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    DHCPv6 Client Broken in latest snapshot

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    • B
      bimmerdriver
      last edited by

      Does anyone know if "transmit failed: Input/output error" is a pfsense error or a BSD error? Is there any way to get more information about the cause? It's pretty useless without knowing what caused it.

      jimpJ 1 Reply Last reply Reply Quote 0
      • B
        bimmerdriver
        last edited by

        I noticed that 2.4.4 development is running a different version of freebsd. Does anyone know when the change was introduced? I'm suspicious that it's related.

        1 Reply Last reply Reply Quote 0
        • w0wW
          w0w
          last edited by w0w

          I can not find any trace when Netgate moved from FreeBSD 11.1 to 11.2 beta, but it have happened in May, I think. There are also a bunch of PHP7 related changes happened in the same period of time, but I don't see any related to DHCPv6, so your problem can be related to base system only.

          B 1 Reply Last reply Reply Quote 0
          • B
            bimmerdriver @w0w
            last edited by

            @w0w Martin (who did a bunch of work on interfaces.inc, but since left for other pastures), took a look at interfaces.inc and didn't see any changes, so the change of freebsd is a smoking gun.

            1 Reply Last reply Reply Quote 0
            • D
              darkfire
              last edited by

              I have the exact same problem with my DHCPv6 Client since the last update to 2.4.3-RELEASE-p1.

              jimpJ 1 Reply Last reply Reply Quote 0
              • jimpJ
                jimp Rebel Alliance Developer Netgate @bimmerdriver
                last edited by

                @bimmerdriver said in DHCPv6 Client Broken in latest snapshot:

                Does anyone know if "transmit failed: Input/output error" is a pfsense error or a BSD error? Is there any way to get more information about the cause? It's pretty useless without knowing what caused it.

                That would be from the dhcp6c client

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                • jimpJ
                  jimp Rebel Alliance Developer Netgate @darkfire
                  last edited by

                  @darkfire said in DHCPv6 Client Broken in latest snapshot:

                  I have the exact same problem with my DHCPv6 Client since the last update to 2.4.3-RELEASE-p1.

                  Are you also using "Do not wait for RA"?

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                  • D
                    darkfire
                    last edited by

                    Yes, i do. Without “Do not wait for RA” the dhcp6c client will not start anymore.

                    /var/etc/dhcp6c_wan.conf

                    interface em0 {
	send ia-pd 0;
	script "/var/etc/dhcp6c_wan_script.sh";
};
id-assoc pd { };

                    logs with “Do not wait for RA”

                    May 29 23:02:14 	dhcp6c 	53193 	failed to open /usr/local/etc/dhcp6cctlkey: No such file or directory
May 29 23:02:14 	dhcp6c 	53193 	failed initialize control message authentication
May 29 23:02:14 	dhcp6c 	53193 	skip opening control port
May 29 23:02:15 	dhcp6c 	53211 	Sending Solicit
May 29 23:02:15 	dhcp6c 	53211 	transmit failed: Can't assign requested address
May 29 23:02:16 	dhcp6c 	53211 	Sending Solicit
May 29 23:02:16 	dhcp6c 	53211 	transmit failed: Can't assign requested address

                    process list

                    ps aux | grep dhcp6c
root   53211   0.0  0.1   8380  2364  -  Is   23:02       0:00.00 /usr/local/sbin/dhcp6c -d -c /var/etc/dhcp6c_wan.conf -p /var/run/dhcp6c_em0.pid em0
                    jimpJ 1 Reply Last reply Reply Quote 0
                    • jimpJ
                      jimp Rebel Alliance Developer Netgate @darkfire
                      last edited by

                      @darkfire said in DHCPv6 Client Broken in latest snapshot:

                      Without “Do not wait for RA” the dhcp6c client will not start anymore.

                      So it fails without that enabled? Or it fails both ways but with different errors?

                      Remember: Upvote with the 👍 button for any user/post you find to be helpful, informative, or deserving of recognition!

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                      • B
                        bimmerdriver
                        last edited by bimmerdriver

                        My system behaves differently. If I disable do not wait for ra, dhcp6c never runs, because it's waiting for an RA, which will not be sent. Also, the error message is different.

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                        • D
                          darkfire
                          last edited by

                          If i disable “Do not wait for RA” the client won't start. If i enable “Do not wait for RA” the client starts, but I do not get a prefix delegation.

                          1 Reply Last reply Reply Quote 0
                          • B
                            bimmerdriver
                            last edited by

                            I'm bumping this thread to see if anyone else is experiencing this issue. I'm dead in the water trying to find out the cause, at least without the snapshots from the April time frame.

