How to blacklist a device driver (sysemd)

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Hi,

how can a specific device driver in CentOS 7 be blacklisted, so that it doesn't load at boot time? We have Infiniband adapters which are not completely supported by CentOS and we want to silence the error messages for the time being.

I tried with the files

  /etc/modprobe.d/blacklist
  /etc/modprobe.d/blacklist.conf

and with entries

  mlx5_core
  mlx5_ib

  blacklist mlx5_core
  blacklist mlx5_ib

  install mlx5_core /dev/null
  install mlx5_ib /dev/null

all found on different websites.

None of these entries helps. mlx5_core and mlx5_ib are still loaded and the system is flooded with error messages.

Cheers
frank


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