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Date:      Wed, 24 Jul 2024 02:55:15 +0000
From:      bugzilla-noreply@freebsd.org
To:        net@FreeBSD.org
Subject:   [Bug 280386] if_bridge throws output errors under load
Message-ID:  <bug-280386-7501-YaCknZtfAg@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-280386-7501@https.bugs.freebsd.org/bugzilla/>
References:  <bug-280386-7501@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D280386

--- Comment #2 from pascal.guitierrez@gmail.com ---
(In reply to Zhenlei Huang from comment #1)

Thanks for your response.

Just ran the tests again.
There are no dropped packets detected even though the Oerr count is increas=
ing,
see below for netstat -di output:

Name      Mtu Network         Address                Ipkts Ierrs Idrop=20=
=20=20=20=20
Opkts Oerrs  Coll  Drop
igb0     1500 <Link#1>        5c:ed:8c:e9:c2:48   91053412     0     0=20=20
78158209     0     0     0=20
igb1*    1500 <Link#2>        5c:ed:8c:e9:c2:49          0     0     0=20=
=20=20=20=20=20=20=20=20
0     0     0     0=20
igb2*    1500 <Link#3>        5c:ed:8c:e9:c2:4a          0     0     0=20=
=20=20=20=20=20=20=20=20
0     0     0     0=20
igb3*    1500 <Link#4>        5c:ed:8c:e9:c2:4b          0     0     0=20=
=20=20=20=20=20=20=20=20
0     0     0     0=20
lo0     16384 <Link#5>        lo0                    62786     0     0=20=
=20=20=20=20
62786     0     0     0=20
lo0         - localhost       localhost                  0     -     -=20=
=20=20=20=20=20=20=20=20
0     -     -     -=20
lo0         - fe80::%lo0/64   fe80::1%lo0                0     -     -=20=
=20=20=20=20=20=20=20=20
0     -     -     -=20
lo0         - your-net        localhost              62786     -     -=20=
=20=20=20=20
62786     -     -     -=20
bridge0  1500 <Link#6>        58:9c:fc:00:07:00  168029633     0     0=20
168394069 269681     0     0=20
bridge0     - 192.168.0.0/24  192.168.0.150         719881     -     -=20=
=20=20
1307016     -     -     -=20
ue0      1500 <Link#7>        72:84:d1:bf:ad:2f       8907     0     0=20=
=20=20=20=20=20
8908     0     0     0=20
ue0         - 16.1.15.0/30    16.1.15.2               8208     -     -=20=
=20=20=20=20=20
8208     -     -     -


Here is the relevant ifconfig:

igb0: flags=3D1008943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST,LOWER_=
UP>
metric 0 mtu 1500
=20=20=20=20=20=20=20
options=3D4a520b9<RXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,WOL_=
MAGIC,VLAN_HWFILTER,VLAN_HWTSO,RXCSUM_IPV6,HWSTATS,MEXTPG>
        ether 5c:ed:8c:e9:c2:48
        media: Ethernet autoselect (1000baseT <full-duplex>)
        status: active
        nd6 options=3D29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>

bridge0: flags=3D1008843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,LOWER_UP> m=
etric
0 mtu 1500
        options=3D0
        ether 58:9c:fc:00:07:00
        inet 192.168.0.150 netmask 0xffffff00 broadcast 192.168.0.255
        id 00:00:00:00:00:00 priority 32768 hellotime 2 fwddelay 15
        maxage 20 holdcnt 6 proto rstp maxaddr 2000 timeout 1200
        root id 00:00:00:00:00:00 priority 32768 ifcost 0 port 0
        member: igb0 flags=3D143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
                ifmaxaddr 0 port 1 priority 128 path cost 55
        groups: bridge vm-switch viid-4c918@
        nd6 options=3D9<PERFORMNUD,IFDISABLED>

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