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</o:shapelayout></xml><![endif]--></head><body lang=IT link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US>Hi, <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>I am hitting the following QP error <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:IT'>RDS/IB: send completion on address had status 12, disconnecting and reconnecting</span><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:IT'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>during my application execution on a Linux RHEL5.5 (kernel 2.6.32.32). <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>My application is a 4 nodes distributed client-server program that leverages the RDS features (i.e. sendmsg and recvmsg) only, i.e. without RDMA. I checked all cables connections and they are fine. All IB (Mellanox) drivers were loaded.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Any ideas why RDS returns this error?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Thank you.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div></body></html>