Hello Patrick, On Mon, Jun 15, 2020 at 12:28 PM Agrain Patrick <patrick.agrain@xxxxxxxxxxxxxxxxx> wrote: > > Hello, > > > > I tried to test the crash utility from CentOS 8 with following requirements: > > First machine (VMware) on which CentOS 8 is installed and on which I performed a fake crash using SysRq. After reboot, The /var/crash was populated with the vmcore. > Second machine (Server) on which CentOS 8 is also installed and on which I wish to analyze the crash. > > > > Both machine have the same CentOS build installed. > > I imported System.map-4.18.0-147.el8.x86_64, vmcore and vmlinux.debuginfo from first machine to a directory on the second machine. > > When I run ‘crash’, I have following messages (see below), but no ‘crash>’ prompt. > > > > What have I missed ? What Should I check ? > > > > Thanks. > > Best regards, > > Patrick Agrain > > > > [root@lxkmg-pag-ale test64]# /usr/bin/crash System.map-4.18.0-147.el8.x86_64 vmlinux.debuginfo vmcore > > > > crash 7.2.6-2.el8 > > Copyright (C) 2002-2019 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 "x86_64-unknown-linux-gnu"... > > > > please wait... (patching 92149 gdb minimal_symbol values) [Vanished after a few seconds] > > > > [root@lxkmg-pag-ale test64]# Can you please increase the verbosity level by specifying the -d parameter while invoking the crash command? >From CRASH(8) man page: -d num: Set the internal debug level. The higher the number, the more debugging data will be printed when crash initializes and runs. I normally would run crash with -d 15 to get verbose logs (but not too verbose to overwhelm the console :)). Can you please share the output with the same? Thanks, Bhupesh -- Crash-utility mailing list Crash-utility@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/crash-utility