[root@llm11 proc]# ls -l vmcore
-r-------- 1 root root 3849938132 Jul 4 13:38 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
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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 vmalloc'd module memory
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 13:32:22 2006
UPTIME: 00:03:48
LOAD AVERAGE: 0.08, 0.17, 0.08
TASKS: 164
NODENAME: llm11.in.ibm.com
RELEASE: 2.6.17.2
VERSION: #9 SMP PREEMPT Mon Jul 3 17:59:41 IST 2006
MACHINE: i686 (2488 Mhz)
MEMORY: 4.6 GB
PANIC: "SysRq : Trigger a crashdump"
PID: 0
COMMAND: "swapper"
TASK: c885a030 (1 of 8) [THREAD_INFO: f7f66000]
CPU: 5
STATE: TASK_RUNNING (SYSRQ)
crash> bt -a
PID: 0 TASK: c050a540 CPU: 0 COMMAND: "swapper"
#0 [c059fe94] crash_nmi_callback at c0113f0c
#1 [c059feec] do_nmi at c010533d
#2 [c059fefc] nmi at c0103cd9
EAX: c8726640 EBX: 00000001 ECX: c8726b08 EDX: 00000001 EBP: c059ff70
DS: 007b ESI: c05df300 ES: 007b EDI: 00000000
CS: 0060 EIP: c011ac0e ERR: c8726640 EFLAGS: 00000002
#3 [c059ff30] dependent_sleeper at c011ac0e
#4 [c059ff74] schedule at c04841cf
#5 [c059ffcc] cpu_idle at c0100e7d
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 [f7f03f08] crash_nmi_callback at c0113f0c
#1 [f7f03f60] do_nmi at c010533d
#2 [f7f03f70] nmi at c0103cd9
EAX: 00000000 EBX: c0100d70 ECX: 00000001 EDX: f7f02000 EBP: c05de2c0
DS: 007b ESI: c05de2a0 ES: 007b EDI: f7f02000
CS: 0060 EIP: c0100d9e ERR: 00000000 EFLAGS: 00000246
#3 [f7f03fa4] default_idle at c0100d9e
#4 [f7f03fa8] cpu_idle at c0100e40
PID: 0 TASK: c885aa70 CPU: -1 COMMAND: "swapper"
#0 [f7f25f50] schedule at c048443b
#1 [f7f25fa8] cpu_idle at c0100e40
PID: 0 TASK: c885a550 CPU: 4 COMMAND: "swapper"
#0 [f7f45d7c] crash_kexec at c0142ced
#1 [f7f45dd0] __handle_sysrq at c02e84a5
#2 [f7f45dfc] handle_sysrq at c02e8580
#3 [f7f45e10] kbd_event at c02e2a25
#4 [f7f45e34] input_event at c03b8c66
#5 [f7f45e5c] atkbd_report_key at c03bc4f6
#6 [f7f45e78] atkbd_interrupt at c03bc8d2
#7 [f7f45eb4] serio_interrupt at c03b67c1
#8 [f7f45edc] i8042_interrupt at c03b7382
#9 [f7f45f14] INT_HW_IRQ_EN_hook at c0147fae
#10 [f7f45f38] INT_HARDWARE_ENTRY_hook at c014807f
#11 [f7f45f64] do_IRQ at c0105a2e
#12 [f7f45f70] common_interrupt at c0103ad9
EAX: 00000000 EBX: c0100d70 ECX: 00000001 EDX: f7f44000 EBP: c05de2c0
DS: 007b ESI: c05de2a0 ES: 007b EDI: f7f44000
CS: 0060 EIP: c0100d9e ERR: ffffff01 EFLAGS: 00000246
#13 [f7f45fa4] default_idle at c0100d9e
#14 [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> bt
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
crash> runq
RUNQUEUES[0]: c8726640
ACTIVE PRIO_ARRAY: c8726b08
[115] PID: 3533 TASK: f7fb3030 CPU: 0 COMMAND: "klogd"
EXPIRED PRIO_ARRAY: c8726690
RUNQUEUES[1]: c872e640
ACTIVE PRIO_ARRAY: c872e690
EXPIRED PRIO_ARRAY: c872eb08
RUNQUEUES[2]: c8736640
ACTIVE PRIO_ARRAY: c8736690
EXPIRED PRIO_ARRAY: c8736b08
RUNQUEUES[3]: c873e640
ACTIVE PRIO_ARRAY: c873eb08
[116] PID: 5078 TASK: c8925a70 CPU: 3 COMMAND: "bash"
EXPIRED PRIO_ARRAY: c873e690
RUNQUEUES[4]: c8746640
ACTIVE PRIO_ARRAY: c8746b08
[110] PID: 30 TASK: f7fef550 CPU: 4 COMMAND: "events/4"
PID: 1044 TASK: f77a8550 CPU: 4 COMMAND: "kjournald"
EXPIRED PRIO_ARRAY: c8746690
RUNQUEUES[5]: c874e640
ACTIVE PRIO_ARRAY: c874e690
EXPIRED PRIO_ARRAY: c874eb08
RUNQUEUES[6]: c8756640
ACTIVE PRIO_ARRAY: c8756b08
EXPIRED PRIO_ARRAY: c8756690
RUNQUEUES[7]: c875e640
ACTIVE PRIO_ARRAY: c875e690
EXPIRED PRIO_ARRAY: c875eb08
crash> files
PID: 0 TASK: c885a030 CPU: 5 COMMAND: "swapper"
ROOT: / CWD: /
No open files
crash> mod
mod: cannot access vmalloc'd module memory
crash>