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<DIV dir=ltr align=left><SPAN class=740111617-31032008><FONT face=Arial
color=#0000ff size=2>Plain and simple - Linux and Windows can not successfully
communicate over IB QPs unless you are using the DAPL socket CM
provider.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=740111617-31032008><FONT face=Arial
color=#0000ff size=2>The problem is differences in the CM wire protocols between
Linux & Windows; specifically format and handling of private
data.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=740111617-31032008><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=740111617-31032008><FONT face=Arial
color=#0000ff size=2>If your application were to exchange QP information over
sockets and both sides set identical QP attributes, and transitioned QP states
manually (all of what a CM does), then you can communicate Linux to Windows over
IB QPs. Not a recommended approach, highly prone to errors.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=740111617-31032008><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=740111617-31032008><FONT face=Arial
color=#0000ff size=2>This problem is being addressed by Sean Hefty as he is
migrating a variant of Linux rdma_cm into the Windows IB
stack.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=740111617-31032008><FONT face=Arial
color=#0000ff size=2>The work is ongoing and not scheduled to be ready until
Aug/Sept. time frame.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=740111617-31032008><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=740111617-31032008><FONT face=Arial
color=#0000ff size=2>stan.</FONT></SPAN></DIV><BR>
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left>
<HR tabIndex=-1>
<FONT face=Tahoma size=2><B>From:</B> ofw-bounces@lists.openfabrics.org
[mailto:ofw-bounces@lists.openfabrics.org] <B>On Behalf Of </B>Ben
Shapiro<BR><B>Sent:</B> Monday, March 31, 2008 5:58 AM<BR><B>To:</B>
ofw@lists.openfabrics.org<BR><B>Subject:</B> [ofw] ***SPAM*** error between
Linux and Windows 2003<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV class=Section1>
<P class=MsoNormal>Has anyone run into this problem before:<o:p></o:p></P>
<P class=MsoNormal><o:p> </o:p></P>
<P class=MsoNormal>> I was attempting to do some Infiniband testing between a
Windows 2003 <o:p></o:p></P>
<P class=MsoNormal>> server and a SLES10 box using ib_send_bw. I got some
error <o:p></o:p></P>
<P class=MsoNormal>> messages/statuses. Is there any documentation out there
where I could <o:p></o:p></P>
<P class=MsoNormal>> look up the error messages?<o:p></o:p></P>
<P class=MsoNormal>><o:p> </o:p></P>
<P class=MsoNormal>> I tried it both ways and here are the error message I
got (not sure <o:p></o:p></P>
<P class=MsoNormal>> which was which way):<o:p></o:p></P>
<P class=MsoNormal>><o:p> </o:p></P>
<P class=MsoNormal>> Completion wth error at client:<o:p></o:p></P>
<P class=MsoNormal>><o:p> </o:p></P>
<P class=MsoNormal>> Failed status 12: wr_id 1 syndrom 0x81 Scnt=300
ccnt=0<o:p></o:p></P>
<P class=MsoNormal>><o:p> </o:p></P>
<P class=MsoNormal>> Completion wth error at client:<o:p></o:p></P>
<P class=MsoNormal>><o:p> </o:p></P>
<P class=MsoNormal>> Failed status 9: wr_id 1 syndrom 0x81<o:p></o:p></P>
<P class=MsoNormal>> Scnt=1000 ccnt=0<o:p></o:p></P></DIV></BODY></HTML>