[Crash-utility] crash tool not working

Adil Mujeeb mujeeb.adil at gmail.com
Thu Feb 9 06:29:21 UTC 2012


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.

>
> And lastly, although you may get some responses, this is not the list
> for
> kdump-related questions.  That is found here:
>
>  http://lists.infradead.org/mailman/listinfo/kexec

Thank. I will ask the list for my kexec/kdump queries.

Thanks,
Adil
>
> Dave Anderson




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