Perhaps related to the recent discussion about pf errors? This
happened this morning, on a fully patched 7.2 amd64. dmesg and other
info available on request.
ddb{0}> bt
db_enter() at db_enter+0x10
panic(ffffffff81f30a19) at panic+0xbf
__assert(ffffffff81fa0761,ffffffff81fd3154,637,ffffffff81f6b8f7) at __assert+0x
25
pfsync_grab_snapshot(ffff8000211e0ee0,ffff800000b57000) at pfsync_grab_snapshot
+0x308
pfsync_sendout() at pfsync_sendout+0x89
pfsync_update_state(fffffd905d068020) at pfsync_update_state+0x15b
pf_test(2,3,ffff800000b65000,ffff8000211e1258) at pf_test+0x117a
ip_output(fffffd806e7ce500,0,ffff8000211e13e8,1,0,0,e42ab41b1c818e9c) at ip_out
put+0x6b7
ip_forward(fffffd806e7ce500,ffff800000b53800,fffffd8d52297390,0) at ip_forward+
0x2da
ip_input_if(ffff8000211e1528,ffff8000211e1534,4,0,ffff800000b53800) at ip_input
_if+0x35c
ipv4_input(ffff800000b53800,fffffd806e7ce500) at ipv4_input+0x39
ether_input(ffff800000b53800,fffffd806e7ce500) at ether_input+0x3b1
carp_input(ffff800000b67800,fffffd806e7ce500,5e000106) at carp_input+0x196
ether_input(ffff800000b67800,fffffd806e7ce500) at ether_input+0x1d9
vlan_input(ffff800000b39000,fffffd806e7ce500,ffff8000211e175c) at vlan_input+0x
23d
ether_input(ffff800000b39000,fffffd806e7ce500) at ether_input+0x85
if_input_process(ffff8000002c5048,ffff8000211e17f8) at if_input_process+0x6f
ifiq_process(ffff8000002c8600) at ifiq_process+0x69
taskq_thread(ffff800000033200) at taskq_thread+0x100
end trace frame: 0x0, count: -19
ddb{0}> show panic
*cpu0: kernel diagnostic assertion "st->snapped == 0" failed: file "/usr/src/sy
s/net/if_pfsync.c", line 1591
cpu3: kernel diagnostic assertion "st->snapped == 0" failed: file "/usr/src/sy
s/net/if_pfsync.c", line 1591
cpu1: kernel diagnostic assertion "st->snapped == 0" failed: file "/usr/src/sy
s/net/if_pfsync.c", line 1591
ddb{0}>
--lyndon
