[Bug 1760824] Re: mlx4 modprobe dep not needed by default

[Tobias Urdin]

** Changed in: kmod (Ubuntu)
       Status: New => Incomplete

** Changed in: kmod (Ubuntu)
       Status: Incomplete => Fix Released

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https://bugs.launchpad.net/bugs/1760824

Title:
  mlx4 modprobe dep not needed by default

Status in kmod package in Ubuntu:
  Fix Released

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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