mlx4 modprobe dep not needed by default

Bug #1760824 reported by Tobias Urdin on 2018-04-03
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
kmod (Ubuntu)
Undecided
Unassigned

Bug Description

My machine:
Ubuntu 16.04.4 Xenial
4.4.0-116-generic #140-Ubuntu SMP Mon Feb 12 21:23:04 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

Changes were made in bug [1] to fix an issue where mlx4_en was not loaded.
The following change was added:

cat /etc/modprobe.d/mlx4.conf
# mlx4_core should load mlx4_en (LP: #1115710).
softdep mlx4_core post: mlx4_en

This change is no longer needed since [2] also see testing in [3]

Without /etc/modprobe.d/mlx4.conf and having following in /etc/modprobe.d/mlx4_core.conf
options mlx4_core log_num_mgm_entry_size=-1

# lsmod | grep mlx
mlx4_en 110592 0
vxlan 49152 2 i40e,mlx4_en
ptp 20480 3 igb,i40e,mlx4_en
mlx4_core 286720 1 mlx4_en

# ethtool -k enp59s0 | grep tx-udp
tx-udp_tnl-segmentation: on

[1] https://bugs.launchpad.net/maas/+bug/1115710
[2] https://bugs.launchpad.net/maas/+bug/1115710/comments/21
[3] https://bugs.launchpad.net/maas/+bug/1115710/comments/22

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