troubleshooting jabra headset btsco connection
I have a Jabra 250 headset and I would like to use this with my Thinkpad X31 notebook, but btsco does not report a connection, and sound does not play. The notebook has built-in bluetooth. Here are my software versions:
# rpm -qa | grep -i bluez bluez-libs-devel-2.10-2 bluez-hcidump-1.11-1 bluez-utils-2.10-2 bluez-libs-2.10-2 bluez-bluefw-1.0-6 bluez-pin-0.23-3
Today (3/19/2005) I cleanly checked out the btsco package, configured, built, and installed in the main directory. Then I cd into the kernel directory and typed 'make install' to get the snd_bt_sco.ko module.
# lsmod | grep sco # modprobe snd_bt_sco # lsmod | grep sco snd_bt_sco 16416 0 snd_hwdep 8901 1 snd_bt_sco snd_pcm 93001 5 snd_bt_sco,snd_intel8x0m,snd_intel8x0,snd_ac97_codec,snd_pcm_oss snd 52645 11 snd_bt_sco,snd_hwdep,snd_intel8x0m,snd_intel8x0,snd_ac97_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer snd_page_alloc 9541 4 snd_bt_sco,snd_intel8x0m,snd_intel8x0,snd_pcm
# hciconfig -a
hci0: Type: USB
BD Address: 00:20:E0:75:D6:F6 ACL MTU: 192:8 SCO MTU: 64:8
UP RUNNING PSCAN ISCAN
RX bytes:5610037 acl:288 sco:109741 events:572 errors:0
TX bytes:5518964 acl:224 sco:108083 commands:189 errors:0
Features: 0xff 0xff 0x0f 0x00 0x00 0x00 0x00 0x00
Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
Link policy: RSWITCH HOLD SNIFF PARK
Link mode: SLAVE ACCEPT
Name: 'localhost.localdomain-0'
Class: 0x120104
Service Classes: Networking, Object Transfer
Device Class: Computer, Desktop workstation
HCI Ver: 1.1 (0x1) HCI Rev: 0x222 LMP Ver: 1.1 (0x1) LMP Subver: 0x222
Manufacturer: Cambridge Silicon Radio (10)I have paired my device and I can ping it with l2ping:
# l2ping 00:07:A4:06:40:99 Ping: 00:07:A4:06:40:99 from 00:20:E0:75:D6:F6 (data size 20) ... 44 bytes from 00:07:A4:06:40:99 id 200 time 70.83ms 44 bytes from 00:07:A4:06:40:99 id 201 time 35.24ms 44 bytes from 00:07:A4:06:40:99 id 202 time 36.22ms 44 bytes from 00:07:A4:06:40:99 id 203 time 46.33ms 4 sent, 4 received, 0% loss
Searching confirms that that address is my headset:
# sdptool search --bdaddr 00:07:A4:06:40:99 0x1108
Class 0x1108
Searching for 0x1108 on 00:07:A4:06:40:99 ...
Service Name: Headset
Service RecHandle: 0x10000
Service Class ID List:
"Headset" (0x1108)
"Generic Audio" (0x1203)
Protocol Descriptor List:
"L2CAP" (0x0100)
"RFCOMM" (0x0003)
Channel: 1
Profile Descriptor List:
"Headset" (0x1108)
Version: 0x0100My headset is now on (the blue light flashes once every three seconds). The first time I run btsco:
# btsco 00:07:A4:06:40:99 1 Can't connect RFCOMM channel: Device or resource busy
Here's the hcidump -X output during the above command:
< HCI Command: Read Voice Setting (0x03|0x0025) plen 0
Quoted 1 line
HCI Event: Command Complete (
0x0e) plen 6
0000: 01 25 0c 00 60 00 .%..`.
< HCI Command: Create Connection (0x01|0x0005) plen 13
0000: 99 40 06 a4 07 00 18 cc 02 00 00 00 01 .@...........Quoted 1 line
HCI Event: Command Status (
0x0f) plen 4
0000: 0c 01 05 04 ....
Quoted 1 line
HCI Event: Connect Complete (
0x03) plen 11
0000: 04 00 00 00 00 00 00 00 00 01 00 ...........
