[root@llm11 proc]# ls -l vmcore
-r--------  1 root root 3849938296 Jul  4 14:41 vmcore
[root@llm11 proc]# crash /home/murali/linux-2.6.17.2/System.map /home/murali/linux-2.6.17.2/vmlinux vmcore

crash 4.0-2.24
Copyright (C) 2002, 2003, 2004, 2005, 2006  Red Hat, Inc.
Copyright (C) 2004, 2005, 2006  IBM Corporation
Copyright (C) 1999-2006  Hewlett-Packard Co
Copyright (C) 2005  Fujitsu Limited
Copyright (C) 2005  NEC Corporation
Copyright (C) 1999, 2002  Silicon Graphics, Inc.
Copyright (C) 1999, 2000, 2001, 2002  Mission Critical Linux, Inc.
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please wait... (gathering module symbol data)WARNING: cannot access module kallsyms
  SYSTEM MAP: /home/murali/linux-2.6.17.2/System.map
DEBUG KERNEL: /home/murali/linux-2.6.17.2/vmlinux (2.6.17.2)
    DUMPFILE: vmcore
        CPUS: 8
        DATE: Tue Jul  4 14:39:11 2006
      UPTIME: 00:02:04
LOAD AVERAGE: 0.48, 0.24, 0.09
       TASKS: 159
    NODENAME: llm11.in.ibm.com
     RELEASE: 2.6.17.2
     VERSION: #9 SMP PREEMPT Mon Jul 3 17:59:41 IST 2006
     MACHINE: i686  (2489 Mhz)
      MEMORY: 4.6 GB
       PANIC: "kernel BUG at drivers/dtt/khdtt.c:308!"
         PID: 0
     COMMAND: "swapper"
        TASK: c8855030  (1 of 8)  [THREAD_INFO: f7f02000]
         CPU: 2
       STATE: TASK_RUNNING (PANIC)

crash> bt
PID: 0      TASK: c8855030  CPU: 2   COMMAND: "swapper"
 #0 [f7f03d88] crash_kexec at c0142ced
 #1 [f7f03ddc] die at c010455a
 #2 [f7f03e20] do_invalid_op at c01049a1
 #3 [f7f03ee8] error_code (via invalid_op) at c0103c35
    EAX: 0000000c  EBX: c8737180  ECX: c050cb54  EDX: 00000001  EBP: c05de2c0
    DS:  007b      ESI: 00000000  ES:  007b      EDI: c05dfda0
    CS:  0060      EIP: c03c45ae  ERR: ffffffff  EFLAGS: 00010282
 #4 [f7f03f1c] cpoint_default_exit at c03c45ae
 #5 [f7f03f24] INT_TASKLET_ENTRY_hook at c0126cab
 #6 [f7f03f3c] __do_softirq at c0126785
 #7 [f7f03f5c] do_softirq at c012685e
 #8 [f7f03f68] irq_exit at c012694f
 #9 [f7f03f70] apic_timer_interrupt at c0103b67
#10 [f7f03fa8] cpu_idle at c0100e40
crash> bt -a
PID: 0      TASK: c050a540  CPU: 0   COMMAND: "swapper"
 #0 [c059ff2c] crash_nmi_callback at c0113f0c
 #1 [c059ff84] do_nmi at c010533d
 #2 [c059ff94] nmi at c0103cd9
    EAX: 00000000  EBX: c0100d70  ECX: 00000001  EDX: c059e000  EBP: c05de2c0
    DS:  007b      ESI: c05de2a0  ES:  007b      EDI: c059e000
    CS:  0060      EIP: c0100d9e  ERR: 00000000  EFLAGS: 00000246
 #3 [c059ffc8] default_idle at c0100d9e
 #4 [c059ffcc] cpu_idle at c0100e40

PID: 0      TASK: c8855550  CPU: 1   COMMAND: "swapper"
 #0 [c8863f08] crash_nmi_callback at c0113f0c
 #1 [c8863f60] do_nmi at c010533d
 #2 [c8863f70] nmi at c0103cd9
    EAX: 00000000  EBX: c0100d70  ECX: 00000001  EDX: c8862000  EBP: c05de2c0
    DS:  007b      ESI: c05de2a0  ES:  007b      EDI: c8862000
    CS:  0060      EIP: c0100d9e  ERR: 00000000  EFLAGS: 00000246
 #3 [c8863fa4] default_idle at c0100d9e
 #4 [c8863fa8] cpu_idle at c0100e40

PID: 0      TASK: c8855030  CPU: 2   COMMAND: "swapper"
 #0 [f7f03d88] crash_kexec at c0142ced
 #1 [f7f03ddc] die at c010455a
 #2 [f7f03e20] do_invalid_op at c01049a1
 #3 [f7f03ee8] error_code (via invalid_op) at c0103c35
    EAX: 0000000c  EBX: c8737180  ECX: c050cb54  EDX: 00000001  EBP: c05de2c0
    DS:  007b      ESI: 00000000  ES:  007b      EDI: c05dfda0
    CS:  0060      EIP: c03c45ae  ERR: ffffffff  EFLAGS: 00010282
 #4 [f7f03f1c] cpoint_default_exit at c03c45ae
 #5 [f7f03f24] INT_TASKLET_ENTRY_hook at c0126cab
 #6 [f7f03f3c] __do_softirq at c0126785
 #7 [f7f03f5c] do_softirq at c012685e
 #8 [f7f03f68] irq_exit at c012694f
 #9 [f7f03f70] apic_timer_interrupt at c0103b67
#10 [f7f03fa8] cpu_idle at c0100e40