                            1 Reply Last reply Reply Quote 0
                            • jimpJ
                              jimp Rebel Alliance Developer Netgate
                              last edited by jimp

                              I haven't seen any additional complaints, and though I have kept one of my boxes here configured with "do not wait for RA", I have yet to see the same errors others have posted here.

                              The error messages above, transmit failed: Can't assign requested address, would seem to imply that an address disappeared from the interface at some point but it's a fairly generic error even in the source. And since there is no address specified in the config file, that makes me curious how that is happening. The previous error, transmit failed: Input/output error is also very generic.

                              If you can, please go into the WAN options in the dhcp6 section and check Start DHCP6 client in debug mode and see if anything more informative gets put in the logs, and post anything in the logs from dhcp6c.

                              Remember: Upvote with the 👍 button for any user/post you find to be helpful, informative, or deserving of recognition!

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                              • B
                                bimmerdriver
                                last edited by

                                I enabled DHCP debug. The DHCP log from the start of a reboot is below. The only thing that appears to be abnormal is the transmit failed: Input/output error.

                                Jun 9 09:21:41	dhcp6c	11661	reset a timer on hn1, state=SOLICIT, timeo=5, retrans=31928
Jun 9 09:21:41	dhcp6c	11661	transmit failed: Input/output error
Jun 9 09:21:41	dhcp6c	11661	set IA_PD
Jun 9 09:21:41	dhcp6c	11661	set option request (len 4)
Jun 9 09:21:41	dhcp6c	11661	set elapsed time (len 2)
Jun 9 09:21:41	dhcp6c	11661	set client ID (len 14)
Jun 9 09:21:41	dhcp6c	11661	Sending Solicit
Jun 9 09:21:34	dhcpd		Server starting service.
Jun 9 09:21:34	dhcpd		Sending on Socket/fallback/fallback-net
Jun 9 09:21:34	dhcpd		Sending on BPF/hn0/00:15:5d:5c:e2:31/192.168.1.0/24
Jun 9 09:21:34	dhcpd		Listening on BPF/hn0/00:15:5d:5c:e2:31/192.168.1.0/24
Jun 9 09:21:33	dhcpd		Wrote 1 leases to leases file.
Jun 9 09:21:33	dhcpd		For info, please visit https://www.isc.org/software/dhcp/
Jun 9 09:21:33	dhcpd		All rights reserved.
Jun 9 09:21:33	dhcpd		Copyright 2004-2018 Internet Systems Consortium.
Jun 9 09:21:33	dhcpd		Internet Systems Consortium DHCP Server 4.3.6-P1
Jun 9 09:21:33	dhcpd		PID file: /var/run/dhcpd.pid
Jun 9 09:21:33	dhcpd		Database file: /var/db/dhcpd.leases
Jun 9 09:21:33	dhcpd		Config file: /etc/dhcpd.conf
Jun 9 09:21:33	dhcpd		For info, please visit https://www.isc.org/software/dhcp/
Jun 9 09:21:33	dhcpd		All rights reserved.
Jun 9 09:21:33	dhcpd		Copyright 2004-2018 Internet Systems Consortium.
Jun 9 09:21:33	dhcpd		Internet Systems Consortium DHCP Server 4.3.6-P1
Jun 9 09:21:25	dhcp6c	11661	reset a timer on hn1, state=SOLICIT, timeo=4, retrans=16326
Jun 9 09:21:25	dhcp6c	11661	transmit failed: Input/output error
Jun 9 09:21:25	dhcp6c	11661	set IA_PD
Jun 9 09:21:25	dhcp6c	11661	set option request (len 4)
Jun 9 09:21:25	dhcp6c	11661	set elapsed time (len 2)
Jun 9 09:21:25	dhcp6c	11661	set client ID (len 14)
Jun 9 09:21:25	dhcp6c	11661	Sending Solicit
Jun 9 09:21:17	dhcp6c	11661	reset a timer on hn1, state=SOLICIT, timeo=3, retrans=8065
Jun 9 09:21:17	dhcp6c	11661	transmit failed: Input/output error
Jun 9 09:21:17	dhcp6c	11661	set IA_PD
Jun 9 09:21:17	dhcp6c	11661	set option request (len 4)
Jun 9 09:21:17	dhcp6c	11661	set elapsed time (len 2)
Jun 9 09:21:17	dhcp6c	11661	set client ID (len 14)
Jun 9 09:21:17	dhcp6c	11661	Sending Solicit
Jun 9 09:21:13	dhcp6c	11661	reset a timer on hn1, state=SOLICIT, timeo=2, retrans=3982
Jun 9 09:21:13	dhcp6c	11661	transmit failed: Input/output error
Jun 9 09:21:13	dhcp6c	11661	set IA_PD
Jun 9 09:21:13	dhcp6c	11661	set option request (len 4)
Jun 9 09:21:13	dhcp6c	11661	set elapsed time (len 2)
Jun 9 09:21:13	dhcp6c	11661	set client ID (len 14)
