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Old 06-03-2006, 01:13 PM   #1
sundaraz
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Unable to connect to Internet after upgrading from 2.6.11 to 2.6.16


Hi,
I updated my kernel from 2.6.11 to 2.6.16(FC4)today. I am unable to connect to the internet after that. I am just a lay user and don't know where to even start looking for. I have not updated the kernel-devel package, not sure if that would help. I would really appreciate any help.

The worst part is i have removed my old kernel and have to boot to windows everytime for internet connection and then go back to try the suggestions. So it would be helpful for me if someone can suggest a couple of options that i can try in one go.

Regards,
Raj
 
Old 06-03-2006, 01:57 PM   #2
David the H.
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First of all, you need to know what your networking hardware is. The new kernel might not loading the module for it properly. the lspci command should give you a list of your installed hardware. If you can then find the right module name for it, then a simple "modprobe modulename" might be all you need. Use the lsmod command to learn what modules you have running currently.

Another option is to boot up a Linux liveCD such as Knoppix. Then you should be able to use the chroot command to "go into" your existing Linux install from there and reinstall a working kernel through your package manager (chroot "changes the root" to a different directory tree, allowing you to run programs as if the system was actually running from there). Once you have a working kernel installed, then you can reboot normally and fix your problem.

And finally, take this as a lesson. Whenever you upgrade, always make sure you have a backup kernel you know will work.
 
Old 06-03-2006, 04:00 PM   #3
sundaraz
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Registered: Oct 2005
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Thanks David. I give up temporarily. I tried your commands and the closest i could get was b44 module was needed. I did modprobe b44, I didn't get any error. But it still doesn't connect. I don't see much in dmesg also. If i try to do

ping localhost
I get
sendmdg: operation not permitted.

I am thinking of downloading FC5 and doing an upgrade through the DVD instead of yum. Actually going to FC5 was the reason i upgraded my kernel and got rid of the earlier one. Let me see if this is of any help.
 
Old 06-04-2006, 06:36 AM   #4
sundaraz
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Registered: Oct 2005
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I upgraded to FC5 using the DVD image. My kernel is now 2.6.15-1.2054_FC5 and everything is working fine.
 
  


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