2.6.19.2 IPv6 ND broken because ff02::1 not joined

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Hi,

FC6 updates-testing kernel based on 2.6.19.2 (kernel-2.6.19-1.2895.fc6) seems to have a broken IPv6 stateless address autoconf. The previous, successfully tested version was based on 2.6.18.5 (kernel-2.6.18-1.2860.fc6).

The problem appears to be that the host is not joining the all-nodes multicast address (ff02::1) [netstat -g -n], so the IP layer isn't processing the received router advertisements even though you can see them with tcpdump. The solicited node mcast address is joined though. Loopback interface doesn't join ff02::1 either.

linux-2.6-xen.patch at least seems to be making some modifications to IPv6 ND code, but I didn't look closely enough if that's the culprit.

If it matters, the network adapter is Realtek 8139.

--
Pekka Savola                 "You each name yourselves king, yet the
Netcore Oy                    kingdom bleeds."
Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings

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