[Bug 1318317] Re: openipmi startup script removes kernel modules

[Nish Aravamudan]

On Mar 9, 2016 19:15, "Jeremy Kerr" <jk at ozlabs.org> wrote:
>
> @Nish: I tested against 14.04. We can take a look at 16.04 too, if you
> like.

That'd be great, as we need to get it into 16.04 before we can get it into
14.04.

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Title:
  openipmi startup script removes kernel modules

Status in openipmi package in Ubuntu:
  Confirmed

Bug description:
  I need some IPMI kernel modules, so I load them during startup. This
  worked quite well until I upgraded to Ubuntu 14.04.

  As you can see I have the modules in /etc/modules:

  # grep ipmi /etc/modules
  ipmi_watchdog
  ipmi_devintf
  ipmi_poweroff
  ipmi_si

  Right after reboot, the modules are there:

  # lsmod |grep -i ipm
  ipmi_si                53257  2
  ipmi_poweroff          14366  0
  ipmi_devintf           17572  0
  ipmi_watchdog          24912  0

  but disappear after a few seconds/minute. I found out, that the cause
  is the /etc/init.d/openipmi script. The behaviour of the script is
  quite strange because a stop/start will behave differently then a
  restart.

  I loaded the modules manually using modprobe:
  ipmi_si                53257  2
  ipmi_poweroff          14366  0
  ipmi_devintf           17572  0
  ipmi_watchdog          24912  0

  when I execute:
  # service openipmi stop

  the module ipmi_devintf gets removed:

  ipmi_si                53257  2
  ipmi_poweroff          14366  0
  ipmi_watchdog          24912  0

  starting the service again with:

  # service openipmi start

  will remove ALL IPMI kernel modules:

  # lsmod |grep -i ipm
  #

  One of the reasons seems to be the module ipmi_msghandler. This is
  already integrated and causes some of the problems.

  When I remove it from /etc/init.d/openipmi like this:

  65,66c65
  < #MODULES_BASE="ipmi_msghandler"
  < MODULES_BASE=""
  ---
  > MODULES_BASE="ipmi_msghandler"
  325,326c324,325
  < #	modprobe ipmi_msghandler > /dev/null 2>&1
  < #	modules_loaded ipmi_msghandler
  ---
  > 	modprobe ipmi_msghandler > /dev/null 2>&1
  > 	modules_loaded ipmi_msghandler

  stoping and starting the service works again. But restarting the
  service will still remove all modules and will not load them anymore.

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