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    Kernel Panic on pfSense+ 24.03-RELEASE

    Scheduled Pinned Locked Moved General pfSense Questions
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    • C
      cboenning @stephenw10
      last edited by

      @stephenw10 I have uploaded the files as a tar Archive.

      As a reference:

      • pfSense-1 is the "usual primary" (currently in persistent CARP maintenance, thus backup), it produced a bunch of crashes out of which one dump was still available.
      • pfSense-2 is the "current primary" (usually backup), I added 4 dumps to the upload.
      1 Reply Last reply Reply Quote 0
      • stephenw10S
        stephenw10 Netgate Administrator
        last edited by stephenw10

        Ok these are all identical crashes, on both nodes. So that's definitely a software issue.

        Backtrace:

        db:1:pfs> bt
        Tracing pid 2 tid 100097 td 0xfffff80001831740
        kdb_enter() at kdb_enter+0x33/frame 0xfffffe0084fa28f0
        panic() at panic+0x43/frame 0xfffffe0084fa2950
        trap_fatal() at trap_fatal+0x40f/frame 0xfffffe0084fa29b0
        trap_pfault() at trap_pfault+0x4f/frame 0xfffffe0084fa2a10
        calltrap() at calltrap+0x8/frame 0xfffffe0084fa2a10
        --- trap 0xc, rip = 0xffffffff80f246e2, rsp = 0xfffffe0084fa2ae0, rbp = 0xfffffe0084fa2b70 ---
        tcp_m_copym() at tcp_m_copym+0x62/frame 0xfffffe0084fa2b70
        tcp_default_output() at tcp_default_output+0x1294/frame 0xfffffe0084fa2d60
        tcp_timer_rexmt() at tcp_timer_rexmt+0x53c/frame 0xfffffe0084fa2dc0
        tcp_timer_enter() at tcp_timer_enter+0x101/frame 0xfffffe0084fa2e00
        softclock_call_cc() at softclock_call_cc+0x12e/frame 0xfffffe0084fa2ec0
        softclock_thread() at softclock_thread+0xe9/frame 0xfffffe0084fa2ef0
        fork_exit() at fork_exit+0x7f/frame 0xfffffe0084fa2f30
        fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0084fa2f30
        --- trap 0, rip = 0, rsp = 0, rbp = 0 ---
        

        Previously that was seen with HAProxy: https://redmine.pfsense.org/issues/15457

        But you're not running HAProxy.

        I do note that in each case it appears an OpenVPN instance is unable to service incoming requests:

        <7>sonewconn: pcb 0xfffff8002a4cd400 (local:/var/etc/openvpn/server2/sock): Listen queue overflow: 2 already in queue awaiting acceptance (1 occurrences), euid 0, rgid 0, jail 0
        

        Do you have OpenVPN servers running TCP?

        C 1 Reply Last reply Reply Quote 0
        • C
          cboenning @stephenw10
          last edited by

          @stephenw10 Yes, we're running two OpenVPN Servers on TCP. One is a pretty boring 12 Clients instance while the other one is one of our 2 primary VPN Services. Both Servers (one on UDP the other one - this one "server2" - on TCP).

          Both usually serve around 120-150 users throughout the day while I cannot really tell how many users are connected at the point in time where the unit panics.

          1 Reply Last reply Reply Quote 0
          • stephenw10S
            stephenw10 Netgate Administrator
            last edited by

            Hmm, but at least one of those servers is UDP only?

            C 1 Reply Last reply Reply Quote 0
            • C
              cboenning @stephenw10
              last edited by

              @stephenw10 yes, we run udp/1194 (server1, 120-150 users), tcp/1194 (server2, 120-150 users) and tcp/1195 (server3, 10-12 users).

