xxd -g1 /boot/vmlinuz-4.4.0-31-generic | grep -C1 "1f 8b 08" 4500 ... 4510 ... echo 'ibase=16; 4501' | bc sudo dd bs=1 skip=17665 if=/boot/vmlinuz-4.4.0-31-generic of=/home/martin/vmlinux.gz xxd -g1 -l4 /home/martin/vmlinux.gz sudo gunzip /home/martin/vmlinux.gz sudo crash /home/martin/vmlinux
martin@ubuntu:~$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 14.04.5 LTS Release: 14.04 Codename: trusty martin@ubuntu:~$ uname -r 4.4.0-31-generic wget http://launchpadlibrarian.net/272688484/linux-image-4.4.0-31-generic-dbgsym_4.4.0-31.50_i386.ddeb sudo dpkg -i linux-image-4.4.0-31-generic-dbgsym_4.4.0-31.50_i386.ddeb after install debug symbol, still have error martin@ubuntu:~$ sudo crash ./vmlinux crash 7.0.3 Copyright (C) 2002-2013 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. crash: ./vmlinux: no .gnu_debuglink section crash: ./vmlinux: no debugging data available -- -- You received this message because you are subscribed to the Linux Users Group. To post a message, send email to [email protected] To unsubscribe, send email to [email protected] For more options, visit our group at http://groups.google.com/group/linuxusersgroup References can be found at: http://goo.gl/anqri Please remember to abide by our list rules (http://tinyurl.com/LUG-Rules) --- You received this message because you are subscribed to the Google Groups "Linux Users Group" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
