How do we pass module options to modules that dracut loads during boot time? RHEL 6

Solution Verified - Updated -

Issue

  • How do we pass module options to modules that dracut loads during boot time?

  • For example in /etc/modprobe.d/libmlx4.conf we have added the option:

    options mlx4_core log_mtts_per_seg=5
    
  • When dracut brings up ib0, and loads the mlx4_core module, it does not yet see this option.

  • I don't see anything obvious in dracut man page on where to put a file like modprobe.conf to put these types of things.
  • We often set module options for network cards to not  do tcp offloading and things like that so I am looking for the generic  way to do this properly within dracut.

Environment

  • Red Hat Enterprise Linux 6 NFS Root

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