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<p class="MsoNormal"><span style="color:#1F497D">Hello Raymond,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Thank you very much for your suggestion.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Alex Chang has already sent me the application and will start reviewing it soon.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">This is a great help since I was quite lost with the issue
</span><span style="font-family:Wingdings;color:#1F497D">J</span><span style="color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">So thanks again, <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal"><b><span style="font-size:14.0pt;color:#1F497D">Sagi Bar</span></b><b><span style="color:#1F497D"><br>
Test & Tools Staff FW Engineer<br>
</span></b><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:#1F497D"><img width="61" height="12" id="_x0000_i1027" src="cid:image001.png@01CF95DB.3B71E490" alt="cid:image001.png@01CEA3CD.FE1957E0"><br>
</span><span style="color:#7F7F7F">7 Atir Yeda St, Kfar – Saba 44425, Israel<br>
T: +</span><span style="color:gray">972-9-7632774 </span><span style="color:#7F7F7F">| M: +</span><span style="color:gray">972-54-7665567 </span><span style="color:#7F7F7F"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7F7F7F">F: +</span><span style="color:gray">972-3-5488666 </span><span style="color:#7F7F7F"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><a href="mailto:sagi.bar@SanDisk.com">sagi.bar@SanDisk.com</a><o:p></o:p></span></p>
</div>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<div>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in">
<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""> Robles, Raymond C [mailto:raymond.c.robles@intel.com]
<br>
<b>Sent:</b> Tuesday, July 01, 2014 11:16 PM<br>
<b>To:</b> Sagi Bar; nvmewin@lists.openfabrics.org<br>
<b>Subject:</b> [WARNING - ENCRYPTED ATTACHMENT NOT VIRUS SCANNED] RE: [nvmewin] Issues with sending NVME IDENTIFY command using the community driver<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="color:#44546A">Hello Sagi,</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#44546A"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#44546A">I just submitted a sample application that sends pass through IOCTLs to this distribution. Alex Chang from PCMS (the NVMe Windows maintainer) will be adding it to the repo soon.
</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#44546A"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#44546A">In the meantime, I’ve attached it here (zip password is intel1234). The sample app is very basic and just has an example of how to discover the SCSI address of your controller and send an Identify Controller
via a pass through IOCTL.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#44546A"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#44546A">Thanks,</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#44546A">Ray</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#44546A"> </span><o:p></o:p></p>
<div>
<div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b>From:</b> <a href="mailto:nvmewin-bounces@lists.openfabrics.org">
nvmewin-bounces@lists.openfabrics.org</a> [<a href="mailto:nvmewin-bounces@lists.openfabrics.org">mailto:nvmewin-bounces@lists.openfabrics.org</a>]
<b>On Behalf Of </b>Sagi Bar<br>
<b>Sent:</b> Tuesday, July 01, 2014 6:57 AM<br>
<b>To:</b> <a href="mailto:nvmewin@lists.openfabrics.org">nvmewin@lists.openfabrics.org</a><br>
<b>Subject:</b> [nvmewin] Issues with sending NVME IDENTIFY command using the community driver<o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Hello All,</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">My name is Sagi and I am quite new to NVME, actually making my first steps.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p><span style="color:#1F497D">I am currently trying to send an NVME IDNTIFY command to the device, but unfortunately I keep getting “</span>The request could not be performed because of an I/O device error.”.<o:p></o:p></p>
<p><span style="color:#1F497D">The code I am using is largely taken from PT_IOCTL document.</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
<span style="color:blue">#define</span> <span style="color:#010001">NVME_PT_TIMEOUT</span> 240</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
<span style="color:#010001">BOOL</span> <span style="color:#010001">Status</span> = 0;</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
<span style="color:#010001">DWORD</span> <span style="color:#010001">Count</span> = 0;</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
<span style="color:#010001">DWORD</span> <span style="color:#010001">InputBufLen</span> = 0;</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
<span style="color:#010001">DWORD</span> <span style="color:#010001">OutputBufLen</span> = 0;</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
