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Re: An Error in Early Boot

From: Mike Gran
Subject: Re: An Error in Early Boot
Date: Thu, 14 Oct 2010 16:36:24 -0700 (PDT)

> From: Noah Lavine <address@hidden>
> Hello,
> I got into a situation just now when Guile was generating an error
> very early in the boot process (it was loading some objcode from
> scm_init_eval_in_scheme(), I think, although I haven't looked enough
> to be sure). The fun part is, instead of printing an error message, it
> got into an infinite recursion that eventually ended in a memory
> fault.
> The reason is that scm_error_scm in error.c calls scm_ithrow (error.c:315),
> which finds its way through scm_throw and some VM calls to
> pre_init_throw (throw.c:495)
> which in turn gets it to scm_at_abort, which goes to scm_c_abort,
> which finally calls scm_misc_error (control.c:210) because it can't
> find a prompt on the dynamic stack because the error is too early,
> which leads back to scm_error_scm again.

Hi Noah,

FWIW, I also noticed the infinite recusion problem in bug #30162.

At the time, I thought that the following revision might be the one
that caused the problem.


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