Hi, 0.9_beta2 version has a segfault with thinkfan.conf.simple config bug http://sourceforge.net/p/thinkfan/thinkfan-bugs/12/ Please update to the last version where this is fixed.
+*thinkfan-0.9.2 (21 Jul 2014) + + 21 Jul 2014; Michael Weber <xmw@gentoo.org> +thinkfan-0.9.2.ebuild: + Version bump (bug 517556, thanks Sasha Medvedev) +