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Message #137646
[Bug 1497812] Re: i40e bug: non physical MAC outbound frames appear as copied back inbound (mirrored)
** Changed in: linux (Ubuntu)
Status: Triaged => In Progress
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Joseph Salisbury (jsalisbury)
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https://bugs.launchpad.net/bugs/1497812
Title:
i40e bug: non physical MAC outbound frames appear as copied back
inbound (mirrored)
Status in linux package in Ubuntu:
In Progress
Status in linux-lts-vivid package in Ubuntu:
Confirmed
Bug description:
Using 3.19.0-28-generic #30~14.04.1-Ubuntu with stock i40e
driver version 2.2.2-k makes every 'non physical' MAC output
frame appear as copied back at input, as if the switch was
doing frame 'mirroring' (and/or hair-pinning).
FYI same setup, with i40e upgraded to 1.2.48 from
http://downloadmirror.intel.com/25282/eng/i40e-1.2.48.tar.gz
behaves OK, fyi also we did a port mirroring setup at
the switch directed to a different physical port for debugging,
and didn't observe these frames to be physically present.
See tcpdump -P in/out and more details at
http://paste.ubuntu.com/12511680/
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.19.0-28-generic 3.19.0-28.30~14.04.1
ProcVersionSignature: Ubuntu 3.19.0-28.30~14.04.1-generic 3.19.8-ckt5
Uname: Linux 3.19.0-28-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.13
Architecture: amd64
Date: Mon Sep 21 02:05:28 2015
ProcEnviron:
TERM=screen
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: linux-lts-vivid
UpgradeStatus: No upgrade log present (probably fresh install)
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References