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First day with Gentoo, need a little help with network card
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fizgig
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Joined: 04 Jan 2008
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PostPosted: Fri Jan 04, 2008 4:44 pm    Post subject: First day with Gentoo, need a little help with network card Reply with quote

I just used the liveCD to do a networkless installation since none of my network cards are recognized.

Here are the network cards:

Code:
Intel Corporation PRO/Wireless 3945ABG Network Connection (rev2)
Ethernet Controller: Marvell Technology Group Ltd. 88E8036 PCI-E Fast Ethernet Controller (rev15)


Neither appear to be recognized as ifconfig only shows my loopback device. I have searched for help on both cards and the posts appear to be stating that you need to recompile your kernel or download some package with the emerge command which I can't do since I have no network.

Do I really need to recompile my kernel to get it to work? If so, can someone point me at a kernel recompile tutorial for us networkless installs that don't have internet access since the network cards aren't available?

Me very confused.
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NeddySeagoon
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PostPosted: Fri Jan 04, 2008 5:01 pm    Post subject: Reply with quote

fizgig,

The wireless needs several packages to be emerged.

You need the sky2 module, for your Marvell Technology Group Ltd. 88E8036 chip. Cross your fingers and do
Code:
modprobe sky2
ifconfig -a
if eth0 is there, you can start it with
Code:
/etc/init.d/net.eth0 start

Add sky2 to /etc/modules.autoload.d/kernel-2.6 so its loaded every boot

If your get a
Code:
FATAL: Module sky2 not found
error, then it gets a little tricker.
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NeddySeagoon

Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail.
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fizgig
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PostPosted: Fri Jan 04, 2008 6:32 pm    Post subject: Reply with quote

Thanks for the tip. Apparently I didn't even need to modprobe anything, I just needed to add the "-a" switch at the end of ifconfig which I wasn't used to doing in Ubuntu to see the interfaces. That showed the lan interface and I was able to connect.

The bad news was that I tried to compile my own kernel and, after a kernel panic when trying to boot off it, I booted off the original gentoo kernel and now I don't have the network interfaces and I can't modprobe sky2 as it isn't found anymore.

I think I bit off more than I could chew with gentoo. I thought I was an expert in linux as I could fix anybody's ubuntu computer problems easily but gentoo is a whole new animal. My gentoo install didn't recognize the sound, the nvidia geforce go 7200 (I think that's the number - I'm in windows now so I can't lspci) and now the network cards aren't visible. Commands I tried to run from the tutorials (such as net-setup) weren't recognized on my system. It's a lost cause for me if the tutorials don't line up with the installation I have.

Bummer!
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NeddySeagoon
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PostPosted: Fri Jan 04, 2008 9:22 pm    Post subject: Reply with quote

fizgig,

Its not as bad as it sounds. Ubuntu (and all binary distros) hide al lot of controls and make many choices for you.
The panic is probably unknown-block (0,0) and the network cards will have gone as you didn't build or load their kernel modules.

net-setup is neither provided nor needed within your own install. You load the network module and you interface appears, then its stated by a script.

It sounds like all you have against you is a kernel build, maybe a few config settings and your Gentoo will be up an runnning.
If you post your lspci, I can tell you what you need for booting and the network. That will get you on 'the air'.

To have another go yourself, follow this postto get back into your install and this post for some generic advice on making your own kernel. If you decide you want to try genkernel, be aware it will leave out your SATA support, so you must select it yourself using genkernels --menuconfig option.
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Regards,

NeddySeagoon

Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail.
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fizgig
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PostPosted: Fri Jan 11, 2008 9:18 pm    Post subject: Reply with quote

Thank you for the kind email. I just got ubuntu back up to where it works perfectly for me again. When I get the nerve up to try again with gentoo I will post back.
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