On Fri, Aug 31, 2018, at 00:22, Rodney W. Grimes wrote:
> > On 8/30/18 2:51 PM, Marius Halden wrote:
> > > On Thu, Aug 30, 2018, at 19:27, Navdeep Parhar wrote:
> > >> On 8/30/18 4:21 AM, Marius Halden wrote:
> > >>> I tried to downgrade to a the previous bsdrp version we were running 
> > >>> based on 11.1-RELEASE-p10, but it did not start working again. ifconfig 
> > >>> output and t5nex0 devlog follows (non-working state), but it all looks 
> > >>> fine to me (media has always been reported wrong). I did notice though 
> > >>> that "hw_mac_init_port[0], ?" will always be logged when it works but 
> > >>> not when when it doesn't work. I confirmed this on a box still running 
> > >>> the old version which functions as intended.
> > >>>
> > >>> The ones not working has a newer firmware version than the ones working.
> > >>>
> > >>> Non-working:
> > >>> # sysctl dev.t5nex.0.firmware_version
> > >>> dev.t5nex.0.firmware_version: 1.19.1.0
> > >>>
> > >>>
> > >>> Working:
> > >>> # sysctl dev.t5nex.0.firmware_version
> > >>> dev.t5nex.0.firmware_version: 1.16.45.0
> > >>>
> > >>> Any other ideas?
> > >>>
> > >>
> > >> I'm still looking into it.  The current working theory is that the peer
> > >> is trying to autonegotiate when it shouldn't (it's 1Gbps optics).  If
> > >> you know how to disable AN on the peer this should be easy to test.
> > > 
> > > Thanks. Unfortunately we don't have access to the peer as that's our ISPs 
> > > router. According to the sysctl autonegotiate is not supported on our 
> > > side.
> > > 
> > 
> > I'll get a couple of 1G optics in a day or so and then I'll be able to
> > try some things for myself.  Wait for that or try a 1G TWINAX (copper)
> > SFP+ cable in case you have one -- that should be able to link up (if
> > it's really autonegotiation that's causing problems).
> 
> I have seen some issues if one end has 1G optics, and the other
> end has 1/10G optics, it wont reliably come up every time unless
> you nail the other end to 1Gbps.

I'm reasonably certain this isn't the issue here as I believe we use the same 
optics as our ISPs. In addition it reliably comes up every time with the old 
firmware and never with the new (after boot).

-- 
Marius Halden
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