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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Times New Roman","serif";color:#1F497D">On the topic of the next release, did we have a tentative date in mind?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Times New Roman","serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Times New Roman","serif";color:#1F497D">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Times New Roman","serif";color:#1F497D">Ray<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Times New Roman","serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> nvmewin-bounces@lists.openfabrics.org [mailto:nvmewin-bounces@lists.openfabrics.org]
<b>On Behalf Of </b>Chang, Alex<br>
<b>Sent:</b> Tuesday, February 28, 2012 10:07 AM<br>
<b>To:</b> Luse, Paul E; nvmewin@lists.openfabrics.org<br>
<b>Subject:</b> Re: [nvmewin] INTx<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:blue">Thanks, Paul.</span><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:blue">I will do more testing before requesting a patch that includes both changes.</span><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif""> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:blue">Alex</span><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Luse, Paul E
<a href="mailto:[mailto:paul.e.luse@intel.com]">[mailto:paul.e.luse@intel.com]</a>
<br>
<b>Sent:</b> Tuesday, February 28, 2012 5:25 AM<br>
<b>To:</b> Chang, Alex; <a href="mailto:nvmewin@lists.openfabrics.org">nvmewin@lists.openfabrics.org</a><br>
<b>Subject:</b> RE: INTx</span><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#1F497D">I agree, if you are preparing a patch for the INTx lock change you can put this in there as well.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#1F497D">Thx<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#1F497D">Paul<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Chang, Alex
<a href="mailto:[mailto:Alex.Chang@idt.com]">[mailto:Alex.Chang@idt.com]</a> <br>
<b>Sent:</b> Monday, February 27, 2012 4:43 PM<br>
<b>To:</b> Luse, Paul E; <a href="mailto:nvmewin@lists.openfabrics.org">nvmewin@lists.openfabrics.org</a><br>
<b>Subject:</b> RE: INTx<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:blue">There is another bug in IoCompletionDpcRoutine. The Boolean variable "InterruptClaimed" needs to be reset to FALSE when checking next completion queues as below.
Otherwise, it might write some bogus values to the Head Pointer of the queues.</span><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><o:p></o:p></span></p>
<p><span style="font-size:10.0pt">if (InterruptClaimed == TRUE) {</span><o:p></o:p></p>
<p><span style="font-size:10.0pt;color:green"> /* Now update the Completion Head Pointer via Doorbell register */</span><o:p></o:p></p>
<p><span style="font-size:10.0pt"> StorPortWriteRegisterUlong(pAE, pCQI->pCplHDBL, (ULONG)pCQI->CplQHeadPtr);</span><o:p></o:p></p>
<p><span style="font-size:10.0pt"> <span style="color:red">InterruptClaimed = FALSE;</span></span><o:p></o:p></p>
<p><span style="font-size:10.0pt">}</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Luse, Paul E
<a href="mailto:[mailto:paul.e.luse@intel.com]">[mailto:paul.e.luse@intel.com]</a>
<br>
<b>Sent:</b> Monday, February 27, 2012 11:30 AM<br>
<b>To:</b> Chang, Alex; <a href="mailto:nvmewin@lists.openfabrics.org">nvmewin@lists.openfabrics.org</a><br>
<b>Subject:</b> RE: INTx</span><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#1F497D">Hi Alex,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#1F497D">Yep, you need to grab/release the DpcLock instead of the per message lock when in INTx mode – good catch.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#1F497D">Thx<br>
Paul<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Chang, Alex
<a href="mailto:[mailto:Alex.Chang@idt.com]">[mailto:Alex.Chang@idt.com]</a> <br>
<b>Sent:</b> Monday, February 27, 2012 12:02 PM<br>
<b>To:</b> Luse, Paul E; <a href="mailto:nvmewin@lists.openfabrics.org">nvmewin@lists.openfabrics.org</a><br>
<b>Subject:</b> INTx<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:blue">Hi Paul,</span><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif""> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:blue">I believe the newly added DPC scheme crashes the system when using INTx. In IoCompletionDpcRoutine, the driver calls StorPortAcquireMSISpinLock with a specific MsgID
causes blue screen. I should have tested it earlier. Should we call StorPortAcquireSpinLock instead?</span><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif""> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:blue">Thanks,</span><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:blue">Alex</span><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><o:p></o:p></span></p>
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