              1 Reply Last reply Reply Quote 0
              • stephenw10S
                stephenw10 Netgate Administrator
                last edited by

                Hmm, the OpenVPN message is probably just a symptom then. What do you listening on TCP from?: sockstat -P tcp

                C 1 Reply Last reply Reply Quote 0
                • C
                  cboenning @stephenw10
                  last edited by

                  @stephenw10 Full output (with redacted IPs) below, but major listening daemons are:

                  • nginx (80/18288, from pfSense)
                  • ssh (12689, from pfSense)
                  • openvpn (1194)
                  • isc-dhcpd (520, I switched to kea but it showed same behaviour so I reverted)
                  • node_exporter (9100)
                  • frr (179 /26xx)
                  • zabbix-agent (10050)
                  [24.03-RELEASE][admin@pfsense-2.domain]/root: sockstat -P tcp
                  USER     COMMAND    PID   FD  PROTO  LOCAL ADDRESS         FOREIGN ADDRESS
                  root     sshd       12954 4   tcp4   lan:12689       remote:63592
                  frr      bgpd       93160 15  tcp6   *:2605                *:*
                  frr      bgpd       93160 16  tcp4   *:2605                *:*
                  frr      bgpd       93160 20  tcp6   *:179                 *:*
                  frr      bgpd       93160 21  tcp4   *:179                 *:*
                  frr      bgpd       93160 23  tcp4   169.254.254.41:48552  169.254.254.42:179
                  frr      bgpd       93160 24  tcp4   169.254.254.45:61975  169.254.254.46:179
                  frr      bgpd       93160 25  tcp4   169.254.254.9:45278   169.254.254.10:179
                  frr      bgpd       93160 26  tcp4   169.254.254.13:9166   169.254.254.14:179
                  frr      bgpd       93160 27  tcp4   169.254.254.17:8175   169.254.254.18:179
                  frr      bgpd       93160 28  tcp4   169.254.254.21:5727   169.254.254.22:179
                  frr      bgpd       93160 29  tcp4   169.254.254.25:40994  169.254.254.26:179
                  frr      bgpd       93160 30  tcp4   169.254.254.29:6862   169.254.254.30:179
                  frr      bgpd       93160 31  tcp4   169.254.254.33:50604  169.254.254.34:179
                  frr      bgpd       93160 32  tcp4   169.254.254.37:1108   169.254.254.38:179
                  frr      bgpd       93160 33  tcp4   169.254.254.57:51757  169.254.254.58:179
                  frr      bgpd       93160 34  tcp4   169.254.254.61:20765  169.254.254.62:179
                  frr      bgpd       93160 35  tcp4   169.254.254.65:6066   169.254.254.66:179
                  frr      bgpd       93160 36  tcp4   169.254.254.69:52714  169.254.254.70:179
                  frr      bgpd       93160 37  tcp4   169.254.254.73:39873  169.254.254.74:179
                  frr      bgpd       93160 38  tcp4   169.254.254.77:55399  169.254.254.78:179
                  frr      bgpd       93160 39  tcp4   169.254.254.81:48328  169.254.254.82:179
                  frr      bgpd       93160 40  tcp4   169.254.254.85:45645  169.254.254.86:179
                  frr      bgpd       93160 41  tcp4   169.254.254.89:8402   169.254.254.90:179
                  frr      bgpd       93160 42  tcp4   169.254.254.93:11107  169.254.254.94:179
                  frr      bgpd       93160 43  tcp4   169.254.254.97:27421  169.254.254.98:179
                  frr      bgpd       93160 44  tcp4   169.254.254.105:28537 169.254.254.106:179
                  frr      bgpd       93160 45  tcp4   169.254.254.109:29597 169.254.254.110:179
                  frr      bgpd       93160 46  tcp4   169.254.255.37:48190  169.254.255.38:179
                  frr      bgpd       93160 47  tcp4   169.254.255.9:54573   169.254.255.10:179
                  frr      bgpd       93160 48  tcp4   169.254.255.17:4014   169.254.255.18:179
                  frr      bgpd       93160 49  tcp4   169.254.255.21:45371  169.254.255.22:179
                  frr      bgpd       93160 50  tcp4   169.254.255.25:15854  169.254.255.26:179
                  frr      bgpd       93160 51  tcp4   169.254.255.29:43328  169.254.255.30:179
                  frr      bgpd       93160 52  tcp4   169.254.255.33:8344   169.254.255.34:179
                  frr      bgpd       93160 53  tcp4   169.254.255.13:57269  169.254.255.14:179
                  frr      bgpd       93160 54  tcp4   169.254.255.41:32399  169.254.255.42:179
