After providing a reference to the requested debug symbols, awaiting information as to whether this issue is reproducible with the latest Ubuntu kernel.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. 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? To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-power-systems/+bug/1744791/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp