I got this on a quad sparc64 machine running 7.0 from a few days ago. Both IPv4 and IPv6 are in use on the machine.
I will leave it in DDB for now in case you want something from it, but I should be able to obtain a core. Kris panic: bogus refcnt 0 cpuid = 0 KDB: enter: panic [thread pid 15 tid 100003 ] Stopped at kdb_enter+0x3c: ta %xcc, 1 db> wh Tracing pid 15 tid 100003 td 0xfffff8001fb75680 panic() at panic+0x164 rtfree() at rtfree+0x7c nd6_na_output() at nd6_na_output+0x4d0 nd6_ns_input() at nd6_ns_input+0x704 icmp6_input() at icmp6_input+0xc38 ip6_input() at ip6_input+0xf5c netisr_processqueue() at netisr_processqueue+0x7c swi_net() at swi_net+0xdc ithread_loop() at ithread_loop+0x18c fork_exit() at fork_exit+0x94 fork_trampoline() at fork_trampoline+0x8 db>
pgppI1ApPcZRY.pgp
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