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<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Hi Peter,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">I’ve run a few tests based on your observations regarding the number of vCPU cores and my own findings are that it is specifically 8 vCPUs and 12 vCPUs which exhibit this behaviour. I haven’t been
able to test beyond 12 vCPUs because that’s my hardware limit.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">With 1-7 vCPUs, or with 9-11 vCPUs BIND 9.16.19 starts just fine. But with either 8 vCPUs or 12 vCPUs the ISC BIND service fails to start.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">If I try and start the service manually I get:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">/ / / / /<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Windows could not start the ISC BIND service on Local Computer.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Error 1067: The process terminated unexpectedly.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">/ / / / /<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">And if I look in the Windows Application Event Log I see named logging all of the following, and then it stops right after logging that it’s using 1 UDP listener per interface:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">/ / / / /<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">BIND 9 is maintained by Internet Systems Consortium,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Inc. (ISC), a non-profit 501(c)(3) public-benefit
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">corporation. Support and training for BIND 9 are
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">available at <a href="https://www.isc.org/support">
https://www.isc.org/support</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">----------------------------------------------------<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">found 8 CPUs, using 8 worker threads<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">using 1 UDP listener per interface<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">/ / / / /<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">You should file a bug report on ISC’s BIND bug tracker if you’d like them to investigate it. It doesn’t impact me I’m afraid because my Windows BIND servers are all 2 vCPU virtual machines – I find
that’s plenty enough resource to run BIND for me.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><a href="https://gitlab.isc.org/isc-projects/bind9/-/issues">https://gitlab.isc.org/isc-projects/bind9/-/issues</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Best,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal">Richard.<o:p></o:p></p>
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<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> bind-users <bind-users-bounces@lists.isc.org>
<b>On Behalf Of </b>Peter via bind-users<br>
<b>Sent:</b> 23 July 2021 5:44 pm<br>
<b>To:</b> bind-users@lists.isc.org<br>
<b>Subject:</b> ITS THE NUMBER OF CORES/THREADS<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="western" style="margin-bottom:0cm">So after ALL that it was down to the number of cores/threads, anything more then 7 cores/threads and
<span style="color:black">9.16.19 WILL NOT RUN tested in a</span> virtual PC<span style="color:black">.</span>
<o:p></o:p></p>
<p>Man what A BUG<o:p></o:p></p>
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