From: Raphael Wegmann <raphael@psi.co.at>
To: bluez-devel@lists.sourceforge.net
Cc: swegmann@repr.at
Subject: [Bluez-devel] rfcomm bluez problem
Date: Sun, 18 Sep 2005 01:04:55 +0200 [thread overview]
Message-ID: <432CA117.5060109@psi.co.at> (raw)
Hello,
the connection to my bluetooth modem doesn't work very reliable.
When I connect successfully, "hcidump -V -X" looks like this:
.
< HCI Command: Create Connection (0x01|0x0005) plen 13
0000: df cd 29 60 10 00 18 cc 02 00 00 00 01 ..)`.........
> HCI Event: Command Status (0x0f) plen 4
Create Connection (0x01|0x0005) status 0x00 ncmd 1
> HCI Event: Link Key Request (0x17) plen 6
0000: df cd 29 60 10 00 ..)`..
< HCI Command: Link Key Request Reply (0x01|0x000b) plen 22
0000: df cd 29 60 10 00 ed 42 d3 73 9a 98 15 6e 09 95 ..)`...B.s...n..
0010: 99 58 13 08 39 e2 .X..9.
> HCI Event: Command Complete (0x0e) plen 10
Link Key Request Reply (0x01|0x000b) ncmd 1
0000: 00 df cd 29 60 10 00 ...)`..
> HCI Event: Connect Complete (0x03) plen 11
status 0x00 handle 41 bdaddr 00:10:60:29:CD:DF type ACL encrypt 0x01
< ACL data: handle 41 flags 0x02 dlen 12
L2CAP(s): Connect req: psm 3 scid 0x0040
< HCI Command: Write Link Policy Settings (0x02|0x000d) plen 4
0000: 29 00 06 00 )...
> HCI Event: Number of Completed Packets (0x13) plen 5
0000: 01 29 00 01 00 .)...
> HCI Event: Command Complete (0x0e) plen 6
Write Link Policy Settings (0x02|0x000d) ncmd 1
0000: 00 29 00 .).
> HCI Event: Page Scan Repetition Mode Change (0x20) plen 7
0000: df cd 29 60 10 00 01 ..)`...
> HCI Event: Max Slots Change (0x1b) plen 3
0000: 29 00 05 )..
> ACL data: handle 41 flags 0x02 dlen 16
L2CAP(s): Connect rsp: dcid 0x0040 scid 0x0040 result 1 status 2
Connection pending - Authorization pending
> ACL data: handle 41 flags 0x02 dlen 16
In the error case, the trace looks like this:
.
< HCI Command: Create Connection (0x01|0x0005) plen 13
0000: df cd 29 60 10 00 18 cc 02 00 00 00 01 ..)`.........
> HCI Event: Command Status (0x0f) plen 4
Create Connection (0x01|0x0005) status 0x00 ncmd 1
> HCI Event: Link Key Request (0x17) plen 6
0000: df cd 29 60 10 00 ..)`..
< HCI Command: Link Key Request Reply (0x01|0x000b) plen 22
0000: df cd 29 60 10 00 ed 42 d3 73 9a 98 15 6e 09 95 ..)`...B.s...n..
0010: 99 58 13 08 39 e2 .X..9.
> HCI Event: Command Complete (0x0e) plen 10
Link Key Request Reply (0x01|0x000b) ncmd 1
0000: 00 df cd 29 60 10 00 ...)`..
> HCI Event: Connect Complete (0x03) plen 11
status 0x00 handle 41 bdaddr 00:10:60:29:CD:DF type ACL encrypt 0x01
< ACL data: handle 41 flags 0x02 dlen 12
L2CAP(s): Connect req: psm 3 scid 0x0040
< HCI Command: Write Link Policy Settings (0x02|0x000d) plen 4
0000: 29 00 06 00 )...
> HCI Event: Command Complete (0x0e) plen 6
Write Link Policy Settings (0x02|0x000d) ncmd 1
0000: 00 29 00 .).
> HCI Event: Page Scan Repetition Mode Change (0x20) plen 7
0000: df cd 29 60 10 00 01 ..)`...
> HCI Event: Max Slots Change (0x1b) plen 3
0000: 29 00 05 )..
< HCI Command: Disconnect (0x01|0x0006) plen 3
0000: 29 00 13 )..
