[Bug 235524] igb(4): Ethernet interface loses active link state

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=235524

Kevin Bowling <kbowling at freebsd.org> changed:

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                 CC|                            |kbowling at freebsd.org

--- Comment #11 from Kevin Bowling <kbowling at freebsd.org> ---
(In reply to mack from comment #10)
This is a different issue.  The realtek driver in FreeBSD is missing a lot of
critical workarounds for hardware issues, which is why you see the watchdog. 
You can try the "net/realtek-re-kmod" driver in ports which contains some of
the workarounds needed and is tested by the vendor.

I am interested in improving re(4) but to set expectations these are colossal
tasks that cover 60 chipset variations and none of them are flawless, I don't
have docs, and have to sneak this in between a dayjob.  If you can provide more
info like the pciconf output that would make for a useful bug report (in a new
PR not this one which is not related).

If you rely on the system in a material way I would switch to a vendor
supported NIC, like Chelsio T4+, Mellanox CX4+, or intel ixgbe+.  Chelsio has
twisted pair options.

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