<span style="color:#010001">PNVME_PASS_THROUGH_IOCTL</span> <span style="color:#010001">
pInBuffer</span> = <span style="color:#010001">NULL</span>;</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
<span style="color:#010001">PNVME_PASS_THROUGH_IOCTL</span> <span style="color:#010001">
pOutBuffer</span> = <span style="color:#010001">NULL</span>;</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
<span style="color:#010001">DWORD</span> <span style="color:#010001">size_of_identify_buffer</span> =0x1000;
<span style="color:green">//4k</span></span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";color:green;background:white;mso-highlight:white"> </span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
<span style="color:green">/* Allocate input buffer to accommodate size of NVME_PASS_THRUGH_IOCTL only */</span></span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
<span style="color:#010001">InputBufLen</span> = <span style="color:blue">sizeof</span>(<span style="color:#010001">NVME_PASS_THROUGH_IOCTL</span>);</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
<span style="color:#010001">pInBuffer</span> = (<span style="color:#010001">PNVME_PASS_THROUGH_IOCTL</span>)
<span style="color:#010001">malloc</span>(<span style="color:#010001">InputBufLen</span>);
</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white"> </span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
<span style="color:green">/* Allocate output buffer to accommodate size of NVME_PASS_THRUGH_IOCTL and data */</span></span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
<span style="color:#010001">OutputBufLen</span> = <span style="color:blue">sizeof</span>(<span style="color:#010001">NVME_PASS_THROUGH_IOCTL</span>) +
<span style="color:#010001">size_of_identify_buffer</span> - 1;</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
<span style="color:#010001">pOutBuffer</span> = (<span style="color:#010001">PNVME_PASS_THROUGH_IOCTL</span>)
<span style="color:#010001">malloc</span>(<span style="color:#010001">OutputBufLen</span>);
</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white"> </span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white"> </span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
<span style="color:blue">if</span> (<span style="color:#010001">pInBuffer</span> ==
<span style="color:#010001">NULL</span> || <span style="color:#010001">pOutBuffer</span> ==
<span style="color:#010001">NULL</span>)</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white"> {</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
<span style="color:#010001">cout</span><<<span style="color:#A31515">"ERROR allocating buffers for identify command \n"</span>;</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
<span style="color:blue">return</span> <span style="color:#010001">ERROR_INVALID_PARAM</span>;</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white"> }</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
<span style="color:green">/* Zero out the buffers */</span></span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
<span style="color:#010001">memset</span>(<span style="color:#010001">pInBuffer</span>, 0,
<span style="color:#010001">InputBufLen</span>);</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
<span style="color:#010001">memset</span>(<span style="color:#010001">pOutBuffer</span>, 0,
<span style="color:#010001">OutputBufLen</span>);</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white"> </span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white"> </span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
<span style="color:green">/* Populate SRB_IO_CONTROL fields in input buffer */</span></span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
<span style="color:#010001">pInBuffer</span>-><span style="color:#010001">SrbIoCtrl</span>.<span style="color:#010001">ControlCode</span> = (<span style="color:#010001">ULONG</span>)<span style="color:#010001">NVME_PASS_THROUGH_SRB_IO_CODE</span>;</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
<span style="color:#010001">pInBuffer</span>-><span style="color:#010001">SrbIoCtrl</span>.<span style="color:#010001">HeaderLength</span> =
<span style="color:blue">sizeof</span>(<span style="color:#010001">SRB_IO_CONTROL</span>);</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white"> </span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
<span style="color:#010001">memcpy</span>((<span style="color:#010001">UCHAR</span>*)(&<span style="color:#010001">pInBuffer</span>-><span style="color:#010001">SrbIoCtrl</span>.<span style="color:#010001">Signature</span>[0]),
<span style="color:#010001">NVME_SIG_STR</span>, <span style="color:#010001">NVME_SIG_STR_LEN</span>);</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
<span style="color:#010001">pInBuffer</span>-><span style="color:#010001">SrbIoCtrl</span>.<span style="color:#010001">Timeout</span> =
<span style="color:#010001">NVME_PT_TIMEOUT</span>;</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
