Protocol error in btsco

Bluez-users Frank Pieczynski 1 participant 2 messages Jun 4, 2005 Bluetooth drivers

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Frank Pieczynski

author

2005-06-04 13:19 UTC #0 lore raw

Hello,
I try to play a short wav file, it works. But after on of the next tries the connection dies somehow with "Protocol error"
hcidump attached.
Thanks,
Frank

btsco v0.4a
Device is 1:0
Voice setting: 0x0060
RFCOMM channel 6 connected
recieved AT+VGS=9
Sending up speaker change 9
driver is in use
connected SCO channel
Done setting sco fd
speaker volume: 9 mic volume: 14
driver is not in use
disconnected SCO channel
speaker volume: 9 mic volume: 14
driver is in use
Can't connect SCO audio channel
: Protocol error
driver is in use
Can't connect SCO audio channel
: Connection timed out

config data:
Dell TrueMobile 350 in Latitude X1
Head set BT201 (noname)

Gentoo Kernel 2.6.11-gentoo-r9
btsco 0.4a (gentoo ebuild)
bluetooth-alsa 1.6-r2
bluez-libs 2.16-r1
bluez-utils 2.16-r1

lati btsco-0.4a # hciconfig -a
hci0: Type: USB
BD Address: 00:10:C6:XX:XX:XX ACL MTU: 384:8 SCO MTU: 64:8 UP RUNNING PSCAN ISCAN
RX bytes:146748 acl:19 sco:2845 events:89 errors:0
TX bytes:145295 acl:19 sco:2829 commands:46 errors:0
Features: 0xff 0xff 0x9f 0xfe 0x9b 0xf9 0x00 0x80
Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
Link policy: RSWITCH HOLD SNIFF PARK
Link mode: SLAVE ACCEPT
Name: 'BlueZ (0)'
Class: 0x3e0100
Service Classes: Networking, Rendering, Capturing
Device Class: Computer, Uncategorized
HCI Ver: 1.2 (0x2) HCI Rev: 0x679 LMP Ver: 1.2 (0x2) LMP Subver: 0x679
Manufacturer: Cambridge Silicon Radio (10)

lati btsco-0.4a # hciconfig hci0 revision
hci0: Type: USB
BD Address: 00:10:C6:XX:XX:XX ACL MTU: 384:8 SCO MTU: 64:8 Build 1657
Chip version: BlueCore4-External
Max key size: 128 bit
SCO mapping: HCI
Panic code: 0x22

lati btsco-0.4a # hcitool info 00:0E:DA:XX:XX:XX
Requesting information ...
BD Address: 00:0E:DA:XX:XX:XX
Device Name: BT201
LMP Version: 1.1 (0x1) LMP Subversion: 0xc70
Manufacturer: Transilica, Inc. (24)
Features: 0xbf 0xf8 0x31 0x00 0x00 0x00 0x00 0x00
<3-slot packets> <5-slot packets> <encryption> <slot offset> <timing accuracy> <role switch> <sniff mode> <SCO link> <HV2 packets> <HV3 packets> <u-law log> <A-law log> <CVSD>

lati btsco-0.4a # sdptool search --bdaddr 00:0E:DA:XX:XX:XX 0x1108 Class 0x1108
Searching for 0x1108 on 00:0E:DA:XX:XX:XX ...
Service Name: Headset
Service RecHandle: 0x20000
Service Class ID List:
"Headset" (0x1108)
"Generic Audio" (0x1203)
Protocol Descriptor List:
"L2CAP" (0x0100)
"RFCOMM" (0x0003)
Channel: 6
Language Base Attr List:
code_ISO639: 0x656e
encoding: 0x6a
base_offset: 0x100
Profile Descriptor List:
"Headset" (0x1108)

    Version: 0x0100

HCI sniffer - Bluetooth packet analyzer ver 1.20
device: hci0 snap_len: 1028 filter: 0xffffffff
< HCI Command: Create Connection (0x01|0x0005) plen 13
bdaddr 00:0E:DA:XX:XX:XX ptype 0xcc18 rswitch 0x01 clkoffset 0x0000 Packet type: DM1 DM3 DM5 DH1 DH3 DH5

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: XX XX XX da 0e 00 ......
< HCI Command: Link Key Request Reply (0x01|0x000b) plen 22

    bdaddr 00:0E:DA:XX:XX:XX
    Link key: c6c15909a3bc2153dXXXXXXXXXXXbXX3

Quoted 1 line

HCI Event: Command Complete (0x0e) plen 10

0000: 01 0b 04 00 XX XX XX da 0e 00 ..........