The *second* time I run btsco, it doesn't print an error --- in fact it doesn't print anything:
# btsco 00:07:A4:06:40:99 1
Here is the hcidump -X output during the above command:
< HCI Command: Read Voice Setting (0x03|0x0025) plen 0
Quoted 1 line
HCI Event: Command Complete (
0x0e) plen 6
0000: 01 25 0c 00 60 00 .%..`.
< HCI Command: Create Connection (0x01|0x0005) plen 13
0000: 99 40 06 a4 07 00 18 cc 02 00 00 00 01 .@...........Quoted 1 line
HCI Event: Command Status (
0x0f) plen 4
0000: 00 01 05 04 ....
Quoted 1 line
HCI Event: Link Key Request (
0x17) plen 6
0000: 99 40 06 a4 07 00 .@....
< HCI Command: Link Key Request Reply (0x01|0x000b) plen 22
0000: 99 40 06 a4 07 00 e0 b5 ad 2a 5e 49 b2 0d 44 b3 .@.......*^I..D.
0010: 98 be 56 78 1c 3c ..Vx.<Quoted 1 line
HCI Event: Command Complete (
0x0e) plen 10
0000: 01 0b 04 00 99 40 06 a4 07 00 .....@....
Quoted 1 line
HCI Event: Connect Complete (
0x03) plen 11
0000: 00 29 00 99 40 06 a4 07 00 01 01 .)..@......
< ACL data: handle 0x0029 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 0f 00 )...Quoted 1 line
HCI Event: Number of Completed Packets (
0x13) plen 5
0000: 01 29 00 01 00 .)...
Quoted 1 line
HCI Event: Command Complete (
0x0e) plen 6
0000: 01 0d 08 00 29 00 ....).
Quoted 1 line
HCI Event: Page Scan Repetition Mode Change (
0x20) plen 7
0000: 99 40 06 a4 07 00 01 .@.....
Quoted 1 line
ACL data: handle
0x0029flags0x02dlen 16
L2CAP(s): Connect rsp: dcid 0x0048 scid 0x0040 result 1 status 2
Quoted 1 line
ACL data: handle
0x0029flags0x02dlen 16
L2CAP(s): Connect rsp: dcid 0x0048 scid 0x0040 result 0 status 0
< ACL data: handle 0x0029 flags 0x02 dlen 16
L2CAP(s): Config req: dcid 0x0048 flags 0x0000 clen 4
MTU 1024 Quoted 1 line
HCI Event: Number of Completed Packets (
0x13) plen 5
0000: 01 29 00 01 00 .)...
Quoted 1 line
ACL data: handle
0x0029flags0x02dlen 14
L2CAP(s): Config rsp: scid 0x0040 flags 0x0000 result 0 clen 0
Quoted 1 line
ACL data: handle
0x0029flags0x02dlen 16
L2CAP(s): Config req: dcid 0x0040 flags 0x0000 clen 4
MTU 1024
< ACL data: handle 0x0029 flags 0x02 dlen 14
L2CAP(s): Config rsp: scid 0x0048 flags 0x0000 result 0 clen 0
< ACL data: handle 0x0029 flags 0x02 dlen 8
L2CAP(d): cid 0x0048 len 4 [psm 3]
RFCOMM(s): SABM: cr 1 dlci 0 pf 1 ilen 0 fcs 0x1c Quoted 1 line
HCI Event: Number of Completed Packets (
0x13) plen 5
0000: 01 29 00 01 00 .)...
Quoted 1 line
HCI Event: Number of Completed Packets (
0x13) plen 5
0000: 01 29 00 01 00 .)...
Quoted 1 line
ACL data: handle
0x0029flags0x02dlen 8
L2CAP(d): cid 0x0040 len 4 [psm 3]
RFCOMM(s): UA: cr 1 dlci 0 pf 1 ilen 0 fcs 0xd7 < ACL data: handle 0x0029 flags 0x02 dlen 18
L2CAP(d): cid 0x0048 len 14 [psm 3]
RFCOMM(s): PN CMD: cr 1 dlci 0 pf 0 ilen 10 fcs 0x70 mcc_len 8 dlci 2 frame_type 0 credit_flow 15 pri 7 ack_timer 0 frame_size 1019 max_retrans 0 credits 7
Quoted 1 line
HCI Event: Number of Completed Packets (
0x13) plen 5
0000: 01 29 00 01 00 .)...
