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[Launchpad Bug Tracker <1261116@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package dkms - 2.2.0.3-1ubuntu3.2

---------------
dkms (2.2.0.3-1ubuntu3.2) precise-proposed; urgency=low

  * Backport from trunk: Add patch that fixes have_one_kernel for non-
    zero return code. (LP: #1261116)
 -- Antonius Riha <antoniusriha@xxxxxxxxx>   Sat, 21 Dec 2013 10:15:29 +0100

** Changed in: dkms (Ubuntu Precise)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1261116

Title:
  dkms uninstall fails unexpectedly without error message

Status in “dkms” package in Ubuntu:
  Fix Released
Status in “dkms” source package in Precise:
  Fix Released
Status in “dkms” source package in Quantal:
  Won't Fix
Status in “dkms” source package in Raring:
  New
Status in “dkms” source package in Saucy:
  New
Status in “dkms” source package in Trusty:
  Fix Released
Status in “dkms” package in Debian:
  New

Bug description:
  [Impact]
  This bug makes it impossible to uninstall DKMS modules. When trying to uninstall a DKMS module using "dkms uninstall -m my_module -v 1.1" dkms fails with exit code 1 and doesn't print an error message.

  The commands
  "dkms uninstall -m my_module -v 1.1 --all"
  and
  "dkms uninstall -m my_module -v 1.1 -k 3.2.0-57 -k 3.5.0-44"
  fail as expected with the resp. error messages and exit codes in function "have_one_kernel".

  The proposed patch is a backport from upstream.

  [Test Case]
  A test script has been added in comment https://bugs.launchpad.net/debian/+source/dkms/+bug/1261116/comments/8.

  To reproduce the bug:
  1. Take any dkms package.
  2. Copy the package into the dkms src folder /usr/src/<package_name>-<package_version>.
     <package_name> and <package_version> can be found in dkms.conf in the package.
  3. Add the dkms module:
     dkms add -m <package_name> -v <package_version>
  4. Build the dkms module:
     dkms build -m <package_name> -v <package_version>
  5. Install the dkms module:
     dkms install -m <package_name> -v <package_version>
  6. Try to uninstall the dkms module:
     dkms uninstall -m <package_name> -v <package_version>
     Here, dkms fails with exit code 1 and without emitting an error message.

  [Regression Potential]
  All client code that uses the "dkms uninstall" command and relies on it failing is a candidate for regression.

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