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    Hi Folks,<br>
    <br>
    Today, I was able to get closer to the origin of the problem. The
    problem is when Morphic tries to do a Delay (inter-cycle-pause) of 1
    or two milliseconds. (Usually they are quite larger, and the problem
    does not appear). With the 64-bit VM, sometimes very short delays
    hang the complete system. I don't know why, but this:
    <br>
    <br>
    waitDelay _ Delay forMilliseconds: 50.
    <br>
    [ true ] whileTrue: [
    <br>
        1000 atRandom print.
    <br>
        waitDelay setDelay: 1; wait ].
    <br>
    <br>
    is enough to hang Cuis in a short time. When trying to reproduce the
    problem in Squeak I had mixed results. It doesn't seem to hang
    there, but if I let this run for a couple of minutes and then try to
    halt with alt-. , then the hang occurs, and Squeak becomes
    irresponsibe. As a workaround, in Cuis in the inter cycle pause, I'm
    avoiding very short delays.<br>
    <br>
    I'm not sure if the bug is in the VM, in 
    the image, or both, but it is still there, and it also affects
    Squeak. I haven't tried it, but Pharo might also have the problem
    (if not, it can show a possible solution).<br>
    <br>
    BTW, Bert, I guess Squeak never does short delays in
    #interCyclePause: ...<br>
    <br>
    Thanks,<br>
    <br>
    On 2/6/2017 12:28 PM, Bert Freudenberg wrote:
    <blockquote
cite="mid:CACnEXedQuzXeXuZxO5k_mwbQYeEmrS0iiyvsbyG=NrNTUqSKCg@mail.gmail.com"
      type="cite">
      <pre wrap=""> </pre>
      <br>
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      <br>
      <div dir="ltr">Yes, I tried with Spur64. Have not seen it freeze
        yet on Mac in Squeak, but we possibly have not replicated the
        test well enough yet.
        <div><br>
        </div>
        <div>It *did* freeze in Cuis Spur64 on Mac too. <br>
          <div><br>
          </div>
          <div>
            <div>- Bert -<br>
              <div class="gmail_extra"><br>
                <div class="gmail_quote">On Mon, Feb 6, 2017 at 2:08 PM,
                  Juan Vuletich <span dir="ltr"><<a
                      moz-do-not-send="true"
                      href="mailto:juanvuletich@zoho.com"
                      target="_blank">juanvuletich@zoho.com</a>></span>
                  wrote:<br>
                  <blockquote class="gmail_quote" style="margin: 0pt 0pt
                    0pt 0.8ex; border-left: 1px solid rgb(204, 204,
                    204); padding-left: 1ex;"> <br>
                    <div>
                      <div style="font-size: 10pt; font-family:
                        Verdana,Arial,Helvetica,sans-serif;">Were you
                        usig Spur64? On Debian it does not freeze with
                        CogV3 or Spur32. Only with Spur64.<br>
                        <br>
                        Thanks,<br>
                        Juan<br id="m_5696784572827578869br3">
                        <div id="m_5696784572827578869signature">
                          <p style="color: rgb(42, 42, 42);">Sent using
                            <a moz-do-not-send="true" style="color:
                              rgb(89, 143, 222);"
                              href="https://www.zoho.com/mail/"
                              target="_blank">Zoho Mail</a></p>
                        </div>
                        <div id="m_5696784572827578869content">
                          <blockquote><br>
                            ---- On Mon, 06 Feb 2017 09:19:48 -0300 <b>
                              <a moz-do-not-send="true"
                                href="mailto:bert@freudenbergs.de"
                                target="_blank">bert@freudenbergs.de</a>
                            </b> wrote ----<br>
                            <br>
                            <div>
                              <div dir="ltr">
                                <div>
                                  <div>On Mon, Feb 6, 2017 at 3:15 AM,
                                    David T. Lewis <span><<a
                                        moz-do-not-send="true"
                                        href="mailto:lewis@mail.msen.com"
                                        target="_blank">lewis@mail.msen.com</a>></span>
                                    wrote:<br>
                                    <blockquote style="margin: 0pt 0pt
                                      0pt 0.8ex; border-left: 1px solid
                                      rgb(204, 204, 204); padding-left:
                                      1ex;">It would be interesting to
                                      try reproducing this in a Squeak
                                      image, but I<br>
                                      have not quite figured out how to
                                      make the Tokenish example work in
                                      Squeak.<br>
                                    </blockquote>
                                    <div><br>
                                    </div>
                                    <div>See attachment. Did not freeze
                                      on Mac with 10 Tokenish jumping.</div>
                                    <div>- Bert -</div>
                                    <div> </div>
                                  </div>
                                </div>
                              </div>
                            </div>
                          </blockquote>
                        </div>
                      </div>
                    </div>
                    <br>
                  </blockquote>
                </div>
                <br>
              </div>
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          </div>
        </div>
      </div>
    </blockquote>
    <br>
    <br>
    <pre class="moz-signature" cols="72">-- 
Juan Vuletich
<a class="moz-txt-link-abbreviated" href="http://www.cuis-smalltalk.org">www.cuis-smalltalk.org</a>
<a class="moz-txt-link-freetext" href="https://github.com/Cuis-Smalltalk/Cuis-Smalltalk-Dev">https://github.com/Cuis-Smalltalk/Cuis-Smalltalk-Dev</a>
@JuanVuletich</pre>
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