Quoted 1 line
ACL data: handle
0x0029flags0x02dlen 18
L2CAP(d): cid 0x0040 len 14 [psm 3]
RFCOMM(s): PN RSP: cr 0 dlci 0 pf 0 ilen 10 fcs 0xaa mcc_len 8 dlci 2 frame_type 0 credit_flow 14 pri 7 ack_timer 0 frame_size 127 max_retrans 0 credits 0
< ACL data: handle 0x0029 flags 0x02 dlen 8
L2CAP(d): cid 0x0048 len 4 [psm 3]
RFCOMM(s): SABM: cr 1 dlci 2 pf 1 ilen 0 fcs 0x59 Quoted 1 line
HCI Event: Number of Completed Packets (
0x13) plen 5
0000: 01 29 00 01 00 .)...
Quoted 1 line
ACL data: handle
0x0029flags0x02dlen 8
L2CAP(d): cid 0x0040 len 4 [psm 3]
RFCOMM(s): UA: cr 1 dlci 2 pf 1 ilen 0 fcs 0x92
< ACL data: handle 0x0029 flags 0x02 dlen 12
L2CAP(d): cid 0x0048 len 8 [psm 3]
RFCOMM(s): MSC CMD: cr 1 dlci 0 pf 0 ilen 4 fcs 0x70 mcc_len 2
dlci 2 fc 0 rtc 1 rtr 1 ic 0 dv 1 b1 0 b2 0 b3 0 len 0Quoted 1 line
ACL data: handle
0x0029flags0x02dlen 12
L2CAP(d): cid 0x0040 len 8 [psm 3]
RFCOMM(s): MSC CMD: cr 0 dlci 0 pf 0 ilen 4 fcs 0xaa mcc_len 2
dlci 2 fc 0 rtc 1 rtr 1 ic 0 dv 0 b1 0 b2 0 b3 0 len 0
< ACL data: handle 0x0029 flags 0x02 dlen 12
L2CAP(d): cid 0x0048 len 8 [psm 3]
RFCOMM(s): MSC RSP: cr 1 dlci 0 pf 0 ilen 4 fcs 0x70 mcc_len 2
dlci 2 fc 0 rtc 1 rtr 1 ic 0 dv 0 b1 0 b2 0 b3 0 len 0Quoted 1 line
HCI Event: Number of Completed Packets (
0x13) plen 5
0000: 01 29 00 01 00 .)...
Quoted 1 line
HCI Event: Number of Completed Packets (
0x13) plen 5
0000: 01 29 00 01 00 .)...
Quoted 1 line
ACL data: handle
0x0029flags0x02dlen 12
L2CAP(d): cid 0x0040 len 8 [psm 3]
RFCOMM(s): MSC RSP: cr 0 dlci 0 pf 0 ilen 4 fcs 0xaa mcc_len 2
dlci 2 fc 0 rtc 1 rtr 1 ic 0 dv 1 b1 0 b2 0 b3 0 len 0
< ACL data: handle 0x0029 flags 0x02 dlen 9
L2CAP(d): cid 0x0048 len 5 [psm 3]
RFCOMM(d): UIH: cr 1 dlci 2 pf 1 ilen 0 fcs 0x86 credits 33Quoted 1 line
ACL data: handle
0x0029flags0x02dlen 9
L2CAP(d): cid 0x0040 len 5 [psm 3]
RFCOMM(d): UIH: cr 0 dlci 2 pf 1 ilen 0 fcs 0x5c credits 15Quoted 1 line
HCI Event: Number of Completed Packets (
0x13) plen 5
0000: 01 29 00 01 00 .)...
Quoted 1 line
HCI Event: Mode Change (
0x14) plen 6
0000: 00 29 00 02 00 08 .)....
When I try to play music over the headset, it appears to work:
# aplay -D plughw:Headset "/home/music/music/Where It's At.wav" Playing WAVE '/home/music/music/Where It's At.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo
Here is the hcidump -X output of the above command, somewhat truncated:
< HCI Command: Add SCO Connection (0x01|0x0007) plen 4
0000: 29 00 e0 00 )...
Quoted 1 line
HCI Event: Command Status (
0x0f) plen 4
0000: 00 01 07 04 ....
