** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu)
Status: Incomplete => Triaged
** Also affects: linux (Ubuntu Vivid)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Vivid)
Status: New => Triaged
** Changed in: linux (Ubuntu Vivid)
Importance: Undecided => Medium
** Also affects: linux (Ubuntu Wily)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Wily)
Status: New => Triaged
** Changed in: linux (Ubuntu Wily)
Importance: Undecided => Medium
** Also affects: linux-lts-vivid (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux-lts-wily (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux-lts-vivid (Ubuntu)
Status: New => Triaged
** Changed in: linux-lts-vivid (Ubuntu Vivid)
Status: New => Triaged
** Changed in: linux-lts-vivid (Ubuntu Wily)
Status: New => Triaged
** Changed in: linux-lts-wily (Ubuntu)
Status: New => Triaged
** Changed in: linux-lts-wily (Ubuntu Vivid)
Status: New => Triaged
** Changed in: linux-lts-wily (Ubuntu Wily)
Status: New => Triaged
** Changed in: linux-lts-vivid (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux-lts-vivid (Ubuntu Vivid)
Importance: Undecided => Medium
** Changed in: linux-lts-wily (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux-lts-wily (Ubuntu Vivid)
Importance: Undecided => Medium
** Changed in: linux-lts-wily (Ubuntu Wily)
Importance: Undecided => Medium
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https://bugs.launchpad.net/bugs/1528466
Title:
Mellanox ConnectX4 MTU limits: max and min
Status in linux package in Ubuntu:
Triaged
Status in linux-lts-vivid package in Ubuntu:
Triaged
Status in linux-lts-wily package in Ubuntu:
Triaged
Status in linux source package in Vivid:
Triaged
Status in linux-lts-vivid source package in Vivid:
Triaged
Status in linux-lts-wily source package in Vivid:
Triaged
Status in linux source package in Wily:
Triaged
Status in linux-lts-vivid source package in Wily:
Triaged
Status in linux-lts-wily source package in Wily:
Triaged
Bug description:
Max MTU limit should be 9978
Tested on Ubuntu 14.04.4 daily build, this issue exist also in 15.10.
reproduce
# ifconfig p2p1 mtu 9000000
SIOCSIFMTU: Invalid argument
# dmesg
[62898.559808] mlx5_core 0000:20:00.0 p2p1: mlx5e_change_mtu: Bad MTU
(9000000) > (10000) Max
[63058.512668] command failed, status bad parameter(0x3), syndrome 0x648afc
Upstream commit that fix the issue
commit 60825c35bf023553f8524f6695f176236e54df97
Author: Doron Tsur <dor...@mellanox.com>
Date: Thu Nov 12 19:35:27 2015 +0200
net/mlx5e: Max mtu comparison fix
On change mtu the driver compares between hardware queried mtu and
software requested mtu. We need to compare between software
representation of the queried mtu and the requested mtu.
Fixes: facc9699f0fe ('net/mlx5e: Fix HW MTU settings')
Signed-off-by: Doron Tsur <dor...@mellanox.com>
Signed-off-by: Saeed Mahameed <sae...@mellanox.com>
Signed-off-by: Or Gerlitz <ogerl...@mellanox.com>
Signed-off-by: David S. Miller <da...@davemloft.net>
# cat /etc/os-release
NAME="Ubuntu"
VERSION="14.04.3 LTS, Trusty Tahr"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 14.04.3 LTS"
VERSION_ID="14.04"
HOME_URL="http://www.ubuntu.com/";
SUPPORT_URL="http://help.ubuntu.com/";
BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/";
# uname -r
4.2.0-22-generic
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