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From: warner@scubed.com (Ken Warner)
Newsgroups: comp.sys.mac.misc,comp.lang.smalltalk
Subject: Re: Is there a memory management bug in the fx,ci, and si ROM ?
Message-ID: <520@scubed.SCUBED.COM>
Date: 9 Jan 91 19:42:07 GMT
References: <127472@linus.mitre.org> <11678@goofy.Apple.COM>
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    In article <11678@goofy.Apple.COM> lsr@Apple.com (Larry Rosenstein) writes:
    >In article <127472@linus.mitre.org>, dsb@mbunix.mitre.org (Blodgett) writes:
    >> 	Question: I have heard that there is a bug in the Mac ROMs in the
    >> 	fx, ci, [etc]
    >[etc.]  The actual bug involves moving memory blocks around when trying
    >to make room for a non-relocatable block.  The bug is that a hint telling
    >the Memory Manager where to start scanning the heap is wrong, and the
    >Memory Manager ends up scanning the entire heap unnecessarily.
    >The bug is only supposed to affect applications that allocate a lot of
    >non-relocatable blocks, which means it doesn't show up in the majority of
    >applications.  There is a fix being worked on.

Is Smalltalk-80 and/or Objectworks 4.0 such a program that allocates a lot of
non-relocatable blocks?  

Ken Warner