Quoted 1 line
HCI Event: Connect Complete (
0x03) plen 11
0000: 00 2c 00 99 40 06 a4 07 00 00 01 .,..@......
Quoted 1 line
SCO data: handle
0x002cdlen 48
0000: 10 00 13 00 13 00 29 00 0f 00 ac 20 00 00 15 00 ......).... ....
0010: 11 00 25 00 24 00 16 00 14 00 0d 00 11 00 23 00 ..%.$.........#.
0020: 1f 00 10 00 16 00 11 00 0f 00 1a 00 13 00 0c 00 ................Quoted 1 line
SCO data: handle
0x002cdlen 48
0000: 0c 00 0b 00 14 00 12 00 0a 00 09 00 ff ff 05 00 ................
0010: 22 00 22 00 17 00 05 00 15 00 11 00 0a 00 18 00 ".".............
0020: 22 00 1b 00 12 00 1c 00 16 00 04 00 17 00 1a 00 "...............Quoted 1 line
SCO data: handle
0x002cdlen 48
0000: 10 00 15 00 0a 00 13 00 1f 00 0f 00 14 00 16 00 ................
0010: 0f 00 17 00 14 00 08 00 06 00 fb ff 08 00 23 00 ..............#.
0020: 23 00 12 00 08 00 14 00 0e 00 0f 00 20 00 28 00 #........... .(.Quoted 1 line
SCO data: handle
0x002cdlen 48
0000: 1d 00 0b 00 13 00 21 00 10 00 16 00 1f 00 12 00 ......!.........
0010: 17 00 14 00 10 00 16 00 10 00 13 00 16 00 19 00 ................
0020: 1a 00 11 00 17 00 14 00 f9 ff 03 00 24 00 18 00 ............$...Quoted 1 line
SCO data: handle
0x002cdlen 48
0000: 0f 00 19 00 04 00 0a 00 23 00 27 00 1e 00 09 00 ........#.'.....
0010: 11 00 1f 00 10 00 17 00 12 00 0d 00 25 00 14 00 ............%...
0020: 0d 00 17 00 08 00 0f 00 11 00 0b 00 1d 00 1c 00 ................Quoted 1 line
SCO data: handle
0x002cdlen 48
0000: 08 00 0d 00 0a 00 02 00 15 00 15 00 08 00 02 00 ................
0010: 10 00 10 00 10 00 1a 00 1d 00 1e 00 12 00 0f 00 ................
0020: 1d 00 0f 00 13 00 21 00 12 00 19 00 1a 00 0d 00 ......!.........Quoted 1 line
SCO data: handle
0x002cdlen 48
0000: 13 00 1b 00 16 00 05 00 12 00 1a 00 09 00 0f 00 ................
0010: 06 00 ff ff 11 00 1c 00 1c 00 18 00 09 00 11 00 ................
0020: 0d 00 f6 ff 12 00 23 00 16 00 13 00 10 00 1a 00 ......#.........Quoted 1 line
SCO data: handle
0x002cdlen 48
0000: 0f 00 11 00 1d 00 10 00 1a 00 16 00 08 00 19 00 ................
0010: 15 00 0c 00 0b 00 06 00 14 00 19 00 04 00 01 00 ................This continues until I kill the aplay process.
One interesting thing I noticed: after invoking aplay, there is a new module loaded into the kernel:
# lsmod | grep sco sco 15685 0 snd_bt_sco 16416 1 snd_hwdep 8901 2 snd_bt_sco bluetooth 48453 10 sco,hci_usb,rfcomm,l2cap snd_pcm 93001 5 snd_bt_sco,snd_intel8x0m,snd_intel8x0,snd_ac97_codec,snd_pcm_oss snd 52645 12 snd_bt_sco,snd_hwdep,snd_intel8x0m,snd_intel8x0,snd_ac97_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer snd_page_alloc 9541 4 snd_bt_sco,snd_intel8x0m,snd_intel8x0,snd_pcm
Note the "sco" module. That is a module that had been installed along with my kernel in /lib/modules/2.6.10-1.770_FC3/kernel/net/bluetooth/sco.ko.
Can anyone tell me why btsco does not report a connection, and why I'm unable to hear the audio that appears to be streaming over hci0 as a result of the aplay command?
