matttbe
commented
1 week ago It looks like we just got it a second time (after 64 other attempts without issues):
# INFO: disconnect
# 63 ns1 MPTCP -> ns1 (10.0.1.1:20001 ) MPTCP copyfd_io_poll: poll timed out (events: POLLIN 1, POLLOUT 4)
# copyfd_io_poll: poll timed out (events: POLLIN 1, POLLOUT 4)
# main_loop_s: timed out
# (duration 60609ms) [FAIL] client exit code 2, server 2
#
# netns ns1-P3Kvbz socket stat for 20001:
# Failed to find cgroup2 mount
# Failed to find cgroup2 mount
# Failed to find cgroup2 mount
# Netid State Recv-Q Send-Q Local Address:Port Peer Address:Port
# tcp ESTAB 0 0 10.0.1.1:20001 10.0.1.1:43290 ino:0 sk:1007 cgroup:unreachable:1 <->
# ts sack cubic wscale:7,7 rto:201 rtt:0.439/0.265 ato:40 mss:32768 pmtu:65535 rcvmss:32740 advmss:65483 cwnd:10 bytes_sent:1688748 bytes_acked:1688748 bytes_received:1570404 segs_out:131 segs_in:123 data_segs_out:94 data_segs_in:88 send 5971389522bps lastsnd:60804 lastrcv:60804 lastack:60803 pacing_rate 11929192256bps delivery_rate 714288824bps delivered:95 busy:20ms rcv_rtt:0.8 rcv_space:65483 rcv_ssthresh:65536 minrtt:0.085 tcp-ulp-mptcp flags:Mec token:0000(id:0)/e7baab78(id:0) seq:d8de468b32ba23f7 sfseq:17f62d ssnoff:d63f6e86 maplen:38
# mptcp FIN-WAIT-1 0 0 10.0.1.1:20001 10.0.1.1:43290 timer:(keepalive,59sec,0) ino:0 sk:3004 cgroup:unreachable:1 ---
# subflows_max:2 remote_key token:e7baab78 write_seq:12549881151337605123 snd_una:12549881151335869614 rcv_nxt:15627005320687658031 bytes_sent:1688748 bytes_received:1570404 bytes_acked:1688748 subflows_total:1 last_data_sent:60815 last_data_recv:60815 last_ack_recv:60814
# TcpActiveOpens 1 0.0
# TcpPassiveOpens 1 0.0
# TcpInSegs 255 0.0
# TcpOutSegs 255 0.0
# TcpExtTCPPureAcks 71 0.0
# TcpExtTCPFromZeroWindowAdv 36 0.0
# TcpExtTCPToZeroWindowAdv 38 0.0
# TcpExtTCPWantZeroWindowAdv 19 0.0
# TcpExtTCPOrigDataSent 182 0.0
# TcpExtTCPDelivered 183 0.0
# MPTcpExtMPCapableSYNRX 1 0.0
# MPTcpExtMPCapableSYNTX 1 0.0
# MPTcpExtMPCapableSYNACKRX 1 0.0
# MPTcpExtMPCapableACKRX 1 0.0
#
# netns ns1-P3Kvbz socket stat for 20001:
# Failed to find cgroup2 mount
# Failed to find cgroup2 mount
# Failed to find cgroup2 mount
# Netid State Recv-Q Send-Q Local Address:Port Peer Address:Port
# tcp ESTAB 0 0 10.0.1.1:43290 10.0.1.1:20001 ino:0 sk:3005 cgroup:unreachable:1 <->
# ts sack cubic wscale:7,7 rto:201 rtt:0.381/0.214 ato:40 mss:32768 pmtu:65535 rcvmss:32740 advmss:65483 cwnd:10 bytes_sent:1570404 bytes_acked:1570405 bytes_received:1688748 segs_out:123 segs_in:132 data_segs_out:88 data_segs_in:94 send 6880419948bps lastsnd:61218 lastrcv:61218 lastack:61218 pacing_rate 13751816392bps delivery_rate 2148721304bps delivered:89 busy:22ms rcv_rtt:0.793 rcv_space:65495 rcv_ssthresh:65536 minrtt:0.075 tcp-ulp-mptcp flags:Mmec token:0000(id:0)/698c1c2a(id:0) seq:ae2a226a3ebeac76 sfseq:19c475 ssnoff:38f53772 maplen:38
# mptcp FIN-WAIT-1 0 0 10.0.1.1:43290 10.0.1.1:20001 timer:(keepalive,28sec,0) ino:0 sk:3006 cgroup:unreachable:1 ---
# subflows_max:2 remote_key token:698c1c2a write_seq:15627005320689413580 snd_una:15627005320687658031 rcv_nxt:12549881151335869614 bytes_sent:1570404 bytes_received:1688748 bytes_acked:1570404 subflows_total:1 last_data_sent:61221 last_data_recv:61220 last_ack_recv:61220
#
# 64 ns1 MPTCP -> ns1 (dead:beef:1::1:20002) MPTCP (duration 942ms) [ OK ]
# 65 ns1 MPTCP -> ns1 (dead:beef:1::1:20003) TCP (duration 750ms) [ OK ]
# 66 ns1 TCP -> ns1 (dead:beef:1::1:20004) MPTCP (duration 718ms) [ OK ]
# [FAIL] Tests of the full disconnection have failed
This issue has been seen on NIPA, with a debug kernel config: the disconnect test in v4 with MPTCP on both side failed with a timeout:
From: contest - stdout
Note that the test has been re-run, and the test passed the second time.