Package: initramfs-tools
Version: 0.98.8
Severity: normal
Description
===========
On a network booting machine with
oper@watt:~$ zcat /boot/initrd.img-2.6.32-5-amd64 | cpio -i --to-stdout
lib/udev/rules.d/70-persistent-net.rules
# lindi: ethernet port #1 (BIOS boots using this)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*",
ATTR{address}=="00:25:90:36:c0:d2", ATTR{dev_id}=="0x0", ATTR{type}=="1",
KERNEL=="eth*", NAME="eth0"
# PCI device 0x8086:0x10ec (ixgbe)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*",
ATTR{address}=="00:1b:21:a1:d7:83", ATTR{dev_id}=="0x0", ATTR{type}=="1",
KERNEL=="eth*", NAME="eth2"
# PCI device 0x8086:0x10ec (ixgbe)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*",
ATTR{address}=="00:1b:21:a1:d7:82", ATTR{dev_id}=="0x0", ATTR{type}=="1",
KERNEL=="eth*", NAME="eth3"
# PCI device 0x8086:0x10c9 (igb)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*",
ATTR{address}=="00:25:90:36:c0:d3", ATTR{dev_id}=="0x0", ATTR{type}=="1",
KERNEL=="eth*", NAME="eth1"
53853 blocks
and
$ grep DEVICE= /etc/initramfs-tools/initramfs.conf
DEVICE=eth0
I see that ipconfig gets stuck at bootup trying to send DHCP requests
over a NIC whose MAC is not 00:25:90:36:c0:d2.
Troubleshooting
===============
I placed a call to "/bin/sh" just before configure_networking call in
oper@watt:~$ zcat /boot/initrd.img-2.6.32-5-amd64 | cpio -i --to-stdout
scripts/nfs | head -n15
# NFS filesystem mounting -*- shell-script -*-
# FIXME This needs error checking
retry_nr=0
# parse nfs bootargs and mount nfs
do_nfsmount()
{
configure_networking
# get nfs root from dhcp
if [ "x${NFSROOT}" = "xauto" ]; then
# check if server ip is part of dhcp root-path
>From this shell I see that the right NIC (i.e. the one with MAC of
00:25:90:36:c0:d2) has the name "eth1-eth0" and "eth0" is a wrong NIC. I
can see in source code of udev that it sometimes generates such names
but I don't fully understand the logic behind that. I did
rmmod ixgbe
rmmod igb
modprobe igb
modprobe ixgbe
and suddenly 00:25:90:36:c0:d2 was correctly named eth0.
The machine has 36 SATA disks and it takes a while to detect
them. Maybe there's a race condition somewhere?
As a workaround I'm now calling my 00:25:90:36:c0:d2 NIC "net0"
instead of "eth0".
-- Package-specific info:
-- initramfs sizes
-rw-r--r-- 1 root root 9.1M May 23 16:01 /boot/initrd.img-2.6.32-5-amd64
-- /proc/cmdline
root=/dev/nfs initrd=watt/initrd.img nfsroot=10.8.8.8:/tftpboot/watt ip=dhcp
sysrq_always_enabled break=top BOOT_IMAGE=watt/vmlinuz
-- resume
RESUME=UUID=d2e19371-27b1-4826-9d93-dd0f4e1f0ea3
-- /proc/filesystems
-- lsmod
Module Size Used by
loop 11799 0
snd_pcm 60503 0
snd_timer 15582 1 snd_pcm
snd 46446 2 snd_pcm,snd_timer
soundcore 4598 1 snd
snd_page_alloc 6249 1 snd_pcm
psmouse 49937 0
joydev 8459 0
pcspkr 1699 0
serio_raw 3752 0
i2c_i801 7830 0
evdev 7352 4
ioatdma 34876 32
i2c_core 15819 1 i2c_i801
button 4650 0
processor 29935 16
nfs 241114 1
lockd 57603 1 nfs
fscache 29834 1 nfs
nfs_acl 2031 1 nfs
auth_rpcgss 33476 1 nfs
sunrpc 161541 9 nfs,lockd,nfs_acl,auth_rpcgss
sd_mod 29921 0
crc_t10dif 1276 1 sd_mod
usbhid 33292 0
hid 63257 1 usbhid
uhci_hcd 18521 0
ehci_hcd 32081 0
ixgbe 106622 0
usbcore 122386 4 usbhid,uhci_hcd,ehci_hcd
mpt2sas 87773 0
scsi_transport_sas 19865 1 mpt2sas
mdio 3096 1 ixgbe
scsi_mod 122149 3 sd_mod,mpt2sas,scsi_transport_sas
nls_base 6377 1 usbcore
igb 77959 0
dca 3761 3 ioatdma,ixgbe,igb
thermal 11674 0
thermal_sys 11942 2 processor,thermal
-- /etc/initramfs-tools/modules
-- /etc/kernel-img.conf
# Kernel image management overrides
# See kernel-img.conf(5) for details
do_symlinks = yes
do_bootloader = no
do_initrd = yes
link_in_boot = no
-- /etc/initramfs-tools/initramfs.conf
MODULES=most
BUSYBOX=y
KEYMAP=n
COMPRESS=gzip
BOOT=nfs
DEVICE=eth0
NFSROOT=auto
-- /etc/initramfs-tools/update-initramfs.conf
update_initramfs=yes
backup_initramfs=no
-- mkinitramfs hooks
/etc/initramfs-tools/hooks/:
/usr/share/initramfs-tools/hooks:
busybox
dmsetup
keymap
klibc
mdadm
thermal
udev
-- System Information:
Debian Release: 6.0.1
APT prefers stable-updates
APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: amd64 (x86_64)
Kernel: Linux 2.6.32-5-amd64 (SMP w/16 CPU cores)
Locale: LANG=C, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages initramfs-tools depends on:
ii cpio 2.11-4 GNU cpio -- a program to manage ar
ii findutils 4.4.2-1+b1 utilities for finding files--find,
ii klibc-utils 1.5.20-1 small utilities built with klibc f
ii module-init-tools 3.12-1 tools for managing Linux kernel mo
ii udev 164-3 /dev/ and hotplug management daemo
Versions of packages initramfs-tools recommends:
ii busybox 1:1.17.1-8 Tiny utilities for small and embed
Versions of packages initramfs-tools suggests:
ii bash-completion 1:1.2-3 programmable completion for the ba
-- Configuration Files:
/etc/initramfs-tools/initramfs.conf changed:
MODULES=most
BUSYBOX=y
KEYMAP=n
COMPRESS=gzip
BOOT=nfs
DEVICE=net0
NFSROOT=auto
-- no debconf information
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