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Re: Re: Re: does anyone know how to calm down 'tracker-store'?

Hi again,

Then here is my current situation (after a LZ4 decompression, 

root@hp-dark:/var/lib/systemd/coredump# file core.tracker-extract.1000.273d78802abc412f8e7a360fd7509e52.14743.1543436892000000
core.tracker-extract.1000.273d78802abc412f8e7a360fd7509e52.14743.1543436892000000: ELF 64-bit LSB core file, x86-64, version 1 (SYSV), SVR4-style, from '/usr/lib/tracker/tracker-extract', real uid: 1000, effective uid: 1000, real gid: 1000, effective gid: 1000, execfn: '/usr/lib/tracker/tracker-extract', platform: 'x86_64'
root@hp-dark:/var/lib/systemd/coredump# gdb core.tracker-extract.1000.273d78802abc412f8e7a360fd7509e52.14743.1543436892000000
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"/var/lib/systemd/coredump/core.tracker-extract.1000.273d78802abc412f8e7a360fd7509e52.14743.1543436892000000": not in executable format: file format not recognized
(gdb) quit

I have installed:
ii  libde265-0-dbgsym:amd64                 1.0.3-1+b1                            amd64        debug symbols for libde265-0
ii  libdvdcss2-dbgsym:amd64                 1.4.2-1~local                         amd64        debug symbols for libdvdcss2
ii  tracker-extract-dbgsym                  2.1.5-3                               amd64        debug symbols for tracker-extract

because by another way (looking at /tmp/tracker-extract-files.XXXXX) I have found that the error is due to a Matroska video file.
Finally I tried to look at https://wiki.debian.org/HowToGetABacktrace but it does not mention systemd-coredump at all, and then it is not clear when the need is for a user or session daemon/service debugging because in my case it is not explicitly launching a specific command to get the error.