New Kernels - nothing but black screen...SOLVED

[David Wadson]

My thanks to Bill Fink that hit the nail on the head here...the vmlinux 
file for my new kernel compile was getting corrupted in the FTP 
transfer. Turns out that FTP defaulted to ASCII transfers which was 
screwing up the file, even if I tried compressing the file first. Once 
I switched to binary transfer, it came across fine. Turns out 
everything I was doing on the compiling end was fine.

So I learned...
1. how to use md5sum to verify proper transfer of the file;
2. how to switch to binary transfers in FTP
3. how much faster compiling on a G4 is compared to a Power Mac 4400
4. how to transfer the modules directory from the G4 to the 4400.

I was able to get a kernel compiled very quickly that includes the 
advanced router capabiliies. Now I can get going on creating that load 
balancing router...

Dave Wadson
IT Manager
The Chronicle-Journal

On Thursday, July 8, 2004, at 10:06  PM, Bill Fink wrote:

> Hi David,
>
> On Thu Jul 8 2004, David Wadson wrote:
>
>> That was the first thing I tried, using the PPC config file in the
>> "/usr/src/linux-2.4.20-8d/configs" directory. This is just bizarre to
>> me because I don't get any sort of kernel messages. I don't think the
>> computer even gets far enough to be able to write anythin to dmesg.
>>
>> Today i'm going to try with an install on a Power Mac 7200 instead of
>> that 4400. Maybe that'll help...
>
> Some ramblings.
>
> Check with md5sum on the MacOS and Linux sides to make sure the vmlinux
> file got transferred OK.
>
> In the "configs" directory, there's also a 
> kernel-2.4.20-ppc-BOOT.config.
> I'm not sure exactly what its purpose is, but it's a very basic config
> that doesn't use any modules.  You might want to build a kernel using
> exactly that config just to see if that will boot.  Assuming that that
> works, you can then add other things (like module support).  You can
> do a "diff" between that config and the kernel-2.4.20-ppc.config to see
> all the differences.
>
> You might also want to try doing a "make oldconfig" after copying
> whichever template config to ".config".
>
> 						-Bill
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