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[Bug 1777600] Re: chzdev can't find modprobe

To: group.of.nepali.translators@xxxxxxxxxxxxxxxxxxx
From: Launchpad Bug Tracker <1777600@xxxxxxxxxxxxxxxxxx>
Date: Tue, 30 Oct 2018 15:57:59 -0000
Reply-to: Bug 1777600 <1777600@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

This bug was fixed in the package s390-tools - 2.3.0-0ubuntu3.1

---------------
s390-tools (2.3.0-0ubuntu3.1) bionic; urgency=medium

  * zdev: Adjust zdev modprobe path to be compatible with split-usr
    systems. (LP: #1777600)
  * zdev: Trigger generic_ccw devices on any kernel module loads. (LP:
    #1794308)

 -- Dimitri John Ledkov <xnox@xxxxxxxxxx>  Mon, 22 Oct 2018 12:37:39
+0100

** Changed in: s390-tools (Ubuntu Bionic)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1777600

Title:
  chzdev can't find modprobe

Status in Ubuntu on IBM z Systems:
  Fix Committed
Status in linux package in Ubuntu:
  Invalid
Status in s390-tools package in Ubuntu:
  Fix Released
Status in s390-tools source package in Xenial:
  Fix Released
Status in s390-tools source package in Bionic:
  Fix Released
Status in s390-tools source package in Cosmic:
  Fix Released

Bug description:
  [Impact]

   * chzdev fails to load additional kernel modules at runtime,
  resulting in failure to activate devices.

  [Test Case]

   $ chzdev zfcp --type datarouter=0 dbflevel=5

  Should succeed, instead of erroring out / not able to find modprobe.

  [Regression Potential]

   * This corrects compiled-in path to /sbin/modprobe, thus making
  available previously a broken codepath of chzdev.

  [Other Info]
   
   * Original bug report

  Description:  only when trying to change some attributes chzdev fails
  because it cant find modprobe under Ubuntu 18.04

                root@m83lp09:~# chzdev zfcp --type datarouter=0 dbflevel=5
                sh: 1: /usr/sbin/modprobe: not found
                zfcp device type configure failed
                    Error: Command failed (exit code 127): /usr/sbin/modprobe -r zfcp

                root@m83lp09:~# whereis modprobe
                modprobe: /sbin/modprobe /etc/modprobe.d /lib/modprobe.d /usr/share/man/man8/modprobe.8.gz

  Potential solution ? : adding a symlink is a workaround, is this path
  hardcoded?

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