On Sun, Feb 27, 2011 at 04:22:28PM -0400, Joey Hess wrote:
> Thomas Mieslinger wrote:
> > I try to install a HP DL180G6 fully automated. The Server has an
> > addtional dualport NIC. kernel and initrd are loaded over the NIC
> > labeled 0 on the Box, after the kernel has initialized all NICs the
> > first Ethernet on the add in card is eth0.
> >
> > ~ # cat /proc/cmdline
> > initrd=/boot/DEBIAN6_x8664/initrd.gz
> > preseed/url=http://4.3.2.1/installation/profiles/1cc1deebab9e
> > BOOTIF=01-1C-C1-DE-EB-AB-9E BOOT_DEBUG=2 DEBCONF_DEBUG=5 fb=false
>
> BOOTIF is a pxelinux boot parameter. It is supported by the Debian
> initramfs when pxe booting, but it is not supported by the Debian
> installer.
>
> Perhaps it should be. In the meantime, you can use the documented
> preseeding interface of booting with interface=eth1. I don't think
> netcfg allows specifying a interface by MAC though.
I guess the following changes do kind of a job:
etc/udev/rules.d/69-bootif.rules (inside the installer's initrd)
ACTION=="add", SUBSYSTEM=="net", IMPORT{program}="bootif $attr{address}"
lib/udev/bootif (inside the installer's initrd)
#!/bin/sh
bootif="$(< /proc/cmdline sed 's/.*[[:space:]]BOOTIF=\([-0-9A-Fa-f]\+\).*/\1/'
| tr '[A-F-]' '[a-f:]')"
if [ "01:$1" = "$bootif" ]; then
echo INTERFACE_NAME=eth0
fi
Unfortunately, this seems to go a little too far. My test system comes
up with the second interface being the bootif, so it's eth1 without
these additions. With my additions, the following numbering happens:
MAC Address without additions with additions
A eth0 eth4
B eth1 eth0
C eth2 eth3
D eth3 eth5
The /etc/udev/rules.d/70-persistent-net.rules that is being generated
has the first interface found twice:
ATTR{address} NAME with additions
C eth2
C eth3
B eth0
A eth4
D eth5
I guess there may be a race going on. Is there any possibility to have
bootif honored without generating a broken 70-persistent-net.rules and
with still having the interfaces numbered consecutively?
Greetings
Marc
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