<span style="color:#010001">pInBuffer</span>-><span style="color:#010001">SrbIoCtrl</span>.<span style="color:#010001">Length</span> =
<span style="color:#010001">InputBufLen</span> - <span style="color:blue">sizeof</span>(<span style="color:#010001">SRB_IO_CONTROL</span>);</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white"> </span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
<span style="color:#010001">pInBuffer</span>-><span style="color:#010001">Direction</span> =
<span style="color:#010001">NVME_FROM_DEV_TO_HOST</span>;</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
<span style="color:#010001">pInBuffer</span>-><span style="color:#010001">NVMeCmd</span>[0]=0x6;</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
<span style="color:#010001">pInBuffer</span>-><span style="color:#010001">NVMeCmd</span>[10]=0x1;</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white"> </span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white"> </span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
<span style="color:#010001">pInBuffer</span>-><span style="color:#010001">DataBufferLen</span> =
<span style="color:#010001">ByteSizeTX</span>;</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
<span style="color:#010001">pInBuffer</span>-><span style="color:#010001">ReturnBufferLen</span>=<span style="color:#010001">OutputBufLen</span>;</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white"> </span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
<span style="color:#010001">Status</span> = <span style="color:#010001">DeviceIoControl</span>(</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
<span style="color:#010001">disk_handle</span>, <span style="color:green">
/* Handle to <a href="file:///\\.\scsi">\\.\scsi</a> device via CreateFile */</span></span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
<span style="color:#010001">IOCTL_SCSI_MINIPORT</span>, <span style="color:green">
/* IO control function to a miniport driver */</span></span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
<span style="color:#010001">pInBuffer</span> , <span style="color:green">
/* Input buffer with data sent to driver */</span></span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
<span style="color:#010001">InputBufLen</span>, <span style="color:green">
/* Length of data sent to driver (in bytes) */</span></span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
<span style="color:#010001">pOutBuffer</span>, <span style="color:green">
/* Output buffer with data received from driver */</span></span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
<span style="color:#010001">OutputBufLen</span>, <span style="color:green">
/* Length of data received from driver */</span></span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white"> &<span style="color:#010001">Count</span>,
<span style="color:green">/* Bytes placed in DataBuffer */</span></span><o:p></o:p></p>
<p><span style="font-family:"Verdana","sans-serif";background:white;mso-highlight:white">
<span style="color:#010001">NULL</span>); <span style="color:green">
/* NULL = no overlap */</span></span><o:p></o:p></p>
<p><span style="font-family:"Verdana","sans-serif";color:green"> </span><o:p></o:p></p>
<p><span style="color:#1F497D">In addition, I have launched “DebugView” on the test machine and I seem to get the following messages, produced by sending the IOCTL</span><o:p></o:p></p>
<p><span style="color:#1F497D">“</span><o:p></o:p></p>
<p><span style="color:#1F497D">55461250000 - STORMINI: NVMeProcessIoctl: Code = 0xe0002000, Signature = 0xNvmeMinið</span><o:p></o:p></p>
<p><span style="color:#1F497D">55461250000 - STORMINI: NVMeGetPhysAddr: <Error> Invalid phys addr.</span><o:p></o:p></p>
<p><span style="color:#1F497D">“</span><o:p></o:p></p>
<p><span style="color:#1F497D">Can you please help me to understand what am I doing wrong ?
</span><o:p></o:p></p>
<p><span style="color:#1F497D"> </span><o:p></o:p></p>
<p>Thank you, <o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><b><span style="font-size:14.0pt;color:#1F497D">Sagi Bar</span><span style="color:#1F497D"><br>
Test & Tools Staff FW Engineer<br>
</span></b><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:#1F497D"><img border="0" width="61" height="12" id="Picture_x0020_1" src="cid:image001.png@01CF95DB.3B71E490" alt="cid:image001.png@01CEA3CD.FE1957E0"><br>
</span><span style="color:#7F7F7F">7 Atir Yeda St, Kfar – Saba 44425, Israel<br>
T: +</span><span style="color:gray">972-9-7632774 </span><span style="color:#7F7F7F">| M: +</span><span style="color:gray">972-54-7665567 </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#7F7F7F">F: +</span><span style="color:gray">972-3-5488666 </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"><a href="mailto:sagi.bar@SanDisk.com">sagi.bar@SanDisk.com</a></span><o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif""> </span><o:p></o:p></p>
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