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Entry  28 Mar 2019, Gennaro Tortone, Bug Report, rmlogger - bk_swap( ) 
    Reply  28 Mar 2019, Konstantin Olchanski, Bug Report, rmlogger - bk_swap( ) 
       Reply  28 Mar 2019, Konstantin Olchanski, Bug Report, rmlogger - bk_swap( ) 
       Reply  29 Mar 2019, Gennaro Tortone, Bug Report, rmlogger - bk_swap( ) 
          Reply  29 Mar 2019, Konstantin Olchanski, Bug Report, rmlogger - bk_swap( ) 
             Reply  06 May 2019, Konstantin Olchanski, Bug Report, rmlogger - bk_swap( ) 
Message ID: 1517     Entry time: 29 Mar 2019     In reply to: 1516     Reply to this: 1527
Author: Konstantin Olchanski 
Topic: Bug Report 
Subject: rmlogger - bk_swap( ) 
> #5  <signal handler called>
> #6  bk_swap (event=event
> #7  0x000244f0 in root_write (log_chn=0x17ec188, pevent=0x0, evt_size=<optimized out>) at src/mlogger.cxx:3364
> #8  0x0002a8b4 in log_write (log_chn=log_chn
> #9  0x0002b480 in log_odb_dump_json (log_chn=log_chn
> #10 0x0002b5c0 in log_odb_dump (log_chn=log_chn
> #11 0x0002a82c in log_open (log_chn=0x17e9f40, run_number=34, run_number

Ok, here is our bug. It is trying to write the ODB dump through the ROOT writer. Not gonna work.

Simple fix. Set ODB "/Logger/Channels/X/Settings/ODB dump" to "n".

Keep an eye on this for a proper fix
https://bitbucket.org/tmidas/midas/issues/179/mlogger-root-output-crash-from-odb-dump

K.O.
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