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[Mathew Hodson <mathew.hodson@xxxxxxxxx>]

** No longer affects: debian-installer (Ubuntu)

** No longer affects: systemd (Ubuntu)

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https://bugs.launchpad.net/bugs/1537136

Title:
  ISST-LTE: no network after install due to interface order change

Status in debian-installer source package in Trusty:
  Fix Committed
Status in systemd source package in Trusty:
  Fix Committed

Bug description:
  == Comment: #0 - Chanh H. Nguyen <chnguyen@xxxxxxxxxx> - 2015-12-10 20:32:29 ==
  We use the network to install Ubuntu 14.04.4 version. The installation is successful but then there is no network after system reboot in post install. Checking the network and I saw the order of interface are changed. This is causing no network at all.

  There is 2 cards (Houston 4ports & Mellanox 2 ports). We are using the Mellanox interface for this installation.
  At the installation menu, we select this interface eth2 (mellanox card)

  ??????????????????????? [!!] Configure the network ????????????????????????
    ?                                                                         ?
    ? Your system has multiple network interfaces. Choose the one to use as   ?
    ? the primary network interface during the installation. If possible,     ?
    ? the first connected network interface found has been selected.          ?
    ?                                                                         ?
    ? Primary network interface:                                              ?
    ?                                                                         ?
    ?       eth0: Emulex Corporation OneConnect NIC (Lancer)                  ?
    ?       eth1: Emulex Corporation OneConnect NIC (Lancer)                  ?
    ?       eth2: Mellanox Technologies MT27500 Family [ConnectX-3]           ?
    ?       eth3: Mellanox Technologies MT27500 Family [ConnectX-3]           ?
    ?       eth4: Emulex Corporation OneConnect NIC (Lancer)                  ?
    ?       eth5: Emulex Corporation OneConnect NIC (Lancer)                  ?
    ?                                                                         ?
    ?     <Go Back>                                                           ?
    ?                                                                         ?
    ???????????????????????????????????????????????????????????????????????????

  After install,
  root@monklp3:~# ifconfig
  eth2      Link encap:Ethernet  HWaddr 00:00:c9:d1:be:28
            UP BROADCAST MULTICAST  MTU:1500  Metric:1
            RX packets:0 errors:0 dropped:0 overruns:0 frame:0
            TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
            collisions:0 txqueuelen:1000
            RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

  lo        Link encap:Local Loopback
            inet addr:127.0.0.1  Mask:255.0.0.0
            inet6 addr: ::1/128 Scope:Host
            UP LOOPBACK RUNNING  MTU:65536  Metric:1
            RX packets:32 errors:0 dropped:0 overruns:0 frame:0
            TX packets:32 errors:0 dropped:0 overruns:0 carrier:0
            collisions:0 txqueuelen:0
            RX bytes:2368 (2.3 KB)  TX bytes:2368 (2.3 KB)
  root@monklp3:~# ifconfig -a|grep eth
  eth0      Link encap:Ethernet  HWaddr 00:00:c9:d1:be:26
  eth1      Link encap:Ethernet  HWaddr 00:00:c9:d1:be:27
  eth2      Link encap:Ethernet  HWaddr 00:00:c9:d1:be:28
  eth3      Link encap:Ethernet  HWaddr 00:02:c9:b7:60:b0
  eth4      Link encap:Ethernet  HWaddr 00:02:c9:b7:60:b1
  eth5      Link encap:Ethernet  HWaddr 00:00:c9:d1:be:29
  root@monklp3:~# cat /etc/network/interfaces
  # This file describes the network interfaces available on your system
  # and how to activate them. For more information, see interfaces(5).

  # The loopback network interface
  auto lo
  iface lo inet loopback

  # The primary network interface
  auto eth2
  iface eth2 inet dhcp
  root@monklp3:~# dmesg |grep "eth"
  [    0.950725] ibmveth: IBM Power Virtual Ethernet Driver 1.05
  [    0.950735] ehea: IBM eHEA ethernet device driver (Release EHEA_0107)
  [    9.810472] mlx4_en: eth3: Link Up
  [   40.554271] be2net 0001:80:00.2 eth2: Link is Down
  [   40.560738] IPv6: ADDRCONF(NETDEV_UP): eth2: link is not ready
  root@monklp3:~#

  The mellanox inteface is now on eth3 but on the /etc/network/interface
  file, it is set on eth2.

  SRU TEST CASE:
  --------------
   * Do a netboot install in a VM or machine with more than one NIC. If you use a VM, take care to not use the default MAC addresses as they are blacklisted from the persistent net generator. E. g. use "-net nic,model=virtio,macaddr=A4:4E:31:12:34:XX" with QEMU.
   * In the d-i environment, switch to a console with Alt+F2 after the base system got installed.
   * With current trusty, there is no /etc/udev/rules.d/70-persistent-net.rules and thus it also does not exist in /target/.
   * With the proposed update, /etc/udev/rules.d/70-persistent-net.rules should exist and be copied to /target/etc/udev/rules.d/ as well.

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