Quoted 1 line

HCI Event: Connect Complete (0x03) plen 11

0000: 00 2e 00 XX XX XX da 0e 00 01 00 ...........
< ACL data: handle 46 flags 0x02 dlen 12

    L2CAP(s): Connect req: psm 1 scid 0x0040

< HCI Command: Write Link Policy Settings (0x02|0x000d) plen 4
handle 46 policy 0x0f
Link policy: RSWITCH HOLD SNIFF PARK

Quoted 1 line

HCI Event: Number of Completed Packets (0x13) plen 5

0000: 01 2e 00 01 00 .....

Quoted 1 line

HCI Event: Max Slots Change (0x1b) plen 3

0000: 2e 00 05 ...

Quoted 1 line

HCI Event: Command Complete (0x0e) plen 6

0000: 01 0d 08 00 2e 00 ......

Quoted 1 line

ACL data: handle 46 flags 0x02 dlen 16

    L2CAP(s): Connect rsp: dcid 0x0040 scid 0x0040 result 0 status 0
      Connection successful
< ACL data: handle 46 flags 0x02 dlen 12
    L2CAP(s): Config req: dcid 0x0040 flags 0x00 clen 0

Quoted 1 line

HCI Event: Number of Completed Packets (0x13) plen 5

0000: 01 2e 00 01 00 .....

Quoted 1 line

ACL data: handle 46 flags 0x02 dlen 14

    L2CAP(s): Config rsp: scid 0x0040 flags 0x00 result 0 clen 0
      Success

Quoted 1 line

ACL data: handle 46 flags 0x02 dlen 16

    L2CAP(s): Config req: dcid 0x0040 flags 0x00 clen 4
      MTU 128 
< ACL data: handle 46 flags 0x02 dlen 14
    L2CAP(s): Config rsp: scid 0x0040 flags 0x00 result 0 clen 0
      Success
< ACL data: handle 46 flags 0x02 dlen 24
    L2CAP(d): cid 0x0040 len 20 [psm 1]
        SDP SSA Req: tid 0x0 len 0xf
          pat uuid-16 0x1108 (Headset)
          max 65535
          aid(s) 0x0000 - 0xffff
          cont 00

Quoted 1 line

HCI Event: Number of Completed Packets (0x13) plen 5

0000: 01 2e 00 01 00 .....

Quoted 1 line

HCI Event: Number of Completed Packets (0x13) plen 5

0000: 01 2e 00 01 00 .....

Quoted 2 lines

ACL data: handle 46 flags 0x02 dlen 27 ACL data: handle 46 flags 0x01 dlen 24

    L2CAP(d): cid 0x0040 len 47 [psm 1]
        SDP SSA Rsp: tid 0x0 len 0x2a
          count 38
          cont 01 01
< ACL data: handle 46 flags 0x02 dlen 25
    L2CAP(d): cid 0x0040 len 21 [psm 1]
        SDP SSA Req: tid 0x1 len 0x10
          pat uuid-16 0x1108 (Headset)
          max 65535
          aid(s) 0x0000 - 0xffff
          cont 01 01

Quoted 1 line

HCI Event: Number of Completed Packets (0x13) plen 5

0000: 01 2e 00 01 00 .....

Quoted 2 lines

ACL data: handle 46 flags 0x02 dlen 27 ACL data: handle 46 flags 0x01 dlen 23

    L2CAP(d): cid 0x0040 len 46 [psm 1]
        SDP SSA Rsp: tid 0x1 len 0x29
          count 37
          cont 01 02
< ACL data: handle 46 flags 0x02 dlen 25
    L2CAP(d): cid 0x0040 len 21 [psm 1]
        SDP SSA Req: tid 0x2 len 0x10
          pat uuid-16 0x1108 (Headset)
          max 65535
          aid(s) 0x0000 - 0xffff
          cont 01 02

Quoted 1 line

HCI Event: Number of Completed Packets (0x13) plen 5

0000: 01 2e 00 01 00 .....

