------- Comment From naveed...@in.ibm.com 2018-02-27 08:46 EDT-------
(In reply to comment #20)
> On 27 February 2018 at 12:50, bugproxy <bugpr...@us.ibm.com> wrote:
> > since 4.15.0-11-generic is released, can we get dbgsym for 
> > linux-image-4.15.0-11-generic-dbgsym_4.15.0-11.xx_ppc64el.ddeb ?
>
> This question is odd. How do you normally "get dbgsym" packages and
> install them?
>
> Have you followed the instructions at
> https://wiki.ubuntu.com/Debug%20Symbol%20Packages to enable the debug
> symbols repository, and thus have all -dbgsym packages available for
> installation with "apt install" for any package in Ubuntu?
>
> --
> Regards,
>
> Dimitri.

Excellent,
we were referring to https://wiki.ubuntu.com/Kernel/CrashdumpRecipe
which has obsolete keys?
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys ECDCAD72428D7C0 ??

With https://wiki.ubuntu.com/Debug%20Symbol%20Packages we are able to
install linux-image-4.15.0-11-generic-dbgsym ppc64el 4.15.0-11.12

With regards,
Naveed

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https://bugs.launchpad.net/bugs/1744791

Title:
  [Ubuntu18.04] linux-image-4.13.0-25-generic-dbgsym is not available in
  repo which is required for crash analysis of vmcore

Status in The Ubuntu-power-systems project:
  In Progress
Status in linux package in Ubuntu:
  In Progress

Bug description:
  ---Problem Description---
  No debug kernel deb packages available for 4.13.0-25-generic kernel [Ubuntu 
18.04 ]
  Unable to analyze vmcore generated via crash. 
    
  ---uname output---
  Linux spoon2 4.13.0-25-generic #29-Ubuntu SMP Mon Jan 8 21:15:55 UTC 2018 
ppc64le ppc64le ppc64le GNU/Linux
   
  Machine Type = 8335-GTC 
   
  ---Steps to Reproduce---
  Install 18.04 ppc64el
  upgrade kernel to 4.13.0-25-generic or 4.13.0-17-generic
  try configuring debug repo
  https://wiki.ubuntu.com/Kernel/CrashdumpRecipe
  http://ddebs.ubuntu.com/pool/main/l/linux/
  sudo tee /etc/apt/sources.list.d/ddebs.list << EOF
  deb http://ddebs.ubuntu.com/ $(lsb_release -cs)          main restricted 
universe multiverse
  deb http://ddebs.ubuntu.com/ $(lsb_release -cs)-security main restricted 
universe multiverse
  deb http://ddebs.ubuntu.com/ $(lsb_release -cs)-updates  main restricted 
universe multiverse
  deb http://ddebs.ubuntu.com/ $(lsb_release -cs)-proposed main restricted 
universe multiverse
  EOF

  sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys ECDCAD72428D7C01
  sudo apt-get update
  sudo apt-get install linux-image-$(uname -r)-dbgsym

  Warning /!\ Be aware that those packages are huge! (~600 MB)

  When installed, the debug kernel can be found under
  /usr/lib/debug/boot/ and crash is started by:

  crash <debug kernel> <crash dump>

  Crash command to analyze vmcore will not work as kernel debuginfo deb package 
is not found in repo . 
  root@spoon2:~# sudo apt-get install linux-image-$(uname -r)-dbgsym
  Reading package lists... Done
  Building dependency tree       
  Reading state information... Done
  E: Unable to locate package linux-image-4.13.0-25-generic-dbgsym
  E: Couldn't find any package by glob 'linux-image-4.13.0-25-generic-dbgsym'
  E: Couldn't find any package by regex 'linux-image-4.13.0-25-generic-dbgsym'
  root@spoon2:~# 
   
  I was also not able to find this debug symbol for 18.04 kernel. I understand 
that the current 18.04 kernel is old and was removed from the archive. Is it 
correct?

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