I have a dump from RHEL 6.2 with all these masks set to all f's, so obviously crash excludes them.
crash: page excluded: kernel virtual address: ffffffffffffffff type: "possible"
WARNING: cannot read cpu_possible_map
crash: page excluded: kernel virtual address: ffffffffffffffff type: "present"
WARNING: cannot read cpu_present_map
crash: page excluded: kernel virtual address: ffffffffffffffff type: "online"
WARNING: cannot read cpu_online_map
typedef struct cpumask { DECLARE_BITMAP(bits, NR_CPUS); } cpumask_t;
#ifndef CONFIG_DISABLE_OBSOLETE_CPUMASK_FUNCTIONS
/* These strip const, as traditionally they weren't const. */
#define cpu_possible_map (*(cpumask_t *)cpu_possible_mask)
#define cpu_online_map (*(cpumask_t *)cpu_online_mask)
#define cpu_present_map (*(cpumask_t *)cpu_present_mask)
#define cpu_active_map (*(cpumask_t *)cpu_active_mask)
Are these deprecated now and is that why they are fixed at all f's.
[root@centos62 crash]# crash System.map vmlinux va102.2012-06-14.vmcore
crash 6.0.7
Copyright (C) 2002-2012 Red Hat, Inc.
Copyright (C) 2004, 2005, 2006, 2010 IBM Corporation
Copyright (C) 1999-2006 Hewlett-Packard Co
Copyright (C) 2005, 2006, 2011, 2012 Fujitsu Limited
Copyright (C) 2006, 2007 VA Linux Systems Japan K.K.
Copyright (C) 2005, 2011 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) 7.3.1
Copyright (C) 2011 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: page excluded: kernel virtual address: ffffffffffffffff type: "possible"
WARNING: cannot read cpu_possible_map
crash: page excluded: kernel virtual address: ffffffffffffffff type: "present"
WARNING: cannot read cpu_present_map
crash: page excluded: kernel virtual address: ffffffffffffffff type: "online"
WARNING: cannot read cpu_online_map
crash: page excluded: kernel virtual address: ffffffffffffffff type: "cpu_present_map"
crash: page excluded: kernel virtual address: ffffffffffffffff type: "cpu_present_map"
crash: page excluded: kernel virtual address: ffffffffffffffff type: "cpu_online_map"
SYSTEM MAP: System.map
DEBUG KERNEL: vmlinux (2.6.32-220.7.1.el6)
DUMPFILE: va102.2012-06-14.vmcore [PARTIAL DUMP]
CPUS: 32
DATE: Thu Jun 14 05:24:17 2012
UPTIME: 11:13:23
LOAD AVERAGE: 215.00, 196.78, 135.81
TASKS: 1778
NODENAME: va1splunkindex02.va1.swtor.int
RELEASE: 2.6.32-220.7.1.el6.x86_64
VERSION: #1 SMP Tue Mar 6 13:54:51 EST 2012
MACHINE: x86_64 (2799 Mhz)
MEMORY: 48 GB
PANIC: "Oops: 0002 [#1] SMP " (check log for details)
PID: 2428
COMMAND: "bash"
TASK: ffff88063874ab40 [THREAD_INFO: ffff8806dcd1a000]
CPU: 0
STATE: TASK_RUNNING (PANIC)
Thanks
Laurence
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