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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Sorry, about the previous email, it was
sent by mistake …<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>I believe that the problem is that the <span
class=SpellE>min_rnr_timer</span> value is 0 (which means infinite timeout
between the <span class=SpellE>rnr</span> retries) and there is <span
class=SpellE>rnr</span> <span class=SpellE>nak</span> between the two sides
(because you don’t sync between the sides, and this is the reason for the
empty CQ …<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Let me describe the problem:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>The sender sent a send message which
should consume RR (Receive Request) at the receiver side, but when the message
have reached to the receiver there wasn’t any RR in the RQ, so he sent to
the sender <span class=SpellE>rnr-nack</span>, the sender got the <span
class=SpellE>rnr-nack</span> and is waiting the <span class=SpellE>min_rnr_timer</span>
which is infinite …<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>You should do the following things:<o:p></o:p></span></font></p>
<ul style='mso-margin-top-alt:0in' type=disc>
<li class=MsoNormal style='color:navy;mso-list:l4 level1 lfo13;tab-stops:list .5in'><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:
Arial'>Put a non zero value in the <span class=SpellE>min_rnr_timer</span>
(you may get completion with bad status: <span class=SpellE>rnr</span> exceeded
if the receiver won’t be ready in time …)<o:p></o:p></span></font></li>
<li class=MsoNormal style='color:navy;mso-list:l4 level1 lfo13;tab-stops:list .5in'><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:
Arial'>Post RR in the responder in the init state<o:p></o:p></span></font></li>
<li class=MsoNormal style='color:navy;mso-list:l4 level1 lfo13;tab-stops:list .5in'><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:
Arial'>Optional: sync between the sides (post SR at the sender only when
there is RR in the receiver side).<o:p></o:p></span></font></li>
</ul>
<p class=MsoNormal><font size=3 color=navy face="Times New Roman"><span
style='font-size:12.0pt;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><span class=SpellE><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'>Dotan</span></font></span><br>
<span style='mso-spacerun:yes'> </span><o:p></o:p></p>
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