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Not connects any more when runs on FreeBSD #307

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vgrebenschikov opened this issue Feb 3, 2025 · 1 comment
Open

Not connects any more when runs on FreeBSD #307

vgrebenschikov opened this issue Feb 3, 2025 · 1 comment

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@vgrebenschikov
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tried both stable and master branches - the same:

symptom is following - client try to establish proxy connection just reconnecting in dead cycle, connections are stay in SYN_RCVD on server side:

# netstat -an
Active Internet connections (including servers)
Proto Recv-Q Send-Q Local Address          Foreign Address        (state)
tcp4       0      0 192.168.1.5.8443       79.152.11.215.58418    SYN_RCVD
tcp4       0      0 192.168.1.5.8443       79.152.11.215.58405    SYN_RCVD
tcp4       0      0 192.168.1.5.8443       79.152.11.215.58417    SYN_RCVD
tcp4       0      0 192.168.1.5.8443       79.152.11.215.58403    SYN_RCVD
tcp4       0      0 192.168.1.5.8443       79.152.11.215.58402    SYN_RCVD
tcp4       0      0 192.168.1.5.8443       79.152.11.215.58406    SYN_RCVD
tcp4       0      0 192.168.1.5.8443       79.152.11.215.58411    SYN_RCVD
tcp4       0      0 192.168.1.5.8443       79.152.11.215.58412    SYN_RCVD
tcp4       0      0 192.168.1.5.8443       79.152.11.215.58416    SYN_RCVD
tcp4       0      0 192.168.1.5.8443       79.152.11.215.58419    SYN_RCVD
tcp4       0      0 192.168.1.5.8443       79.152.11.215.58420    SYN_RCVD
tcp4       0      0 192.168.1.5.8443       79.152.11.215.58410    SYN_RCVD
tcp4       0      0 192.168.1.5.8443       79.152.11.215.58404    SYN_RCVD
tcp4       0      0 192.168.1.5.8443       79.152.11.215.58409    SYN_RCVD
tcp4       0      0 192.168.1.5.8443       79.152.11.215.58407    SYN_RCVD
tcp4       0      0 192.168.1.5.8443       79.152.11.215.58408    SYN_RCVD

same time tcpdump:

