Date: Tue, 14 Jan 2003 20:13:01 +0100 From: Joerg Wunsch <j@uriah.heep.sax.de> To: "Justin T. Gibbs" <gibbs@scsiguy.com> Cc: freebsd-scsi@freebsd.org Subject: Re: quirk candidate: SEAGATE ST52160N Message-ID: <20030114201301.A19952@uriah.heep.sax.de> In-Reply-To: <808290000.1042552117@aslan.scsiguy.com>; from gibbs@scsiguy.com on Tue, Jan 14, 2003 at 06:48:37AM -0700 References: <20030113220055.D50550@uriah.heep.sax.de> <147830000.1042501904@aslan.btc.adaptec.com> <20030114074853.A71485@uriah.heep.sax.de> <774150000.1042549034@aslan.scsiguy.com> <20030114143505.A12331@uriah.heep.sax.de> <808290000.1042552117@aslan.scsiguy.com>
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As Justin T. Gibbs wrote:
> > Isn't byte 0 the `35' for the command?
> Byte 0 of the sense data.
Ah, now i see.
> The strange thing is that the bogus
> error code varied. I wonder if we are somehow corrupting the
> sense data.
Hmm, i've got remote GDB on that machine. Here's the contents of
ccb.ccb_h and ccb.csio after the command:
(gdb) p ccb.ccb_h
$3 = {pinfo = {priority = 1, generation = 1287, index = -2}, xpt_links = {
le = {le_next = 0x0, le_prev = 0xc091b668}, sle = {sle_next = 0x0}, tqe = {
tqe_next = 0x0, tqe_prev = 0xc091b668}, stqe = {stqe_next = 0x0}},
sim_links = {le = {le_next = 0x0, le_prev = 0xc02fa3b4}, sle = {
sle_next = 0x0}, tqe = {tqe_next = 0x0, tqe_prev = 0xc02fa3b4}, stqe = {
stqe_next = 0x0}}, periph_links = {le = {le_next = 0x0,
le_prev = 0x4fc52aec}, sle = {sle_next = 0x0}, tqe = {tqe_next = 0x0,
tqe_prev = 0x4fc52aec}, stqe = {stqe_next = 0x0}}, retry_count = 1,
cbfcnp = 0xc01365c0 <dadone>, func_code = XPT_SCSI_IO, status = 588,
path = 0xc1146520, path_id = 0, target_id = 3, target_lun = 0, flags = 192,
periph_priv = {entries = {{ptr = 0x4, field = 4, bytes = "\004\0\0"}, {
ptr = 0xc4222ab0, field = 3290573488, bytes = "°*\"Ä"}},
bytes = "\004\0\0\0°*\"Ä"}, sim_priv = {entries = {{ptr = 0xc10b41c0,
field = 3238740416, bytes = "ÀA\vÁ"}, {ptr = 0xc1297000,
field = 3240718336, bytes = "\0p)Á"}}, bytes = "ÀA\vÁ\0p)Á"},
timeout = 3600000, timeout_ch = {callout = 0xc1c93438}}
(gdb) p ccb.csio
$4 = {ccb_h = {pinfo = {priority = 1, generation = 1287, index = -2},
xpt_links = {le = {le_next = 0x0, le_prev = 0xc091b668}, sle = {
sle_next = 0x0}, tqe = {tqe_next = 0x0, tqe_prev = 0xc091b668},
stqe = {stqe_next = 0x0}}, sim_links = {le = {le_next = 0x0,
le_prev = 0xc02fa3b4}, sle = {sle_next = 0x0}, tqe = {tqe_next = 0x0,
tqe_prev = 0xc02fa3b4}, stqe = {stqe_next = 0x0}}, periph_links = {
le = {le_next = 0x0, le_prev = 0x4fc52aec}, sle = {sle_next = 0x0},
tqe = {tqe_next = 0x0, tqe_prev = 0x4fc52aec}, stqe = {
stqe_next = 0x0}}, retry_count = 1, cbfcnp = 0xc01365c0 <dadone>,
func_code = XPT_SCSI_IO, status = 588, path = 0xc1146520, path_id = 0,
target_id = 3, target_lun = 0, flags = 192, periph_priv = {entries = {{
ptr = 0x4, field = 4, bytes = "\004\0\0"}, {ptr = 0xc4222ab0,
field = 3290573488, bytes = "°*\"Ä"}}, bytes = "\004\0\0\0°*\"Ä"},
sim_priv = {entries = {{ptr = 0xc10b41c0, field = 3238740416,
bytes = "ÀA\vÁ"}, {ptr = 0xc1297000, field = 3240718336,
bytes = "\0p)Á"}}, bytes = "ÀA\vÁ\0p)Á"}, timeout = 3600000,
timeout_ch = {callout = 0xc1c93438}}, next_ccb = 0xc4222ac8,
req_map = 0xc01868ae "\203Ä\f¡ ..À\205Àt\016¡ ..ÀH£ ..Àë\f\220¸\004",
data_ptr = 0x0, dxfer_len = 0, sense_data = {error_code = 4 '\004',
segment = 0 '\0', flags = 0 '\0', info = "\0\001\0", extra_len = 0 '\0',
cmd_spec_info = "Ø*\"Ä", add_sense_code = 216 'Ø',
add_sense_code_qual = 42 '*', fru = 34 '"', sense_key_spec = "Ä`o",
extra_bytes = "'À\004\0\0\0$+\"Ĭ\227(À"}, sense_len = 32 ' ',
cdb_len = 10 '\n', sglist_cnt = 49431, scsi_status = 2 '\002',
sense_resid = 0 '\0', resid = 0, cdb_io = {
cdb_ptr = 0x35 <Address 0x35 out of bounds>,
cdb_bytes = "5\0\0\0\0\0\0\0\0\0\"Ä~\236\0"}, msg_ptr = 0xc4222b08 "\020",
msg_len = 24, tag_action = 32 ' ', tag_id = 16, init_id = 16}
If you've got a few more hints where to trace something,
that should be easy to do. The machine is a scratch box
only which i can reboot at will.
--
cheers, J"org .-.-. --... ...-- -.. . DL8DTL
http://www.sax.de/~joerg/ NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)
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