> On Aug 8, 2016, at 5:33 AM, Ian Collins <[email protected]> wrote:
> 
> On 08/ 8/16 05:29 AM, Robert Mustacchi wrote:
>> On 8/6/16 13:21 , Ian Collins wrote:
>>> On 7/08/16 2:46 am, Robert Mustacchi wrote:
>>> 
>>>> Hmm, okay. So what is the output of dladm show-linkprop on that device?
>>>> Also, can you grab the prtconf -d /dev/ixgbe<num> output for it?
>>> ixgbe0       adv_10gfdx_cap  r-   1              1              1,0
>>> ixgbe0       en_10gfdx_cap   rw   1              1              1,0
>> Okay, so importantly we think we're advertising 10g. I have a feeling
>> that this part may have a similar bug as the X550 did in the driver.
>> Here's a way to test this. Run these two commands, waiting a second or
>> two inbetween and then check the new advertised speed:
>> 
>> dladm set-linkprop -p en_10gfdx_cap=0 ixgbe0
>> 
>> dladm set-linkprop -p en_10gfdx_cap=1 ixgbe0
>> 
>> I don't quite have a system in front of me, so not entirely sure that's
>> the right command. I'd expect each of those to cause the link to
>> reconfigure and hopefully we'll see a 10g speed after the second one.
> 
> Indeed it does - I could see the indicators on the switch go green.
> 
> # dladm show-linkprop -p speed ixgbe0
> LINK         PROPERTY        PERM VALUE          DEFAULT POSSIBLE
> ixgbe0       speed           r-   10000          10000          --

Quite odd... I wonder what's different about these integrated X540s versus the 
PCIe card X540s I used to test with.

The prtconf will be useful, but I have a feeling that we need to open up the 
initial link config in the driver and not make it X550-specific.

I'm wondering, what happens if you nail the switch ports to 10Gb?

/dale

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