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<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt">2021/03/03 19:34:49 [debug] 176572#0: *19974 recvmsg: 111.206.214.32:59242 fd:12 n:1350<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt">2021/03/03 19:34:49 [debug] 176572#0: *19974 quic run<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt">2021/03/03 19:34:49 [debug] 176572#0: *19974 quic packet rx long flags:c8 version:ff00001d<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt">2021/03/03 19:34:49 [debug] 176572#0: *19974 quic packet rx init len:1332<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt">2021/03/03 19:34:49 [debug] 176572#0: *19974 quic packet rx dcid len:8 92545cbefeb0567c<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt">2021/03/03 19:34:49 [debug] 176572#0: *19974 quic packet rx scid len:0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt">2021/03/03 19:34:49 [debug] 176572#0: *19974 quic address validation token len:0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt">2021/03/03 19:34:49 [debug] 176572#0: *19974 sendmsg: 107 of 107<o:p></o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.5pt;color:red">2021/03/03 19:34:49 [debug] 176572#0: *19974 quic retry packet sent to<o:p></o:p></span></b></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt">2021/03/03 19:34:49 [debug] 176572#0: *19974 quic packet init done decr:0 pn:0 perr:0 rc:-4<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt">2021/03/03 19:34:49 [debug] 176572#0: *19974 quic ngx_quic_close_connection rc:-4<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt">2021/03/03 19:34:49 [debug] 176572#0: *19974 reusable connection: 0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt">2021/03/03 19:34:49 [debug] 176572#0: *19974 free: 000056414CFB9160<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt">2021/03/03 19:34:49 [debug] 176572#0: *19974 free: 000056414CFC9580, unused: 74<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;color:black">Code:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;color:black">ngx_log_debug(NGX_LOG_DEBUG_EVENT, c->log, 0,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;color:black"> "quic retry packet sent to %xV", &pkt.dcid);<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt">Bug produce step:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt">1, copy <a href="https://quic.nginx.org/quic.html">
https://quic.nginx.org/quic.html</a> to localhost<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt">2, visit <a href="https://localhost/quic.html">
https://localhost/quic.html</a> by chrome --enable-quic --quic-version=h3-29<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt">3, run test script, and reload nginx multi times meanwhile<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt">4, chrome stuck for a while, and some request fails, some change to http2<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt">5, check nginx error log, quic retry
<b><span style="color:red">log no dcid</span></b><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt">Info:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt">sbin/nginx -V<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt">nginx version: nginx/1.19.7<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt">built by gcc 8.4.0 (Ubuntu 8.4.0-3ubuntu2)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt">built with OpenSSL 1.1.1 (compatible; BoringSSL) (running with BoringSSL)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt">TLS SNI support enabled<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt">configure arguments: --with-debug --with-http_v3_module --with-http_quic_module --with-cc-opt=-I../boringssl/include --with-ld-opt='-L../boringssl/build/ssl -L../boringssl/build/crypto'<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:black">Gao,Yan(ACG VCP)
</span><span lang="EN-US"><o:p></o:p></span></p>
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