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<p class="MsoNormal">Hi, Nicholas.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">MVAPICH2 has support for running in VMs.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Could you please send us the output of ibv_devinfo -v on the VM? Do you think it is possible to get temporary remote access to debug the problem ourselves?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Best,<o:p></o:p></p>
<p class="MsoNormal">Hari.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b>From:</b> Mvapich-discuss <mvapich-discuss-bounces@lists.osu.edu>
<b>On Behalf Of </b>Clark, Nicholas - 1002 - MITLL via Mvapich-discuss<br>
<b>Sent:</b> Tuesday, November 30, 2021 4:49 PM<br>
<b>To:</b> mvapich-discuss@lists.osu.edu<br>
<b>Subject:</b> [Mvapich-discuss] MVAPICH 2.3.6 HCA Support for VMXNET3 or PVRDMA VMware Network Adapters<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Does MVPAICH2 have support for running in VMs with VMXNET3 or the PVRDMA network adapter that supports RoCE v1/v2?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Currently with the default build parameters and native rdma-core libraries on RHEL 8.5, I am seeing this message about unknown HCA on both VMXNET3 and PVRDMA:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">[rdma_open_hca] Unknown HCA type: this build of MVAPICH2 does notfully support the HCA found on the system (try with other build options)<o:p></o:p></p>
<p class="MsoNormal">[cli_1]: aborting job:<o:p></o:p></p>
<p class="MsoNormal">Fatal error in MPI_Init:<o:p></o:p></p>
<p class="MsoNormal">Other MPI error, error stack:<o:p></o:p></p>
<p class="MsoNormal">MPIR_Init_thread(493)............:<o:p></o:p></p>
<p class="MsoNormal">MPID_Init(419)...................: channel initialization failed<o:p></o:p></p>
<p class="MsoNormal">MPIDI_CH3_Init(470)..............: rdma_get_control_parameters<o:p></o:p></p>
<p class="MsoNormal">rdma_get_control_parameters(1925): rdma_open_hca<o:p></o:p></p>
<p class="MsoNormal">rdma_open_hca(1080)..............: Failed to open HCA: No such file or directory<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Sincerely,<o:p></o:p></p>
<p class="MsoNormal"><i><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:gray"><img width="82" height="32" style="width:.8541in;height:.3333in" id="Picture_x0020_1" src="cid:image001.jpg@01D7E6A4.DE901AD0" alt="Description: LL"></span></i><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><i><span style="font-size:12.0pt;font-family:"Arial Black",sans-serif;color:gray">Nicholas Clark</span></i><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:gray">MIT Lincoln Laboratory <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:gray">ISR and Tactical Systems Division<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:gray">Embedded and Open Systems Group<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:gray">Systems Administration</span><span style="font-size:8.0pt;font-family:"Times New Roman",serif;color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:gray">244 Wood St., S3-487</span><i><span style="font-family:"Arial",sans-serif;color:gray"><o:p></o:p></span></i></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:gray">Lexington, MA 02421-6426</span><span style="font-size:8.0pt;font-family:"Times New Roman",serif;color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:gray">(O): 781-981-9342</span><span style="font-size:8.0pt;font-family:"Times New Roman",serif;color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#1F497D"><a href="mailto:nicholas.clark@ll.mit.edu"><span style="color:blue">nicholas.clark@ll.mit.edu</span></a></span><span style="font-size:8.0pt;font-family:"Times New Roman",serif;color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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