00:44:52.412017 IP 79.152.11.215.58419 > 192.168.1.5.8443: Flags [S], seq 760053593, win 65535, options [mss 1460,nop,wscale 4,nop,nop,TS val 1997537990 ecr 0,sackOK,eol], length 0
00:44:52.412031 IP 192.168.1.5.8443 > 79.152.11.215.58419: Flags [S.], seq 1482766763, ack 760053594, win 65535, options [mss 1460,nop,wscale 9,sackOK,TS val 2622763014 ecr 1997537990], length 0
00:44:52.412132 IP 79.152.11.215.58417 > 192.168.1.5.8443: Flags [S], seq 626233847, win 65535, options [mss 1460,nop,wscale 4,nop,nop,TS val 1337334466 ecr 0,sackOK,eol], length 0
00:44:52.412150 IP 192.168.1.5.8443 > 79.152.11.215.58417: Flags [S.], seq 3533876257, ack 626233848, win 65535, options [mss 1460,nop,wscale 9,sackOK,TS val 396010531 ecr 1337334466], length 0
00:44:52.412254 IP 79.152.11.215.58416 > 192.168.1.5.8443: Flags [S], seq 1681197040, win 65535, options [mss 1460,nop,wscale 4,nop,nop,TS val 466706081 ecr 0,sackOK,eol], length 0
00:44:52.412269 IP 192.168.1.5.8443 > 79.152.11.215.58416: Flags [S.], seq 1201783732, ack 1681197041, win 65535, options [mss 1460,nop,wscale 9,sackOK,TS val 483667667 ecr 466706081], length 0
00:44:52.428671 IP 79.152.11.215.58420 > 192.168.1.5.8443: Flags [S], seq 4049151282, win 65535, options [mss 1460,nop,wscale 4,nop,nop,TS val 3960332132 ecr 0,sackOK,eol], length 0
00:44:52.428712 IP 192.168.1.5.8443 > 79.152.11.215.58420: Flags [S.], seq 216282623, ack 4049151283, win 65535, options [mss 1460,nop,wscale 9,sackOK,TS val 4076140472 ecr 3960332132], length 0
00:44:52.551722 IP 192.168.1.5.8443 > 79.152.11.215.58410: Flags [S.], seq 2016135819, ack 1554474234, win 65535, options [mss 1460,nop,wscale 9,sackOK,eol], length 0
00:44:52.551762 IP 192.168.1.5.8443 > 79.152.11.215.58411: Flags [S.], seq 2725037137, ack 1084294725, win 65535, options [mss 1460,nop,wscale 9,sackOK,eol], length 0
00:44:52.551776 IP 192.168.1.5.8443 > 79.152.11.215.58412: Flags [S.], seq 96094454, ack 3438680700, win 65535, options [mss 1460,nop,wscale 9,sackOK,eol], length 0
00:44:52.892489 IP 79.152.11.215.58419 > 192.168.1.5.8443: Flags [S], seq 760053593, win 65535, options [mss 1460,nop,wscale 4,nop,nop,TS val 1997538471 ecr 0,sackOK,eol], length 0
00:44:52.892513 IP 79.152.11.215.58418 > 192.168.1.5.8443: Flags [S], seq 1157846065, win 65535, options [mss 1460,nop,wscale 4,nop,nop,TS val 3721339905 ecr 0,sackOK,eol], length 0
00:44:52.892578 IP 192.168.1.5.8443 > 79.152.11.215.58419: Flags [S.], seq 1482766763, ack 760053594, win 65535, options [mss 1460,nop,wscale 9,sackOK,TS val 2622763495 ecr 1997538471], length 0
00:44:52.892591 IP 192.168.1.5.8443 > 79.152.11.215.58418: Flags [S.], seq 3136055881, ack 1157846066, win 65535, options [mss 1460,nop,wscale 9,sackOK,TS val 459485990 ecr 3721339905], length 0
00:44:52.892615 IP 79.152.11.215.58417 > 192.168.1.5.8443: Flags [S], seq 626233847, win 65535, options [mss 1460,nop,wscale 4,nop,nop,TS val 1337334947 ecr 0,sackOK,eol], length 0
00:44:52.892632 IP 192.168.1.5.8443 > 79.152.11.215.58417: Flags [S.], seq 3533876257, ack 626233848, win 65535, options [mss 1460,nop,wscale 9,sackOK,TS val 396011012 ecr 1337334947], length 0
00:44:52.892771 IP 79.152.11.215.58416 > 192.168.1.5.8443: Flags [S], seq 1681197040, win 65535, options [mss 1460,nop,wscale 4,nop,nop,TS val 466706562 ecr 0,sackOK,eol], length 0
