From: Nobuyoshi Nakada <nobu.nokada@...>
Date: 2002-06-02T20:45:04+09:00
Subject: Re: Ruby 1.7.2 dieing of segfault  (was Re: Ruby 1.6.7 dieing of segfault)

Hi,

At Sun, 2 Jun 2002 20:09:41 +0900,
Dossy wrote:
> $ ruby-1.7.2 -v
> ruby 1.7.2 (2002-05-30) [i686-linux]
> 
> Well, I built 1.7.2 (and freshly installed ruby/dbi, dbd_oracle 0.0.15
> and rexml 2.2.2).  I still get the error, but at least now I get more
> useful debugging info in gdb:

If you use extension libraries, possibly it may be due to those
libraries.

> (gdb) p *(*(RVALUE *)1076321712)->as.array.ptr
> $13 = 4

It means the first element of the array was nil.

> Perhaps I'm looking too late and memory is already wrong?

If it was due to GC bug.

> I'll try to set up some breakpoints and catch the problem before
> it manifests, but I don't know how successful I'll be.  Any
> hints at debugging Ruby will be much appreciated.  :-)

Anyway, I can say nothing more now.  Can't you make a snippet
reproduce it?

-- 
Nobu Nakada