Quoted 2 lines

ACL data: handle 46 flags 0x02 dlen 27 ACL data: handle 46 flags 0x01 dlen 2

    L2CAP(d): cid 0x0040 len 25 [psm 1]
        SDP SSA Rsp: tid 0x2 len 0x14
          count 17
          record #0
              aid 0x0000 (SrvRecHndl)
                 uint 0x20000
              aid 0x0001 (SrvClassIDList)
                 < uuid-16 0x1108 (Headset) uuid-16 0x1203 (Audio) >
              aid 0x0004 (ProtocolDescList)
                 < < uuid-16 0x0100 (L2CAP) > <
                 uuid-16 0x0003 (RFCOMM) uint 0x6 > >
              aid 0x0005 (BrwGrpList)
                 < uuid-16 0x1002 (PubBrwsGrp) >
              aid 0x0006 (LangBaseAttrIDList)
                 < uint 0x656e uint 0x6a uint 0x100 >
              aid 0x0009 (BTProfileDescList)
                 < < uuid-16 0x1108 (Headset) uint 0x100 > >
              aid 0x0100 (SrvName)
                 str "Headset"
              aid 0x0302 (unknown)
                 bool 0x1
          cont 00
< ACL data: handle 46 flags 0x02 dlen 12
    L2CAP(s): Disconn req: dcid 0x0040 scid 0x0040

< HCI Command: Read Voice Setting (0x03|0x0025) plen 0

Quoted 1 line

HCI Event: Number of Completed Packets (0x13) plen 5

0000: 01 2e 00 01 00 .....

Quoted 1 line

HCI Event: Command Complete (0x0e) plen 6

0000: 01 25 0c 00 60 00 .%..`.
< ACL data: handle 46 flags 0x02 dlen 12

    L2CAP(s): Connect req: psm 3 scid 0x0041

Quoted 1 line

ACL data: handle 46 flags 0x02 dlen 12

    L2CAP(s): Disconn rsp: dcid 0x0040 scid 0x0040

Quoted 1 line

HCI Event: Number of Completed Packets (0x13) plen 5

0000: 01 2e 00 01 00 .....

Quoted 1 line

ACL data: handle 46 flags 0x02 dlen 16

    L2CAP(s): Connect rsp: dcid 0x0040 scid 0x0041 result 0 status 0
      Connection successful
< ACL data: handle 46 flags 0x02 dlen 16
    L2CAP(s): Config req: dcid 0x0040 flags 0x00 clen 4
      MTU 1024

Quoted 1 line

HCI Event: Number of Completed Packets (0x13) plen 5

0000: 01 2e 00 01 00 .....

Quoted 1 line

ACL data: handle 46 flags 0x02 dlen 18

    L2CAP(s): Config rsp: scid 0x0041 flags 0x00 result 0 clen 4
      Success
      MTU 1024

Quoted 1 line

ACL data: handle 46 flags 0x02 dlen 16

    L2CAP(s): Config req: dcid 0x0041 flags 0x00 clen 4
      MTU 330 
< ACL data: handle 46 flags 0x02 dlen 14
    L2CAP(s): Config rsp: scid 0x0040 flags 0x00 result 0 clen 0
      Success
< ACL data: handle 46 flags 0x02 dlen 8
    L2CAP(d): cid 0x0040 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 2e 00 01 00 .....

Quoted 1 line

HCI Event: Number of Completed Packets (0x13) plen 5

0000: 01 2e 00 01 00 .....

Quoted 1 line

ACL data: handle 46 flags 0x02 dlen 8

    L2CAP(d): cid 0x0041 len 4 [psm 3]
      RFCOMM(s): UA: cr 1 dlci 0 pf 1 ilen 0 fcs 0xd7

< ACL data: handle 46 flags 0x02 dlen 18
L2CAP(d): cid 0x0040 len 14 [psm 3]
RFCOMM(s): PN CMD: cr 1 dlci 0 pf 0 ilen 10 fcs 0x70 mcc_len 8 dlci 12 frame_type 0 credit_flow 15 pri 7 ack_timer 0 frame_size 325 max_retrans 0 credits 7

Quoted 1 line

HCI Event: Number of Completed Packets (0x13) plen 5

0000: 01 2e 00 01 00 .....

