dhcpcd-discuss

dhcp6_listen: Address already in use

Moritz Warning

Tue May 15 22:42:36 2018

Hi,

from dhcpcd 7.0.4-1 on Arch Linux gives me "dhcp6_listen: Address already in use" and exits.
The problem appears when connecting to my WLAN using wicd 1.7.4-1:

May 15 23:26:19 brick dhcpcd[18975]: DUID 00:01:00:01:22:23:49:d8:c8:ff:28:77:db:cb
May 15 23:26:19 brick dhcpcd[18975]: wlp58s0: IAID 28:77:db:cb
May 15 23:26:19 brick dhcpcd[18975]: wlp58s0: adding address fe80::5ff4:3245:b2a9:d6fc
May 15 23:26:19 brick dhcpcd[18975]: wlp58s0: soliciting a DHCP lease
May 15 23:26:19 brick dhcpcd[18975]: wlp58s0: offered 172.16.0.214 from 172.16.0.1
May 15 23:26:19 brick dhcpcd[18975]: wlp58s0: probing address 172.16.0.214/16
May 15 23:26:20 brick dhcpcd[18975]: wlp58s0: soliciting an IPv6 router
May 15 23:26:20 brick dhcpcd[18975]: wlp58s0: Router Advertisement from fe80::6666:b3ff:fe50:1230
May 15 23:26:20 brick dhcpcd[18975]: wlp58s0: adding address fdbc:652b:8f56:0:e70a:c5a7:f201:2127/64
May 15 23:26:20 brick dhcpcd[18975]: wlp58s0: adding route to fdbc:652b:8f56::/64
May 15 23:26:20 brick dhcpcd[18975]: wlp58s0: soliciting a DHCPv6 lease
May 15 23:26:20 brick dhcpcd[18975]: wlp58s0: ADV fdbc:652b:8f56::e3b/128 from fe80::6666:b3ff:fe50:1230
May 15 23:26:20 brick dhcpcd[18975]: wlp58s0: accepted reconfigure key
May 15 23:26:20 brick dhcpcd[18975]: wlp58s0: REPLY6 received from fe80::6666:b3ff:fe50:1230
May 15 23:26:20 brick dhcpcd[18975]: wlp58s0: adding address fdbc:652b:8f56::e3b/128
May 15 23:26:20 brick dhcpcd[18975]: wlp58s0: renew in 21600, rebind in 34560, expire in 4294967295 seconds
May 15 23:26:22 brick dhcpcd[18975]: forked to background, child pid 19022
May 15 23:26:22 brick dhcpcd[18975]: dhcp6_listen: Address already in use
May 15 23:26:22 brick dhcpcd[19025]: sending signal ALRM to pid 19022
May 15 23:26:22 brick dhcpcd[19025]: waiting for pid 19022 to exit
May 15 23:26:22 brick dhcpcd[19022]: received SIGALRM, releasing
May 15 23:26:22 brick dhcpcd[19022]: wlp58s0: removing interface
May 15 23:26:22 brick dhcpcd[19022]: wlp58s0: deleting address fdbc:652b:8f56::e3b/128
May 15 23:26:22 brick dhcpcd[19022]: wlp58s0: deleting address fdbc:652b:8f56:0:e70a:c5a7:f201:2127/64
May 15 23:26:22 brick dhcpcd[19022]: wlp58s0: deleting route to fdbc:652b:8f56::/64
May 15 23:26:22 brick dhcpcd[19022]: wlp58s0: deleting address fe80::5ff4:3245:b2a9:d6fc
May 15 23:26:22 brick dhcpcd[19022]: dhcpcd exited

dhcpcd run as "/usr/bin/dhcpcd --noipv4ll wlp58s0"

This ultimately prevents me from connection to my WLAN.

I 'solved' the problem by sneaking in -4 as argument to the dhcpcd call.
Is this a known problem?

Thanks,
Moritz

Follow-Ups:
Re: dhcp6_listen: Address already in useRoy Marples
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