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Message #122146
[Bug 1452628] Re: beaglebone: random MAC on boot
** Tags removed: verification-needed-utopic
** Tags added: verification-done-utopic
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https://bugs.launchpad.net/bugs/1452628
Title:
beaglebone: random MAC on boot
Status in linux package in Ubuntu:
Incomplete
Status in linux source package in Trusty:
Fix Committed
Status in linux source package in Utopic:
Fix Committed
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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References