kernel-packages team mailing list archive

[Paolo Pisati <1452628@xxxxxxxxxxxxxxxxxx>]

** Patch added: "0003-net-cpsw-header-Add-missing-include.patch"
   https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1452628/+attachment/4392972/+files/0003-net-cpsw-header-Add-missing-include.patch

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https://bugs.launchpad.net/bugs/1452628

Title:
  beaglebone: random MAC on boot

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  SRU Justification:

      Impact: after every reboot, the nic on the beaglebone gets a
  completely different MAC address.

      Fix: Apply the patches, recompile and reboot.

      Testcase: Try booting two times in a row with and without the
  patches applied and check if the MAC address of eth0 changes or not.

  With this series applied:

  ...
  [    2.847766] davinci_mdio 4a101000.mdio: davinci mdio revision 1.6
  [    2.854144] davinci_mdio 4a101000.mdio: detected phy mask fffffffe
  [    2.866722] libphy: 4a101000.mdio: probed
  [    2.871020] davinci_mdio 4a101000.mdio: phy[0]: device 4a101000.mdio:00, driver SMSC LAN8710/LAN8720
  [    2.886827] Detected MACID = 90:59:af:5a:b6:ca
  ...

  and it won't change anymore.
  ---

  On the beaglebone, the NIC keeps getting a random MAC after every
  reboot, making it impossible to associate a static ip with the board:

  ...
  [    2.839176] davinci_mdio 4a101000.mdio: davinci mdio revision 1.6
  [    2.845579] davinci_mdio 4a101000.mdio: detected phy mask fffffffe
  [    2.858195] libphy: 4a101000.mdio: probed
  [    2.862510] davinci_mdio 4a101000.mdio: phy[0]: device 4a101000.mdio:00, driver SMSC LAN8710/LAN8720
  [    2.872364] cpu cpu0: cpu0 regulator not ready, retry
  [    2.878372] Random MACID = ee:7a:fa:cd:13:39
  ...

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