[Bug 1436401] [NEW] /etc/network/interfaces did not contain any configuration for Ethernet on a Lenovo Z50 70 after installing 14.04.2 LTS Server from CD

[RayH]

Public bug reported:

I did a clean install on a Lenovo Z50 70 with an erased hard disk from
the Server install CD version 14.04.2 LTS.

lsb_release -rd
Ubuntu 14.04.2 LTS


The install succeeded without warnings. Packages were downloaded from online.

After reboot the system came up normally to a command prompt, but there
were no working network. connections.

The r8169 Ethernet driver had loaded normally and there was nothing
strange in dmesg.

Further debugging via lshw -c network  showed that only the loppback
interface was configured and the other interfaces were marked *-network
DISABLED.

Checking /etc/network/interfaces indeed showed that there was no
configuration for the relevant devices.

workaround:

Manually edited /etc/network/interfaces and added the following lines

auto p2p1
ifacce p2p1 inet dhcp

reboot, and all was nominal.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: debian-installer (not installed)
ProcVersionSignature: Ubuntu 3.16.0-30.40~14.04.1-generic 3.16.7-ckt3
Uname: Linux 3.16.0-30-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.8
Architecture: amd64
CurrentDesktop: GNOME
Date: Wed Mar 25 16:18:30 2015
InstallationDate: Installed on 2015-03-25 (0 days ago)
InstallationMedia: Ubuntu-Server 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
MachineType: LENOVO 20354
MemoryUsage:
 total       used       free     shared    buffers     cached
 Mem:       8066212    1741260    6324952     148772      69172    1108088
 -/+ buffers/cache:     564000    7502212
 Swap:      8278012          0    8278012
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.16.0-30-generic.efi.signed root=/dev/mapper/hostname--vg-root ro
SourcePackage: debian-installer
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/20/2014
dmi.bios.vendor: LENOVO
dmi.bios.version: 9BCN29WW
dmi.board.asset.tag: No Asset Tag
dmi.board.name: Lancer 5A5
dmi.board.vendor: LENOVO
dmi.board.version: 31900058WIN
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo Z50-70
dmi.modalias: dmi:bvnLENOVO:bvr9BCN29WW:bd10/20/2014:svnLENOVO:pn20354:pvrLenovoZ50-70:rvnLENOVO:rnLancer5A5:rvr31900058WIN:cvnLENOVO:ct10:cvrLenovoZ50-70:
dmi.product.name: 20354
dmi.product.version: Lenovo Z50-70
dmi.sys.vendor: LENOVO

** Affects: debian-installer (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug trusty

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Title:
  /etc/network/interfaces did not contain any configuration for Ethernet
  on a Lenovo Z50 70 after installing 14.04.2 LTS Server from CD

Status in debian-installer package in Ubuntu:
  New

Bug description:
  I did a clean install on a Lenovo Z50 70 with an erased hard disk from
  the Server install CD version 14.04.2 LTS.

  lsb_release -rd
  Ubuntu 14.04.2 LTS

  
  The install succeeded without warnings. Packages were downloaded from online.

  After reboot the system came up normally to a command prompt, but
  there were no working network. connections.

  The r8169 Ethernet driver had loaded normally and there was nothing
  strange in dmesg.

  Further debugging via lshw -c network  showed that only the loppback
  interface was configured and the other interfaces were marked
  *-network DISABLED.

  Checking /etc/network/interfaces indeed showed that there was no
  configuration for the relevant devices.

  workaround:

  Manually edited /etc/network/interfaces and added the following lines

  auto p2p1
  ifacce p2p1 inet dhcp

  reboot, and all was nominal.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: debian-installer (not installed)
  ProcVersionSignature: Ubuntu 3.16.0-30.40~14.04.1-generic 3.16.7-ckt3
  Uname: Linux 3.16.0-30-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.8
  Architecture: amd64
  CurrentDesktop: GNOME
  Date: Wed Mar 25 16:18:30 2015
  InstallationDate: Installed on 2015-03-25 (0 days ago)
  InstallationMedia: Ubuntu-Server 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
  MachineType: LENOVO 20354
  MemoryUsage:
   total       used       free     shared    buffers     cached
   Mem:       8066212    1741260    6324952     148772      69172    1108088
   -/+ buffers/cache:     564000    7502212
   Swap:      8278012          0    8278012
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.16.0-30-generic.efi.signed root=/dev/mapper/hostname--vg-root ro
  SourcePackage: debian-installer
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 10/20/2014
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 9BCN29WW
  dmi.board.asset.tag: No Asset Tag
  dmi.board.name: Lancer 5A5
  dmi.board.vendor: LENOVO
  dmi.board.version: 31900058WIN
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Lenovo Z50-70
  dmi.modalias: dmi:bvnLENOVO:bvr9BCN29WW:bd10/20/2014:svnLENOVO:pn20354:pvrLenovoZ50-70:rvnLENOVO:rnLancer5A5:rvr31900058WIN:cvnLENOVO:ct10:cvrLenovoZ50-70:
  dmi.product.name: 20354
  dmi.product.version: Lenovo Z50-70
  dmi.sys.vendor: LENOVO

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