Thanks,
Dave
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David,
What do you get when you run
hciconfig hci0 revision
as root?
Are you running esd?
What do you get when running btsco with -v (verbose)?
Do you have another bt adapter (eg usb) you can try?
Brad
Quoted 272 lines · David Wuertele
I have a Jabra 250 headset and I would like to use this with my Thinkpad X31 notebook, but btsco does not report a connection, and sound does not play. The notebook has built-in bluetooth. Here are my software versions:
# rpm -qa | grep -i bluez bluez-libs-devel-2.10-2 bluez-hcidump-1.11-1 bluez-utils-2.10-2 bluez-libs-2.10-2 bluez-bluefw-1.0-6 bluez-pin-0.23-3Today (3/19/2005) I cleanly checked out the btsco package, configured, built, and installed in the main directory. Then I cd into the kernel directory and typed 'make install' to get the snd_bt_sco.ko module.
# lsmod | grep sco # modprobe snd_bt_sco # lsmod | grep sco snd_bt_sco 16416 0 snd_hwdep 8901 1 snd_bt_sco snd_pcm 93001 5 snd_bt_sco,snd_intel8x0m,snd_intel8x0,snd_ac97_codec,snd_pcm_oss snd 52645 11 snd_bt_sco,snd_hwdep,snd_intel8x0m,snd_intel8x0,snd_ac97_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer snd_page_alloc 9541 4 snd_bt_sco,snd_intel8x0m,snd_intel8x0,snd_pcm# hciconfig -a hci0: Type: USB BD Address: 00:20:E0:75:D6:F6 ACL MTU: 192:8 SCO MTU: 64:8 UP RUNNING PSCAN ISCAN RX bytes:5610037 acl:288 sco:109741 events:572 errors:0 TX bytes:5518964 acl:224 sco:108083 commands:189 errors:0 Features: 0xff 0xff 0x0f 0x00 0x00 0x00 0x00 0x00 Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 Link policy: RSWITCH HOLD SNIFF PARK Link mode: SLAVE ACCEPT Name: 'localhost.localdomain-0' Class: 0x120104 Service Classes: Networking, Object Transfer Device Class: Computer, Desktop workstation HCI Ver: 1.1 (0x1) HCI Rev: 0x222 LMP Ver: 1.1 (0x1) LMP Subver: 0x222 Manufacturer: Cambridge Silicon Radio (10)I have paired my device and I can ping it with l2ping:
# l2ping 00:07:A4:06:40:99 Ping: 00:07:A4:06:40:99 from 00:20:E0:75:D6:F6 (data size 20) ... 44 bytes from 00:07:A4:06:40:99 id 200 time 70.83ms 44 bytes from 00:07:A4:06:40:99 id 201 time 35.24ms 44 bytes from 00:07:A4:06:40:99 id 202 time 36.22ms 44 bytes from 00:07:A4:06:40:99 id 203 time 46.33ms 4 sent, 4 received, 0% lossSearching confirms that that address is my headset:
# sdptool search --bdaddr 00:07:A4:06:40:99 0x1108 Class 0x1108 Searching for 0x1108 on 00:07:A4:06:40:99 ... Service Name: Headset Service RecHandle: 0x10000 Service Class ID List: "Headset" (0x1108) "Generic Audio" (0x1203) Protocol Descriptor List: "L2CAP" (0x0100) "RFCOMM" (0x0003) Channel: 1 Profile Descriptor List: "Headset" (0x1108) Version: 0x0100My headset is now on (the blue light flashes once every three seconds). The first time I run btsco:
# btsco 00:07:A4:06:40:99 1 Can't connect RFCOMM channel: Device or resource busyHere's the hcidump -X output during the above command:
< HCI Command: Read Voice Setting (0x03|0x0025) plen 0
