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Old 02-24-2012, 01:47 PM
Dave Anderson
 
Default Compressed KDUMP core analysis support for PPC32 breaks PPC64 compressed kdump support

Unfortunately crash-6.0.3 does not work with ppc64 compressed kdumps
because of the recently-added support for the 32-bit ppc architecture:

- Implemented support for the analysis of 32-bit PPC compressed kdump
vmcores.
(suzuki@in.ibm.com)

It fails like so:

# crash vmlinux vmcore

crash 6.0.3
Copyright (C) 2002-2012 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: PPC64
vmcore: PPC

crash: vmcore: not a supported file format

Usage:

crash [OPTION]... NAMELIST MEMORY-IMAGE (dumpfile form)
crash [OPTION]... [NAMELIST] (live system form)

Enter "crash -h" for details.

#

It does not affect ELF core dumps.

I'll release crash-6.0.4 a bit sooner that I expected. Sorry for any
inconvenience this may have caused.

Dave

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