.  
Other than that, nothing should be accessing the CD drive without being 
obviously in front of you.

> Dropping a audio CD back into the drive, the icon again changes, and
> using Konqueror to look at audiocd:/ I find this instead:
>
> An error occured while loading audiocd:/:
> The file or directory / does not exist.

Here's my theory.  If you go to the Control Center, then to the Sound & 
Multimedia section, and then the Audio CDs applet.  There's an option here to 
"Determine device automatically" and it's probably set to /dev/cdrom.  
Depending on the link above being correct, to /dev/scd0, or being an 
alternate (and somewhat more common) /dev/hdd or /dev/hdc, this may be auto 
detecting incorrectly.  

Let's see what that link up there in the first part of my reply says and what 
it says here and see what we can do.  Try setting this specifically 
to /dev/scd0 and I think you may find luck there.  Test it by trying to visit 
audiocd:/ link again.

> Rummaging around with the terminal I cannot locate the audiocd:/
You won't.  That's a kind of virtual folder structure KDE and Konqueror have 
for browsing a CD, which as someone else already replied, really doesn't have 
a filesystem.  

> anywhere.  Though that doesn't really mean alot .. lots of things I
> can't find that are apparently readily findable, still not very familiar
> with using the terminal.  <G>
No worries...

> Kinda of .. I at least learned one new command today!  Kernelversion ..
> which has to be run as superuser, though my Linux in a Nutshell book did
> not specify this.
And so did I.  I always use uname -r, but kernelversion (even as non-root) 
works for me too.  There's always a few ways to do everything in Linux, which 
can be a good or bad thing depending on your patience sometimes.
-N



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