This is FreeBSD 5.4-PRERELEASE #34: Thu Mar 31 08:39:00 EST 2005 i386/smp,
debug.mpsafenet=1
(kgdb) where
#0 doadump () at pcpu.h:159
#1 0xc0532acb in boot (howto=260) at
/usr/src/sys/kern/kern_shutdown.c:410
#2 0xc0532ef3 in panic (fmt=0xc06d3755 "%s") at
/usr/src/sys/kern/kern_shutdown.c:566
#3 0xc06a6bf4 in trap_fatal (frame=0xd0db2818, eva=0) at
/usr/src/sys/i386/i386/trap.c:809
#4 0xc06a6892 in trap_pfault (frame=0xd0db2818, usermode=0, eva=76) at
/usr/src/sys/i386/i386/trap.c:727
#5 0xc06a63f0 in trap (frame= {tf_fs = 24, tf_es = -1048313840, tf_ds = 16,
tf_edi = -1047673536, tf_esi = -1047620608, tf_ebp = -790943576, tf_isp =
-790943676, tf_ebx = 0, tf_edx = -1046013888, tf_ecx = -1049012736, tf_eax = 0,
tf_trapno = 12, tf_err = 0, tf_eip = -1067675915, tf_cs = 8, tf_eflags = 66050,
tf_esp = -1036605952, tf_ss = 0}) at /usr/src/sys/i386/i386/trap.c:417
#6 0xc069135a in calltrap () at /usr/src/sys/i386/i386/exception.s:140
#7 0x00000018 in ?? ()
#8 0xc1840010 in ?? ()
#9 0x00000010 in ?? ()
#10 0xc18dc540 in ?? ()
#11 0xc18e9400 in ?? ()
#12 0xd0db28a8 in ?? ()
#13 0xd0db2844 in ?? ()
#14 0x00000000 in ?? ()
#15 0xc1a71840 in ?? ()
#16 0xc1795600 in ?? ()
#17 0x00000000 in ?? ()
#18 0x0000000c in ?? ()
#19 0x00000000 in ?? ()
#20 0xc05c8ef5 in in_gif_output (ifp=0xc18e9400, family=0, m=0xc236a600) at
/usr/src/sys/netinet/in_gif.c:215
#21 0xc05b944f in gif_output (ifp=0xc18e9400, m=0xc1871800, dst=0xd0db29f0,
rt=0xc1a71ad4) at /usr/src/sys/net/if_gif.c:417
#22 0xc06049c1 in nd6_output (ifp=0xc18e9400, origifp=0x0, m0=0xc1871800,
dst=0xd0db29f0, rt0=0xc1a71ad4) at /usr/src/sys/netinet6/nd6.c:1997
#23 0xc05fdf53 in ip6_output (m0=0xd0db29ec, opt=0x0, ro=0xd0db29ec, flags=0,
im6o=0x0, ifpp=0x0, inp=0x0) at /usr/src/sys/netinet6/ip6_output.c:1016
#24 0xc05db921 in tcp_output (tp=0xc229cde0) at
/usr/src/sys/netinet/tcp_output.c:1098
#25 0xc05d7d33 in tcp_input (m=0xc2735200, off0=40) at
/usr/src/sys/netinet/tcp_input.c:1300
#26 0xc05d64de in tcp6_input (mp=0x0, offp=0xd0db2c2c, proto=6) at
/usr/src/sys/netinet/tcp_input.c:412
#27 0xc05f9bd5 in ip6_input (m=0xc2735200) at
/usr/src/sys/netinet6/ip6_input.c:819
#28 0xc05bd109 in netisr_processqueue (ni=0xc07453e4) at
/usr/src/sys/net/netisr.c:233
#29 0xc05bd319 in swi_net (dummy=0x0) at /usr/src/sys/net/netisr.c:340
#30 0xc05187f8 in ithread_loop (arg=0xc178c080) at
/usr/src/sys/kern/kern_intr.c:547
#31 0xc0517410 in fork_exit (callout=0xc0518640 <ithread_loop>, arg=0x0,
frame=0x0) at /usr/src/sys/kern/kern_fork.c:790
#32 0xc06913bc in fork_trampoline () at /usr/src/sys/i386/i386/exception.s:209
(kgdb) frame 20
#20 0xc05c8ef5 in in_gif_output (ifp=0xc18e9400, family=0, m=0xc236a600) at
/usr/src/sys/netinet/in_gif.c:215
215 RTFREE(sc->gif_ro.ro_rt);
(kgdb) l
210
211 error = ip_output(m, NULL, &sc->gif_ro, 0, NULL, NULL);
212
213 if (!(sc->gif_if.if_flags & IFF_LINK0) &&
214 sc->gif_ro.ro_rt != NULL) {
215 RTFREE(sc->gif_ro.ro_rt);
216 sc->gif_ro.ro_rt = NULL;
217 }
218
219 return (error);