kopano-dagent 8.4.2.0 sigsev



  • With Kopano dagent 8.4.2.0 I got segmentation faults:

    Tue Nov 14 09:56:42 2017: [crit   ] [19272] Fatal error detected. Please report all following information.
    Tue Nov 14 09:56:42 2017: [crit   ] [19272] Application kopano-dagent version: 8.4.2.0
    Tue Nov 14 09:56:42 2017: [crit   ] [19272] OS: Linux, release: 3.16.0-4-amd64, version: #1 SMP Debian 3.16.43-2+deb8u5 (2017-09-19), hardware: x86_64
    Tue Nov 14 09:56:42 2017: [crit   ] [19272] Thread name: kopano-dagent
    Tue Nov 14 09:56:42 2017: [crit   ] [19272] Peak RSS: 29320
    Tue Nov 14 09:56:42 2017: [crit   ] [19272] Pid 19272 caught SIGSEGV (11), traceback:
    Tue Nov 14 09:56:42 2017: [crit   ] [19272] Backtrace:
    Tue Nov 14 09:56:42 2017: [crit   ] [19272] #0. /usr/lib/libkcutil.so.0(+0x28a8d) [0x7fa12b585a8d]
    Tue Nov 14 09:56:42 2017: [crit   ] [19272] #1. /usr/lib/libkcutil.so.0(+0x21f0f) [0x7fa12b57ef0f]
    Tue Nov 14 09:56:42 2017: [crit   ] [19272] #2. /usr/lib/libkcutil.so.0(_ZN2KC23generic_sigsegv_handlerEPNS_8ECLoggerEPKcS3_iPK9siginfo_tPKv+0x1c1) [0x7fa12b57f281]
    Tue Nov 14 09:56:42 2017: [crit   ] [19272] #3. /lib/x86_64-linux-gnu/libpthread.so.0(+0xf890) [0x7fa128118890]
    Tue Nov 14 09:56:42 2017: [crit   ] [19272] #4. /usr/sbin/kopano-dagent() [0x42ab09]
    Tue Nov 14 09:56:42 2017: [crit   ] [19272] #5. /usr/sbin/kopano-dagent() [0x4162bc]
    Tue Nov 14 09:56:42 2017: [crit   ] [19272] #6. /usr/sbin/kopano-dagent() [0x416eb1]
    Tue Nov 14 09:56:42 2017: [crit   ] [19272] #7. /usr/sbin/kopano-dagent() [0x417b27]
    Tue Nov 14 09:56:42 2017: [crit   ] [19272] #8. /usr/sbin/kopano-dagent() [0x41bb76]
    Tue Nov 14 09:56:42 2017: [crit   ] [19272] #9. /usr/lib/libkcutil.so.0(_ZN2KC18unix_fork_functionEPFPvS0_ES0_iPi+0x6d) [0x7fa12b583a4d]
    Tue Nov 14 09:56:42 2017: [crit   ] [19272] #10. /usr/sbin/kopano-dagent() [0x40bacd]
    Tue Nov 14 09:56:42 2017: [crit   ] [19272] #11. /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7fa1269b4b45]
    Tue Nov 14 09:56:42 2017: [crit   ] [19272] #12. /usr/sbin/kopano-dagent() [0x40cd3f]
    Tue Nov 14 09:56:42 2017: [crit   ] [19272] Signal errno: Success, signal code: 2
    Tue Nov 14 09:56:42 2017: [crit   ] [19272] Sender pid: 625995912, sender uid: 32673, si_status: 0
    Tue Nov 14 09:56:42 2017: [crit   ] [19272] Signal value: 0, faulting address: 0x7fa1254ff088
    Tue Nov 14 09:56:42 2017: [crit   ] [19272] When reporting this traceback, please include Linux distribution name (and version), system architecture and Kopano version.
    Tue Nov 14 10:04:25 2017: [error  ] [20616] Client disconnected
    
    

    I have set the coredump_enabled option to yes. But coredumps will not be generated: kopano-server requires the fs.suid_dumpable sysctl to contain the value 2, not 0. What can I do to enable this feature to provide Kopano a coredump of this problem?


  • Kopano

    Hello @leroyk2 ,

    there is a more recent version available of kopano core, please update to the last version https://documentation.kopano.io/kopano_changelog/kc.html#kopano-core-8-4-3-8-4-3-4.

    Since you are running a supported build I would suggest following this up with our support if the error persists.



  • Thanks for the fast response! The update resolved the segmentation faults.


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