dhcpcd-discuss

Hi Andrey

On 22/04/2020 13:42, andrey@xxxxxxxxxxxx wrote:
> Hi Roy,
>
> I’m running dhcpcd on arch linux and I’ve recently upgraded to 9.0.1. After 
> that, I can’t get ipv6 address assigned anymore, ipv4 seems to work. My logs:
>
> ---------
>
> Apr 22 14:35:17 [683079]: dhcpcd not running
>
> Apr 22 14:35:17 [683081]: dhcpcd-9.0.1 starting
>
> Apr 22 14:35:17 [683081]: executing `/usr/lib/dhcpcd/dhcpcd-run-hooks' CHROOT
>
> Apr 22 14:35:17 [683103]: spawned privileged actioneer on PID 683104
>
> Apr 22 14:35:17 [683103]: chrooting to `/var/lib/dhcpcd'
>
> Apr 22 14:35:17 [683103]: wan100: executing `/usr/lib/dhcpcd/dhcpcd-run-hooks' 
> PREINIT
>
> Apr 22 14:35:17 [683103]: wan100: executing `/usr/lib/dhcpcd/dhcpcd-run-hooks' 
> CARRIER
>
> Apr 22 14:35:17 [683103]: DUID 00:01:00:01:26:30:a0:e4:92:a7:4a:49:1a:1b
>
> Apr 22 14:35:17 [683103]: wan100: IAID ff:00:03:e8
>
> Apr 22 14:35:17 [683103]: wan100: delaying IPv6 router solicitation for 0.6 seconds
>
> Apr 22 14:35:17 [683103]: wan100: delaying IPv4 for 1.2 seconds
>
> Apr 22 14:35:18 [683103]: wan100: soliciting an IPv6 router
>
> Apr 22 14:35:18 [683103]: wan100: sending Router Solicitation
>
> Apr 22 14:35:18 [683103]: ipv6nd_sendrsprobe: Bad file descriptor
>
> Apr 22 14:35:18 [683103]: wan100: reading lease `/var/lib/dhcpcd/wan100.lease'
>
> Apr 22 14:35:18 [683103]: wan100: discarding expired lease
>
> Apr 22 14:35:18 [683103]: wan100: soliciting a DHCP lease
>
> Apr 22 14:35:18 [683103]: wan100: sending DISCOVER (xid 0x25035d0e), next in 4.8 
> seconds
>
> Apr 22 14:35:22 [683103]: wan100: offered 192.168.0.203 from 192.168.0.1
>
> Apr 22 14:35:22 [683103]: wan100: sending REQUEST (xid 0x25035d0e), next in 3.0 
> seconds
>
> Apr 22 14:35:22 [683103]: wan100: acknowledged 192.168.0.203 from 192.168.0.1
>
> Apr 22 14:35:22 [683103]: wan100: probing address 192.168.0.203/24
>
> Apr 22 14:35:22 [683103]: wan100: probing for 192.168.0.203
>
> Apr 22 14:35:22 [683103]: wan100: ARP probing 192.168.0.203 (1 of 3), next in 
> 1.6 seconds
>
> Apr 22 14:35:22 [683103]: wan100: sending Router Solicitation
>
> Apr 22 14:35:22 [683103]: ipv6nd_sendrsprobe: Bad file descriptor
>
> Apr 22 14:35:23 [683103]: wan100: ARP probing 192.168.0.203 (2 of 3), next in 
> 1.6 seconds
>
> Apr 22 14:35:25 [683103]: wan100: ARP probing 192.168.0.203 (3 of 3), next in 
> 2.0 seconds
>
> Apr 22 14:35:26 [683103]: wan100: sending Router Solicitation
>
> Apr 22 14:35:26 [683103]: ipv6nd_sendrsprobe: Bad file descriptor
>
> Apr 22 14:35:27 [683103]: wan100: DAD completed for 192.168.0.203
>
> Apr 22 14:35:27 [683103]: wan100: leased 192.168.0.203 for 3600 seconds
>
> Apr 22 14:35:27 [683103]: wan100: renew in 1800 seconds, rebind in 3150 seconds
>
> Apr 22 14:35:27 [683103]: wan100: writing lease `/var/lib/dhcpcd/wan100.lease'
>
> Apr 22 14:35:27 [683103]: wan100: adding IP address 192.168.0.203/24 broadcast 
> 192.168.0.255
>
> Apr 22 14:35:27 [683103]: wan100: adding route to 192.168.0.0/24
>
> Apr 22 14:35:27 [683103]: wan100: ARP announcing 192.168.0.203 (1 of 2), next in 
> 2.0 seconds
>
> Apr 22 14:35:27 [683103]: wan100: executing `/usr/lib/dhcpcd/dhcpcd-run-hooks' BOUND
>
> Apr 22 14:35:29 [683103]: wan100: ARP announcing 192.168.0.203 (2 of 2)
>
> Apr 22 14:35:30 [683103]: wan100: sending Router Solicitation
>
> Apr 22 14:35:30 [683103]: ipv6nd_sendrsprobe: Bad file descriptor
>
> Apr 22 14:35:30 [683103]: wan100: no IPv6 Routers available
>
> ---------
>
> My config
>
> ---------
>
> hostname
>
> duid
>
> persistent
>
> option rapid_commit
>
> option domain_name_servers, domain_name, domain_search, host_name
>
> option classless_static_routes
>
> option interface_mtu
>
> require dhcp_server_identifier
>
> slaac hwaddr
>
> noipv4ll
>
> option dhcp6_name_servers
>
> option dhcp6_domain_search
>
> noipv6rs
>
> debug
>
> logfile /var/log/dhcpcd.log
>
> allowinterfaces wan0 wan100
>
> ######################## WAN interface configuration #################
>
> interface wan0
>
> clientid "";
>
> persistent
>
> option rapid_commit
>
> slaac hwaddr
>
> ipv6only
>
> nogateway
>
> ipv6rs                # enable routing solicitation to get the default IPv6 route
>
> noauthrequired
>
> ######################## DOCSIS WAN interface configuration #################
>
> interface wan100
>
> nodhcp6
>
> ipv6ra_autoconf
>
> slaac hwaddr
>
> nogateway
>
> ipv6rs                # enable routing solicitation to get the default IPv6 route
>
> ---------


Does this patch help?

Roy

diff --git a/src/privsep.c b/src/privsep.c
index 2b68af2f..09e63216 100644
--- a/src/privsep.c
+++ b/src/privsep.c
@@ -327,7 +327,7 @@ ps_start(struct dhcpcd_ctx *ctx)

        /* No point in spawning the generic network listener if we're
         * not going to use it. */
-       if (!(ctx->options & (DHCPCD_MASTER | DHCPCD_IPV6RS)))
+       if (!(ctx->options & (DHCPCD_MASTER | DHCPCD_IPV6)))
                goto started;

        switch (pid = ps_inet_start(ctx)) {