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Old 12-17-2004, 08:22 AM   #1
sybille
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CDCEther


Hello, this is my first post.

I am enjoying trying out Amigo on my old Compaq laptop. Thanks for the excellent work on this small, DOS-friendly distro, which I'm finding very educational.

I'm wondering if someone could help me install the CDCEther driver. The documentation that comes with the ADSL modem that I am trying to use indicates that this driver is necessary for the modem to be recognized.

Here is what I've tried so far:

After booting to X as root, I checked the directory /lib/modules/2.4.25/kernel/drivers/usb for CDCEther (and the other necessary USB files). CDCEther.o.gz is present in the directory.

Then I ran dmesg to see which USB drivers were loading at boot. I found that all the possible drivers mentioned in the modem documentation are solicited during boot EXCEPT CDCEther.

I've tried to use modprobe to load CDCEther. There's no failure message, but during boot modprobe cannot find CDCEther (see below). I've also tried the insmod command, which indicates that CDCEther cannot be found.

I've tried modifying the rc.modules file. Because CDCEther is not listed already I could not uncomment existing lines. So instead I inserted a line in the USB section following the form of the other entries there: /sbin/modprobe CDCEther. (This is the where the boot error message is coming from.)

I then tried adding the following lines to modules.conf (as indicated in the documentation for the modem):
alias usb-support usb
alias usb controller usb-ohci # (as mentioned earlier, this is a Compaq)
alias usb-eth CDCEther

CDCEther is never found and therefore no eth0 is recognized, so the driver hasn't been properly installed (in other words, it's not a network config problem). Any ideas about where I should go from here? Also, let me know if more specific dmesg info would be useful.

Thanks in advance,
sybille

edit: I decided to look at what is included in the kernel used in zipslack 9.1. I see that CDCEther=m, which I believe means that the kernel is compiled to support this driver. Thus, I'm hoping that the problem is simply a matter of my own ignorance about configuration....

Last edited by sybille; 12-17-2004 at 09:15 AM.
 
Old 12-17-2004, 11:07 AM   #2
gnashley
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usb-core instead of usb? make sure all necessary USB modules are loaded before CDCEther.
Check the Config file in /boot for the actual kernel config used.
 
Old 12-17-2004, 02:55 PM   #3
sybille
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Thank you for the ideas.

I went looking for usb-core and didn't find it, I checked the loading order, and I verified that the driver is in the Amigo/ZipSlack kernel (2.4.25).

Then I saw that I hadn't used correct capitalization (I wrote cdcether rather than CDCEther). When I changed that, the driver began to load during boot. So I've never done this before; I didn't realize that the case of the letters would make a difference.

I have yet to make a network connection, but I think this is a matter of the netconfig settings. (First I need to try with a standard DHCP connection for dynamic IP and if that works I'll turn the NAT function of the modem back on and try to figure things out).

Anyways, I wanted to say thanks and also to document my progress in case someone else will find it useful. If and when I figure things out, maybe I can contribute to the Wiki/HOWTO effort. I would like to help if I can.
 
Old 12-17-2004, 03:13 PM   #4
gnashley
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Yes, please bring the condensation of your findings to the WIKI. Search the Slackware forum, since the configuration is the same. But, after you've found the answer, DO please write a WIKI page in the Amigo Area. We'll have a look at it, try to get it verified, if necessary, on other systems and then incorporate the info into a more permanent document, as well as link the original to the LQ general HOWTO's if appropriate.
 
Old 12-17-2004, 04:42 PM   #5
sybille
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I'm pleased to report that I'm posting this from Opera in Amigo Linux!

In addition to installing the drivers mentioned earlier, I also needed to uncomment the acm modem driver in /etc/rc.d/rc.modules and reboot.

(I did search in the Slackware forum here and elsewhere on the net before posting - that's how I arrived at the steps I tried in my first post, alon with the documentation that came with the USB modem.)

At present, I've used netconfig to set up a DHCP connection. This was pretty straightforward. As mentioned earlier, my next task will be to try with a static IP setup in order to use the router function of the USB modem.

It seems as though I managed to get the sound card to be recognized also, simply by commenting out the relevant lines in rc.modules and by changing the DMA settings to match what I found in the BIOS.

This is my first real experience trying to set up hardware in Linux. It's great to have this distro, which is allowing me to learn and practice things without making the committment of repartitioning my drive. This is another selling point of DOS-based distributions, I think.

Once I've worked out the router aspect of the network connection, I'll put together a step-by-step write-up.

 
Old 12-24-2004, 02:07 AM   #6
gnashley
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Registered: Dec 2003
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Sybille, can you contact me at amigo@ibiblio.org. I'm interested in your feedback and input on some 'ergonomic' issues. Looking forward to your cooperation with a document or two also.
 
  


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