From: Eric Wong <normalperson@...> Date: 2014-04-09T19:50:03+00:00 Subject: [ruby-core:61925] Re: [ruby-trunk - Bug #9718] Segmentation fault is occurred on trunk and 2.1 Reproducible on ruby 2.2.0dev (2014-04-09 trunk 45543) [x86_64-linux] Not reproducible on ruby 2.0.0p451 [x86_64-linux] I tried the pure Ruby thread.rb from 2.0.0 with trunk, but the segfault still happens, so I do not think this is a problem with the new thread.so Looks like a GC problem, valgrind -v output: http://yhbt.net/9718.txt I'm stuck for now :<