Bug 463523

=Comment: #0=================================================
Pavan Naregundi <pavan.naregundi@in.ibm.com> - 
While analysing vmcore in opensuse 11.1 Final, ppc64 crash gives error as shown below
=====================
# crash -d 1 vmlinux-2.6.27.7-9-ppc64 vmlinux-2.6.27.7-9-ppc64.debug vmcore 

crash 4.0-7.4
Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008  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.
 
WARNING: machine type mismatch:
         crash utility: PPC
         vmlinux-2.6.27.7-9-ppc64: PPC64


NOTE: You might want to try the 'crosscrash' tool which is
      distributed in the 'crosscrash' package on SUSE Linux.

crash: vmlinux-2.6.27.7-9-ppc64: not a xen ELF core file
crash: diskdump / compressed kdump: dump does not have panic dump header
crash: vmlinux-2.6.27.7-9-ppc64: not a supported file format

Usage:
  crash [-h [opt]][-v][-s][-i file][-d num] [-S] [mapfile] [namelist] [dumpfile]

Enter "crash -h" for details
========================

As mentioned in 'NOTE' of above message used "crosscrash" to produce the following error 
========================

# crosscrash -d 1 vmlinux-2.6.27.7-9-ppc64 vmlinux-2.6.27.7-9-ppc64.debug vmcore 

crosscrash 4.0-7.4
Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008  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.
 
compressed kdump: header->utsname.machine: 
Retrying with different block size: 0

crosscrash: diskdump / compressed kdump: cannot malloc block_size buffer 
========================

Error in crash tool seems like 64 bit compatibility issue of the 32bit crash tool
# file /usr/bin/crash
/usr/bin/crash: ELF 32-bit MSB executable, PowerPC or cisco 4500, version 1 (SYSV), for GNU/Linux
2.6.4, dynamically linked (uses shared libs), stripped

# uname -a
Linux llm62 2.6.27.7-9-ppc64 #1 SMP 2008-12-04 18:10:04 +0100 ppc64 ppc64 ppc64 GNU/Linux

# rpm -qf /usr/bin/crash
crash-4.0.7.4-8.3

CPU type: power 6