From: Eric Wong Date: 2015-06-27T06:08:28+00:00 Subject: [ruby-core:69752] Re: [Ruby trunk - Bug #11001] 2.2.1 Segmentation fault in reserve_stack() function. kubo@jiubao.org wrote: > IMO, this may be an issue of OS, not of ruby. Fwiw, valgrind chokes here, too. I tested valgrind 3.9.0 on CentOS 7.0 and also backported to Debian 7.0 (wheezy). I comment reserve_stack out when I'm debugging other problems with valgrind.