<br><br><div class="gmail_quote">On Wed, Jul 24, 2013 at 8:56 AM, Anton Starikov <span dir="ltr"><<a href="mailto:ant.starikov@gmail.com" target="_blank">ant.starikov@gmail.com</a>></span> wrote:<br><blockquote style="margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid" class="gmail_quote">
<br>
It is connectx-3 (MT27500). I checked driver sources, there is no mentioning of log_num_mtt .<br></blockquote><div> </div><div>It's <span style="color:rgb(31,73,125);font-family:"Calibri","sans-serif";font-size:11pt">log_mtts_per_seg, log_mtts_per_seg and it's found in <font color="#000000" size="3" face="Times New Roman">
</font><p style="margin:0in 0in 0pt" class="MsoNormal"><span style="color:rgb(31,73,125);font-family:"Calibri","sans-serif";font-size:11pt">drivers/net/ethernet/mellanox/mlx4/main.c</span></p><font color="#000000" size="3" face="Times New Roman">
</font></span></div><div> </div><blockquote style="margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid" class="gmail_quote">
<div class="HOEnZb"><div class="h5"><br>
On Jul 24, 2013, at 12:46 PM, Hal Rosenstock <<a href="mailto:hal.rosenstock@gmail.com">hal.rosenstock@gmail.com</a>> wrote:<br>
<br>
><br>
><br>
> On Wed, Jul 24, 2013 at 3:31 AM, Anton Starikov <<a href="mailto:ant.starikov@gmail.com">ant.starikov@gmail.com</a>> wrote:<br>
> Hello,<br>
><br>
><br>
> I'm using OFED-3.5-1 with SL-6.4 (I had to do some minor patching to get it working on 2.6.32-358.14.1.el6.x86_64 kernel due to double export of __pskb_copy).<br>
><br>
> OpenMPI give known warning about limit of registrable memory (below). But in current modules there is no "log_num_mtt" parameter to tune.<br>
><br>
> Which HCA are you using ?<br>
><br>
> -- Hal<br>
><br>
><br>
> Just in case, My hard and soft limits for maximal locked memory are unlimited.<br>
><br>
> What should be procedure with latest OFED then?<br>
><br>
> Thank you,<br>
><br>
> Anton Starikov<br>
><br>
> ------------------------------------------<br>
><br>
> WARNING: It appears that your OpenFabrics subsystem is configured to only<br>
> allow registering part of your physical memory. This can cause MPI jobs to<br>
> run with erratic performance, hang, and/or crash.<br>
><br>
> This may be caused by your OpenFabrics vendor limiting the amount of<br>
> physical memory that can be registered. You should investigate the<br>
> relevant Linux kernel module parameters that control how much physical<br>
> memory can be registered, and increase them to allow registering all<br>
> physical memory on your machine.<br>
><br>
> See this Open MPI FAQ item for more information on these Linux kernel module<br>
> parameters:<br>
><br>
> <a href="http://www.open-mpi.org/faq/?category=openfabrics#ib-locked-pages" target="_blank">http://www.open-mpi.org/faq/?category=openfabrics#ib-locked-pages</a><br>
><br>
> Local host: node1<br>
> Registerable memory: 32768 MiB<br>
> Total memory: 262098 MiB<br>
><br>
> Your MPI job will continue, but may be behave poorly and/or hang.<br>
> _______________________________________________<br>
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><br>
<br>
</div></div></blockquote></div><br>