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AP9631 Network Interface restarted | UPS Management Devices & PowerChute Software

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AP9631 Network Interface restarted

Discussion in UPS Management Devices & PowerChute Software started by Jeremiah , 2/6/2017 11:16 PM
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Please review Schneider Electric Knowledge Base articles for assistance with most technical support questions.  http://www.apc.com/us/en/faqs

Posted in: General

AP9631 Network Interface restarted

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  • wolfee182

    I have an AP9631 that seems to "Network Interface restarted" every couple days or so.  I have upgraded the firmware to v.6.4.6 , but this has not solved the issue. I looked through the logs files but dont see anything helps narrow down where the problem is. 

    I am attaching the sanitized files if anyone could help narrow down the issue. 

    Thanks

  • UnexpectedBill

    There's a watchdog timer built into the AP9631 platform. If the network is quiet enough, it might sense the lack of traffic as a problem and restart the management card. There is also a ping test that takes place from time to time and a failure there could also restart the card.

  • voidstar

    It looks like a known issue with that firmware -- you could try reducing notifications ie removing SNMP trap receivers and email recipients.

  • Philipp

    Will there be a possibility to disable this watchdog and/or ping feature in the future?

    I tried to disable all unecessary services: ftp, snmp but I still get the network card restart and it takes up to 4 minutes

    It is especially annoying for me because I use the APC7920B in automated tests which then fail because I cannot connect to the device when the interface is restarting.

    Additional information:

    aos: v6.5.6

    rpdu2g: v6.5.6

    bootmon: v1.0.8

  • Terry_Kennedy

    If you request a "Technical Support Debug Information Download" from the About / Support web page on your device, you'll get a .tar.gz file which contains a number of useful things. I don't remember which file it is (maybe the debug one), but one of them has a code identifying the cause of the watchdog reset. One of the APC folks can probably look that up for you and tell you why your card is resetting.

  • Philipp

    @APC I could reproduce the behavior again and got a core dump where should I send the snapshot?

    Snippets:

    dump.txt

    09/07/2018 10:17:26 Failsafe Reset
    Specific code = 200
    
    
    AOS v6.5.6 rpdu2 v6.5.6
    Serial Number: 5A1750E04651
    AOS Binary Date/Time: Mar 30 2018 16:51:08
    APP Binary Date/Time: Apr 24 2018 11:42:41
    
    Task Dump Task ID 166
    
    
    
     Data in RAM is incomplete - dump aborted!
    

    events.txt:

    09/12/2018    21:53:37    System    Network Interface restarted.    0x0002 (occurs multiple times)

    debug.txt:

    09/12/2018 21:20:27 Requested Reset 
    09/12/2018 21:53:38 Failsafe Reset
    09/12/2018 22:49:52 Failsafe Reset
    ...
    09/07/2018 09:18:33 .\os\os_heap.c:191 check_heap: block size mismatch. 09/07/2018 09:18:40 Software Exception Reset
    09/07/2018 10:14:21 
    Less than 100 bytes in stack, task 220
    Attachments
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