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<p class="MsoNormal"><span lang="EN-US">Dear Sir/Madam,<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">We are facing compatibility issue on our PS5007 NVMe device with recent 1.5 version nvme driver.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Please check below issue description.<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">Phison PS5007 supports 7 IO queues, and if we use PS5007 with OFA driver on the platform core number>7, ex: 8-core or 12-core PC, we will see PC hang up and cannot enter OS like below:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><img width="538" height="302" style="width:5.6041in;height:3.1458in" id="_x0000_i1025" src="cid:image001.jpg@01D2D56F.5A9D7380"><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">After debugging on our side, we found the fail is caused by below flow:<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>
<ol style="margin-top:0cm" start="1" type="1">
<li class="MsoNormal" style="margin-left:-18.0pt;mso-list:l0 level1 lfo3"><span lang="EN-US">SntiTranslateModeSense()<o:p></o:p></span></li></ol>
<p class="MsoListParagraph" style="margin-left:18.0pt;mso-para-margin-left:0gd"><span lang="EN-US">……….<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2.IoCompletionRoutine()<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> if (pDpc != NULL) {<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> ASSERT(pAE->ntldrDump == FALSE);<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> if (<span style="color:red">pAE->MultipleCoresToSingleQueueFlag</span>) {<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <span style="color:red">StorPortAcquireSpinLock(pAE, StartIoLock, NULL, &StartLockHandle); --------------------</span></span><span lang="EN-US" style="font-family:Wingdings;color:red">à</span><span lang="EN-US" style="color:red">
execute lock<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> } else {<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> StorPortAcquireSpinLock(pAE, DpcLock, pDpc, &DpcLockhandle);<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">callStorportNotification = pSrbExtension->pNvmeCompletionRoutine(pAE, (PVOID)pSrbExtension)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> && (pSrbExtension->pSrb != NULL);<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">3.SntiTranslateModeSenseResponse()<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;mso-para-margin-left:0gd"><span lang="EN-US">…….<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">case MODE_SENSE_RETURN_ALL:<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">if (supportsVwc == TRUE) {<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"> pSrbExt->pNvmeCompletionRoutine = SntiCompletionCallbackRoutine;<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"> /* Finally, make sure we issue the GET FEATURES command */<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> SntiBuildGetFeaturesCmd(pSrbExt, VOLATILE_WRITE_CACHE);<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"> ioStarted =
<span style="color:red">ProcessIo</span>(pSrbExt->pNvmeDevExt,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> pSrbExt,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> NVME_QUEUE_TYPE_ADMIN,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">
<span style="color:red">TRUE</span>);<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">4.ProcessIo() <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"> if (<span style="color:red">AcquireLock == TRUE</span>) {<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <span style="color:red">StorPortAcquireSpinLock</span>(pAdapterExtension,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> StartIoLock,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> NULL,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> &hStartIoLock);
<span style="color:red">----------------------</span></span><span lang="EN-US" style="font-family:Wingdings;color:red">à</span><span lang="EN-US" style="color:red"> double execute lock and cause (Assertion failure - code c0000420)</span><span lang="EN-US" style="color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:red"><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">Since many users are now using our PS5007 device with 8-core or 12-core PC, they are facing this issue right now. Could you please help to modify driver to solve this problem asap?<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">Any unclear point, please kindly let us know.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Thank you very much for the help!<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">Best Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Justina Lai<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">#5707<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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