[Bug 644481] Re: 95-kpartx.rules uses invalid -Q argument to modprobe(8)

[Rolf Leggewie]

lucid has seen the end of its life and is no longer receiving any
updates. Marking the lucid task for this ticket as "Won't Fix".

** Changed in: multipath-tools (Ubuntu Lucid)
       Status: Triaged => Won't Fix

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Title:
  95-kpartx.rules uses invalid -Q argument to modprobe(8)

Status in multipath-tools package in Ubuntu:
  Fix Released
Status in multipath-tools source package in Lucid:
  Won't Fix
Status in multipath-tools source package in Maverick:
  Won't Fix

Bug description:
  Binary package hint: multipath-tools

  95-kpartx.rules calls modprobe(8) with the invalid -Q argument. I'm
  guessing it wants -q, for quiet?

  --
  # Always attempt to load dm-multipath. This way we can get rid of the
  # init script.
  ACTION=="add|change", SUBSYSTEM=="block", \
       RUN+="/sbin/modprobe -Qba dm-multipath"
  --

  udevd debug output:

  1285084979.983300 [15293] udev_rules_apply_to_event: RUN '/sbin/modprobe -Qba dm-multipath' /lib/udev/rules.d/95-kpartx.rul
  es:10
  1285084979.984021 [15293] util_run_program: '/sbin/modprobe -Qba dm-multipath' started
  1285084979.984499 [15293] util_run_program: '/sbin/modprobe' (stderr) '/sbin/modprobe: invalid option -- 'Q''
  1285084979.984516 [15293] util_run_program: '/sbin/modprobe' (stderr) 'Usage: /sbin/modprobe [-v] [-V] [-C config-file] [-d <dirname> ] [-n] [-i] [-q] [-b] [-o <modname>] [ --dump-modversions ] <modname> [parameters...]'
  1285084979.984522 [15293] util_run_program: '/sbin/modprobe' (stderr) '/sbin/modprobe -r [-n] [-i] [-v] <modulename> ...'
  1285084979.984524 [15293] util_run_program: '/sbin/modprobe' (stderr) '/sbin/modprobe -l -t <dirname> [ -a <modulename> ...]'
  1285084979.984578 [15293] util_run_program: '/sbin/modprobe -Qba dm-multipath' returned with exitcode 1

  SRU Justification:
  1. Impact: multipath fails because modprobe doesn't load the needed modules
  2. How bug addressed: the udev rule calling multipath is fixed to not use a wrong argument
  3. Patch: see comment #3
  4. Test case: dont' have dm-multipath in /etc/modules.  95-kpartx.rules won't load it.
  5. Regression potential: none.

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