                  frr      bgpd       93160 55  tcp4   169.254.255.45:62751  169.254.255.46:179
                  frr      bgpd       93160 56  tcp4   169.254.255.61:49589  169.254.255.62:179
                  frr      bgpd       93160 57  tcp4   169.254.255.57:30575  169.254.255.58:179
                  frr      bgpd       93160 58  tcp4   169.254.255.65:17927  169.254.255.66:179
                  frr      bgpd       93160 59  tcp4   169.254.255.69:52593  169.254.255.70:179
                  frr      bgpd       93160 60  tcp4   169.254.255.73:26342  169.254.255.74:179
                  frr      bgpd       93160 61  tcp4   169.254.255.77:23533  169.254.255.78:179
                  frr      bgpd       93160 62  tcp4   169.254.255.81:6200   169.254.255.82:179
                  frr      bgpd       93160 63  tcp4   169.254.255.85:1817   169.254.255.86:179
                  frr      bgpd       93160 64  tcp4   169.254.255.89:55972  169.254.255.90:179
                  frr      bgpd       93160 65  tcp4   169.254.255.93:40012  169.254.255.94:179
                  frr      bgpd       93160 66  tcp4   169.254.255.97:20828  169.254.255.98:179
                  frr      bgpd       93160 67  tcp4   169.254.255.105:5854  169.254.255.106:179
                  frr      bgpd       93160 68  tcp4   169.254.255.109:37727 169.254.255.110:179
                  frr      bgpd       93160 69  tcp4   lan:179         lan-bgp-peer:46520
                  frr      bgpd       93160 70  tcp4   lan:179         lan-bgp-peer:55180
                  frr      staticd    92209 9   tcp6   *:2616                *:*
                  frr      staticd    92209 10  tcp4   *:2616                *:*
                  frr      mgmtd      91678 12  tcp6   *:2623                *:*
                  frr      mgmtd      91678 13  tcp4   *:2623                *:*
                  frr      zebra      90512 20  tcp6   *:2601                *:*
                  frr      zebra      90512 21  tcp4   *:2601                *:*
                  zabbix   zabbix_age 59718 4   tcp4   *:10050               *:*
                  zabbix   zabbix_age 59449 4   tcp4   *:10050               *:*
                  zabbix   zabbix_age 59331 4   tcp4   *:10050               *:*
                  zabbix   zabbix_age 59154 4   tcp4   *:10050               *:*
                  zabbix   zabbix_age 58742 4   tcp4   *:10050               *:*
                  nobody   node_expor 45522 3   tcp4   lan:9100        *:*
                  nobody   node_expor 45522 7   tcp4   lan:9100        remote:1285
                  frr      bfdd       42282 17  tcp6   *:2617                *:*
                  frr      bfdd       42282 18  tcp4   *:2617                *:*
                  root     openvpn    84817 6   tcp4   carp-wan:1195    *:*
                  root     openvpn    84817 12  tcp4   carp-wan:1195    remote:54208
                  root     openvpn    84817 13  tcp4   carp-wan:1195    remote:64293
                  root     openvpn    84817 14  tcp4   carp-wan:1195    remote:55553
                  root     openvpn    84817 15  tcp4   carp-wan:1195    remote:49879
                  root     openvpn    84817 16  tcp4   carp-wan:1195    remote:49727
                  root     openvpn    84817 17  tcp4   carp-wan:1195    remote:59337
                  root     openvpn    84817 18  tcp4   carp-wan:1195    remote:52367
                  root     openvpn    84817 19  tcp4   carp-wan:1195    remote:61691
                  root     openvpn    84817 20  tcp4   carp-wan:1195    remote:49299
                  root     openvpn    84817 21  tcp4   carp-wan:1195    remote:55497
                  root     openvpn    84817 22  tcp4   carp-wan:1195    remote:56152
                  root     openvpn    84817 23  tcp4   carp-wan:1195    remote:60493
                  root     openvpn    63853 6   tcp4   carp-wan:1194    *:*
                  root     openvpn    63853 12  tcp4   carp-wan:1194    remote:50937
                  root     openvpn    63853 13  tcp4   carp-wan:1194    remote:25223
                  root     openvpn    63853 14  tcp4   carp-wan:1194    remote:34077
                  root     openvpn    63853 15  tcp4   carp-wan:1194    remote:8229
                  root     openvpn    63853 16  tcp4   carp-wan:1194    remote:49925
                  root     openvpn    63853 17  tcp4   carp-wan:1194    remote:59427
                  root     openvpn    63853 18  tcp4   carp-wan:1194    remote:19497
                  root     openvpn    63853 19  tcp4   carp-wan:1194    remote:53176
