<div dir="ltr"><div>How many antennas do you have in this observation, Wei? difxcalc will segfault if the number of antennas in the calc file exceeds the hard-coded maximum (got to love FORTRAN). Until some time in 2023, that maximum was 30-something (actually, about 10 different variables in different places had different maxima, but 30-something was the lowest) but for around a year now it should have been bumped up to 254.</div><div><br></div><div>As Chris said, ensuring that you are working with a fresh compile of the most recent version should help.</div><div><br></div><div>Cheers,</div><div>Adam<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, 20 Aug 2024 at 12:27, Phillips, Chris (S&A, Marsfield) via Difx-users <<a href="mailto:difx-users@listmgr.nrao.edu" target="_blank">difx-users@listmgr.nrao.edu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div>
I would start with a fresh install of DIFX<br id="m_-6611413161754939357m_-8564793937831325548lineBreakAtBeginningOfMessage">
<div><br>
<blockquote type="cite">
<div>On 20 Aug 2024, at 11:42, Yu, Wei via Difx-users <<a href="mailto:difx-users@listmgr.nrao.edu" target="_blank">difx-users@listmgr.nrao.edu</a>> wrote:</div>
<br>
<div>
<div dir="ltr">Hi Adam and all,
<div><br>
</div>
<div>Still have errors when running <span style="font-variant-ligatures:no-common-ligatures;font-family:Menlo;font-size:11px">difxcalc, as follows: difxcalc -help</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;min-height:13px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Program received signal SIGSEGV: Segmentation fault - invalid memory reference.</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;min-height:13px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Backtrace for this error:</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">#0<span>
</span>0x7f9d43e612ed in ???</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">#1<span>
</span>0x7f9d43e60503 in ???</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">#2<span>
</span>0x7f9d434de03f in ???</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">#3<span>
</span>0x7f9d4362d6c7 in ???</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">#4<span>
</span>0x7f9d4353cb3d in ???</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">#5<span>
</span>0x7f9d43e60a7b in ???</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">#6<span>
</span>0x7f9d43fcbebc in ???</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">#7<span>
</span>0x7f9d43fdba47 in ???</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">#8<span>
</span>0x56098ed4e479 in usage_</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures"><span style="white-space:pre-wrap"></span>at /root/Software_Install/DiFX-2.6.2/applications/difxcalc11/src/dstrt.f:1525</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">#9<span>
</span>0x56098ed5176e in getcl_</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures"><span style="white-space:pre-wrap"></span>at /root/Software_Install/DiFX-2.6.2/applications/difxcalc11/src/dstrt.f:1219</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">#10<span>
</span>0x56098ed4c375 in difxcalc</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures"><span style="white-space:pre-wrap"></span>at /root/Software_Install/DiFX-2.6.2/applications/difxcalc11/src/dmain.f:62</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">#11<span>
</span>0x56098ed01a5e in main</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures"><span style="white-space:pre-wrap"></span>at /root/Software_Install/DiFX-2.6.2/applications/difxcalc11/src/dmain.f:139</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Segmentation fault (core dumped)</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures"><br>
</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures"><br>
</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Any further suggestions? Thank you very much.</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures"><br>
</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Best regards</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Wei</span></div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Sun, Aug 18, 2024 at 10:39 PM Yu, Wei <<a href="mailto:wei.yu@cfa.harvard.edu" target="_blank">wei.yu@cfa.harvard.edu</a>> wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div dir="ltr">Hi Adam,
<div><br>
</div>
<div>Thank you very much for your quick response and suggestions. OK, I will try to use difxcalc tomorrow.</div>
<div><br>
</div>
<div>Best regards</div>
<div>Wei</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Sun, Aug 18, 2024 at 10:35 PM Adam Deller <<a href="mailto:adeller@astro.swin.edu.au" target="_blank">adeller@astro.swin.edu.au</a>> wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div dir="ltr">
<div>Hi Wei,</div>
<div><br>
</div>
