[Bug 270163] Intel 82571EB quad port adapter causing ifconfig response delays when only one interface plugged in at boot

In reply to: bugzilla-noreply_a_freebsd.org: "[Bug 270163] Intel 82571EB quad port adapter causing ifconfig response delays when only one interface plugged in at boot"
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From: <bugzilla-noreply_at_freebsd.org>
Date: Mon, 13 Mar 2023 00:11:22 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=270163

--- Comment #2 from Timothy Pearson <tpearson@raptorengineering.com> ---
I can confirm the igb driver is also affected.  It appears that as soon as CARP
transitions from BACKUP to ACTIVE something happens that causes invalid DMA
to/from the card.  X520 cards are confirmed not affected, using the ixgbe
driver.

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