Messages in this thread | | | Subject | Re: PATCH: Enable IP PNP for 2.4.4-ac8 | From | (Eric W. Biederman) | Date | 13 May 2001 10:31:03 -0600 |
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"H . J . Lu" <hjl@lucon.org> writes:
> On Fri, May 11, 2001 at 04:28:05PM -0700, David S. Miller wrote: > > > > H . J . Lu writes: > > > 2.4.4-ac8 disables IP auto config by default even if CONFIG_IP_PNP is > > > defined. Here is a patch. > > > > It doesn't make any sense to enable this unless parameters are > > given to the kernel via the kernel command line or from firmware > > settings. > > >From Configure.help: > > IP: kernel level autoconfiguration > CONFIG_IP_PNP > This enables automatic configuration of IP addresses of devices and > of the routing table during kernel boot, based on either information > supplied on the kernel command line or by BOOTP or RARP protocols. > You need to say Y only for diskless machines requiring network > access to boot (in which case you want to say Y to "Root file system > on NFS" as well), because all other machines configure the network > in their startup scripts. > > It works fine for 2.4.4. However, in 2.4.4-ac8, even if I select > CONFIG_IP_PNP, I have to pass ip=xxxx to kernel, in addition to > nfsroot=x.x.x.x:/foo/bar. With 2.4.4, I can just pass > nfsroot=x.x.x.x:/foo/bar to kernel.
O.k. Configure.help needs to be updated. "ip=on" or "ip=bootp" or "ip=dhcp" work fine. I wonder if I forgot to forward port the docs?
This same situation exists for 2.2.18 & 2.2.19 as well.
The only way to get long term stability out of this is to write a user space client, you can put in a ramdisk. One of these days...
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