<div>Probably this indicates an issue with RPC on your machine. Rather than trying to fix it, I recommend just using difxcalc rather than calcif2 to generate the delay model files. That way you don't need the calc server - difxcalc is a drop-in replacement
for calcif2 without all the hassle.</div>
<div><br>
</div>
<div>Cheers,</div>
<div>Adam<br>
</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Mon, 19 Aug 2024 at 12:28, Yu, Wei via Difx-users <<a href="mailto:difx-users@listmgr.nrao.edu" target="_blank">difx-users@listmgr.nrao.edu</a>> wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div dir="ltr">Hi all,
<div><br>
</div>
<div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">When I tried to run startCalcServer, I encountered the following error.</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures"><br>
</span></div>
<div style="margin:0px;font-style:normal;font-variant-caps:normal;font-weight:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal">
<span style="font-variant-ligatures:no-common-ligatures">terminate CALCServer that is currently running on user-SYS-740P-TR</span></div>
<div style="margin:0px;font-style:normal;font-variant-caps:normal;font-weight:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal">
<span style="font-variant-ligatures:no-common-ligatures">CalcServer: no process found</span></div>
<div style="margin:0px;font-style:normal;font-variant-caps:normal;font-weight:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal">
<span style="font-variant-ligatures:no-common-ligatures">reset environment variables for CALCServer</span></div>
<div style="margin:0px;font-style:normal;font-variant-caps:normal;font-weight:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal">
<span style="font-variant-ligatures:no-common-ligatures">/tmp ~</span></div>
<div style="margin:0px;font-style:normal;font-variant-caps:normal;font-weight:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal">
<span style="font-variant-ligatures:no-common-ligatures">starting new CalcServer on user-SYS-740P-TR</span></div>
<div style="margin:0px;font-style:normal;font-variant-caps:normal;font-weight:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal">
<span style="font-variant-ligatures:no-common-ligatures">checking that the CalcServer responds</span></div>
<p style="margin:0px;font-style:normal;font-variant-caps:normal;font-weight:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal;min-height:13px">
<span style="font-variant-ligatures:no-common-ligatures"><span> </span></span><br>
</p>
<div style="margin:0px;font-style:normal;font-variant-caps:normal;font-weight:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal">
<span style="font-variant-ligatures:no-common-ligatures">user-SYS-740P-TR: RPC: Remote system error - Connection refused</span></div>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures"></span></p>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">ERROR: rpc clnt_create fails for host : user-SYS-740P-TR</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures"><br>
</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures"><br>
</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">user-SYS-740P-TR is my server's name. Does anyone have similar problems? Thank you very much<br>
</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures"><br>
</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Best regards</span></div>
<div style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo">
<span style="font-variant-ligatures:no-common-ligatures">Wei Yu</span></div>
</div>
<div><br>
</div>
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<br>
<span class="gmail_signature_prefix">-- </span><br>
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<div dir="ltr" style="font-size:12.8px">!=============================================================!<br>
<div dir="ltr" style="font-size:12.8px">Prof. Adam Deller </div>
</div>
<div style="font-size:12.8px">Centre for Astrophysics & Supercomputing </div>
<div dir="ltr" style="font-size:12.8px">Swinburne University of Technology <br>
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</blockquote></div><br clear="all"><br><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr" style="font-size:12.8px"><div dir="ltr" style="font-size:12.8px"><div dir="ltr" style="font-size:12.8px"><div dir="ltr" style="font-size:12.8px"><div dir="ltr" style="font-size:12.8px"><div dir="ltr" style="font-size:12.8px">!=============================================================!<br><div dir="ltr" style="font-size:12.8px">Prof. Adam Deller </div></div><div style="font-size:12.8px">Centre for Astrophysics & Supercomputing </div><div dir="ltr" style="font-size:12.8px">Swinburne University of Technology <br>John St, Hawthorn VIC 3122 Australia</div><div style="font-size:12.8px">phone: +61 3 9214 5307</div><div style="font-size:12.8px">fax: +61 3 9214 8797</div><div style="font-size:12.8px">!=============================================================!</div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>