[Bug 1696710] Re: Ubuntu 16.04.02: depmod: WARNING: <module-path> needs unknown symbol .TOC.

[Łukasz Zemczak]

Hello bugproxy, or anyone else affected,

Accepted kmod into trusty-proposed. The package will build now and be
available at https://launchpad.net/ubuntu/+source/kmod/15-0ubuntu7 in a
few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested and change the tag from
verification-needed-trusty to verification-done-trusty. If it does not
fix the bug for you, please add a comment stating that, and change the
tag to verification-failed-trusty. In either case, without details of
your testing we will not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

** Changed in: kmod (Ubuntu Trusty)
       Status: In Progress => Fix Committed

** Tags added: verification-needed verification-needed-trusty

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https://bugs.launchpad.net/bugs/1696710

Title:
  Ubuntu 16.04.02: depmod: WARNING: <module-path> needs unknown symbol
  .TOC.

Status in The Ubuntu-power-systems project:
  Fix Released
Status in kmod package in Ubuntu:
  Fix Released
Status in kmod source package in Trusty:
  Fix Committed
Status in kmod source package in Xenial:
  Fix Released

Bug description:
  == Comment: #0 - Douglas Miller <dougmill at us.ibm.com> - 2017-01-24 07:59:54 ==
  ---Problem Description---
  depmod does not handle .TOC symbol on powerpc platforms
   
  Contact Information = Douglas Miller <dougmill at linux.vnet.ibm.com> 
   
  ---uname output---
  Linux p8le03 4.4.0-38-generic #57-Ubuntu SMP Tue Sep 6 15:40:06 UTC 2016 ppc64le ppc64le ppc64le GNU/Linux
   
  Machine Type = other 
   
  ---Debugger---
  A debugger is not configured
   
  ---Steps to Reproduce---
   Compile kernel, during modules_install target the messages appear. PPC64 modules have a .TOC symbol which is required. It may be the only symbol with a period in the name, and so tools that restrict symbols based on a pattern may neglect to include .TOC.
   
  Userspace tool common name: depmod 
   
  The userspace tool has the following bit modes: 64 

  Userspace rpm: libkmod2:ppc64el

  Userspace tool obtained from project website:  na 
   
  *Additional Instructions for Douglas Miller <dougmill at linux.vnet.ibm.com>:
  -Attach ltrace and strace of userspace application.

  == Comment: #3 - Douglas Miller <dougmill at us.ibm.com> - 2017-01-24 08:12:58 ==
  kmod package:

  # dpkg --list |grep kmod
  ii  kmod                                           22-1ubuntu4                         ppc64el      tools for managing Linux kernel modules
  ii  libkmod2:ppc64el                               22-1ubuntu4                         ppc64el      libkmod shared library

  == Comment: #7 - Douglas Miller <dougmill at us.ibm.com> - 2017-06-07 16:20:38 ==
   I was doing a build of upstream origin/master on Ubuntu 16.04.2 fresh install and still getting these messages. In the "make modules_install" output I see:

  ...
    DEPMOD  4.12.0-rc4
  depmod: WARNING: /lib/modules/4.12.0-rc4/kernel/arch/powerpc/kernel/rtas_flash.ko needs unknown symb
  ol .TOC.
  ...

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