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<p class="MsoNormal"><span lang="EN-US">Hi,<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">dpdk version in use: 21.11.2<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">Mlx5 driver crashes in rxq_cq_decompress_v in traffic test after several minutes.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Stack trace:<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:10.5pt;mso-para-margin-left:1.0gd"><i><span lang="EN-US">(gdb) bt<o:p></o:p></span></i></p>
<p class="MsoNormal" style="margin-left:10.5pt;mso-para-margin-left:1.0gd"><i><span lang="EN-US">#0 0x00007ffff58612bc in _mm_storeu_si128 (__B=..., __P=<optimized out>)<o:p></o:p></span></i></p>
<p class="MsoNormal" style="margin-left:10.5pt;mso-para-margin-left:1.0gd"><i><span lang="EN-US"> at /usr/lib/gcc/x86_64-redhat-linux/12/include/emmintrin.h:739<o:p></o:p></span></i></p>
<p class="MsoNormal" style="margin-left:10.5pt;mso-para-margin-left:1.0gd"><i><span lang="EN-US">#1 rxq_cq_decompress_v (rxq=rxq@entry=0x2abe5592f40, cq=cq@entry=0x2abe54fdb00, elts=elts@entry=0x2abe5594638)<o:p></o:p></span></i></p>
<p class="MsoNormal" style="margin-left:10.5pt;mso-para-margin-left:1.0gd"><i><span lang="EN-US"> at ../dpdk-21.11/drivers/net/mlx5/mlx5_rxtx_vec_sse.h:142<o:p></o:p></span></i></p>
<p class="MsoNormal" style="margin-left:10.5pt;mso-para-margin-left:1.0gd"><i><span lang="EN-US">#2 0x00007ffff5862c84 in rxq_burst_v (no_cq=<synthetic pointer>, err=0x7fffffffb848, pkts_n=4, pkts=<optimized out>,
<o:p></o:p></span></i></p>
<p class="MsoNormal" style="margin-left:10.5pt;mso-para-margin-left:1.0gd"><i><span lang="EN-US"> rxq=0x2abe5592f40) at ../dpdk-21.11/drivers/net/mlx5/mlx5_rxtx_vec.c:349<o:p></o:p></span></i></p>
<p class="MsoNormal" style="margin-left:10.5pt;mso-para-margin-left:1.0gd"><i><span lang="EN-US">#3 mlx5_rx_burst_vec (dpdk_rxq=0x2abe5592f40, pkts=0x7fffffffbf80, pkts_n=32) at ../dpdk-21.11/drivers/net/mlx5/mlx5_rxtx_vec.c:393<o:p></o:p></span></i></p>
<p class="MsoNormal" style="margin-left:10.5pt;mso-para-margin-left:1.0gd"><i><span lang="EN-US">#4 0x00005555556a0f41 in rte_eth_rx_burst (nb_pkts=32, rx_pkts=0x7fffffffbf80, queue_id=0, port_id=1)<o:p></o:p></span></i></p>
<p class="MsoNormal" style="margin-left:10.5pt;mso-para-margin-left:1.0gd"><i><span lang="EN-US"> at /usr/include/rte_ethdev.h:5721<o:p></o:p></span></i></p>
<p class="MsoNormal" style="margin-left:10.5pt;mso-para-margin-left:1.0gd"><i><span lang="EN-US">…</span></i><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Attached is the error log “Unexpected CQE error syndrome…” and dump file<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">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><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">But the fix (88c0733535d6 extend Rx completion with error handling) should already been included, as I’m using 21.11.2<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Also below commit (fix to 88c0733535d6) is already included in my dpdk version.<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:10.5pt;mso-para-margin-left:1.0gd"><i><span lang="EN-US">commit 60b254e3923d007bcadbb8d410f95ad89a2f13fa<o:p></o:p></span></i></p>
<p class="MsoNormal" style="margin-left:10.5pt;mso-para-margin-left:1.0gd"><i><span lang="EN-US">Author: Matan Azrad
<a href="mailto:matan@nvidia.com">matan@nvidia.com</a><o:p></o:p></span></i></p>
<p class="MsoNormal" style="margin-left:10.5pt;mso-para-margin-left:1.0gd"><i><span lang="EN-US">Date: Thu Aug 11 19:51:55 2022 +0300<o:p></o:p></span></i></p>
<p class="MsoNormal" style="margin-left:10.5pt;mso-para-margin-left:1.0gd"><i><span lang="EN-US"><o:p> </o:p></span></i></p>
<p class="MsoNormal" style="margin-left:10.5pt;mso-para-margin-left:1.0gd"><i><span lang="EN-US"> net/mlx5: fix Rx queue recovery mechanism</span></i><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">Any suggestion?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Thank you.<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">Br, Xiaoping<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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