I am trying to build Snort2.9.8.2 with Hyperscan patch,and snort with hyerscan works fine for the first time;
    Howerver, when I send a SIGHUP SIGNAL to restart snort's process,the process will reload its config(snort.conf) and report a error:

    $ killall -1 snort
     snort output:

    [ Port Based Pattern Matching Memory ]
    +--[ Intel Hyperscan Summary ]--------------------------------
    | Hyperscan version   : 4.3.0 2016-12-02
    | Number of databases : 470
    | Memory (MB)         : 5.72
    | Scratch (KB)        : 5.12
    Session Reload: Reference Count Non-zero for old configuration.

        --== Reload Complete ==--

    ERROR: hs_scan() failed: error -1
    Fatal Error, Quitting..

     I got stuck in this error,maybe I miss something?
     Thanks in advance for your help!