Retrieving Crash Information - Samsung WEC8500 Operation Manual

2600-00FK1RGA4 Ver.

10.10.2 Retrieving Crash Information

When a critical problem occurs in the system platform during operation, the APC saves
important system information at that time to provide the crash information that can be used
for post mortem analysis. The crash information includes the Crash Detect and Report
(CDR) information that has the context about the crash status and the core dump
information that has the memory dump about the crash status of a user process.
10.10.2.1 Managing CDR Information
To manage the CDR information, the system provides the following function.

Retrieving CDR Information

Exports CDR history information

Deletes CDR history information
[Retrieving Summarized CDR History Information]
To retrieve the entire history information for all the rebooting including rebooting due to a
crash, enter the 'show debug reboot summary' command.

show debug reboot summary
WEC8500# show debug reboot summary
======================================================================
====================================
ID EVENT_NAME
REBOOT_TIME
======================================================================
====================================
0001 DIE
03:56:00, Aug 22 2012
0000 PANIC
03:51:51, Aug 22 2012
[Retrieving Detail CDR History Information]
To check the detail crash information, execute the 'show debug reboot info[id/all]'
command. By using this command, you can view the key information including a kernel
log that exists before the system is rebooted due to a critical crash. The description of each
parameter is shown below.

show debug reboot info [DATA]
Parameter
© SAMSUNG Electronics Co., Ltd.
3.0
EVENT_DESCRIPTION
DIE_VAL[1] - Unhandled kernel unaligned access
softlockup: hung tasks
DATA Selects crash information (id/all)
- id: A specific CDR ID value to view
- all: Retrieve all the CDR histories
CHAPTER 10. System Management
Description
page 362 of 496