From: Nobuyoshi Nakada <nobu@...>
Date: 2009-10-30T09:49:30+09:00
Subject: [ruby-core:26425] Re: [Bug #2309] Segfault, repeatable testcase, possibly related to [2295], [2019], [1937].

Hi,

At Fri, 30 Oct 2009 09:13:36 +0900,
Jxtps 435 wrote in [ruby-core:26422]:
> Testcase is very repeatable (happens every time I run my
> specs), but slightly non-deterministic: changing a few lines
> of code will change in which particular test it happens
> (multiple tests go through the same code-path, doesn't always
> happen every time you go through the same path), and though
> it is usually in the same spot in the code it has sometimes
> happened in other spots (deeper within the same call-chain).

Sounds like a GC bug.

> Unfortunately the code is for a commercial project and I
> can't share it. Sorry. I can work with someone from the
> ruby-core community to e.g. run debug versions of ruby on the
> test case if that is of use.

Could you show the backtrace with gdb?

-- 
Nobu Nakada