What is Segmentation Fault? What does SIGSEGV mean?

Solution Verified - Updated -

Issue

  • From /var/log/messages file I saw rsyslogd core dumped.

    #  cat /var/log/messages | grep rsyslog
Jun  1 01:41:48 host rsyslogd: [origin software="rsyslogd" swVersion="5.8.10" x-pid="1835" x-info="http://www.rsyslog.com"] rsyslogd was HUPed
Jun  1 02:06:29 host abrt[7731]: Saved core dump of pid 59496 (/sbin/rsyslogd) to /var/spool/abrt/ccpp-2014-06-01-02:06:26-59496 (458936320 bytes)

  • I also found that it died with SIGSEGV. What does SIGSEGV mean?

    # abrt-cli info -d /var/spool/abrt/ccpp-2014-06-01-19:04:11-52602 | grep reason
reason:         Process /sbin/rsyslogd was killed by signal 11 (SIGSEGV)

Environment

  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6

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