Ming Zhang wrote: > On Tue, 2007-03-27 at 10:17 -0500, Dave Anderson wrote: > > Ming Zhang wrote: > > > Hi All > > > > > > My laptop has 64bit fc6 and crash utility. One of the development > > > machine is 32bit RHEL4. whenever i try to open the dump generated > > > by > > > that box, I got a unknown format error. i can analyze the dump with > > > the > > > crash from that RHEL4, and also my laptop can analyze the dump from > > > another 64bit RHEL4. > > > > > > so my question is how to allow the crash in a 64bit box to open a > > > dump > > > from a 32bit box? > > > > > > Thanks! > > > > > > Ming > > > > > > > > > > > Try copying a 32-bit crash utility to the 64-bit laptop, > > and running it from there. > > i thought about this. could u enlighten us why single crash cannot do > that? implementation limitation or more deeper reason? > Most definitely an implementation limitation. The source only builds in the machine-specific source code based upon the host machine type. > > > > > Here's an example: > > > > # uname -m > > x86_64 > > # file ./crash > > ./crash: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), for > > GNU/Linux 2.2.5, dynamically linked (uses shared libs), not stripped > > # ./crash /tmp/vm* > > > > crash 4.0-3.21 > > Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007 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 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 6.1 > > Copyright 2004 Free Software Foundation, Inc. > > GDB 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. > > Type "show copying" to see the conditions. > > There is absolutely no warranty for GDB. Type "show warranty" for > > details. > > This GDB was configured as "i686-pc-linux-gnu"... > > > > KERNEL: /tmp/vmlinux > > DEBUG KERNEL: /tmp/vmlinux-2.4.21-1.1931.2.421.ent.debug > > DUMPFILE: /tmp/vmcore > > CPUS: 1 > > DATE: Tue Sep 9 18:02:05 2003 > > UPTIME: 05:04:13 > > LOAD AVERAGE: 9.96, 10.56, 10.89 > > TASKS: 72 > > NODENAME: moe.lab.boston.redhat.com > > RELEASE: 2.4.21pre1 > > VERSION: #3 Tue Sep 9 14:13:17 EDT 2003 > > MACHINE: i686 (501 Mhz) > > MEMORY: 128 MB > > PANIC: "Oops: 0002" (check log for details) > > PID: 3701 > > COMMAND: "sh" > > TASK: c791c000 > > CPU: 0 > > STATE: TASK_RUNNING (PANIC) > > > > crash> > > > > Dave > > -- Crash-utility mailing list Crash-utility@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/crash-utility
