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<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Hi Xiaoping, I cannot reproduce the issue locally, all the fixes for CQE recovery are the part of 22.11.2 already.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Would you mind sharing more information about your setup, test-case and traffic characteristics? Do you have VF/PF MTU mismatch?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Alex<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> Xiaoping Yan (NSB) <xiaoping.yan@nokia-sbell.com>
<br>
<b>Sent:</b> Tuesday, July 4, 2023 10:57 PM<br>
<b>To:</b> Alexander Kozyrev <akozyrev@nvidia.com><br>
<b>Subject:</b> RE: dpdk mlx5 driver crash in rxq_cq_decompress_v<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;font-family:DengXian;mso-fareast-language:ZH-CN">Hi Alex,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;font-family:DengXian;mso-fareast-language:ZH-CN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;font-family:DengXian;mso-fareast-language:ZH-CN">Here is the CQE<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;font-family:DengXian;mso-fareast-language:ZH-CN"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="text-align:justify"><span lang="EN-US" style="font-size:10.5pt;font-family:DengXian;mso-fareast-language:ZH-CN">Br, Xiaoping<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;font-family:DengXian;mso-fareast-language:ZH-CN"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="mso-fareast-language:ZH-CN">From:</span></b><span lang="EN-US" style="mso-fareast-language:ZH-CN"> Alexander Kozyrev <<a href="mailto:akozyrev@nvidia.com">akozyrev@nvidia.com</a>>
<br>
<b>Sent:</b> 2023</span><span lang="ZH-CN" style="font-family:SimSun;mso-fareast-language:ZH-CN">年</span><span lang="EN-US" style="mso-fareast-language:ZH-CN">7</span><span lang="ZH-CN" style="font-family:SimSun;mso-fareast-language:ZH-CN">月</span><span lang="EN-US" style="mso-fareast-language:ZH-CN">5</span><span lang="ZH-CN" style="font-family:SimSun;mso-fareast-language:ZH-CN">日</span><span lang="EN-US" style="mso-fareast-language:ZH-CN">
9:45<br>
<b>To:</b> Matan Azrad <<a href="mailto:matan@nvidia.com">matan@nvidia.com</a>>; Xiaoping Yan (NSB) <<a href="mailto:xiaoping.yan@nokia-sbell.com">xiaoping.yan@nokia-sbell.com</a>>;
<a href="mailto:users@dpdk.org">users@dpdk.org</a>; Dekel Peled <<a href="mailto:dekelp@nvidia.com">dekelp@nvidia.com</a>><br>
<b>Subject:</b> [External] RE: dpdk mlx5 driver crash in rxq_cq_decompress_v<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:ZH-CN"><o:p> </o:p></span></p>
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<b><span lang="EN-US" style="font-size:12.0pt;font-family:"Arial",sans-serif;color:#222222">CAUTION:</span></b><span lang="EN-US" style="font-size:12.0pt;font-family:"Arial",sans-serif;color:#222222"> This is an external email. Please be very careful when clicking
links or opening attachments. See <a href="http://nok.it/nsb">http://nok.it/nsb</a> for additional information.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:SimSun;mso-fareast-language:ZH-CN"><br>
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<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Hi </span><span lang="EN-US" style="mso-fareast-language:ZH-CN">Xiaoping, could you please forward the error CQE dump to me?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:ZH-CN">Would you mind elaborating more on your traffic pattern and test case scenario?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:ZH-CN">The following commit supposed to ignore MTU mismatch error between VF and PF:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">547b239a21 net/mlx5: ignore non-critical syndromes for Rx queue<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Alex<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="mso-fareast-language:ZH-CN">From:</span></b><span lang="EN-US" style="mso-fareast-language:ZH-CN"> Matan Azrad <<a href="mailto:matan@nvidia.com">matan@nvidia.com</a>>
<br>
<b>Sent:</b> Sunday, July 2, 2023 11:35 PM<br>
<b>To:</b> Xiaoping Yan (NSB) <<a href="mailto:xiaoping.yan@nokia-sbell.com">xiaoping.yan@nokia-sbell.com</a>>;
<a href="mailto:users@dpdk.org">users@dpdk.org</a>; Dekel Peled <<a href="mailto:dekelp@nvidia.com">dekelp@nvidia.com</a>>; Alexander Kozyrev <<a href="mailto:akozyrev@nvidia.com">akozyrev@nvidia.com</a>><br>
<b>Subject:</b> Re: dpdk mlx5 driver crash in rxq_cq_decompress_v<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="mso-fareast-language:ZH-CN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:ZH-CN">+ <a id="OWAAM000001" href="mailto:akozyrev@nvidia.com">
<span style="font-family:"Calibri",sans-serif;text-decoration:none">@Alexander Kozyrev</span></a> to suggest.
