Leaving a headstone for the next person who goes looking:

It was the transceivers. Some intel-coded transceivers from FS worked
straight away.

Thanks all who provided helpful suggestions and pointers, I appreciate
it.

weaver

On Fri, Oct 4, 2024, at 06:54, Wouter Prins wrote:
> hi Matthew,
> 
> We are using multiple ixl(4) quad cards and encountered the same issue when 
> testing with 3rd party optics.
> Using official intel optics or re-branded optics works ok for us on openbsd 
> 7.4.
> 
> Kind regards,
> Wouter
> 
> On Fri, Oct 4, 2024 at 12:27 PM matthew j weaver <m...@ice-nine.org> wrote:
>> Thanks, Jan & Stuart -- I'll grab some more likely intel compatible 
>> transceivers and give them a shot.
>> 
>> I appreciate the pointers.
>> 
>> weaver
>> 
>> On Fri, Oct 4, 2024, at 04:32, Stuart Henderson wrote:
>> > On 2024-10-04, Jan Klemkow <j...@openbsd.org> wrote:
>> >> Hi Matthew,
>> >>
>> >> On Thu, Oct 03, 2024 at 01:52:11PM -0500, matthew j weaver wrote:
>> >>> Howdy, all. I'm having basic trouble with some ixl(4) interfaces and
>> >>> cannot figure out what I am overlooking.
>> >>> 
>> >>> The hardware is an Intel X710 SFP+ card with two interfaces. I cannot
>> >>> seem to get the interfaces to achieve carrier link. The interfaces are
>> >>> always status: no carrier. I've tried a few transceivers, cables, 
>> >>> different
>> >>> equipment on the far end, to no avail.
>> >>> 
>> >>> The transceivers and cables currently set up have worked fine in
>> >>> other hardware.
>> >>> 
>> >>> Install is OpenBSD 7.5, dmesg is below.
>> >>> 
>> >>> For ease of experiment, I've put matching transceivers into the two
>> >>> interfaces, connected by an appropriate cable. Even in this
>> >>> configuration I can't get link, as can be seen here in output from
>> >>> ifconfig ixl{0,1} transceiver:
>> >>> 
>> >>> -----
>> >>> ixl0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
>> >>>         lladdr 40:a6:b7:b3:4b:28
>> >>>         index 1 priority 0 llprio 3
>> >>>         media: Ethernet autoselect
>> >>>         status: no carrier
>> >>
>> >>>         transceiver: SFP LC, 850 nm, 300m OM1, 300m OM2, 600m OM3
>> >>>         model: Ubiquiti Inc. OM-MM-10G-D rev A1
>> >>
>> >> This kind of transceiver may incompatible with Intel NICs.
>> >> Do you have Intel-Transceivers to verify that?
>> >
>> > or Finisar usually work in ixl, or something intel-coded (fs.com,
>> > flexoptix, etc).
>> >
>> > -- 
>> > Please keep replies on the mailing list.
> 
> 
> --
> Wouter Prins
> w...@null0.nl

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