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NetBSD 3.x, IPv6 and IPF


Anyone else having problems with this combination?

I'm getting now frequent panics and I'm seriously considering upgrading to 4.0 or even to 4.99.x as the "solution"...

# uname -srm
NetBSD 3.1.1_PATCH i386

# dmesg -M /var/crash/netbsd.4.core
fatal page fault in supervisor mode
trap type 6 code 0 eip c015671d cs 8 eflags 10216 cr2 c1cf6004 ilevel 5
panic: trap
Begin traceback...
trap() at netbsd:trap+0x149
--- trap (number 6) ---
fr_checkicmp6matchingstate(c0911980,0,28,c0911980,8) at netbsd:fr_checkicmp6matchingstate+0x95
fr_stlookup(c0911980,c1cf5ff8,c0911948,0,c0911980) at netbsd:fr_stlookup+0x2c4
fr_checkstate(c0911980,c091197c,c0911980,1,6) at netbsd:fr_checkstate+0x21f
fr_check(c1cf5fd0,28,c1bfa04c,1,c0911a88) at netbsd:fr_check+0x4bd
fr_check_wrapper6(0,c0911a88,c1bfa04c,2,0) at netbsd:fr_check_wrapper6+0x23
pfil_run_hooks(c0840360,c0911b0c,c1bfa04c,2,313031) at 
ip6_output(c1cf5f00,0,c0911bb0,4,0) at netbsd:ip6_output+0x687
icmp6_reflect(c1cf5f00,28,1,e,cb49e836) at netbsd:icmp6_reflect+0x287
icmp6_error(c239e200,1,4,0,14) at netbsd:icmp6_error+0x1b8
udp6_input(c0911e40,c0911e0c,11,28,c0911e20) at netbsd:udp6_input+0x1b8
ip6_input(c239e200,0,0,246,0) at netbsd:ip6_input+0x40b
ip6intr(841d0010,50030,10,cd930010,c090e000) at netbsd:ip6intr+0x76
DDB lost frame for netbsd:Xsoftnet+0x4e, trying 0xc0911e60
Xsoftnet() at netbsd:Xsoftnet+0x4e
--- interrupt ---
End traceback...
syncing disks... 12 9 8 7 6 5 4 3 2 1 done

# gdb netbsd.gdb
(gdb) target kcore /var/crash/netbsd.4.core
panic: trap
#0  0x3fec0000 in ?? ()
(gdb) bt
#0  0x3fec0000 in ?? ()
#1  0xc040dafb in cpu_reboot (howto=256, bootstr=0x0)
    at ../../../../arch/i386/i386/machdep.c:751
#2  0xc0394da4 in panic (fmt=0xc0747adc "trap")
    at ../../../../kern/subr_prf.c:242
#3  0xc04183b9 in trap (frame=0xc0911770)
    at ../../../../arch/i386/i386/trap.c:336
#4  0xc0102efb in calltrap ()
#5  0xc01554d4 in fr_stlookup (fin=0xc0911980, tcp=0xc1cf5ff8, ifqp=0xc0911948)
    at ../../../../dist/ipf/netinet/ip_state.c:2268
#6  0xc01559d7 in fr_checkstate (fin=0xc0911980, passp=0xc091197c)
    at ../../../../dist/ipf/netinet/ip_state.c:2482
#7  0xc013a615 in fr_check (ip=0xc1cf5fd0, hlen=40, ifp=0xc1bfa04c, out=1,
    mp=0xc0911a88) at ../../../../dist/ipf/netinet/fil.c:2369
#8  0xc013f68f in fr_check_wrapper6 (arg=0x0, mp=0xc0911a88, ifp=0xc1bfa04c,
    dir=2) at ../../../../dist/ipf/netinet/ip_fil_netbsd.c:210
#9  0xc03db156 in pfil_run_hooks (ph=0xc0840360, mp=0xc0911b0c,
    ifp=0xc1bfa04c, dir=2) at ../../../../net/pfil.c:72
#10 0xc016763b in ip6_output (m0=0xc1cf5f00, opt=0x0, ro=0xc0911bb0, flags=4,
    im6o=0x0, so=0x0, ifpp=0xc0911c38) at ../../../../netinet6/ip6_output.c:811
#11 0xc015a90f in icmp6_reflect (m=0xc1cf5f00, off=40)
    at ../../../../netinet6/icmp6.c:2144
#12 0xc0157d5c in icmp6_error (m=0xc239e200, type=1, code=4, param=0)

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