<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="mso-fareast-language:ZH-CN"><o:p> </o:p></span></p>
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<span lang="HE" style="mso-fareast-language:ZH-CN">קבל </span><span lang="AR-SA" style="mso-fareast-language:ZH-CN"><a href="https://aka.ms/AAb9ysg"><span lang="EN-CA" dir="LTR">Outlook</span><span dir="RTL"></span><span dir="RTL"></span><span lang="HE"><span dir="RTL"></span><span dir="RTL"></span>
עבור </span><span lang="EN-CA" dir="LTR">Android</span><span dir="RTL"></span><span dir="RTL"></span><span lang="HE"><span dir="RTL"></span><span dir="RTL"></span></span></a></span><span dir="LTR" style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="color:black;mso-fareast-language:ZH-CN">From:</span></b><span style="color:black;mso-fareast-language:ZH-CN"> Xiaoping Yan (NSB) <<a href="mailto:xiaoping.yan@nokia-sbell.com">xiaoping.yan@nokia-sbell.com</a>><br>
<b>Sent:</b> Monday, July 3, 2023 4:18:22 AM<br>
<b>To:</b> <a href="mailto:users@dpdk.org">users@dpdk.org</a> <<a href="mailto:users@dpdk.org">users@dpdk.org</a>>; Matan Azrad <<a href="mailto:matan@nvidia.com">matan@nvidia.com</a>>;
<a href="mailto:dekelp@nvidia.com">dekelp@nvidia.com</a> <<a href="mailto:dekelp@nvidia.com">dekelp@nvidia.com</a>><br>
<b>Subject:</b> RE: dpdk mlx5 driver crash in rxq_cq_decompress_v</span><span style="mso-fareast-language:ZH-CN">
<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="mso-fareast-language:ZH-CN"> <o:p></o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:7.5pt;font-family:"Verdana",sans-serif;color:black">External email: Use caution opening links or attachments</span></b><span lang="EN-US" style="font-size:7.5pt;font-family:"Verdana",sans-serif;color:black">
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<p class="MsoNormal"><span style="mso-fareast-language:ZH-CN"><o:p> </o:p></span></p>
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<p class="xmsonormal"><span lang="EN-US" style="mso-fareast-language:ZH-CN">Hi,</span><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="xmsonormal"><span lang="EN-US" style="font-family:"Calibri",sans-serif;mso-fareast-language:ZH-CN"> </span><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="xmsonormal"><span lang="EN-US" style="mso-fareast-language:ZH-CN"><a id="OWAAM4F32193598C54B96899A7C78B433AACA" href="mailto:dekelp@nvidia.com"><span style="font-family:DengXian;text-decoration:none">@'dekelp@nvidia.com'</span></a><a id="OWAAM72C297E17CCC489B9901E36573FE6073" href="mailto:matan@nvidia.com"><span style="font-family:DengXian;text-decoration:none">@'Matan
Azrad'</span></a> Can you kindly suggest?</span><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="xmsonormal"><span lang="EN-US" style="mso-fareast-language:ZH-CN">Thank you.</span><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="xmsonormal"><span lang="EN-US" style="font-family:"Calibri",sans-serif;mso-fareast-language:ZH-CN"> </span><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
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<p class="xmsonormal"><span lang="EN-US" style="mso-fareast-language:ZH-CN">Br, Xiaoping</span><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
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<p class="xmsonormal"><span lang="EN-US" style="font-family:"Calibri",sans-serif;mso-fareast-language:ZH-CN"> </span><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
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<p class="xmsonormal" align="left" style="text-align:left"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:ZH-CN">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:ZH-CN">
Xiaoping Yan (NSB) <br>
<b>Sent:</b> 2023</span><span lang="ZH-CN" style="font-size:11.0pt;font-family:SimSun;mso-fareast-language:ZH-CN">年</span><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:ZH-CN">6</span><span lang="ZH-CN" style="font-size:11.0pt;font-family:SimSun;mso-fareast-language:ZH-CN">月</span><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:ZH-CN">27</span><span lang="ZH-CN" style="font-size:11.0pt;font-family:SimSun;mso-fareast-language:ZH-CN">日</span><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:ZH-CN">
12:11<br>
<b>To:</b> <a href="mailto:users@dpdk.org">users@dpdk.org</a>; 'Matan Azrad' <<a href="mailto:matan@nvidia.com">matan@nvidia.com</a>>; 'dekelp@nvidia.com' <<a href="mailto:dekelp@nvidia.com">dekelp@nvidia.com</a>><br>
