Try to open the .xlsx file with Libreoffice 5.2 calc
prjList xlsx 12.7 M 08/08/2017 13:29:17 -rw-r–r–
The zombie process as below:
$ ps aux | grep 'Z'
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
robin 23701 0.1 0.0 0 0 ? Z 16:37 0:00 [soffice.bin]
$ pstree -p -s 23701
systemd(1)───oosplash(23681)───soffice.bin(23700)───soffice.bin(23701)
screen as below:
Screenshot from 2017-08-14 16-53-53.png
OS: Debian GNU/Linux 8(jessie) x64bit, GNOME v3.14.1, Memory 7.8GiB, Libreoffice 5.2.7-1~bpo8