Jun 9 09:21:13	dhcp6c	11661	Sending Solicit
Jun 9 09:21:11	dhcp6c	11661	reset a timer on hn1, state=SOLICIT, timeo=1, retrans=2083
Jun 9 09:21:11	dhcp6c	11661	transmit failed: Input/output error
Jun 9 09:21:11	dhcp6c	11661	set IA_PD
Jun 9 09:21:11	dhcp6c	11661	set option request (len 4)
Jun 9 09:21:11	dhcp6c	11661	set elapsed time (len 2)
Jun 9 09:21:11	dhcp6c	11661	set client ID (len 14)
Jun 9 09:21:11	dhcp6c	11661	Sending Solicit
Jun 9 09:21:09	dhcp6c	11661	reset a timer on hn1, state=SOLICIT, timeo=0, retrans=1091
Jun 9 09:21:09	dhcp6c	11661	transmit failed: Input/output error
Jun 9 09:21:09	dhcp6c	11661	set IA_PD
Jun 9 09:21:09	dhcp6c	11661	set option request (len 4)
Jun 9 09:21:09	dhcp6c	11661	set elapsed time (len 2)
Jun 9 09:21:09	dhcp6c	11661	set client ID (len 14)
Jun 9 09:21:09	dhcp6c	11661	a new XID (1bb44a) is generated
Jun 9 09:21:09	dhcp6c	11661	Sending Solicit
Jun 9 09:21:09	dhcp6c	11661	reset a timer on hn1, state=INIT, timeo=0, retrans=891
Jun 9 09:21:09	dhcp6c	11654	called
Jun 9 09:21:09	dhcp6c	11654	called
Jun 9 09:21:09	dhcp6c	11654	<3>end of sentence [;] (1)
Jun 9 09:21:09	dhcp6c	11654	<3>end of closure [}] (1)
Jun 9 09:21:09	dhcp6c	11654	<3>end of sentence [;] (1)
Jun 9 09:21:09	dhcp6c	11654	<3>end of closure [}] (1)
Jun 9 09:21:09	dhcp6c	11654	<3>end of sentence [;] (1)
Jun 9 09:21:09	dhcp6c	11654	<3>[8] (1)
Jun 9 09:21:09	dhcp6c	11654	<3>[sla-len] (7)
Jun 9 09:21:09	dhcp6c	11654	<3>end of sentence [;] (1)
Jun 9 09:21:09	dhcp6c	11654	<3>[0] (1)
Jun 9 09:21:09	dhcp6c	11654	<3>[sla-id] (6)
Jun 9 09:21:09	dhcp6c	11654	<3>begin of closure [{] (1)
Jun 9 09:21:09	dhcp6c	11654	<5>[hn0] (3)
Jun 9 09:21:09	dhcp6c	11654	<3>[prefix-interface] (16)
Jun 9 09:21:09	dhcp6c	11654	<13>begin of closure [{] (1)
Jun 9 09:21:09	dhcp6c	11654	<13>[0] (1)
Jun 9 09:21:09	dhcp6c	11654	<13>[pd] (2)
Jun 9 09:21:09	dhcp6c	11654	<3>[id-assoc] (8)
Jun 9 09:21:09	dhcp6c	11654	<3>end of sentence [;] (1)
Jun 9 09:21:09	dhcp6c	11654	<3>end of closure [}] (1)
Jun 9 09:21:09	dhcp6c	11654	<3>comment [# we'd like nameservers and RTSOLD to do all the work] (53)
Jun 9 09:21:09	dhcp6c	11654	<3>end of sentence [;] (1)
Jun 9 09:21:09	dhcp6c	11654	<3>["/var/etc/dhcp6c_wan_dhcp6withoutra_script.sh"] (46)
Jun 9 09:21:09	dhcp6c	11654	<3>[script] (6)
Jun 9 09:21:09	dhcp6c	11654	<3>end of sentence [;] (1)
Jun 9 09:21:09	dhcp6c	11654	<3>[domain-name] (11)
Jun 9 09:21:09	dhcp6c	11654	<3>[request] (7)
Jun 9 09:21:09	dhcp6c	11654	<3>end of sentence [;] (1)
Jun 9 09:21:09	dhcp6c	11654	<3>[domain-name-servers] (19)
Jun 9 09:21:09	dhcp6c	11654	<3>[request] (7)
Jun 9 09:21:09	dhcp6c	11654	<3>comment [# request prefix delegation] (27)
Jun 9 09:21:09	dhcp6c	11654	<3>end of sentence [;] (1)
Jun 9 09:21:09	dhcp6c	11654	<3>[0] (1)
Jun 9 09:21:09	dhcp6c	11654	<3>[ia-pd] (5)
Jun 9 09:21:09	dhcp6c	11654	<3>[send] (4)
Jun 9 09:21:09	dhcp6c	11654	<3>begin of closure [{] (1)
Jun 9 09:21:09	dhcp6c	11654	<5>[hn1] (3)
Jun 9 09:21:09	dhcp6c	11654	<3>[interface] (9)
Jun 9 09:21:09	dhcp6c	11654	skip opening control port
Jun 9 09:21:09	dhcp6c	11654	failed initialize control message authentication
Jun 9 09:21:09	dhcp6c	11654	failed to open /usr/local/etc/dhcp6cctlkey: No such file or directory
Jun 9 09:21:09	dhcp6c	11654	extracted an existing DUID from /var/db/dhcp6c_duid: 00:01:00:01:22:95:fa:13:00:15:5d:5c:e2:31
Jun 9 09:21:05	dhclient		Creating resolv.conf
Jun 9 09:21:05	dhclient		/sbin/route add default 154.20.116.1
Jun 9 09:21:05	dhclient		Adding new routes to interface: hn1
Jun 9 09:21:05	dhclient		New Routers (hn1): 154.20.116.1
Jun 9 09:21:05	dhclient		New Broadcast Address (hn1): 154.20.119.255
Jun 9 09:21:05	dhclient		New Subnet Mask (hn1): 255.255.252.0
Jun 9 09:21:05	dhclient		New IP Address (hn1): 154.20.119.154
Jun 9 09:21:05	dhclient		ifconfig hn1 inet 154.20.119.154 netmask 255.255.252.0 broadcast 154.20.119.255
Jun 9 09:21:05	dhclient		Starting add_new_address()
Jun 9 09:21:05	dhclient		REBOOT
Jun 9 09:21:04	dhclient		PREINIT
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                                • jimpJ
                                  jimp Rebel Alliance Developer Netgate
                                  last edited by jimp

