NetBSD Problem Report #52652

From htodd@i8u.org  Tue Oct 24 23:12:37 2017
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Message-Id: <20171024231235.17EFD16C9B9F@chris.i8u.org>
Date: Tue, 24 Oct 2017 16:12:35 -0700 (PDT)
From: htodd@i8u.org
Reply-To: htodd@i8u.org
To: gnats-bugs@NetBSD.org
Subject: can no longer ping6 www.kame.net with latest -8 pullups
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>Number:         52652
>Category:       kern
>Synopsis:       can no longer ping6 www.kame.net with latest -8 pullups
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    kern-bug-people
>State:          closed
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue Oct 24 23:15:00 +0000 2017
>Closed-Date:    Mon Nov 20 00:01:39 +0000 2017
>Last-Modified:  Mon Nov 20 00:01:39 +0000 2017
>Originator:     Hisashi T Fujinaka - htodd@twofifty.com
>Release:        NetBSD 8.0_BETA
>Organization:
none
>Environment:


System: NetBSD chris.i8u.org 8.0_BETA NetBSD 8.0_BETA (CHRIS) #170: Sat Oct 21 14:40:14 PDT 2017 htodd@chris.i8u.org:/usr/obj/amd64/sys/arch/amd64/compile/CHRIS amd64
Architecture: x86_64
Machine: amd64
>Description:
After the commit:

CVS commit: [netbsd-8] src
Date: Tue, 24 Oct 2017 08:55:56 +0000

I can't ping6 www.kame.net. 

% sudo dhcpcd -dB6T --nodhcp6 wm0
dhcpcd-7.0.0-rc3 starting
DUID 00:01:00:01:1a:4b:2e:ab:00:1b:21:69:c3:70
wm0: IAID 9f:8f:10:aa
wm0: delaying IPv6 router solicitation for 0.7 seconds
wm0: soliciting an IPv6 router
wm0: sending Router Solicitation
wm0: sending Router Solicitation
wm0: sending Router Solicitation
wm0: sending Router Solicitation
wm0: no IPv6 Routers available
timed out
dhcpcd exited

If I revert back before this commit (using git, just because) ping6 www.kame.net works and I see

% sudo dhcpcd -dB6T --nodhcp6 wm0
dhcpcd-7.0.0-rc3 starting
DUID 00:01:00:01:1a:4b:2e:ab:00:1b:21:69:c3:70
wm0: IAID 9f:8f:10:aa
wm0: delaying IPv6 router solicitation for 0.6 seconds
wm0: soliciting an IPv6 router
wm0: sending Router Solicitation
wm0: Router Advertisement from fe80::201:c0ff:fe09:c062
wm0: executing `/libexec/dhcpcd-run-hooks' TEST
interface=wm0
pid=945
reason=TEST
ifcarrier=up
ifflags=4294936643
ifmtu=1500
ifwireless=0
nd1_acquired=628
nd1_addr1=2603:3004:a:31e3:3e1e:52c1:5c11:3b60/64
nd1_from=fe80::201:c0ff:fe09:c062
nd1_now=628
nd1_prefix_information1_flags=LA
nd1_prefix_information1_length=64
nd1_prefix_information1_pltime=604800
nd1_prefix_information1_prefix=2603:3004:a:31e3::
nd1_prefix_information1_vltime=2592000
nd1_source_address=0001c009c062
dhcpcd exited




>How-To-Repeat:
update netbsd-8, and also use a netbsd-8 gateway connected to Comcast.

>Fix:
Yes please. Otherwise, a revert will work too.


>Release-Note:

>Audit-Trail:

Responsible-Changed-From-To: gnats-admin->kern-bug-people
Responsible-Changed-By: wiz@NetBSD.org
Responsible-Changed-When: Mon, 20 Nov 2017 00:01:39 +0000
Responsible-Changed-Why:
Duplicate of 52659


State-Changed-From-To: open->closed
State-Changed-By: wiz@NetBSD.org
State-Changed-When: Mon, 20 Nov 2017 00:01:39 +0000
State-Changed-Why:


>Unformatted:

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