Hi Dave, > No, that's really not true. crash-5.0.1 is two years old, which is ancient > by crash standards. And it's very easy to upgrade: > > $ wget http://people.redhat.com/anderson/crash-6.0.3.tar.gz > ... > $ cd crash-6.0.3 > $ make > ... > $ I tried but at the end build failed: ----------------------- cc -c -g -DX86_64 -DGDB_7_3_1 -g -O2 main.c In file included from main.c:18: defs.h:43:18: error: zlib.h: No such file or directory ----------------------- Any idea which package it needed to get the zlib.h Thanks for your help. Regards, Adil On Thu, Feb 9, 2012 at 8:16 PM, Dave Anderson <anderson@xxxxxxxxxx> wrote: > > > ----- Original Message ----- >> Hi, >> >> > >> > Well, that's your first mistake... >> > >> >> Thanks for pointing it out :) >> .. >> [snip] >> .. >> > Like the error message indicates, the vmlinuz-2.6.32.12-crash-crash >> > file is not a supported file format. Never has been, never will >> > be... >> > >> >> I tried with vmlinux and it seems ok. But got another error >> hltncra110731:/home/adil # crash linux-2.6.32.12-0.7/vmlinux >> /var/crash/2012-02-08-14\:13/vmcore >> >> -------------------- >> crash 5.0.1 >> Copyright (C) 2002-2010 Red Hat, Inc. >> Copyright (C) 2004, 2005, 2006 IBM Corporation >> Copyright (C) 1999-2006 Hewlett-Packard Co >> Copyright (C) 2005, 2006 Fujitsu Limited >> Copyright (C) 2006, 2007 VA Linux Systems Japan K.K. >> Copyright (C) 2005 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) 7.0 >> Copyright (C) 2009 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"... >> >> crash: seek error: kernel virtual address: ffffffff81827aa0 type: "kernel_config_data" >> WARNING: cannot read kernel_config_data >> crash: seek error: kernel virtual address: ffffffff8181a660 type: "cpu_possible_mask" >> hltncra110731:/home/adil # >> ---------------------------------- >> >> >> > Also, do yourself a favor, and upgrade your crash utility version >> > from crash-5.0.1, which is two years old. >> >> I am using for learning purpose. So i guess this version should be Ok >> to use for learning purpose. > > No, that's really not true. crash-5.0.1 is two years old, which is ancient > by crash standards. And it's very easy to upgrade: > > $ wget http://people.redhat.com/anderson/crash-6.0.3.tar.gz > ... > $ cd crash-6.0.3 > $ make > ... > $ > > As far as the "seek errors" you're seeing, I don't know what's happening, > other than crash can't find the physical address page associated with those > unity-mapped kernel virtual addresses in the vmcore. But I'm sorry -- I don't > spend time debugging issues encountered with obsolete crash versions. If you > can upgrade, and then post the output of: > > $ crash -d8 linux-2.6.32.12-0.7/vmlinux /var/crash/2012-02-08-14\:13/vmcore > > there will be a plethora of debug output that can help determine the > problem. > > Dave -- Crash-utility mailing list Crash-utility@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/crash-utility
