[Crash-utility] [help]crash can't anaylyse xen guest paravirtulized linux vmcore

[Dave Anderson]

----- Original Message -----
> 
> 
> xen guest linux : paravirtulized
> 
> Vsles11-1:/usr/src/linux # grep CONFIG_DEBUG_INFO .config -n
> 4574:CONFIG_DEBUG_INFO=y
> Vsles11-1:/usr/src/linux # ls
> ..tmp_kallsyms1.o.cmd .tmp_System.map .version Makefile crypto kernel
> scripts
> ..tmp_kallsyms2.o.cmd .tmp_kallsyms1.S .vmlinux.cmd Module.symvers
> drivers lib security
> ..tmp_vmlinux1.cmd .tmp_kallsyms1.o .vmlinux.o.cmd README firmware mm
> sound
> ..tmp_vmlinux2.cmd .tmp_kallsyms2.S COPYING README.SUSE fs
> modules.builtin tools
> .config .tmp_kallsyms2.o CREDITS REPORTING-BUGS include modules.order
> usr
> .config.old .tmp_versions Documentation System.map init net virt
> .mailmap .tmp_vmlinux1 Kbuild arch ipc perfmon vmlinux
> .missing-syscalls.d .tmp_vmlinux2 MAINTAINERS block kdb samples
> vmlinux.o
> Vsles11-1:/usr/src/linux #
> 
> SLES11:/etc/xen # xm dump-core 4 /opt/sles11_1.mem
> Dumping core of domain: 4 ...
> 
> SLES11:/etc/xen # cd /opt/
> SLES11:/opt # ls
> .Trash-0 centos_guest huawei kdump linux-3.0 novell sles11_1.mem
> sys_use user xen_study
> 10-17-12:52 gnome job kernel lost+found openoffice.org sles11_ana
> tar_rpm vmlinux
> Life hardware kde3 kvm network openoffice.org3 sles11_guest tencent
> winxp_guest
> 
> 
> SLES11:/opt # crash vmlinux sles11_1.mem
> 
> crash 4.0-7.6
> 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.
> 
> 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 "x86_64-unknown-linux-gnu"...
> 
> 
> crash: cannot resolve "end_pfn"
> 
> use lastest crash version:
> SLES11:/opt/tar_rpm/crash-5.1.9 # ./crash /opt/vmlinux
> /opt/sles11_1.mem
> 
> crash 5.1.9
> Copyright (C) 2002-2011 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: cannot find mfn 0 (0x0) in page index
> 
> crash: cannot read/find pte page
> --

Using the latest version of crash, what is the output of:

 $ crash -d8 vmlinux sles11_1.mem

It's going to quite verbose -- you probably want to save it as a file
like this:

 $ crash -d8 vmlinux sles11_1.mem > /tmp/output

and then attach it to the mail message. 

Dave