[Bug 1455871] Re: biosdevname isn't giving interface names as expected

[Warren Wang]

I can confirm this bug, as an end user of the Mellanox cards and Ubuntu
Trusty with the default biosdevname. The second port is, for all intents
and purposes, unusable, since the logical name would change on every
reboot. biosdevname .6.2 fixed the issue.

Supermicro SuperServer 6047R-E1R72L
Mellanox ConnectX-3 Pro, 2* 40Gbe
Ubuntu Trusty, 3.13.0-52-generic

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Title:
  biosdevname isn't giving interface names as expected

Status in One Hundred Papercuts:
  Confirmed
Status in biosdevname package in Ubuntu:
  Confirmed

Bug description:
  We see an issue with the biosdevname package that comes with ubuntu
  14.04.2 package version 0.4.1-0ubuntu6.1.

  There is two issue that we see with Mellanox Card that include two ports:
  1- Both ports aren't given interface names with format of "p<num>p<num> (e.g. p514p1) as expected.
  2- Second port isn't given "BIOS device" at all.

  After update the biosdevname to version 0.6.2 we don't see the issue (
  please see below the output of the biosdevname before and after the
  update).

  Could please update the version of the biosdevname package to fix this
  issue.

  
  Output from "biosdevname -d" for biosdevname 0.4.1-0ubuntu6.1, "BIOS device" and "Kernel name" aren't the same.

  BIOS device: p514p1
  Kernel name: eth1
  Permanent MAC: 00:02:C9:2F:DD:20
  Assigned MAC : 00:02:C9:2F:DD:20
  ifIndex: 6
  Driver: mlx4_en
  Driver version: 2.2-1 (Feb 2014)
  Firmware version: 2.33.5100
  Bus Info: 0000:02:00.0
  PCI name      : 0000:02:00.0
  PCI Slot      : 514
  SMBIOS Label: RSC-R1UW-2E16 SLOT2 PCI-E X16
  Index in slot: 1

  BIOS device:                       <------ no name
  Kernel name: eth2
  Permanent MAC: 00:02:C9:2F:DD:21
  Assigned MAC : 00:02:C9:2F:DD:21
  ifIndex: 7
  Driver: mlx4_en
  Driver version: 2.2-1 (Feb 2014)
  Firmware version: 2.33.5100
  Bus Info: 0000:02:00.0

  
  Output from "biosdevname -d" for biosdevname 0.6.2, both "BIOS device" and "kernel name" as expected.

  BIOS device: p514p1
  Kernel name: p514p1
  Permanent MAC: 00:02:C9:2F:DD:20
  Assigned MAC : 00:02:C9:2F:DD:20
  ifIndex: 6
  Driver: mlx4_en
  Driver version: 2.2-1 (Feb 2014)
  Firmware version: 2.33.5100
  Bus Info: 0000:02:00.0
  PCI name      : 0000:02:00.0
  PCI Slot      : 514
  SMBIOS Label: RSC-R1UW-2E16 SLOT2 PCI-E X16
  Index in slot: 1

  BIOS device: p514p2
  Kernel name: p514p2
  Permanent MAC: 00:02:C9:2F:DD:21
  Assigned MAC : 00:02:C9:2F:DD:21
  ifIndex: 7
  Driver: mlx4_en
  Driver version: 2.2-1 (Feb 2014)
  Firmware version: 2.33.5100
  Bus Info: 0000:02:00.0
  PCI name      : 0000:02:00.0
  PCI Slot      : 514
  SMBIOS Label: RSC-R1UW-2E16 SLOT2 PCI-E X16
  Index in slot: 1

  
  lsb_release -rd output:
  Description:	Ubuntu 14.04.2 LTS
  Release:	14.04

  
  apt-cache policy biosdevname output:
  biosdevname:
    Installed: 0.4.1-0ubuntu6.1
    Candidate: 0.4.1-0ubuntu6.1
    Version table:
   *** 0.4.1-0ubuntu6.1 0
          500 http://webrepo/ubuntu-mirror/ trusty-updates/main amd64 Packages
          100 /var/lib/dpkg/status
       0.4.1-0ubuntu6 0
          500 http://webrepo/ubuntu-mirror/ trusty/main amd64 Packages

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