> HCI Event: Command Status (0x0f) plen 4
Disconnect (0x01|0x0006) status 0x00 ncmd 1
> HCI Event: Disconn Complete (0x05) plen 4
status 0x00 handle 41 reason 0x16
Reason: Connection Terminated by Local Host
Sometimes it's enough to restart the bluez-utils Ver 2.15 (hcid & sdpd),
but in other cases I need to reload these kernel modules:
Module Size Used by Not tainted
rfcomm 25376 1
l2cap 13008 2 (autoclean) [rfcomm]
uhci 21468 0 (unused)
hci_usb 7320 1
bluez 24548 3 [rfcomm l2cap hci_usb]
/proc/bus/usb/devices:
T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2
B: Alloc= 27/900 us ( 3%), #Int= 1, #Iso= 2
D: Ver= 1.00 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
P: Vendor=0000 ProdID=0000 Rev= 0.00
S: Product=USB UHCI-alt Root Hub
S: SerialNumber=fce0
C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 0mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
E: Ad=81(I) Atr=03(Int.) MxPS= 8 Ivl=255ms
T: Bus=01 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#= 2 Spd=12 MxCh= 0
D: Ver= 1.10 Cls=e0(unk. ) Sub=01 Prot=01 MxPS=64 #Cfgs= 1
P: Vendor=0a12 ProdID=0001 Rev= 8.28
C:* #Ifs= 3 Cfg#= 1 Atr=c0 MxPwr= 0mA
I: If#= 0 Alt= 0 #EPs= 3 Cls=e0(unk. ) Sub=01 Prot=01 Driver=hci_usb
E: Ad=81(I) Atr=03(Int.) MxPS= 16 Ivl=1ms
E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms
E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms
I: If#= 1 Alt= 0 #EPs= 2 Cls=e0(unk. ) Sub=01 Prot=01 Driver=hci_usb
E: Ad=03(O) Atr=01(Isoc) MxPS= 0 Ivl=1ms
E: Ad=83(I) Atr=01(Isoc) MxPS= 0 Ivl=1ms
I: If#= 1 Alt= 1 #EPs= 2 Cls=e0(unk. ) Sub=01 Prot=01 Driver=hci_usb
E: Ad=03(O) Atr=01(Isoc) MxPS= 9 Ivl=1ms
E: Ad=83(I) Atr=01(Isoc) MxPS= 9 Ivl=1ms
I: If#= 1 Alt= 2 #EPs= 2 Cls=e0(unk. ) Sub=01 Prot=01 Driver=hci_usb
E: Ad=03(O) Atr=01(Isoc) MxPS= 17 Ivl=1ms
E: Ad=83(I) Atr=01(Isoc) MxPS= 17 Ivl=1ms
I: If#= 1 Alt= 3 #EPs= 2 Cls=e0(unk. ) Sub=01 Prot=01 Driver=hci_usb
E: Ad=03(O) Atr=01(Isoc) MxPS= 25 Ivl=1ms
E: Ad=83(I) Atr=01(Isoc) MxPS= 25 Ivl=1ms
I: If#= 1 Alt= 4 #EPs= 2 Cls=e0(unk. ) Sub=01 Prot=01 Driver=hci_usb
E: Ad=03(O) Atr=01(Isoc) MxPS= 33 Ivl=1ms
E: Ad=83(I) Atr=01(Isoc) MxPS= 33 Ivl=1ms
I: If#= 1 Alt= 5 #EPs= 2 Cls=e0(unk. ) Sub=01 Prot=01 Driver=hci_usb
E: Ad=03(O) Atr=01(Isoc) MxPS= 49 Ivl=1ms
E: Ad=83(I) Atr=01(Isoc) MxPS= 49 Ivl=1ms
I: If#= 2 Alt= 0 #EPs= 0 Cls=fe(app. ) Sub=01 Prot=00 Driver=(none)
# lspci -v
...
0000:00:07.2 USB Controller: Intel Corp. 82371AB/EB/MB PIIX4 USB (rev
01) (prog-if 00 [UHCI])
Flags: bus master, medium devsel, latency 64, IRQ 11
I/O ports at fce0 [size=32]
...
# grep BLUEZ config-2.4.27
CONFIG_BLUEZ=m
CONFIG_BLUEZ_L2CAP=m
CONFIG_BLUEZ_SCO=m
CONFIG_BLUEZ_RFCOMM=m
CONFIG_BLUEZ_RFCOMM_TTY=y
CONFIG_BLUEZ_BNEP=m
CONFIG_BLUEZ_BNEP_MC_FILTER=y
CONFIG_BLUEZ_BNEP_PROTO_FILTER=y
CONFIG_BLUEZ_CMTP=m
CONFIG_BLUEZ_HIDP=m
CONFIG_BLUEZ_HCIUSB=m
CONFIG_BLUEZ_HCIUSB_SCO=y
CONFIG_BLUEZ_HCIUART=m
CONFIG_BLUEZ_HCIUART_H4=y
CONFIG_BLUEZ_HCIUART_BCSP=y
# CONFIG_BLUEZ_HCIUART_BCSP_TXCRC is not set
CONFIG_BLUEZ_HCIBFUSB=m
CONFIG_BLUEZ_HCIDTL1=m
CONFIG_BLUEZ_HCIBT3C=m
CONFIG_BLUEZ_HCIBLUECARD=m
CONFIG_BLUEZ_HCIBTUART=m
CONFIG_BLUEZ_HCIVHCI=m
Syslog reports the following errors:
hci_acl_tx_to: hci0 ACL tx timeout
hci_acl_tx_to: hci0 killing stalled ACL connection DF:CD:29:60:10:00
usbdevfs: USBDEVFS_CONTROL failed dev 2 rqt 64 rq 0 len 0 ret -32
best regards
--
Raphael
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next reply other threads:[~2005-09-17 23:04 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-17 23:04 Raphael Wegmann [this message]
2005-09-20 11:45 ` [Bluez-devel] rfcomm bluez problem Marcel Holtmann
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