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<TITLE>What can be the reason for VAPI_WR_FLUSH_ERR when sending from gen2 to gen1</TITLE>
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<P DIR=LTR><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Arial">This seems to</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-gb"> <FONT SIZE=2 FACE="Arial">be</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Arial"> the very last</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-gb"> <FONT SIZE=2 FACE="Arial">little</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Arial"> bug in my</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-gb"> <FONT SIZE=2 FACE="Arial">journey</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Arial"> migrating from gen1 client</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-gb"> <FONT SIZE=2 FACE="Arial">and server to gen2 client</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-gb"> <FONT SIZE=2 FACE="Arial"> and</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-gb"> <FONT SIZE=2 FACE="Arial">gen1 server.</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Arial">While I came over all CM issues I had</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-gb"> <FONT SIZE=2 FACE="Arial">so far (</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Arial">thanks to Sean Heafty</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Arial">)</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-gb"> <FONT SIZE=2 FACE="Arial"> I</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Arial">’</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Arial">m now in the situation that I have a gen2 client connected to a gen1 server via CM.</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Arial">Unfortunately the first IBV_WR_SEND causes a:</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Arial">(syndrome=0xf9=VAPI_WR_FLUSH_ERR , opcode=6=VAPI_CQE_RQ_SEND_DATA)</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-gb"></SPAN></P>
<P DIR=LTR><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Arial">error in the receive completion queue of</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-gb"> <FONT SIZE=2 FACE="Arial">the</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Arial"> server.</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Arial">Doing the</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-gb"> <FONT SIZE=2 FACE="Arial">CM</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-gb"> <FONT SIZE=2 FACE="Arial">connection and the first send</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Arial"> in the opposite direction from gen1 client to gen2 server it is OK.</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Arial">Needless to say that connection and send between gen1 <-> gen1 and gen2<->gen2 is OK as well.</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Arial">I copied Erez Cohen from Mellanox as well.</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-gb"></SPAN></P>
<P DIR=LTR><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Arial">Maybe</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-gb"> <FONT SIZE=2 FACE="Arial">someone</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Arial"> can explain me in more detail what the error is about and how to a</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Arial">void it.</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-gb"></SPAN></P>
<P DIR=LTR><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Arial">Thanks</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Arial">Thomas</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-gb"></SPAN></P>
<P DIR=LTR><SPAN LANG="de"></SPAN><SPAN LANG="en-gb"></SPAN></P>
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