NetBSD 3.x, IPv6 and IPF

[Martti Kuparinen <martti.kuparinen%iki.fi@localhost>]

Hi,

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 
netbsd:pfil_run_hooks+0x6e
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 ---
0x246:
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)