                                  Do you have a different piece of hardware (real or virtual) you can try here to see if it's isolated to those hnX NICs or your environment (hyperv?)?

                                  Also we recently, in the last few days, resynchronized with FreeBSD 11.2 so it's possible we picked up a bug fix, so it's worth testing on the latest snapshot.

                                  Remember: Upvote with the 👍 button for any user/post you find to be helpful, informative, or deserving of recognition!

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                                  Do not Chat/PM for help!

                                  B 1 Reply Last reply Reply Quote 0
                                  • B
                                    bimmerdriver @jimp
                                    last edited by bimmerdriver

                                    @jimp said in DHCPv6 Client Broken in latest snapshot:

                                    Do you have a different piece of hardware (real or virtual) you can try here to see if it's isolated to those hnX NICs or your environment (hyperv?)?

                                    Also we recently, in the last few days, resynchronized with FreeBSD 11.2 so it's possible we picked up a bug fix, so it's worth testing on the latest snapshot.

                                    Unfortunately, I don't have any other hardware to try.

                                    I just updated to the latest snapshot and unfortunately, the error is exactly the same.

                                    If it would be useful to you, I could set up teamviewer so you can get on the system and take a look.

                                    1 Reply Last reply Reply Quote 0
                                    • D
                                      darkfire
                                      last edited by

                                      @jimp is there something we can do to help you?

                                      jimpJ 1 Reply Last reply Reply Quote 0
                                      • D
                                        darkfire
                                        last edited by

                                        a link to a related issue on the pfsense bug tracker
                                        https://redmine.pfsense.org/issues/8489

                                        B 1 Reply Last reply Reply Quote 0
                                        • jimpJ
                                          jimp Rebel Alliance Developer Netgate @darkfire
                                          last edited by

                                          @darkfire said in DHCPv6 Client Broken in latest snapshot:

                                          @jimp is there something we can do to help you?

                                          Find a way to reproduce it reliably that doesn't rely on being connected to an ISP that requires "do not wait for RA".

                                          As far as I'm aware, nobody here has been able to replicate the problem behavior or error message(s).

                                          Remember: Upvote with the 👍 button for any user/post you find to be helpful, informative, or deserving of recognition!

                                          Need help fast? Netgate Global Support!

                                          Do not Chat/PM for help!

                                          B 1 Reply Last reply Reply Quote 0
                                          • B
                                            bimmerdriver @darkfire
                                            last edited by

                                            @darkfire said in DHCPv6 Client Broken in latest snapshot:

                                            a link to a related issue on the pfsense bug tracker
                                            https://redmine.pfsense.org/issues/8489

                                            Issue 8489 isn't a "related issue". It's the bug report for the issue I reported in this thread.

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