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    <title>topic MPI_Parallel in Intel® MPI Library</title>
    <link>https://community.intel.com/t5/Intel-MPI-Library/MPI-Parallel/m-p/1115518#M5433</link>
    <description>&lt;P&gt;Hello,&lt;/P&gt;

&lt;P&gt;&amp;nbsp; &amp;nbsp;When I run the VASP calculation software, the calculation job was "okay" during one day. After that, some jobs show the following error:&lt;/P&gt;

&lt;P&gt;&lt;SPAN style="color: rgb(68, 68, 68); font-family: 微软雅黑; font-size: 14px;"&gt;[mpiexec@node46.chess.com] HYD_pmcd_pmiserv_send_signal (./pm/pmiserv/pmiserv_cb.c:221): assert (!closed) failed&lt;/SPAN&gt;&lt;/P&gt;

&lt;P&gt;&lt;SPAN style="color: rgb(68, 68, 68); font-family: 微软雅黑; font-size: 14px;"&gt;[mpiexec@node46.chess.com] ui_cmd_cb (./pm/pmiserv/pmiserv_pmci.c:128): unable to send SIGUSR1 downstream&lt;/SPAN&gt;&lt;BR style="color: rgb(68, 68, 68); font-family: 微软雅黑; font-size: 14px;" /&gt;
	&lt;SPAN style="color: rgb(68, 68, 68); font-family: 微软雅黑; font-size: 14px;"&gt;[mpiexec@node46.chess.com] HYDT_dmxu_poll_wait_for_event (./tools/demux/demux_poll.c:77): callback returned error status&lt;/SPAN&gt;&lt;BR style="color: rgb(68, 68, 68); font-family: 微软雅黑; font-size: 14px;" /&gt;
	&lt;SPAN style="color: rgb(68, 68, 68); font-family: 微软雅黑; font-size: 14px;"&gt;[mpiexec@node46.chess.com] HYD_pmci_wait_for_completion (./pm/pmiserv/pmiserv_pmci.c:388): error waiting for event&lt;/SPAN&gt;&lt;BR style="color: rgb(68, 68, 68); font-family: 微软雅黑; font-size: 14px;" /&gt;
	&lt;SPAN style="color: rgb(68, 68, 68); font-family: 微软雅黑; font-size: 14px;"&gt;[mpiexec@node46.chess.com] main (./ui/mpich/mpiexec.c:745): process manager error waiting for completion&lt;/SPAN&gt;&lt;/P&gt;

&lt;P&gt;&amp;nbsp;&lt;/P&gt;

&lt;P&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp;IMPORTANT: sometimes some of jobs are finished without error. some of them cannot be completed with above error. What should I do?&lt;/P&gt;</description>
    <pubDate>Sun, 16 Oct 2016 06:26:17 GMT</pubDate>
    <dc:creator>KaYi_T_</dc:creator>
    <dc:date>2016-10-16T06:26:17Z</dc:date>
    <item>
      <title>MPI_Parallel</title>
      <link>https://community.intel.com/t5/Intel-MPI-Library/MPI-Parallel/m-p/1115518#M5433</link>
      <description>&lt;P&gt;Hello,&lt;/P&gt;

&lt;P&gt;&amp;nbsp; &amp;nbsp;When I run the VASP calculation software, the calculation job was "okay" during one day. After that, some jobs show the following error:&lt;/P&gt;

&lt;P&gt;&lt;SPAN style="color: rgb(68, 68, 68); font-family: 微软雅黑; font-size: 14px;"&gt;[mpiexec@node46.chess.com] HYD_pmcd_pmiserv_send_signal (./pm/pmiserv/pmiserv_cb.c:221): assert (!closed) failed&lt;/SPAN&gt;&lt;/P&gt;