00:44:52.892785 IP 192.168.1.5.8443 > 79.152.11.215.58416: Flags [S.], seq 1201783732, ack 1681197041, win 65535, options [mss 1460,nop,wscale 9,sackOK,TS val 483668148 ecr 466706562], length 0
00:44:52.908996 IP 79.152.11.215.58420 > 192.168.1.5.8443: Flags [S], seq 4049151282, win 65535, options [mss 1460,nop,wscale 4,nop,nop,TS val 3960332612 ecr 0,sackOK,eol], length 0
00:44:52.909043 IP 192.168.1.5.8443 > 79.152.11.215.58420: Flags [S.], seq 216282623, ack 4049151283, win 65535, options [mss 1460,nop,wscale 9,sackOK,TS val 4076140955 ecr 3960332612], length 0
00:44:52.951706 IP 192.168.1.5.8443 > 79.152.11.215.58405: Flags [S.], seq 2364384894, ack 1585426640, win 65535, options [mss 1460,nop,wscale 9,sackOK,eol], length 0
00:44:52.951733 IP 192.168.1.5.8443 > 79.152.11.215.58406: Flags [S.], seq 830787523, ack 1756303584, win 65535, options [mss 1460,nop,wscale 9,sackOK,eol], length 0
00:44:52.951743 IP 192.168.1.5.8443 > 79.152.11.215.58407: Flags [S.], seq 1466363301, ack 355757422, win 65535, options [mss 1460,nop,wscale 9,sackOK,eol], length 0
00:44:53.853449 IP 79.152.11.215.58419 > 192.168.1.5.8443: Flags [S], seq 760053593, win 65535, options [mss 1460,sackOK,eol], length 0
00:44:53.853503 IP 192.168.1.5.8443 > 79.152.11.215.58419: Flags [S.], seq 1482766763, ack 760053594, win 65535, options [mss 1460,nop,wscale 9,sackOK,eol], length 0
00:44:53.853558 IP 79.152.11.215.58418 > 192.168.1.5.8443: Flags [S], seq 1157846065, win 65535, options [mss 1460,sackOK,eol], length 0
00:44:53.853573 IP 192.168.1.5.8443 > 79.152.11.215.58418: Flags [S.], seq 3136055881, ack 1157846066, win 65535, options [mss 1460,nop,wscale 9,sackOK,eol], length 0
00:44:53.853676 IP 79.152.11.215.58417 > 192.168.1.5.8443: Flags [S], seq 626233847, win 65535, options [mss 1460,sackOK,eol], length 0
00:44:53.853696 IP 192.168.1.5.8443 > 79.152.11.215.58417: Flags [S.], seq 3533876257, ack 626233848, win 65535, options [mss 1460,nop,wscale 9,sackOK,eol], length 0
00:44:53.853786 IP 79.152.11.215.58416 > 192.168.1.5.8443: Flags [S], seq 1681197040, win 65535, options [mss 1460,sackOK,eol], length 0
00:44:53.853806 IP 192.168.1.5.8443 > 79.152.11.215.58416: Flags [S.], seq 1201783732, ack 1681197041, win 65535, options [mss 1460,nop,wscale 9,sackOK,eol], length 0
00:44:53.870024 IP 79.152.11.215.58420 > 192.168.1.5.8443: Flags [S], seq 4049151282, win 65535, options [mss 1460,sackOK,eol], length 0
00:44:53.870075 IP 192.168.1.5.8443 > 79.152.11.215.58420: Flags [S.], seq 216282623, ack 4049151283, win 65535, options [mss 1460,nop,wscale 9,sackOK,eol], length 0
00:44:54.751737 IP 192.168.1.5.8443 > 79.152.11.215.58412: Flags [S.], seq 96094454, ack 3438680700, win 65535, options [mss 1460,nop,wscale 9,sackOK,eol], length 0
00:44:54.751773 IP 192.168.1.5.8443 > 79.152.11.215.58411: Flags [S.], seq 2725037137, ack 1084294725, win 65535, options [mss 1460,nop,wscale 9,sackOK,eol], length 0
00:44:54.751805 IP 192.168.1.5.8443 > 79.152.11.215.58410: Flags [S.], seq 2016135819, ack 1554474234, win 65535, options [mss 1460,nop,wscale 9,sackOK,eol], length 0
00:44:54.851715 IP 192.168.1.5.8443 > 79.152.11.215.58417: Flags [S.], seq 3533876257, ack 626233848, win 65535, options [mss 1460,nop,wscale 9,sackOK,eol], length 0
00:44:54.851750 IP 192.168.1.5.8443 > 79.152.11.215.58418: Flags [S.], seq 3136055881, ack 1157846066, win 65535, options [mss 1460,nop,wscale 9,sackOK,eol], length 0
