On Sat, Aug 30, 2025 at 8:18 AM R Tyler Croy <rty...@brokenco.de> wrote:
>
> (replies inelin)
>
>
> On Saturday, August 23rd, 2025 at 10:32 PM, Kevin Bowling 
> <kevin.bowl...@kev009.com> wrote:
>
> >
>
> > ix is generally regarded as stable as others have stated. It would be
> > helpful to see 'sysctl dev.ix' after a stall, and maybe a clean one
> > prior to it.
> >
>
> > On X540 I'd pay some attention to thermals, the PHY generates a real
> > amount of heat.
>
>
> I was feeling pretty good this week that it might be the thermals since it's 
> been cooler and there were no issues...
>
> Then in the middle of the night, the issue popped up again!
>
> I have attached the diff on `sysctl dev.ix` before and after the stall. The 
> ix1 is the LAN interface where gateway traffic disappears. I'm hoping more 
> savvy eyes on this list might spot something useful in this

You've got an assortment of MAC level errors going on in the 'after':
+dev.ix.1.mac_stats.checksum_errs: 137
+dev.ix.1.mac_stats.rx_missed_packets: 930676
+dev.ix.1.mac_stats.rx_errs: 930676
+dev.ix.0.mac_stats.checksum_errs: 45
+dev.ix.0.mac_stats.local_faults: 563829
+dev.ix.0.mac_stats.short_discards: 6
+dev.ix.0.mac_stats.byte_errs: 6
+dev.ix.0.mac_stats.ill_errs: 6

I would be surprised if it is not a hardware issue given the MAC
errors on both ports.

It's been a minute since I looked at this but IIRC the thermal diode
is somehow botched somewhere in the ix family so we don't get a
notification in software if the PHY over temps.  But it's also
possible yours is already cooked or some other issue.  A potentially
useful hint, the X550 uses a lot less power and produces less heat.

Regards,
Kevin

>
> Cheers

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