&lt;P&gt;&lt;SPAN style="color: rgb(68, 68, 68); font-family: 微软雅黑; font-size: 14px;"&gt;[mpiexec@node46.chess.com] ui_cmd_cb (./pm/pmiserv/pmiserv_pmci.c:128): unable to send SIGUSR1 downstream&lt;/SPAN&gt;&lt;BR style="color: rgb(68, 68, 68); font-family: 微软雅黑; font-size: 14px;" /&gt;
	&lt;SPAN style="color: rgb(68, 68, 68); font-family: 微软雅黑; font-size: 14px;"&gt;[mpiexec@node46.chess.com] HYDT_dmxu_poll_wait_for_event (./tools/demux/demux_poll.c:77): callback returned error status&lt;/SPAN&gt;&lt;BR style="color: rgb(68, 68, 68); font-family: 微软雅黑; font-size: 14px;" /&gt;
	&lt;SPAN style="color: rgb(68, 68, 68); font-family: 微软雅黑; font-size: 14px;"&gt;[mpiexec@node46.chess.com] HYD_pmci_wait_for_completion (./pm/pmiserv/pmiserv_pmci.c:388): error waiting for event&lt;/SPAN&gt;&lt;BR style="color: rgb(68, 68, 68); font-family: 微软雅黑; font-size: 14px;" /&gt;
	&lt;SPAN style="color: rgb(68, 68, 68); font-family: 微软雅黑; font-size: 14px;"&gt;[mpiexec@node46.chess.com] main (./ui/mpich/mpiexec.c:745): process manager error waiting for completion&lt;/SPAN&gt;&lt;/P&gt;

&lt;P&gt;&amp;nbsp;&lt;/P&gt;

&lt;P&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp;IMPORTANT: sometimes some of jobs are finished without error. some of them cannot be completed with above error. What should I do?&lt;/P&gt;</description>
      <pubDate>Sun, 16 Oct 2016 06:26:17 GMT</pubDate>
      <guid>https://community.intel.com/t5/Intel-MPI-Library/MPI-Parallel/m-p/1115518#M5433</guid>
      <dc:creator>KaYi_T_</dc:creator>
      <dc:date>2016-10-16T06:26:17Z</dc:date>
    </item>
    <item>
      <title> </title>
      <link>https://community.intel.com/t5/Intel-MPI-Library/MPI-Parallel/m-p/1115519#M5434</link>
      <description>&lt;P&gt;&amp;nbsp;&lt;/P&gt;

&lt;P&gt;Hi,&lt;/P&gt;

&lt;P&gt;Could you provide outputs of&lt;/P&gt;

&lt;P&gt;&lt;STRONG&gt;&lt;FONT size="2"&gt;which mpirun&lt;/FONT&gt;&lt;/STRONG&gt;&lt;/P&gt;

&lt;P&gt;&lt;STRONG&gt;&lt;FONT size="2"&gt;env | grep I_MPI&lt;/FONT&gt;&lt;/STRONG&gt;&lt;/P&gt;

&lt;P&gt;then please&amp;nbsp;compile this code &lt;SPAN style="color: rgb(83, 87, 94); text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: Arial, 宋体, Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-weight: normal; word-spacing: 0px; float: none; display: inline !important; white-space: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255); font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px;"&gt;$I_MPI_ROOT/test/test.c &lt;/SPAN&gt;&lt;SPAN style="color: rgb(83, 87, 94); text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: Arial, 宋体, Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-weight: normal; word-spacing: 0px; float: none; display: inline !important; white-space: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255); font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px;"&gt;as &lt;/SPAN&gt;&lt;/P&gt;

&lt;P&gt;&lt;SPAN style="color: rgb(83, 87, 94); text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: Arial, 宋体, Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-weight: normal; word-spacing: 0px; float: none; display: inline !important; white-space: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255); font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px;"&gt;mpiicc -o test.x test.c&lt;/SPAN&gt;&lt;/P&gt;

&lt;P&gt;And then after setting I_MPI_DEBUG=5,&amp;nbsp;you can&amp;nbsp;run&amp;nbsp;executable&amp;nbsp;as, e.g.&amp;nbsp;&lt;/P&gt;

&lt;P&gt;mpirun -verbose -np 10&amp;nbsp;./test.x&lt;/P&gt;

&lt;P&gt;and then please&amp;nbsp;provide output&lt;/P&gt;

&lt;P&gt;Mark&lt;/P&gt;</description>
      <pubDate>Tue, 18 Oct 2016 22:31:12 GMT</pubDate>
      <guid>https://community.intel.com/t5/Intel-MPI-Library/MPI-Parallel/m-p/1115519#M5434</guid>
      <dc:creator>Mark_L_Intel</dc:creator>
      <dc:date>2016-10-18T22:31:12Z</dc:date>
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