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Re: Repeatable bug since src/process.c v1.403

From: David Kastrup
Subject: Re: Repeatable bug since src/process.c v1.403
Date: 17 May 2003 22:07:20 +0200
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3.50

Fabrice Bauzac <address@hidden> writes:

> In GNU Emacs 21.3.2 (i386-pc-linux-gnu, X toolkit, Xaw3d scroll bars)
>  of 2003-04-24 on raven, modified by Debian
> configured using `configure  i386-linux --prefix=/usr 
> --sharedstatedir=/var/lib --libexecdir=/usr/lib --localstatedir=/var/lib 
> --infodir=/usr/share/info --mandir=/usr/share/man --with-pop=yes --with-x=yes 
> --with-x-toolkit=athena --without-gif'

> The bug seems to have appeared on 2003-03-09 with a modification on
> src/process.c:

> I don't know at all what the carryover variable means, all I can do is
> patch and try.  But if you need any help from me, please tell me what
> to do, patch or test.  I'd be glad to help.

My fault.  I changed the code because there was enough memory
allocated for accommodating the I/O.  I backed the change out again,
even though I have no idea why it would cause a problem.  Could you
alternatively try removing the "+ carryover" from the argument to
alloca a few lines above, and see whether this would again cause the
crashes you experienced?

I hate it if one has to allocate more memory than properly needed,
this points to a thinko or possibly other problem elsewhere.

David Kastrup, Kriemhildstr. 15, 44793 Bochum

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