Tor uses lots of open sockets/files. In the default Gentoo configuration, one will see these messages in their /var/log/tor/tor.log file: Dec 16 08:32:30.932 [warn] Failing because we have 991 connections already. Please raise your ulimit -n. Reproducible: Always Steps to Reproduce:
Created attachment 175469 [details] /etc/security/limits.d/tor.conf Installing this file as part of the ebuild's postinst fixes the problem
This file is now installed in src_install() phase. Thanks for your valuable report.