------- Comment From [email protected] 2018-02-27 06:10 EDT------- (In reply to comment #14) > After providing a reference to the requested debug symbols, awaiting > information as to whether this issue is reproducible with the latest Ubuntu > kernel.
Comment by Abdul, on LP1746088 On Ubuntu 1804 Bionic, with 4.15.0-10 kernel. crash analysis failed. I think the fixes are yet to pushed to bionic # crash /share/10.10.10.43-201802210423/dump.201802210423 /usr/lib/debug/boot/vmlinux-4.15.0-10-generic crash 7.2.0 Copyright (C) 2002-2017 Red Hat, Inc. Copyright (C) 2004, 2005, 2006, 2010 IBM Corporation Copyright (C) 1999-2006 Hewlett-Packard Co Copyright (C) 2005, 2006, 2011, 2012 Fujitsu Limited Copyright (C) 2006, 2007 VA Linux Systems Japan K.K. Copyright (C) 2005, 2011 NEC Corporation Copyright (C) 1999, 2002, 2007 Silicon Graphics, Inc. Copyright (C) 1999, 2000, 2001, 2002 Mission Critical Linux, Inc. This program is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Enter "help copying" to see the conditions. This program has absolutely no warranty. Enter "help warranty" for details. GNU gdb (GDB) 7.6 Copyright (C) 2013 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "powerpc64le-unknown-linux-gnu"... please wait... (gathering task table data) crash: cannot resolve "init_task_union" -- 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 : [email protected] Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