PID: 0      TASK: c885aa70  CPU: 3   COMMAND: "swapper"
 #0 [f7f25f08] crash_nmi_callback at c0113f0c
 #1 [f7f25f60] do_nmi at c010533d
 #2 [f7f25f70] nmi at c0103cd9
    EAX: 00000000  EBX: c0100d70  ECX: 00000001  EDX: f7f24000  EBP: c05de2c0
    DS:  007b      ESI: c05de2a0  ES:  007b      EDI: f7f24000
    CS:  0060      EIP: c0100d9e  ERR: 00000000  EFLAGS: 00000246
 #3 [f7f25fa4] default_idle at c0100d9e
 #4 [f7f25fa8] cpu_idle at c0100e40

PID: 0      TASK: c885a550  CPU: 4   COMMAND: "swapper"
 #0 [f7f45f08] crash_nmi_callback at c0113f0c
 #1 [f7f45f60] do_nmi at c010533d
 #2 [f7f45f70] nmi at c0103cd9
    EAX: 00000000  EBX: c0100d70  ECX: 00000001  EDX: f7f44000  EBP: c05de2c0
    DS:  007b      ESI: c05de2a0  ES:  007b      EDI: f7f44000
    CS:  0060      EIP: c0100d9e  ERR: 00000000  EFLAGS: 00000246
 #3 [f7f45fa4] default_idle at c0100d9e
 #4 [f7f45fa8] cpu_idle at c0100e40

PID: 0      TASK: c885a030  CPU: 5   COMMAND: "swapper"
 #0 [f7f67f08] crash_nmi_callback at c0113f0c
 #1 [f7f67f60] do_nmi at c010533d
 #2 [f7f67f70] nmi at c0103cd9
    EAX: 00000000  EBX: c0100d70  ECX: 00000001  EDX: f7f66000  EBP: c05de2c0
    DS:  007b      ESI: c05de2a0  ES:  007b      EDI: f7f66000
    CS:  0060      EIP: c0100d9e  ERR: 00000000  EFLAGS: 00000246
 #3 [f7f67fa4] default_idle at c0100d9e
 #4 [f7f67fa8] cpu_idle at c0100e40

PID: 0      TASK: c885ca70  CPU: 6   COMMAND: "swapper"
 #0 [c8887f08] crash_nmi_callback at c0113f0c
 #1 [c8887f60] do_nmi at c010533d
 #2 [c8887f70] nmi at c0103cd9
    EAX: 00000000  EBX: c0100d70  ECX: 00000001  EDX: c8886000  EBP: c05de2c0
    DS:  007b      ESI: c05de2a0  ES:  007b      EDI: c8886000
    CS:  0060      EIP: c0100d9e  ERR: 00000000  EFLAGS: 00000246
 #3 [c8887fa4] default_idle at c0100d9e
 #4 [c8887fa8] cpu_idle at c0100e40

PID: 0      TASK: c885c550  CPU: 7   COMMAND: "swapper"
 #0 [c88a9f08] crash_nmi_callback at c0113f0c
 #1 [c88a9f60] do_nmi at c010533d
 #2 [c88a9f70] nmi at c0103cd9
    EAX: 00000000  EBX: c0100d70  ECX: 00000001  EDX: c88a8000  EBP: c05de2c0
    DS:  007b      ESI: c05de2a0  ES:  007b      EDI: c88a8000
    CS:  0060      EIP: c0100d9e  ERR: 00000000  EFLAGS: 00000246
 #3 [c88a9fa4] default_idle at c0100d9e
 #4 [c88a9fa8] cpu_idle at c0100e40
crash>
crash>
crash>
crash>
crash>
crash> mod
 MODULE   NAME       SIZE  OBJECT FILE
f8d96360  aic7xxx  181972  (not loaded)
crash> files
PID: 0      TASK: c8855030  CPU: 2   COMMAND: "swapper"
ROOT: /    CWD: /
No open files
crash> runq
RUNQUEUES[0]: c8726640
 ACTIVE PRIO_ARRAY: c8726b08
 EXPIRED PRIO_ARRAY: c8726690
RUNQUEUES[1]: c872e640
 ACTIVE PRIO_ARRAY: c872e690
 EXPIRED PRIO_ARRAY: c872eb08
RUNQUEUES[2]: c8736640
 ACTIVE PRIO_ARRAY: c8736690
  [115] PID: 3533   TASK: f7340550  CPU: 2   COMMAND: "klogd"
 EXPIRED PRIO_ARRAY: c8736b08
RUNQUEUES[3]: c873e640
 ACTIVE PRIO_ARRAY: c873e690
 EXPIRED PRIO_ARRAY: c873eb08
RUNQUEUES[4]: c8746640
 ACTIVE PRIO_ARRAY: c8746b08
 EXPIRED PRIO_ARRAY: c8746690
RUNQUEUES[5]: c874e640
 ACTIVE PRIO_ARRAY: c874eb08
 EXPIRED PRIO_ARRAY: c874e690
RUNQUEUES[6]: c8756640
 ACTIVE PRIO_ARRAY: c8756b08
 EXPIRED PRIO_ARRAY: c8756690
RUNQUEUES[7]: c875e640
 ACTIVE PRIO_ARRAY: c875e690
 EXPIRED PRIO_ARRAY: c875eb08
crash>