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Re: kern/51301: 7.99.32 has broken IPv6 functionality of pkgsrc/net/openvpn
The following reply was made to PR kern/51301; it has been noted by GNATS.
From: Paul Goyette <paul%whooppee.com@localhost>
To: Ryota Ozaki <ozaki-r%netbsd.org@localhost>
Cc: "gnats-bugs%NetBSD.org@localhost" <gnats-bugs%netbsd.org@localhost>,
kern-bug-people%netbsd.org@localhost, gnats-admin%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost
Subject: Re: kern/51301: 7.99.32 has broken IPv6 functionality of pkgsrc/net/openvpn
Date: Sat, 2 Jul 2016 18:43:25 +0800 (PHT)
> Thank your for the investigation. Could you provide outputs of
> ifconfig tun0 and netstat -nr -f inet6 with kernels w/ and w/o the commit?
# Output from working kernel, built from sources immediately PRIOR TO
# the suspect commit
# ifconfig tun0
tun0: flags=0x8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1500
inet 172.16.1.2 -> 172.16.1.1 netmask 0xffffffff
inet6 fe80::32b5:c2ff:fe05:e66%tun0 -> prefixlen 64 scopeid 0x3
inet6 2605:2700:1:1043::2 -> prefixlen 120
--------------------
# netstat -nr -f inet6
Routing tables
Internet6:
Destination Gateway Flags Refs Use Mtu Interface
::/104 ::1 UGRS - - 33624L lo0
::/96 ::1 UGRS - - 33624L lo0
default 2605:2700:1:1043::1 UGS - - -L tun0
::1 ::1 UH - - 33624L lo0
::127.0.0.0/104 ::1 UGRS - - 33624L lo0
::224.0.0.0/100 ::1 UGRS - - 33624L lo0
::255.0.0.0/104 ::1 UGRS - - 33624L lo0
::ffff:0.0.0.0/96 ::1 UGRS - - 33624L lo0
2001:db8::/32 ::1 UGRS - - 33624L lo0
2002::/24 ::1 UGRS - - 33624L lo0
2002:7f00::/24 ::1 UGRS - - 33624L lo0
2002:e000::/20 ::1 UGRS - - 33624L lo0
2002:ff00::/24 ::1 UGRS - - 33624L lo0
2605:2700:1:1043::/120 link#3 UC - - -L tun0
2605:2700:1:1043::2 tun0 UHl - - -L lo0
fe80::/10 ::1 UGRS - - 33624L lo0
fe80::%re0/64 link#1 UC - - -L re0
fe80::2766:a3b0:b51c:e2c3 link#1 UHl - - -L lo0
fe80::%lo0/64 fe80::1 U - - -L lo0
fe80::1 lo0 UHl - - -L lo0
fe80::%tun0/64 link#3 UC - - -L tun0
fe80::32b5:c2ff:fe05:e66 tun0 UHl - - -L lo0
ff01:1::/32 link#1 UC - - -L re0
ff01:2::/32 ::1 UC - - 33624L lo0
ff01:3::/32 fe80::32b5:c2ff:fe05:e66 UC - - -L tun0
ff02::%re0/32 link#1 UC - - -L re0
ff02::%lo0/32 ::1 UC - - 33624L lo0
ff02::%tun0/32 fe80::32b5:c2ff:fe05:e66 UC - - -L tun0
# Output from working kernel, built from sources immediately AFTER
# the suspect commit
# ifconfig tun0
tun0: flags=0x8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1500
inet 172.16.1.2 -> 172.16.1.1 netmask 0xffffffff
inet6 fe80::32b5:c2ff:fe05:e66%tun0 -> prefixlen 64 scopeid 0x3
inet6 2605:2700:1:1043::2 -> prefixlen 120
# netstat -rn -f inet6
Routing tables
Internet6:
Destination Gateway Flags Refs Use Mtu Interface
::/104 ::1 UGRS - - 33624 lo0
::/96 ::1 UGRS - - 33624 lo0
default 2605:2700:1:1043::1 UGS - - - tun0
::1 ::1 UH - - 33624 lo0
::127.0.0.0/104 ::1 UGRS - - 33624 lo0
::224.0.0.0/100 ::1 UGRS - - 33624 lo0
::255.0.0.0/104 ::1 UGRS - - 33624 lo0
::ffff:0.0.0.0/96 ::1 UGRS - - 33624 lo0
2001:db8::/32 ::1 UGRS - - 33624 lo0
2002::/24 ::1 UGRS - - 33624 lo0
2002:7f00::/24 ::1 UGRS - - 33624 lo0
2002:e000::/20 ::1 UGRS - - 33624 lo0
2002:ff00::/24 ::1 UGRS - - 33624 lo0
2605:2700:1:1043::/120 link#3 UC - - - tun0
2605:2700:1:1043::2 tun0 UHl - - - tun0
fe80::/10 ::1 UGRS - - 33624 lo0
fe80::%re0/64 link#1 UC - - - re0
fe80::2766:a3b0:b51c:e2c3 link#1 UHl - - - lo0
fe80::%lo0/64 fe80::1 U - - - lo0
fe80::1 lo0 UHl - - - lo0
fe80::%tun0/64 link#3 UC - - - tun0
fe80::32b5:c2ff:fe05:e66 tun0 UHl - - - tun0
ff01:1::/32 link#1 UC - - - re0
ff01:2::/32 ::1 UC - - 33624 lo0
ff01:3::/32 fe80::32b5:c2ff:fe05:e66 UC - - - tun0
ff02::%re0/32 link#1 UC - - - re0
ff02::%lo0/32 ::1 UC - - 33624 lo0
ff02::%tun0/32 fe80::32b5:c2ff:fe05:e66 UC - - - tun0
+------------------+--------------------------+------------------------+
| Paul Goyette | PGP Key fingerprint: | E-mail addresses: |
| (Retired) | FA29 0E3B 35AF E8AE 6651 | paul at whooppee.com |
| Kernel Developer | 0786 F758 55DE 53BA 7731 | pgoyette at netbsd.org |
+------------------+--------------------------+------------------------+
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