Quoted 1 line
HCI Event: Command Complete (
0x0e) plen 60000: 01 25 0c 00 60 00 .%..`. < HCI Command: Create Connection (0x01|0x0005) plen 13 0000: 99 40 06 a4 07 00 18 cc 02 00 00 00 01 .@...........Quoted 1 line
HCI Event: Command Status (
0x0f) plen 40000: 0c 01 05 04 ....Quoted 1 line
HCI Event: Connect Complete (
0x03) plen 110000: 04 00 00 00 00 00 00 00 00 01 00 ...........The *second* time I run btsco, it doesn't print an error --- in fact it doesn't print anything:
# btsco 00:07:A4:06:40:99 1Here is the hcidump -X output during the above command:
< HCI Command: Read Voice Setting (0x03|0x0025) plen 0
Quoted 1 line
HCI Event: Command Complete (
0x0e) plen 60000: 01 25 0c 00 60 00 .%..`. < HCI Command: Create Connection (0x01|0x0005) plen 13 0000: 99 40 06 a4 07 00 18 cc 02 00 00 00 01 .@...........Quoted 1 line
HCI Event: Command Status (
0x0f) plen 40000: 00 01 05 04 ....Quoted 1 line
HCI Event: Link Key Request (
0x17) plen 60000: 99 40 06 a4 07 00 .@.... < HCI Command: Link Key Request Reply (0x01|0x000b) plen 22 0000: 99 40 06 a4 07 00 e0 b5 ad 2a 5e 49 b2 0d 44 b3 .@.......*^I..D. 0010: 98 be 56 78 1c 3c ..Vx.<Quoted 1 line
HCI Event: Command Complete (
0x0e) plen 100000: 01 0b 04 00 99 40 06 a4 07 00 .....@....Quoted 1 line
HCI Event: Connect Complete (
0x03) plen 110000: 00 29 00 99 40 06 a4 07 00 01 01 .)..@...... < ACL data: handle 0x0029 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 0f 00 )...Quoted 1 line
HCI Event: Number of Completed Packets (
0x13) plen 50000: 01 29 00 01 00 .)...Quoted 1 line
HCI Event: Command Complete (
0x0e) plen 60000: 01 0d 08 00 29 00 ....).Quoted 1 line
HCI Event: Page Scan Repetition Mode Change (
0x20) plen 70000: 99 40 06 a4 07 00 01 .@.....Quoted 1 line
ACL data: handle
0x0029flags0x02dlen 16L2CAP(s): Connect rsp: dcid 0x0048 scid 0x0040 result 1 status 2Quoted 1 line
ACL data: handle
0x0029flags0x02dlen 16L2CAP(s): Connect rsp: dcid 0x0048 scid 0x0040 result 0 status 0 < ACL data: handle 0x0029 flags 0x02 dlen 16 L2CAP(s): Config req: dcid 0x0048 flags 0x0000 clen 4 MTU 1024Quoted 1 line
HCI Event: Number of Completed Packets (
0x13) plen 50000: 01 29 00 01 00 .)...Quoted 1 line
ACL data: handle
0x0029flags0x02dlen 14L2CAP(s): Config rsp: scid 0x0040 flags 0x0000 result 0 clen 0Quoted 1 line
ACL data: handle
0x0029flags0x02dlen 16L2CAP(s): Config req: dcid 0x0040 flags 0x0000 clen 4 MTU 1024 < ACL data: handle 0x0029 flags 0x02 dlen 14 L2CAP(s): Config rsp: scid 0x0048 flags 0x0000 result 0 clen 0 < ACL data: handle 0x0029 flags 0x02 dlen 8 L2CAP(d): cid 0x0048 len 4 [psm 3] RFCOMM(s): SABM: cr 1 dlci 0 pf 1 ilen 0 fcs 0x1cQuoted 1 line
HCI Event: Number of Completed Packets (
0x13) plen 50000: 01 29 00 01 00 .)...Quoted 1 line
HCI Event: Number of Completed Packets (
0x13) plen 50000: 01 29 00 01 00 .)...Quoted 1 line
ACL data: handle
