My firewall (7.2p3/i386) recently panic'd:
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x1065e
fault code = supervisor read, page not present
...
I have a crashdump that shows:
#6 0xc06c9c1b in calltrap () at /usr/src/sys/i386/i386/exception.s:159
#7 0xc044ecd0 in pf_state_tree_lan_ext_RB_REMOVE_COLOR (head=0xc2a256a8,
parent=0xc442c6a0, elm=0xc40aa8e0) at /usr/src/sys/contrib/pf/net/pf.c:391
#8 0xc044ef79 in pf_state_tree_lan_ext_RB_REMOVE (head=0xc2a256a8,
elm=0xc404a11c) at /usr/src/sys/contrib/pf/net/pf.c:391
#9 0xc045383e in pf_unlink_state (cur=0xc404a11c)
at /usr/src/sys/contrib/pf/net/pf.c:1158
#10 0xc0456b6e in pf_purge_expired_states (maxcheck=119)
at /usr/src/sys/contrib/pf/net/pf.c:1242
#11 0xc04570f9 in pf_purge_thread (v=0x0)
at /usr/src/sys/contrib/pf/net/pf.c:998
#12 0xc0535781 in fork_exit (callout=0xc0456f50 <pf_purge_thread>, arg=0x0,
frame=0xd2d4cd38) at /usr/src/sys/kern/kern_fork.c:810
#13 0xc06c9c90 in fork_trampoline () at /usr/src/sys/i386/i386/exception.s:264
Working up, 'parent' in pf_state_tree_lan_ext_RB_REMOVE_COLOR() has
a garbage u.s.entry_lan_ext:
(kgdb) p parent->u
$3 = {s = {entry_lan_ext = {rbe_left = 0x10602, rbe_right = 0x50000,
rbe_parent = 0xc40aa8e0, rbe_color = -1002258432}, entry_ext_gwy = {
rbe_left = 0xc3c42238, rbe_right = 0x1, rbe_parent = 0x0,
rbe_color = 0}, entry_id = {rbe_left = 0xc3c54470, rbe_right = 0x0,
rbe_parent = 0x0, rbe_color = 0}, entry_list = {tqe_next = 0xc41f9e6c,
tqe_prev = 0x0}, kif = 0xc442c58c},
ifname = "\002\006\001\000\000\000\005\000à¨\nÄ\000ÀBÄ"}
Does anyone have any suggestions on where to look next?
--
Peter Jeremy
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