<b>Subject:</b> dpdk mlx5 driver crash in rxq_cq_decompress_v</span><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
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<p class="xmsonormal" align="left" style="text-align:left"><span lang="EN-US" style="font-family:"Calibri",sans-serif;mso-fareast-language:ZH-CN"> </span><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="xmsonormal"><span lang="EN-US" style="mso-fareast-language:ZH-CN">Hi,</span><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="xmsonormal"><span lang="EN-US" style="font-family:"Calibri",sans-serif;mso-fareast-language:ZH-CN"> </span><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="xmsonormal"><span lang="EN-US" style="mso-fareast-language:ZH-CN">dpdk version in use: 21.11.2</span><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="xmsonormal"><span lang="EN-US" style="font-family:"Calibri",sans-serif;mso-fareast-language:ZH-CN"> </span><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="xmsonormal"><span lang="EN-US" style="mso-fareast-language:ZH-CN">Mlx5 driver crashes in rxq_cq_decompress_v in traffic test after several minutes.</span><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="xmsonormal"><span lang="EN-US" style="mso-fareast-language:ZH-CN">Stack trace:</span><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="xmsonormal" style="margin-left:10.5pt"><i><span lang="EN-US" style="mso-fareast-language:ZH-CN">(gdb) bt</span></i><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="xmsonormal" style="margin-left:10.5pt"><i><span lang="EN-US" style="mso-fareast-language:ZH-CN">#0</span></i><i><span lang="EN-US" style="font-family:"Calibri",sans-serif;mso-fareast-language:ZH-CN"> </span></i><i><span lang="EN-US" style="mso-fareast-language:ZH-CN">
0x00007ffff58612bc in _mm_storeu_si128 (__B=..., __P=<optimized out>)</span></i><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="xmsonormal" style="margin-left:10.5pt"><i><span lang="EN-US" style="font-family:"Calibri",sans-serif;mso-fareast-language:ZH-CN"> </span></i><i><span lang="EN-US" style="mso-fareast-language:ZH-CN"> at /usr/lib/gcc/x86_64-redhat-linux/12/include/emmintrin.h:739</span></i><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="xmsonormal" style="margin-left:10.5pt"><i><span lang="EN-US" style="mso-fareast-language:ZH-CN">#1</span></i><i><span lang="EN-US" style="font-family:"Calibri",sans-serif;mso-fareast-language:ZH-CN"> </span></i><i><span lang="EN-US" style="mso-fareast-language:ZH-CN">
rxq_cq_decompress_v (rxq=rxq@entry=0x2abe5592f40, cq=cq@entry=0x2abe54fdb00, elts=elts@entry=0x2abe5594638)</span></i><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="xmsonormal" style="margin-left:10.5pt"><i><span lang="EN-US" style="font-family:"Calibri",sans-serif;mso-fareast-language:ZH-CN"> </span></i><i><span lang="EN-US" style="mso-fareast-language:ZH-CN"> at ../dpdk-21.11/drivers/net/mlx5/mlx5_rxtx_vec_sse.h:142</span></i><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="xmsonormal" style="margin-left:10.5pt"><i><span lang="EN-US" style="mso-fareast-language:ZH-CN">#2</span></i><i><span lang="EN-US" style="font-family:"Calibri",sans-serif;mso-fareast-language:ZH-CN"> </span></i><i><span lang="EN-US" style="mso-fareast-language:ZH-CN">
0x00007ffff5862c84 in rxq_burst_v (no_cq=<synthetic pointer>, err=0x7fffffffb848, pkts_n=4, pkts=<optimized out>,
</span></i><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="xmsonormal" style="margin-left:10.5pt"><i><span lang="EN-US" style="font-family:"Calibri",sans-serif;mso-fareast-language:ZH-CN"> </span></i><i><span lang="EN-US" style="mso-fareast-language:ZH-CN">rxq=0x2abe5592f40) at ../dpdk-21.11/drivers/net/mlx5/mlx5_rxtx_vec.c:349</span></i><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="xmsonormal" style="margin-left:10.5pt"><i><span lang="EN-US" style="mso-fareast-language:ZH-CN">#3</span></i><i><span lang="EN-US" style="font-family:"Calibri",sans-serif;mso-fareast-language:ZH-CN"> </span></i><i><span lang="EN-US" style="mso-fareast-language:ZH-CN">
mlx5_rx_burst_vec (dpdk_rxq=0x2abe5592f40, pkts=0x7fffffffbf80, pkts_n=32) at ../dpdk-21.11/drivers/net/mlx5/mlx5_rxtx_vec.c:393</span></i><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="xmsonormal" style="margin-left:10.5pt"><i><span lang="EN-US" style="mso-fareast-language:ZH-CN">#4</span></i><i><span lang="EN-US" style="font-family:"Calibri",sans-serif;mso-fareast-language:ZH-CN"> </span></i><i><span lang="EN-US" style="mso-fareast-language:ZH-CN">