                  root     openvpn    63853 20  tcp4   carp-wan:1194    remote:53941
                  root     openvpn    63853 21  tcp4   carp-wan:1194    remote:30092
                  root     openvpn    63853 22  tcp4   carp-wan:1194    remote:61351
                  root     openvpn    63853 23  tcp4   carp-wan:1194    remote:59472
                  root     openvpn    63853 24  tcp4   carp-wan:1194    remote:17457
                  root     openvpn    63853 25  tcp4   carp-wan:1194    remote:10610
                  root     openvpn    63853 26  tcp4   carp-wan:1194    remote:55283
                  root     openvpn    63853 27  tcp4   carp-wan:1194    remote:43863
                  root     openvpn    63853 28  tcp4   carp-wan:1194    remote:51742
                  root     openvpn    63853 29  tcp4   carp-wan:1194    remote:50180
                  root     openvpn    63853 30  tcp4   carp-wan:1194    remote:26228
                  root     openvpn    63853 31  tcp4   carp-wan:1194    remote:55189
                  root     openvpn    63853 32  tcp4   carp-wan:1194    remote:51027
                  root     openvpn    63853 33  tcp4   carp-wan:1194    remote:20917
                  root     openvpn    63853 34  tcp4   carp-wan:1194    remote:49952
                  root     openvpn    63853 35  tcp4   carp-wan:1194    remote:63507
                  root     openvpn    63853 36  tcp4   carp-wan:1194    remote:50676
                  root     openvpn    63853 37  tcp4   carp-wan:1194    remote:63995
                  root     openvpn    63853 55  tcp4   carp-wan:1194    remote:50970
                  root     openvpn    63853 88  tcp4   carp-wan:1194    remote:54025
                  root     openvpn    63853 129 tcp4   carp-wan:1194    remote:49206
                  dhcpd    dhcpd      75672 11  tcp4   lan:36325       pfsense-1:519
                  dhcpd    dhcpd      75672 12  tcp4   lan:520         *:*
                  root     nginx      67598 5   tcp4   *:18288               *:*
                  root     nginx      67598 6   tcp6   *:18288               *:*
                  root     nginx      67598 7   tcp4   *:80                  *:*
                  root     nginx      67598 9   tcp6   *:80                  *:*
                  root     nginx      67341 5   tcp4   *:18288               *:*
                  root     nginx      67341 6   tcp6   *:18288               *:*
                  root     nginx      67341 7   tcp4   *:80                  *:*
                  root     nginx      67341 9   tcp6   *:80                  *:*
                  root     nginx      67000 5   tcp4   *:18288               *:*
                  root     nginx      67000 6   tcp6   *:18288               *:*
                  root     nginx      67000 7   tcp4   *:80                  *:*
                  root     nginx      67000 9   tcp6   *:80                  *:*
                  root     sshd       98253 3   tcp6   *:12689               *:*
                  root     sshd       98253 4   tcp4   *:12689               *:*
                  ?        ?          ?     ?   tcp4   carp-wan:1194    remote:57205
                  [24.03-RELEASE][admin@pfsense-2.domain]/root:
                  
                  C 1 Reply Last reply Reply Quote 0
                  • C
                    cboenning @cboenning
                    last edited by

                    Earlier today I disabled the DHCP Service in pfSense as I can currently live without it.

                    1 Reply Last reply Reply Quote 0
                    • stephenw10S
                      stephenw10 Netgate Administrator
                      last edited by

                      Great thanks. We have some devs engaged on this now, there are a few users hitting it.

                      C 1 Reply Last reply Reply Quote 1
                      • C
                        cboenning @stephenw10
                        last edited by

                        @stephenw10 Thank you.

                        Feel free to contact me privately in case you need additional details or I can provide anything.

                        1 Reply Last reply Reply Quote 1
                        • stephenw10S
                          stephenw10 Netgate Administrator
                          last edited by

                          Bug to track it: https://redmine.pfsense.org/issues/15684

                          1 Reply Last reply Reply Quote 1
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