** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Vivid)
Status: New => Fix Committed
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https://bugs.launchpad.net/bugs/1432848
Title:
ethtool -t ethX failing with Ubuntu 15.04 (3.19.0-8-generic)
(Mellanox)
Status in libmlx4 package in Ubuntu:
Confirmed
Status in linux package in Ubuntu:
New
Status in libmlx4 source package in Vivid:
New
Status in linux source package in Vivid:
Fix Committed
Bug description:
SRU Justification:
Impact: Ethtool selftest does not work for Mellanox CX3 / CX3 Pro
Fix: Upstream development, already tested and proved to work.
Testcase:
Execute "ethtool -t <mellanox_cx3_interface>" and see result FAIL
Use provided PPA for testing the patch (Received good feedback)
Obs: Affects only 3.19+ kernels (fixes commit dd65bea)
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Original Bug Description:
== Comment: #0 - Carol L. Soto <[email protected]> - 2015-03-16 15:54:40 ==
---Problem Description---
ethtool -t eth18
The test result is FAIL
The test extra info:
Interrupt Test 0
Link Test 0
Speed Test 0
Register Test 0
Loopback Test 1
Will see this message in dmesg:
mlx4_en: eth18: Loopback packet didn't arrive
Contact Information = Carol Soto/[email protected]
---uname output---
Linux powerio-le21 3.19.0-8-generic #8-Ubuntu SMP Tue Mar 10 13:07:58 UTC
2015 ppc64le ppc64le ppc64le GNU/Linux
---Additional Hardware Info---
Need a Mellanox RoCE adapter like CX3 40G or CX3 Pro 10G
Machine Type = P8
---Debugger---
A debugger is not configured
---Steps to Reproduce---
ethtool -t ethX
Stack trace output:
no
Oops output:
no
System Dump Info:
The system is not configured to capture a system dump.
*Additional Instructions for Carol Soto/[email protected]:
-Attach sysctl -a output output to the bug.
== Comment: #1 - Carol L. Soto <[email protected]> - 2015-03-16 15:55:36 ==
Patch to fix this issue is available in upstream:
From 1037ebbbd262227a91dfdd558159e345d4edf6b7 Mon Sep 17 00:00:00 2001
From: Ido Shamay <[email protected]>
Date: Mon, 2 Mar 2015 18:22:16 +0200
Subject: net/mlx4_en: Disbale GRO for incoming loopback/selftest packets
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/patch/drivers/net/ethernet/mellanox/mlx4?id=1037ebbbd262227a91dfdd558159e345d4edf6b7
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