[Bug 546649] Re: Slow throughput when communicating with windows

[Anmar Oueja]

Client faced some issues. We need more testing:

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One thing we're seeing is occasional "FEC: MDIO read timeout" console messages with this fix anywhere from 1-5 minute intervals of constant use (website testing).   Is this related to the fix?   It's hard to tell if the Ethernet setup itself is the culprit or the driver:

Snippet of syslog:

Mar 31 09:45:02 freescale NetworkManager: <info>  (eth0): carrier now OFF (device state 8, deferring action for 4 seconds)
Mar 31 09:45:03 freescale NetworkManager: <info>  (eth0): carrier now ON (device state 8)
Mar 31 09:45:11 freescale kernel: FEC: MDIO read timeout
Mar 31 09:45:12 freescale NetworkManager: <info>  (eth0): carrier now OFF (device state 8, deferring action for 4 seconds)
Mar 31 09:45:13 freescale NetworkManager: <info>  (eth0): carrier now ON (device state 8)
Mar 31 09:47:25 freescale kernel: FEC: MDIO read timeout
Mar 31 09:47:26 freescale NetworkManager: <info>  (eth0): carrier now OFF (device state 8, deferring action for 4 seconds)
Mar 31 09:47:27 freescale NetworkManager: <info>  (eth0): carrier now ON (device state 8)

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Slow throughput when communicating with windows
https://bugs.launchpad.net/bugs/546649
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