Date: Mon, 31 Jan 2011 14:40:55 +0100 From: Przemyslaw Frasunek <przemyslaw@frasunek.com> To: Gleb Smirnoff <glebius@FreeBSD.org> Cc: freebsd-net@FreeBSD.org Subject: Re: Netgraph/mpd5 stability issues Message-ID: <4D46BBE7.7040006@frasunek.com> In-Reply-To: <20110131125440.GK62007@FreeBSD.org> References: <4D3011DB.9050900@frasunek.com> <20110131125440.GK62007@FreeBSD.org>
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> In this dump, can we seek for where did 0x74 came from? Can you look at
> ng_name_hash[hash]?
(kgdb) print hash
No symbol "hash" in current context.
(kgdb) info all
eax 0xffffff9a -102
ecx 0xe7ce6895 -405903211
edx 0xffffff9a -102
ebx 0x74 116
esp 0xcc28c380 0xcc28c380
ebp 0xe7ce6878 0xe7ce6878
esi 0xe7ce6894 -405903212
edi 0xe7ce6ac8 -405902648
[...]
(kgdb) print ng_name_hash[116]
$4 = {lh_first = 0xcbd6fb00}
(kgdb) print *ng_name_hash[116].lh_first
$5 = {nd_name = "ng357", '\0' <repeats 26 times>, nd_type = 0xc61871a0,
nd_flags = 0, nd_refs = 1, nd_numhooks = 0, nd_private = 0xcc3b5e80,
nd_ID = 454681, nd_hooks = {lh_first = 0x0}, nd_nodes = {
le_next = 0xcbbf7900, le_prev = 0xc5f4fad0}, nd_idnodes = {
le_next = 0xcc061680, le_prev = 0xc5f4f744}, nd_work = {tqe_next = 0x0,
tqe_prev = 0x0}, nd_input_queue = {q_flags = 0, q_mtx = {lock_object = {
lo_name = 0xc5f4e986 "ng_node", lo_type = 0xc5f4e986 "ng_node",
lo_flags = 16973824, lo_witness_data = {lod_list = {stqe_next = 0x0},
lod_witness = 0x0}}, mtx_lock = 4, mtx_recurse = 0}, queue = 0x0,
last = 0xcbd6fb70, q_node = 0xcbd6fb00}}
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