00:44:54.851763 IP 192.168.1.5.8443 > 79.152.11.215.58419: Flags [S.], seq 1482766763, ack 760053594, win 65535, options [mss 1460,nop,wscale 9,sackOK,eol], length 0
00:44:54.851775 IP 192.168.1.5.8443 > 79.152.11.215.58416: Flags [S.], seq 1201783732, ack 1681197041, win 65535, options [mss 1460,nop,wscale 9,sackOK,eol], length 0
00:44:54.871735 IP 192.168.1.5.8443 > 79.152.11.215.58420: Flags [S.], seq 216282623, ack 4049151283, win 65535, options [mss 1460,nop,wscale 9,sackOK,eol], length 0
00:44:54.875652 IP 192.168.1.5.8443 > 79.152.11.215.58408: Flags [S.], seq 2284447610, ack 2802224779, win 65535, options [mss 1460,nop,wscale 9,sackOK,eol], length 0
00:44:54.875679 IP 192.168.1.5.8443 > 79.152.11.215.58409: Flags [S.], seq 886105798, ack 1874194736, win 65535, options [mss 1460,nop,wscale 9,sackOK,eol], length 0
00:44:55.774103 IP 79.152.11.215.58419 > 192.168.1.5.8443: Flags [S], seq 760053593, win 65535, options [mss 1460,sackOK,eol], length 0
00:44:55.774119 IP 79.152.11.215.58418 > 192.168.1.5.8443: Flags [S], seq 1157846065, win 65535, options [mss 1460,sackOK,eol], length 0
00:44:55.774172 IP 192.168.1.5.8443 > 79.152.11.215.58419: Flags [S.], seq 1482766763, ack 760053594, win 65535, options [mss 1460,nop,wscale 9,sackOK,eol], length 0
00:44:55.774182 IP 192.168.1.5.8443 > 79.152.11.215.58418: Flags [S.], seq 3136055881, ack 1157846066, win 65535, options [mss 1460,nop,wscale 9,sackOK,eol], length 0
00:44:55.774201 IP 79.152.11.215.58417 > 192.168.1.5.8443: Flags [S], seq 626233847, win 65535, options [mss 1460,sackOK,eol], length 0
00:44:55.774213 IP 192.168.1.5.8443 > 79.152.11.215.58417: Flags [S.], seq 3533876257, ack 626233848, win 65535, options [mss 1460,nop,wscale 9,sackOK,eol], length 0
00:44:55.774355 IP 79.152.11.215.58416 > 192.168.1.5.8443: Flags [S], seq 1681197040, win 65535, options [mss 1460,sackOK,eol], length 0
00:44:55.774371 IP 192.168.1.5.8443 > 79.152.11.215.58416: Flags [S.], seq 1201783732, ack 1681197041, win 65535, options [mss 1460,nop,wscale 9,sackOK,eol], length 0
00:44:55.791208 IP 79.152.11.215.58420 > 192.168.1.5.8443: Flags [S], seq 4049151282, win 65535, options [mss 1460,sackOK,eol], length 0
00:44:55.791264 IP 192.168.1.5.8443 > 79.152.11.215.58420: Flags [S.], seq 216282623, ack 4049151283, win 65535, options [mss 1460,nop,wscale 9,sackOK,eol], length 0
00:44:56.771913 IP 192.168.1.5.8443 > 79.152.11.215.58416: Flags [S.], seq 1201783732, ack 1681197041, win 65535, options [mss 1460,nop,wscale 9,sackOK,eol], length 0
00:44:56.772006 IP 192.168.1.5.8443 > 79.152.11.215.58417: Flags [S.], seq 3533876257, ack 626233848, win 65535, options [mss 1460,nop,wscale 9,sackOK,eol], length 0
00:44:56.772021 IP 192.168.1.5.8443 > 79.152.11.215.58418: Flags [S.], seq 3136055881, ack 1157846066, win 65535, options [mss 1460,nop,wscale 9,sackOK,eol], length 0
00:44:56.772036 IP 192.168.1.5.8443 > 79.152.11.215.58419: Flags [S.], seq 1482766763, ack 760053594, win 65535, options [mss 1460,nop,wscale 9,sackOK,eol], length 0
00:44:56.817965 IP 192.168.1.5.8443 > 79.152.11.215.58420: Flags [S.], seq 216282623, ack 4049151283, win 65535, options [mss 1460,nop,wscale 9,sackOK,eol], length 0

looks like some improper use of uvloop ...
how to dig more?

FreeBSD 14.2
python 3.11
@vgrebenschikov
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Need to say, before one or two years ago it was working fine ...

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