cxl nic not working after reboot

[Navdeep Parhar]

On 8/28/18 11:27 AM, Marius Halden wrote:
> On Tue, Aug 28, 2018, at 20:06, Navdeep Parhar wrote:
>> On 8/28/18 2:35 AM, Marius Halden wrote:
>>> ...
>>>     media: Ethernet 1000baseSX <full-duplex,rxpause,txpause>
>>>     status: active
>>>     supported media:
>>>         media 1000baseSX mediaopt full-duplex,rxpause,txpause
>>>         media 1000baseSX mediaopt full-duplex,rxpause
>>>         media 1000baseSX mediaopt full-duplex,txpause
>>>         media 1000baseSX mediaopt full-duplex
>>>     plugged: SFP/SFP+/SFP28 1000BASE-LX (LC)
>>
>> This shows that the SFP+ is recognized properly and the link is up
>> (active).  Can you please provide the outputs of ifconfig and sysctl
>> from when the system is in the problem state, when the link doesn't come up?
> 
> This is from when it's in the problem state. According to ifconfig there is link and everything looks fine to me, but it doesn't seem to pass any traffic through the interface at all.
> 

Try passing some network traffic through the interface and look at
before/after state of the MAC counters in sysctl dev.cxl.0.stats.  Do
you see the tx_frames/rx_frames counter move at all?

Regards,
Navdeep