[Bug 252165] usb network and mii bus media status race condition

From: <bugzilla-noreply_at_freebsd.org>
Date: Sat, 22 Oct 2022 04:06:44 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=252165

--- Comment #25 from vxasxfepbikrfqdruz@nvhrw.com ---
(In reply to Ali Abdallah from comment #24)
Yeah, I was pretty surprised as well that this is entirely broken despite
several USB to ethernet adapters being listed as supported by FreeBSD. This
also affects pfSense and opnSense which you think would generate some attention
about this, but they just seem to recommend not using USB adapters at all. 

If it's any help when I was getting my USB adapters I checked with the
supported devices list and the comments on amazon. There were several comments
saying their adapters worked fine with freebsd with the latest one being from
October 2016. That would mean this problem was probably introduced sometime
between v10.4 and now.

This is kinda over my head but I would really appreciate if this were fixed and
I was able to build the fixed mii module. Thank you for your efforts.



P.S. This is only sort of related but there's another issue with USB adapters
if you have more than one. They get picked up at boot in a random order so
which adapter is which interface will get shuffled every boot. I was able to
mitigate that using the ethname package.

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