Re: Debian 8 network installation failed

Problem solved. The failure was because I entered into the Open Firmware prompt ("0 >") via the yaboot prompt ("boot: "). Because the existing yaboot was broken, when I pressed ENTER after the "boot: " prompt it failed to boot and entered into the Open Firmware prompt. If I enter the Open Firmware prompt by pressing ⌘-alt-o-f at the boot time then all works fine and I've successfully booted from network and finished the installation. I don't know the exact difference between these two scenarios.

On Wed, May 27, 2015 at 2:50 PM, yu <kkndyu@gmail.com> wrote:

Hi，

As far as I know, there should be a step to find and download the
yaboot.conf after download the yaboot binary. the finding rule is:

First with the name of the MAC address
then the hex of ip address
then minus half Byte of the ip address
half byte ...
last /etc/yaboot.conf

You're right except the last /etc/yaboot.conf (should be /yaboot.conf based on my observation). From the dnsmasq's output I can see it tried to load the yaboot conf file in that order.

Thanks for all the help.

-clark

you haven't mention the step, is there something in the log of tftp?

2015-05-27 13:51 GMT+08:00 Clark Wang <dearvoid@gmail.com>:
> I'm trying to install Debian 8 on my iBook G4. As suggested in another
> thread I chose the netboot installation method.
>
> I donwloaded and compiled dnsmasq (2.72) and configured both DHCP and TFTP
> with it. The dnsmasq.conf file looks like this:
>
> # for easy trouble-shooting
> no-daemon
> keep-in-foreground
>
> # disable DNS
> port=0
>
> dhcp-range=192.168.0.201,192.168.0.210
> # 192.168.0.1 is my wifi router. I've turned off DHCP on it.
> dhcp-option=option:router,192.168.0.1
> dhcp-option=option:dns-server,192.168.0.1
> # 192.168.0.10 is my macbook where dnsmasq is running
> dhcp-boot=yaboot,macbook,192.168.0.10
> dhcp-leasefile=/Users/clarkw/utils/dnsmasq/dhcp-leases
>
> enable-tftp
> tftp-root=/Users/clarkw/utils/dnsmasq/tftp
>
> I've downloaded the Debian 8 netboot images from here and put them under the
> tftp root dir:
>
> initrd.gz
> vmlinux
> yaboot
> yaboot.conf
>
> From the iBook's Open Firmware prompt ("0 >") I inputed
>
> boot enet:0,yaboot
>
> From the dnsmasq's output I can see that the iBook has requested an IP
> address and downloaded the yaboot file but did not download the vmlinux and
> initrd.gz files. Then the system panics. The final panic message is like
> this:
>
> Kernel panic - not syncing: VFS: Unable to mount root fs on
> unknown-block(0,0)
>
> (The screenshot can be found here.)
>
> So what may be wrong with my configuration? Do I need to update the
> downloaded yaboot.conf file?
>
> Thanks.
>
> -clark

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