This also effects the isc-dhcp-server for which I'm seeing the same error trying to share out ipv6 subnet information. isc-dhcp-server6 fails to start with
<xxxx>@<xxxx>:/etc/init.d# dhcpd -d -f -6 --no-pid -lf "/var/lib/dhcp/dhcpd6.leases" -cf "/etc/dhcp/dhcpd6.conf" "eth0" Internet Systems Consortium DHCP Server 4.2.4 Copyright 2004-2012 Internet Systems Consortium. All rights reserved. For info, please visit https://www.isc.org/software/dhcp/ Wrote 0 leases to leases file. Can't set SO_REUSEPORT option on dhcp socket: Protocol not available -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to isc-dhcp in Ubuntu. https://bugs.launchpad.net/bugs/1184099 Title: dhclient Can't set SO_REUSEPORT option on dhcp socket: Protocol not available Status in “isc-dhcp” package in Ubuntu: New Bug description: In ubuntu saucy x86_64 dhclient for IPv6 is broken for lowlatency kernel from raring Holen: 1 http://mirror.switch.ch/ftp/mirror/ubuntu/ saucy/main isc-dhcp-client amd64 4.2.4-6ubuntu2 [782 kB] isc-dhcp-client (4.2.4-6ubuntu2) wird eingerichtet ... # dhclient -6 -d -v --no-pid -lf /var/lib/dhcp/dhclient6.wlan0.leases -cf /etc/dhcp/dhclient.conf wlan0 Internet Systems Consortium DHCP Client 4.2.4 Copyright 2004-2012 Internet Systems Consortium. All rights reserved. For info, please visit https://www.isc.org/software/dhcp/ Can't set SO_REUSEPORT option on dhcp socket: Protocol not available unmap(0x7f44fde4e000, 4096) = 0 socket(PF_INET6, SOCK_DGRAM, IPPROTO_UDP) = 5 setsockopt(5, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0 setsockopt(5, SOL_SOCKET, SO_BROADCAST, [1], 4) = 0 setsockopt(5, SOL_SOCKET, 0xf /* SO_??? */, [1], 4) = -1 ENOPROTOOPT (Protocol not available) sendto(3, "<27>May 25 10:58:15 dhclient: Ca"..., 98, MSG_NOSIGNAL, NULL, 0) = 98 write(2, "Can't set SO_REUSEPORT option on"..., 68Can't set SO_REUSEPORT option on dhcp socket: Protocol not available) = 68 write(2, "\n", 1 ) = 1 exit_group(1) = ? version 4.2.4-5ubuntu2 from raring working fine Per strace otput problem is in setting SO_REUSEPORT to socket. This option is not applied to ipv4 socket though socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP) = 6 setsockopt(6, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0 bind(6, {sa_family=AF_INET, sin_port=htons(68), sin_addr=inet_addr("0.0.0.0")}, 16) = 0 sendto(3, "<30>May 25 11:08:14 dhclient: Se"..., 58, MSG_NOSIGNAL, NULL, 0) = 58 This option is not covered by POSIX http://pubs.opengroup.org/onlinepubs/9699919799/functions/V2_chap02.html#tag_15_10_16 even though introduced to linux kernel in v 3.9 while ll kernel used on the system is still 3.8 Linux box.ruff.mobi 3.8.0-22-lowlatency #15-Ubuntu SMP PREEMPT Sat May 18 20:09:46 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux Workaround would be to downgrade isc-dhcp or move to kernel 3.9 Not sure if reuseport is so vital to dhclient package - it was working fine without it. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/isc-dhcp/+bug/1184099/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
