[Tfug] Ubuntu Gutsy Compiling Kernel

[Glen Pfeiffer]

I don't have any answers, but am posting this to start it as a new thread.

-- andy at britishideas.com wrote:
> I'm running Ubuntu 7.10 Gutsy on my desktop PC and I want to patch the
> kernel with RTAI. However my knowledge of patching and kernels is
> limited... Here is what I tried:
> 
> I grabbed the Linux source from the Ubuntu gutsy repos and found it to
> be 2.6.22.9. I built it and installed the package and it worked fine. I
> used /boot/config-2.6.22-14-generic as the .config file.
> 
> Next I grabbed 2.6.22.9 from kernel.org. I built it in the same way and
> installed the package. It works except Ethernet is broken. I again used
> /boot/config-2.6.22-14-generic as the .config file.
> 
> In both cases I didn't configure the kernel - I simply built it.
> 
> So I am assuming that something was patched in the Ubuntu version to fix
> some kind of problem.
> 
> eth0 appears to be ok, but there are no packets in or out.
> 
> Does anyone have any pointers on how do I find out what patch is missing
> from my vanilla kernel? It seems Gutsy ships with 2.6.22.14, but nothing
> beyond 9 is available from kernel.org. So I'm guessing the Ubuntu team
> made a few revs of their own.
> 
> I posted on ubuntuforums.org but haven't received any replies on this.
> 
> thanks, Andy
> 
> -- Andy