Author xdegaye
Recipients vstinner, xdegaye
Date 2017-12-09.09:30:51
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Oh it seems your Fedora 27 also uses systemd and uses the same configuration as archlinux, see In that case according to this wiki your core dumps go to /var/lib/systemd/coredump and this may explain the different behaviors between your system and mine.

My setup (updating the file /etc/sysctl.d/50-coredump.conf) was the documented archlinux practice 4 years ago when systemd used to store the coredumps in log files (very annoying). This setup is still working although it is not documented in this wiki (maybe somewhere else).

FWIW I have kept the notes made when configuring archlinux at that time, they are:

disable core dumps managed by systemd-coredumpctl(1) - see also man pages for sysctl.d and sysctl
/etc/sysctl.d/50-coredump.conf                        # same file name as in /usr/lib/sysctl.d/
echo "core-%e.%s" > /proc/sys/kernel/core_pattern     # or reboot

# per user
ulimit -c unlimited
Date User Action Args
2017-12-09 09:30:52xdegayesetrecipients: + xdegaye, vstinner
2017-12-09 09:30:52xdegayesetmessageid: <>
2017-12-09 09:30:52xdegayelinkissue32252 messages
2017-12-09 09:30:51xdegayecreate