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crash of webserver on beaglebone black

ranthony63
2018-03-06
2023-08-17
  • ranthony63 - 2018-03-06

    I am using multiple webvisu containing XY charts, histograms, texts and various widgets. Multiple users and clients (laptops, mobile phones) access the webserver on the PLC (Beaglebone black). It works pretty well but every so often I get a crash of the webserver.

    Example 1:
    1520322979, 0x00000071, 1, 0, 0, File <file>$PlcLogic$/$visu$/element-meter-meter90-gray-topright.svg</file> requested ...
    1520322979, 0x00000071, 1, 304, 0, State: Not Modified
    1520322981, 0x00000071, 8, 81, 0, EXCEPTION <task>WebServerTask</task> <ip>0xb6e08ad2</ip> <bp>0xb6000040</bp> <sp>0xb5fdec28</sp>
    1520323014, 0x0000100c, 1, 0, 0, VisuFctCheckForUnusedClients: Removing Client at Address: 3061861096
    1520323014, 0x0000100c, 1, 0, 0, VisuFctCheckForUnusedClients: Successfully Removed Client at Address: 3061861096, IEC-ID was: 0

    Example 2:
    1519890714, 0x00000071, 8, 81, 0, EXCEPTION <task>WebServerTask</task> <ip>0xb6d8dad2</ip> <bp>0xb5f00040</bp> <sp>0xb6191c28</sp>
    1519890721, 0x0000100c, 1, 0, 0, VisuFctCheckForUnusedClients: Removing Client at Address: 3048407776
    1519890721, 0x0000100c, 1, 0, 0, VisuFctCheckForUnusedClients: Successfully Removed Client at Address: 3048407776, IEC-ID was: 4
    1519890731, 0x0000100c, 1, 0, 0, VisuFctCheckForUnusedClients: Removing Client at Address: 3048524848
    1519890751, 0x0000100c, 2, 0, 0, VisuElemXYChart: Not enough space for handling creating/destroying clients

    Example 3:
    1518682903, 0x00000071, 1, 0, 0, State: successful
    1518682918, 0x0000100c, 1, 0, 0, Visu_PRG: Creating Client for Extern-ID: 968082
    1518682918, 0x0000100c, 1, 0, 0, Visu_PRG: Creating Client successful for Extern-ID: 968082 Returned IEC-ID: 5
    1518682934, 0x00000071, 8, 81, 0, EXCEPTION <task>WebServerTask</task> <ip>0xb6df0ad2</ip> <bp>0xb6e897d4</bp> <sp>0xb697ec28</sp>

    Example 4:
    SyncSendService failed
    TlsCreateContext: Creating the TLS context for namespace 'Webserver' failed
    TlsCreateContext: Failed to read certificate ./PKI/cert/server.cer in namespace WebServer

    debian@beaglebone:~$ uname -a
    Linux beaglebone 4.9.78-ti-r94 #1 SMP PREEMPT Fri Jan 26 21:26:24 UTC 2018 armv7l GNU/Linux

    debian@beaglebone:~$ cat /etc/issue
    Debian GNU/Linux 9 \n \l

    BeagleBoard.org Debian Image 2018-01-28

    Do you have any ideas of the possible causes of these multiples crashes?
    Thanks,
    Anthony

     
  • eschwellinger

    eschwellinger - 2018-03-06

    Hi,
    possible to get the projectarchive to investgate it?
    BR
    Edwin

     

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