0x0029flags0x02dlen 8L2CAP(d): cid 0x0040 len 4 [psm 3] RFCOMM(s): UA: cr 1 dlci 0 pf 1 ilen 0 fcs 0xd7< ACL data: handle
0x0029flags0x02dlen 18
L2CAP(d): cid0x0048len 14 [psm 3]
RFCOMM(s): PN CMD: cr 1 dlci 0 pf 0 ilen 10 fcs0x70mcc_len8 dlci 2frame_type0credit_flow15 pri 7ack_timer0frame_size1019max_retrans0 credits 7Quoted 1 line
HCI Event: Number of Completed Packets (
0x13) plen 50000: 01 29 00 01 00 .)...Quoted 1 line
ACL data: handle
0x0029flags0x02dlen 18L2CAP(d): cid
0x0040len 14 [psm 3]
RFCOMM(s): PN RSP: cr 0 dlci 0 pf 0 ilen 10 fcs0xaamcc_len8 dlci 2frame_type0credit_flow14 pri 7ack_timer0frame_size127max_retrans0 credits 0
< ACL data: handle0x0029flags0x02dlen 8L2CAP(d): cid 0x0048 len 4 [psm 3] RFCOMM(s): SABM: cr 1 dlci 2 pf 1 ilen 0 fcs 0x59Quoted 1 line
HCI Event: Number of Completed Packets (
0x13) plen 50000: 01 29 00 01 00 .)...Quoted 1 line
ACL data: handle
0x0029flags0x02dlen 8L2CAP(d): cid 0x0040 len 4 [psm 3] RFCOMM(s): UA: cr 1 dlci 2 pf 1 ilen 0 fcs 0x92 < ACL data: handle 0x0029 flags 0x02 dlen 12 L2CAP(d): cid 0x0048 len 8 [psm 3] RFCOMM(s): MSC CMD: cr 1 dlci 0 pf 0 ilen 4 fcs 0x70 mcc_len 2 dlci 2 fc 0 rtc 1 rtr 1 ic 0 dv 1 b1 0 b2 0 b3 0 len 0Quoted 1 line
ACL data: handle
0x0029flags0x02dlen 12L2CAP(d): cid 0x0040 len 8 [psm 3] RFCOMM(s): MSC CMD: cr 0 dlci 0 pf 0 ilen 4 fcs 0xaa mcc_len 2 dlci 2 fc 0 rtc 1 rtr 1 ic 0 dv 0 b1 0 b2 0 b3 0 len 0 < ACL data: handle 0x0029 flags 0x02 dlen 12 L2CAP(d): cid 0x0048 len 8 [psm 3] RFCOMM(s): MSC RSP: cr 1 dlci 0 pf 0 ilen 4 fcs 0x70 mcc_len 2 dlci 2 fc 0 rtc 1 rtr 1 ic 0 dv 0 b1 0 b2 0 b3 0 len 0Quoted 1 line
HCI Event: Number of Completed Packets (
0x13) plen 50000: 01 29 00 01 00 .)...Quoted 1 line
HCI Event: Number of Completed Packets (
0x13) plen 50000: 01 29 00 01 00 .)...Quoted 1 line
ACL data: handle
0x0029flags0x02dlen 12L2CAP(d): cid 0x0040 len 8 [psm 3] RFCOMM(s): MSC RSP: cr 0 dlci 0 pf 0 ilen 4 fcs 0xaa mcc_len 2 dlci 2 fc 0 rtc 1 rtr 1 ic 0 dv 1 b1 0 b2 0 b3 0 len 0 < ACL data: handle 0x0029 flags 0x02 dlen 9 L2CAP(d): cid 0x0048 len 5 [psm 3] RFCOMM(d): UIH: cr 1 dlci 2 pf 1 ilen 0 fcs 0x86 credits 33Quoted 1 line
ACL data: handle
0x0029flags0x02dlen 9L2CAP(d): cid 0x0040 len 5 [psm 3] RFCOMM(d): UIH: cr 0 dlci 2 pf 1 ilen 0 fcs 0x5c credits 15Quoted 1 line
HCI Event: Number of Completed Packets (
0x13) plen 50000: 01 29 00 01 00 .)...Quoted 1 line
HCI Event: Mode Change (
0x14) plen 60000: 00 29 00 02 00 08 .)....When I try to play music over the headset, it appears to work:
# aplay -D plughw:Headset "/home/music/music/Where It's At.wav" Playing WAVE '/home/music/music/Where It's At.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, StereoHere is the hcidump -X output of the above command, somewhat truncated:
< HCI Command: Add SCO Connection (0x01|0x0007) plen 4
0000: 29 00 e0 00 )...Quoted 1 line
HCI Event: Command Status (
0x0f) plen 40000: 00 01 07 04 ....Quoted 1 line
HCI Event: Connect Complete (
0x03) plen 110000: 00 2c 00 99 40 06 a4 07 00 00 01 .,..@......Quoted 1 line
