[Buildroot] Help Booting Kernel on an ml507

[Michael S. Zick <minimod@morethan.org>]

On Tue December 1 2009, NEAL, RYAN wrote:
> Hey Peter!  That helped a lot!  
> 
> I upgraded to the br 2009.11 release.  Good work, I like it a lot --
> much simpler :).
> 
> I am getting two errors and I was wondering if you could help me out
> again?
> 
> One comes when I use the bootline : Linux/PowerPC load: console=ttyS0
> ip=on root=/dev/ram
> 
> The boot goes as before, but  the last few lines of the boot are:
> 	Sending DHCP requests ., OK
> 	IP-Config: Got DHCP answer from 0.0.0.0, my address is
> 10.49.211.5
> 	IP-Config: Complete:
> 	     device=eth0, addr=10.49.211.5, mask=255.255.240.0,
> gw=10.49.223.254,
> 	     host=10.49.211.5, domain=appsig.com, nis-domain=appsig.com,
> 	     bootserver=0.0.0.0, rootserver=0.0.0.0, rootpath=
> 	Freeing unused kernel memory: 944k init
> 	Initializing random number generator... done.
> 	Starting network...
> 	ip: RTNETLINK answers: File exists
> 
> If I tack on a rdinit=/bin/sh I don't get that error but I get:
> 	IP-Config: Got DHCP answer from 0.0.0.0, my address is
> 10.49.211.5
> 	IP-Config: Complete:
> 	     device=eth0, addr=10.49.211.5, mask=255.255.240.0,
> gw=10.49.223.254,
> 	     host=10.49.211.5, domain=appsig.com, nis-domain=appsig.com,
> 	     bootserver=0.0.0.0, rootserver=0.0.0.0, rootpath=
> 	Freeing unused kernel memory: 944k init
> 	/bin/sh: can't access tty; job control turned off
> 	/ #
> And I can't use the DNS names of any servers.  The good thing is that I
> can now poke around the filesystem(r/w)!  Do you know what settings
> would cause these errors? Is it even in the buildroot config or the
> linux kernel?
> 

If not using dhcp to set your /etc/resolv.conf file, you get to do that
yourself:
echo "nameserver 999.999.999.999" >/etc/resolv.conf
Naturally, replacing the 9's with the address of your DNS server.

Mike
> Thanks a ton! 
> ::Ryan
> -----Original Message-----
> From: Peter Korsgaard [mailto:jacmet at gmail.com] On Behalf Of Peter
> Korsgaard
> Sent: Wednesday, November 25, 2009 10:18 PM
> To: NEAL, RYAN
> Cc: Peter Korsgaard; buildroot at busybox.net
> Subject: Re: [Buildroot] Help Booting Kernel on an ml507
> 
> >>>>> "Ryan" == NEAL, RYAN <RYAN_NEAL@appsig.com> writes:
> 
>  Ryan> Peter, 
>  Ryan> That is a good point.  I was intending on using the initramfs
> because I
>  Ryan> hadn't thought of other options.  I'll look into the squashfs.  
> 
>  Ryan> My cpio.gz image is 543K.  
>  Ryan> I am building for the powerpc 440 (no FPU).
> 
> Then this is probably wrong (unless you have FPU emulation enabled in
> the kernel, which you shouldn't):
> 
>  Ryan> # BR2_SOFT_FLOAT is not set
> 
> You can find it under toolchain options.
> 
> Once you change this you need to rebuild everything (rm -rf *build_*;
> make).
>