[ovs-dev] bug fix for miimon issue with ixgbe driver that half support mii

David Hill dhill at redhat.com
Tue Aug 30 21:35:12 UTC 2016


Hello sir,

    I do not understand either but that's what's happening.  It's a 
fiber adapter so maybe the driver says it's supported and when trying to 
request values from the nic itself it fails because it's no longer 
supported... but that's only a though .

Thank you very much,

David Hill


On 08/30/2016 04:33 PM, Joe Stringer wrote:
> On 30 August 2016 at 12:49, David Hill <dhill at redhat.com> wrote:
>> Hello sir,
>>
>>     We have a customer hitting an issue where ixgbe will not return an error
>> at "SIOCGMIIPHY" but will hit it later at "SIOCGMIIREG" so instead of
>> failling at miimon and never doing the failover, we'd like it to use ethtool
>> which is properly returning the link state.
> Hm, I don't understand why ixgbe would support getting the address of
> the MII PHY in use, but not to fetch the IMM_BMSR "basic mode status register"
> from it. Is this supposed to happen? Have you tried discussing this
> with the upstream driver developers?




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