0x00005555556a0f41 in rte_eth_rx_burst (nb_pkts=32, rx_pkts=0x7fffffffbf80, queue_id=0, port_id=1)</span></i><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="xmsonormal" style="margin-left:10.5pt"><i><span lang="EN-US" style="font-family:"Calibri",sans-serif;mso-fareast-language:ZH-CN"> </span></i><i><span lang="EN-US" style="mso-fareast-language:ZH-CN"> at /usr/include/rte_ethdev.h:5721</span></i><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="xmsonormal" style="margin-left:10.5pt"><i><span lang="ZH-CN" style="mso-fareast-language:ZH-CN">…</span></i><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="xmsonormal"><span lang="EN-US" style="mso-fareast-language:ZH-CN">Attached is the error log
</span><span lang="ZH-CN" style="mso-fareast-language:ZH-CN">“</span><span lang="EN-US" style="mso-fareast-language:ZH-CN">Unexpected CQE error syndrome</span><span lang="ZH-CN" style="mso-fareast-language:ZH-CN">…”</span><span lang="EN-US" style="mso-fareast-language:ZH-CN">
and dump file</span><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="xmsonormal"><span lang="EN-US" style="font-family:"Calibri",sans-serif;mso-fareast-language:ZH-CN"> </span><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="xmsonormal"><span lang="EN-US" style="mso-fareast-language:ZH-CN">I found there was a similar bug here:
<a href="https://bugs.dpdk.org/show_bug.cgi?id=334">https://bugs.dpdk.org/show_bug.cgi?id=334</a></span><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="xmsonormal"><span lang="EN-US" style="mso-fareast-language:ZH-CN">But the fix (88c0733535d6 extend Rx completion with error handling) should already been included, as I</span><span lang="ZH-CN" style="mso-fareast-language:ZH-CN">’</span><span lang="EN-US" style="mso-fareast-language:ZH-CN">m
using 21.11.2</span><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="xmsonormal"><span lang="EN-US" style="mso-fareast-language:ZH-CN">Also below commit (fix to 88c0733535d6) is already included in my dpdk version.</span><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="xmsonormal" style="margin-left:10.5pt"><i><span lang="EN-US" style="mso-fareast-language:ZH-CN">commit 60b254e3923d007bcadbb8d410f95ad89a2f13fa</span></i><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="xmsonormal" style="margin-left:10.5pt"><i><span lang="EN-US" style="mso-fareast-language:ZH-CN">Author: Matan Azrad
<a href="mailto:matan@nvidia.com">matan@nvidia.com</a></span></i><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="xmsonormal" style="margin-left:10.5pt"><i><span lang="EN-US" style="mso-fareast-language:ZH-CN">Date:</span></i><i><span lang="EN-US" style="font-family:"Calibri",sans-serif;mso-fareast-language:ZH-CN"> </span></i><i><span lang="EN-US" style="mso-fareast-language:ZH-CN">
Thu Aug 11 19:51:55 2022 +0300</span></i><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="xmsonormal" style="margin-left:10.5pt"><i><span lang="EN-US" style="font-family:"Calibri",sans-serif;mso-fareast-language:ZH-CN"> </span></i><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="xmsonormal" style="margin-left:10.5pt"><i><span lang="EN-US" style="font-family:"Calibri",sans-serif;mso-fareast-language:ZH-CN"> </span></i><i><span lang="EN-US" style="mso-fareast-language:ZH-CN"> net/mlx5: fix Rx queue recovery mechanism</span></i><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="xmsonormal"><span lang="EN-US" style="font-family:"Calibri",sans-serif;mso-fareast-language:ZH-CN"> </span><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="xmsonormal"><span lang="EN-US" style="mso-fareast-language:ZH-CN">Any suggestion?</span><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="xmsonormal"><span lang="EN-US" style="mso-fareast-language:ZH-CN">Thank you.</span><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="xmsonormal"><span lang="EN-US" style="font-family:"Calibri",sans-serif;mso-fareast-language:ZH-CN"> </span><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="xmsonormal"><span lang="EN-US" style="mso-fareast-language:ZH-CN">Br, Xiaoping</span><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="xmsonormal"><span lang="EN-US" style="font-family:"Calibri",sans-serif;mso-fareast-language:ZH-CN"> </span><span style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
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