SCO data: handle
0x002cdlen 480000: 10 00 13 00 13 00 29 00 0f 00 ac 20 00 00 15 00 ......).... .... 0010: 11 00 25 00 24 00 16 00 14 00 0d 00 11 00 23 00 ..%.$.........#. 0020: 1f 00 10 00 16 00 11 00 0f 00 1a 00 13 00 0c 00 ................Quoted 1 line
SCO data: handle
0x002cdlen 480000: 0c 00 0b 00 14 00 12 00 0a 00 09 00 ff ff 05 00 ................ 0010: 22 00 22 00 17 00 05 00 15 00 11 00 0a 00 18 00 "."............. 0020: 22 00 1b 00 12 00 1c 00 16 00 04 00 17 00 1a 00 "...............Quoted 1 line
SCO data: handle
0x002cdlen 480000: 10 00 15 00 0a 00 13 00 1f 00 0f 00 14 00 16 00 ................ 0010: 0f 00 17 00 14 00 08 00 06 00 fb ff 08 00 23 00 ..............#. 0020: 23 00 12 00 08 00 14 00 0e 00 0f 00 20 00 28 00 #........... .(.Quoted 1 line
SCO data: handle
0x002cdlen 480000: 1d 00 0b 00 13 00 21 00 10 00 16 00 1f 00 12 00 ......!......... 0010: 17 00 14 00 10 00 16 00 10 00 13 00 16 00 19 00 ................ 0020: 1a 00 11 00 17 00 14 00 f9 ff 03 00 24 00 18 00 ............$...Quoted 1 line
SCO data: handle
0x002cdlen 480000: 0f 00 19 00 04 00 0a 00 23 00 27 00 1e 00 09 00 ........#.'..... 0010: 11 00 1f 00 10 00 17 00 12 00 0d 00 25 00 14 00 ............%... 0020: 0d 00 17 00 08 00 0f 00 11 00 0b 00 1d 00 1c 00 ................Quoted 1 line
SCO data: handle
0x002cdlen 480000: 08 00 0d 00 0a 00 02 00 15 00 15 00 08 00 02 00 ................ 0010: 10 00 10 00 10 00 1a 00 1d 00 1e 00 12 00 0f 00 ................ 0020: 1d 00 0f 00 13 00 21 00 12 00 19 00 1a 00 0d 00 ......!.........Quoted 1 line
SCO data: handle
0x002cdlen 480000: 13 00 1b 00 16 00 05 00 12 00 1a 00 09 00 0f 00 ................ 0010: 06 00 ff ff 11 00 1c 00 1c 00 18 00 09 00 11 00 ................ 0020: 0d 00 f6 ff 12 00 23 00 16 00 13 00 10 00 1a 00 ......#.........Quoted 1 line
SCO data: handle
0x002cdlen 480000: 0f 00 11 00 1d 00 10 00 1a 00 16 00 08 00 19 00 ................ 0010: 15 00 0c 00 0b 00 06 00 14 00 19 00 04 00 01 00 ................This continues until I kill the aplay process.
One interesting thing I noticed: after invoking aplay, there is a new module loaded into the kernel:
# lsmod | grep sco sco 15685 0 snd_bt_sco 16416 1 snd_hwdep 8901 2 snd_bt_sco bluetooth 48453 10 sco,hci_usb,rfcomm,l2cap snd_pcm 93001 5 snd_bt_sco,snd_intel8x0m,snd_intel8x0,snd_ac97_codec,snd_pcm_oss snd 52645 12 snd_bt_sco,snd_hwdep,snd_intel8x0m,snd_intel8x0,snd_ac97_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer snd_page_alloc 9541 4 snd_bt_sco,snd_intel8x0m,snd_intel8x0,snd_pcmNote the "sco" module. That is a module that had been installed along with my kernel in
/lib/modules/2.6.10-1.770_FC3/kernel/net/bluetooth/sco.ko.Can anyone tell me why btsco does not report a connection, and why I'm unable to hear the audio that appears to be streaming over hci0 as a result of the aplay command?
Thanks,
Dave
Quoted 9 lines
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