#19579: Ubiquiti Bullet 5M / ar71xx / ethernet sometimes not working / r45583
------------------------+------------------------
  Reporter:  bittorf@…  |      Owner:  developers
      Type:  defect     |     Status:  new
  Priority:  normal     |  Milestone:
 Component:  packages   |    Version:  Trunk
Resolution:             |   Keywords:
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Comment (by ufo@…):

 we also have that behaviour with cc-trunk since a while. downgrading some
 devices to bb-trunk (20150220, r44441)  makes the ethernet-port more
 stable, but doesnt solve that problem.
 the behaviour seems not that often than on cc-trunk, and most of the times
 we dont need a reboot (only a few times per week), because device is
 "repairing" it by itself after a second.

 with bb-trunk:
 [39696.300000] eth0: link down
 [39697.300000] eth0: link up (100Mbps/Full duplex)
 [40993.300000] eth0: link down
 [40995.300000] eth0: link up (100Mbps/Full duplex)
 [42575.300000] eth0: link down
 [42576.300000] eth0: link up (100Mbps/Full duplex)

 especially with xw-devices from ubnt we have more problems. is there
 another ticket for that?

 here with cc-trunk, mostly ethernet is running in a proper way only some
 minutes/hours. wondering, why there is 1000MBit/s speed, we have PoE-Stuff
 and only 100MBit/s on the cables.. maybe its some powermanagement?
 [  253.880000] eth0: link up (10Mbps/Half duplex)
 [  255.880000] eth0: link up (100Mbps/Full duplex)
 [  299.880000] eth0: link up (100Mbps/Half duplex)
 [  301.880000] eth0: link up (100Mbps/Full duplex)
 [  317.880000] eth0: link down
 [  318.880000] eth0: link up (100Mbps/Full duplex)
 [  356.880000] eth0: link up (10Mbps/Half duplex)
 [  358.880000] eth0: link up (100Mbps/Full duplex)
 [  468.880000] eth0: link up (100Mbps/Half duplex)
 [  470.880000] eth0: link up (100Mbps/Full duplex)
 [  524.880000] eth0: link down
 [  525.880000] eth0: link up (100Mbps/Full duplex)
 [  737.880000] eth0: link up (100Mbps/Half duplex)
 [  739.880000] eth0: link up (100Mbps/Full duplex)
 [  773.880000] eth0: link up (100Mbps/Half duplex)
 [  775.880000] eth0: link up (100Mbps/Full duplex)
 [ 1011.880000] eth0: link up (1000Mbps/Full duplex)

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Ticket URL: <https://dev.openwrt.org/ticket/19579#comment:2>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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