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[SOLVED] network prob after upgrading from 2.4 to 2.6 kernel
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essdeeay
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Joined: 22 Feb 2006
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PostPosted: Fri Apr 21, 2006 11:49 am    Post subject: [SOLVED] network prob after upgrading from 2.4 to 2.6 kernel Reply with quote

Hello

I've upgraded from the 2.4 kernel to the latest 2.6 gentoo kernel. But now I am unable to ping any address except my own and the loopback. I've checked and re-checked that I've included all the drivers from the 2.4 config, and even used genkernel to compile the kernel. I can't ping anywhere using the 2.6 kernel, but if I go back to 2.4 then all is ok. Is there anything obvious I've msised, or any suggestions to help figure out what the problem is?

Although I can't see any obvious errors, I've posted a portion of /var/log/messages showing a 2.6 boot: http://www.rowyerboat.com/syslog.txt

Thanks in advance for any help,
Steve :)


Last edited by essdeeay on Fri Apr 21, 2006 1:14 pm; edited 1 time in total
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runningwithscissors
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Joined: 21 Apr 2006
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PostPosted: Fri Apr 21, 2006 12:12 pm    Post subject: Reply with quote

Check to see if your network interface is working and it has successfully joined the network.

Also, check the routing table

#route -n

and see if the proper gateway is available.

if not config your network manually. I think there is a proper section on it in the installation documentation.
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essdeeay
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PostPosted: Fri Apr 21, 2006 1:13 pm    Post subject: Reply with quote

Code:
Apr 21 10:50:03 mozart e1000: eth0 NIC Link is Up 100 Mbps Full Duplex


The network is manually configured. Everything works when booting with the 2.4 kernel. I just cannot ping anywhere but myself when booting with the 2.6 kernel. No one else can ping me either. It's like a firewall is dropping packets. Iptables is installed but not configured and not running. I also tried removing Iptables but that made no difference either.

SOLVED! - The 2.6 kernel detected eth0 as eth1, different to the 2.4 kernel!

Steve :)
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Maedhros
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PostPosted: Fri Apr 21, 2006 8:24 pm    Post subject: Reply with quote

Moved from Installing Gentoo to Networking & Security.
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