[Bug 1693503] Re: Remove mlx4.conf

[Benjamin Drung]

The kernel will automatically load the mlx4 kernel module which will
request to load the mlx4_en and mlx4_ib modules if it detects Ethernet
or InfiniBand ports (see mlx4_request_modules() in
drivers/net/ethernet/mellanox/mlx4/main.c). So /etc/modprobe.d/mlx4.conf
can be dropped from kmod.

Can you please test following:
* Remove /etc/modprobe.d/mlx4.conf
* Update initramfs
* check if mlx4_ib.ko, mlx4_en.ko, and mlx4.ko are in the initrd (use lsinitramfs)
* then do a boot test

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https://bugs.launchpad.net/bugs/1693503

Title:
  Remove mlx4.conf

Status in kmod package in Ubuntu:
  Confirmed

Bug description:
  Hi,

  we are working on debianizing rdma-core package, it will contain a
  rdma service that manage the mlx4.conf file, so the conf file
  “/etc/modprobe.d/mlx4.conf” (that comes with “kmod” package) is not
  needed anymore, and must be removed.

  This conf file conflicts with “/lib/modprobe.d/libmlx4.conf” that will
  come with “rdma-core” package, and prevents running a script
  (/sbin/mlx4-setup.sh) that configures ConnectX-3 devices port types
  (IB vs. ETH).

  
  thanks
  Talat

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