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Knowledge Base

MCU is dead after a few days work, how to select the initial info.

Publication Date:  2019-07-28  |   Views:  267  |   Downloads:  2  |   Author:  m00194007  |   Document ID:  EKB1000038320

Contents

Issue Description

Customer feedback that MCU is dead after a few days work, they can ping MCU, but can`t remote login SSH MCU, in addition can`t open the web of mcu.

Alarm Information

no

Handling Process

First we select the initial information and feedback to TAC for analysising.
We suggest customer feedback this information first. It will help us to diagnose.
<HUAWEI VP9630>dis version
<HUAWEI VP9630>dis board
<HUAWEI VP9630>dis alarm
<HUAWEI VP9630>dis conf-policy
<HUAWEI VP9630>bnrm sysres
<HUAWEI VP9630>debug cpu-performance
<HUAWEI VP9630>dis run-time
<HUAWEI VP9630>dis temperature
<HUAWEI VP9630>dis network-config
And save it as a file. Because the trace file will be a little big.

   Then we suggest feedback the logs, edr and config to us.
For logs . we can use this command to download. (here we suggest 105 instead of 151)

For edr . we can use this command to download.

Then feedback the file to us.

Root Cause

as follows

Suggestions

About this issue, we check the settings about the config. And find
                                     <Maintance>
                                               <AutoReboot>
                                                        <AutoRebootEnable>No</AutoRebootEnable>
                                                        <AutoRebootPeriod>1</AutoRebootPeriod>
                                               </AutoReboot>
   Customer disable the reboot settings. We suggest customer enable the settings of reboot. because after long-time running, the temperature maybe very high or the memory will be expired.
 Be familiar with the diagnose ways.