On Wednesday 15 Dec 2004 14:11, Yukihiro Matsumoto wrote:
>
> Try recent snapshot.  The following change might fix your problem.
>
> Mon Dec 13 18:13:52 2004  Tanaka Akira
>
>  * gc.c (stack_end_address): new function to obtain stack end address.
>    stack_end_address calls __builtin_frame_address(0) to obtain the
>    frame pointer of a stack frame of stack_end_address.  The address
>    is the stack pointer of the caller's stack frame.
>    (SET_STACK_END): use stack_end_address.
>    This makes the conservative garbage collector to scan a stack frame
>    of the garbage_collect function itself.  This is required because
>    callee-save registers may be stored in the frame.
>    [ruby-dev:25158]
>
>        matz.

Thanks matz. That certainly looks a likely candidate.

I'll upgrade my servers, run some tests and report back shortly.

Andrew Walrond