dhcpcd-discuss

Hi

On Monday 01 August 2016 20:30:15 Roy Marples wrote:
> Hi
> 
> On Friday 29 July 2016 10:48:59 Ondřej Caletka wrote:
> > I'm observing strange issue with dhcpcd. I'm running it via Gentoo's
> > OpenRC in separate instance per network adapter.
> > 
> > Whenever I connect two interfaces to networks offering DHCPv6 (eg. wired
> > and wireless at the same time), I get the DHCPv6 address only on the
> > interface, for which the dhcpcd is run first. The second and any further
> > instance keeps sending SOLICIT6 messages, but never hears the ADV6
> > message that the server keeps replying.
> > 
> > It looks like all ADV6 messages are eaten by the first running instance
> > of dhcpcd, which then complains in the log output: "DHCPv6 reply for
> > unexpected interface from <router LL address>"
> > 
> > If dhcpcd is run in master mode, both interfaces receive their DHCPv6
> > address normally. However, the issue can be reproduced by running
> > another instance in testing mode:
> > 
> > # dhcpcd -BdT6 eth0
> > …
> > eth0: soliciting a DHCPv6 lease
> > eth0: delaying SOLICIT6 (xid 0xaf829d), next in 0.1 seconds
> > eth0: Router Advertisement DAD completed
> > eth0: executing `/lib/dhcpcd/dhcpcd-run-hooks' ROUTERADVERT
> > eth0: broadcasting SOLICIT6 (xid 0xaf829d), next in 1.1 seconds
> > eth0: broadcasting SOLICIT6 (xid 0xaf829d), next in 2.1 seconds
> > eth0: broadcasting SOLICIT6 (xid 0xaf829d), next in 4.1 seconds
> > 
> > In such case the master process complains:
> > eth0: DHCPv6 reply received but already bound
> > 
> > The issue seems to be present at least from version 6.9.0 (I could not
> > compile any older) to 6.11.1.
> > 
> > I hope you will be able to investigate it.
> 
> I will look into it when I can.
> It may take some time as part of my infra is down as I'm chasing some
> ethernet into my walls atm which I need to working to test a second network
> card.

Fixed here:
http://roy.marples.name/projects/dhcpcd/vdiff?from=a8bb9620a7e7897b&to=7b1dd0048e6a4662&sbs=0&v

Roy