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

David Hill dhill at redhat.com
Wed Sep 7 15:06:08 UTC 2016


Sorry for the delay.  We got the patched merged in a test kernel and 
we'll test it asap.

Thank you,

Dave


On 08/31/2016 03:46 PM, Jeff Kirsher wrote:
> On Tue, 2016-08-30 at 17:35 -0400, David Hill wrote:
>> 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 .
>>
> One of our ixgbe maintainers has created a patch http://patchwork.ozlabs.or
> g/patch/664633/ to fix the issue.  If you could have your customer please
> try the patch in the above link, to verify that it fixes the issue would be
> greatly appreciated.
>
>> 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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