Ver.CHAPTER 10. System Management© SAMSUNG Electronics Co., Ltd. page 362 of 4962600-00FK1RGA4 3.010.10.2 Retrieving Crash InformationWhen a critical problem occurs in the system platform during operation, the APC savesimportant system information at that time to provide the crash information that can be usedfor 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 dumpinformation that has the memory dump about the crash status of a user process.10.10.2.1 Managing CDR InformationTo 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 acrash, enter the ‘show debug reboot summary’ command. show debug reboot summaryWEC8500# show debug reboot summary==========================================================================================================ID EVENT_NAME EVENT_DESCRIPTIONREBOOT_TIME==========================================================================================================0001 DIE DIE_VAL[1] - Unhandled kernel unaligned access03:56:00, Aug 22 20120000 PANIC softlockup: hung tasks03:51:51, 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 kernellog that exists before the system is rebooted due to a critical crash. The description of eachparameter is shown below. show debug reboot info [DATA]Parameter DescriptionDATA Selects crash information (id/all)- id: A specific CDR ID value to view- all: Retrieve all the CDR histories
