[Bug 2064201] Re: Use Debian-specific partx path in kpartx rule

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** Tags added: patch

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https://bugs.launchpad.net/bugs/2064201

Title:
  Use Debian-specific partx path in kpartx rule

Status in multipath-tools package in Ubuntu:
  New
Status in multipath-tools source package in Bionic:
  In Progress
Status in multipath-tools source package in Focal:
  In Progress

Bug description:
  [Impact]
  The issue arises from the installation of the udev rules file /lib/udev/rules.d/68-del-part-nodes.rules by kpartx.
  This file references /usr/sbin/partx, but on Debian, partx is located in /usr/bin.
  This incorrect path leads to the following error:
  systemd-udevd[3302364]: sdrg: Process '/usr/sbin/partx -d --nr 1-1024 /dev/sdrg' failed with exit code 1.

  [Fix]
  The upstream has a patched fix available.
  https://salsa.debian.org/linux-blocks-team/multipath-tools/-/blob/master/debian/patches/0003-kpartx-rules-use-Debian-specific-partx-path.patch?ref_type=heads

  [Test Plan]
  1. Verify the udev file located at /lib/udev/rules.d/68-del-part-nodes.rules.
  2. Ensure that the path for partx matches the output of the "which partx" command.

  [Where problems could occur]
  The patch specifically targets a single udev rule responsible for deleting partition devnodes for slave devices associated with specific aggregate devices, like multipath. This modification solely adjusts the path of the partx command. If the path is incorrect, the devnode will persist.

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