[Bug 280386] if_bridge throws output errors under load

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From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 26 Jul 2024 05:15:37 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=280386

--- Comment #7 from pascal.guitierrez@gmail.com ---
(In reply to fatalnix from comment #6)

it's my understanding that adding the device to the bridge switches off the NIC
offloading features automatically.

i'm getting 942Mb/sec and interestingly the dropped packets are limited to a
single txq, which changes between each test run:

dev.igb.0.iflib.txq3.r_drops: 188
dev.igb.0.iflib.txq2.r_drops: 130
dev.igb.0.iflib.txq1.r_drops: 69 <-- only one of these increments during each
test 
dev.igb.0.iflib.txq0.r_drops: 4636

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