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    It is certainly true that NML might be choking on legitimately bogus
    monitor data.    However, one hesitates to observe that signaling
    incorrect input by crashing is a misfeature...<br>
    <br>
    The monitor call would be nice to know.  You can trap both UUO's and
    JSYi on Tops-20 in a number of ways to see what is actually
    happening, whether or not you have the source.  I can't remember
    whether Tops-10 has a similar feature.  I thought not, although I'm
    fairly certain it does have address break.<br>
    <br>
    If the crash dump is Galaxy based, then it will have the AC's
    preserved in a block in the crash dump.<br>
    <div class="moz-cite-prefix">
      <hr width="100%" size="2">On 11/10/21 1:11 PM, Robert Armstrong
      wrote:<br>
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      cite="mid:013701d7d65e$5e5b2360$1b116a20$@com">
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        <p class="MsoNormal" style="margin-bottom:12.0pt"><span
            style="color:#1F497D">></span>I don't suppose DEC
          supplied source for NML?  <span style="color:#1F497D"><o:p></o:p></span></p>
        <p class="MsoNormal" style="margin-bottom:12.0pt"><span
            style="color:#1F497D">  Doesn’t look like it – there’s
            nothing in [10,7,NML] except for the NML.EXE.  Oddly there
            are sources for FAL, NFT and even NCP but not NML.  I wonder
            if there’s some “trick” for building NML.EXE from some other
            source?<o:p></o:p></span></p>
        <p class="MsoNormal" style="margin-bottom:12.0pt"><span
            style="color:#1F497D">  In any case, following the rule of
            “no matter what bad data you give in the monitor call, it
            shouldn’t crash the system” I don’t think NML is the
            problem.  It might be interesting to figure out exactly what
            call NML is trying to execute, but the bug is in the
            monitor.<o:p></o:p></span></p>
        <p class="MsoNormal"><span style="color:#1F497D">Bob<o:p></o:p><o:p></o:p></span><o:p>
            <br>
          </o:p></p>
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