[Crash-utility] how to generate xen hypervisor core though kdump or other way?

Daniel Kiper daniel.kiper at oracle.com
Fri Oct 5 08:37:37 UTC 2012


Hi,

> 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.
>
> crash: vmlinux-3.0.13-0.27-xen.gz: original filename unknown
> Use "-f vmlinux-3.0.13-0.27-xen.gz" on command line to prevent this message.
>
> 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"...
>
> KERNEL: vmlinux-3.0.13-0.27-xen.gz
> DEBUGINFO: ../lib/debug/boot/vmlinux-3.0.13-0.27-xen.debug
> DUMPFILE: /mnt/winimg/crash/2012-09-30-19:03/vmcore
> CPUS: 2
> DATE: Sun Sep 30 19:02:52 2012
> UPTIME: 07:45:24
> LOAD AVERAGE: 0.32, 0.23, 0.14
> TASKS: 207
> NODENAME: HjCloud
> RELEASE: 3.0.13-0.27-xen
> VERSION: #1 SMP Wed Feb 15 13:33:49 UTC 2012 (d73692b)
> MACHINE: x86_64 (2793 Mhz)
> MEMORY: 3.6 GB
> PANIC: "[27924.896523] Oops: 0002 [#1] SMP " (check log for details)
> PID: 7450
> COMMAND: "bash"
> TASK: ffff8800cfbf61c0 [THREAD_INFO: ffff8800cba86000]
> CPU: 1
> STATE: TASK_RUNNING (PANIC)

[...]

One more question. What is the size of crash dump file?
Is it almost equal to:
  <machine_memory_size> - <memory_reserved_for_crash_kernel>

Daniel




More information about the Crash-utility mailing list