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RouteD daemon crashes when disabling a VRRP interface, on which DHCP Relay is enabled Technical Level
Symptoms
  • "RTGRTG0019 VRRP: System not ready or invalid configuration. Please retry later" error when running Clish command "show vrrp" in the following scenario:

    1. Configure VRRP cluster on Gaia OS
    2. Disable one of VRRP interfaces in the Gaia Portal
    3. VRRP cluster fails over from Master to Backup
    4. Run Clish command "show vrrp"
      "RTGRTG0019 VRRP: System not ready or invalid configuration. Please retry later" error is displayed
  • /var/log/messages file shows during the issue:

    clish[PID]: User admin logged in with ReadWrite permission
    clish[PID]: cmd by admin: Start executing : show vrrp
    clish[PID]: cmd by admin: Processing : show vrrp
    xpand[PID]: unable to connect to routed Connection refused
    
  • After enabling generation of core dump files per sk92764, core dump files for 'RouteD' process were generated in the /var/log/dump/usermode/ directory.

  • snmpd core is generated

    Oct 3 01:28:44 2019 pfw1fw02 kernel: snmpd[13173]: segfault at 000000000000000c rip 00000000f76ebf9c rsp 00000000ff85b258 error 4
    Oct 3 01:28:44 2019 pfw1fw02 kernel: do_coredump: corename = |/etc/coredump/compress.sh /var/log/dump/usermode/snmpd.13173.core
    Oct 3 01:28:44 2019 pfw1fw02 kernel: do_coredump: argv_arr[0] = /etc/coredump/compress.sh
    Oct 3 01:28:44 2019 pfw1fw02 kernel: do_coredump: argv_arr[1] = /var/log/dump/usermode/snmpd.13173.core
    Oct 3 01:28:51 2019 pfw1fw02 pm[13035]: Reaped: snmpd[13173]
    Oct 3 01:28:52 2019 pfw1fw02 pm[13035]: ** Copied binary /usr/sbin/snmpd to /var/tmp/snmpd-10.03.2019-012851.
    Oct 3 01:28:52 2019 pfw1fw02 pm[13035]: ** Renamed core /var/tmp/snmpd.core to /var/tmp/snmpd.core-10.03.2019-012851.
    
Cause

RouteD daemon crashes when disabling a VRRP interface, on which DHCP Relay is enabled.

Issue occurs more frequently if an incorrect primary IP address is configured in DHCP Relay.


Solution
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