Quoted 1 line

ACL data: handle 46 flags 0x02 dlen 18

L2CAP(d): cid 0x0041 len 14 [psm 3]
RFCOMM(s): PN RSP: cr 0 dlci 0 pf 0 ilen 10 fcs 0xaa mcc_len 8 dlci 12 frame_type 0 credit_flow 14 pri 1 ack_timer 0 frame_size 325 max_retrans 0 credits 7
< ACL data: handle 46 flags 0x02 dlen 8

    L2CAP(d): cid 0x0040 len 4 [psm 3]
      RFCOMM(s): SABM: cr 1 dlci 12 pf 1 ilen 0 fcs 0x43

Quoted 1 line

HCI Event: Number of Completed Packets (0x13) plen 5

0000: 01 2e 00 01 00 .....

Quoted 1 line

ACL data: handle 46 flags 0x02 dlen 8

    L2CAP(d): cid 0x0041 len 4 [psm 3]
      RFCOMM(s): UA: cr 1 dlci 12 pf 1 ilen 0 fcs 0x88 
< ACL data: handle 46 flags 0x02 dlen 12
    L2CAP(d): cid 0x0040 len 8 [psm 3]
      RFCOMM(s): MSC CMD: cr 1 dlci 0 pf 0 ilen 4 fcs 0x70 mcc_len 2
      dlci 12 fc 0 rtc 1 rtr 1 ic 0 dv 1 b1 1 b2 1 b3 0 len 0

Quoted 1 line

ACL data: handle 46 flags 0x02 dlen 12

    L2CAP(d): cid 0x0041 len 8 [psm 3]
      RFCOMM(s): MSC CMD: cr 0 dlci 0 pf 0 ilen 4 fcs 0xaa mcc_len 2
      dlci 12 fc 0 rtc 1 rtr 1 ic 0 dv 1 b1 1 b2 1 b3 0 len 0
< ACL data: handle 46 flags 0x02 dlen 12
    L2CAP(d): cid 0x0040 len 8 [psm 3]
      RFCOMM(s): MSC RSP: cr 1 dlci 0 pf 0 ilen 4 fcs 0x70 mcc_len 2
      dlci 12 fc 0 rtc 1 rtr 1 ic 0 dv 1 b1 1 b2 1 b3 0 len 0

Quoted 1 line

HCI Event: Number of Completed Packets (0x13) plen 5

0000: 01 2e 00 01 00 .....

Quoted 1 line

HCI Event: Number of Completed Packets (0x13) plen 5

0000: 01 2e 00 01 00 .....

Quoted 1 line

ACL data: handle 46 flags 0x02 dlen 18

    L2CAP(d): cid 0x0041 len 14 [psm 3]
      RFCOMM(d): UIH: cr 0 dlci 12 pf 0 ilen 9 fcs 0x95 
      0000: 41 54 2b 56 47 53 3d 39  0d                       AT+VGS=9.

Quoted 1 line

ACL data: handle 46 flags 0x02 dlen 12

    L2CAP(d): cid 0x0041 len 8 [psm 3]
      RFCOMM(s): MSC RSP: cr 0 dlci 0 pf 0 ilen 4 fcs 0xaa mcc_len 2
      dlci 12 fc 0 rtc 1 rtr 1 ic 0 dv 1 b1 0 b2 1 b3 1 len 0
< ACL data: handle 46 flags 0x02 dlen 9
    L2CAP(d): cid 0x0040 len 5 [psm 3]
      RFCOMM(d): UIH: cr 1 dlci 12 pf 1 ilen 0 fcs 0x53 credits 34
< ACL data: handle 46 flags 0x02 dlen 14
    L2CAP(d): cid 0x0040 len 10 [psm 3]
      RFCOMM(d): UIH: cr 1 dlci 12 pf 0 ilen 6 fcs 0x4f 
      0000: 0d 0a 4f 4b 0d 0a                                 ..OK..

< HCI Command: Add SCO Connection (0x01|0x0007) plen 4
handle 46 ptype 0x00e0
Packet type: HV1 HV2 HV3

Quoted 1 line

HCI Event: Number of Completed Packets (0x13) plen 5

0000: 01 2e 00 01 00 .....

Quoted 1 line

HCI Event: Number of Completed Packets (0x13) plen 5

0000: 01 2e 00 01 00 .....

Quoted 1 line

HCI Event: Command Status (0x0f) plen 4

0000: 00 01 07 04 ....

Quoted 1 line

HCI Event: Max Slots Change (0x1b) plen 3

0000: 2e 00 01 ...

Quoted 1 line

HCI Event: Connect Complete (0x03) plen 11

0000: 00 31 00 bb c0 00 da 0e 00 00 00 .1.........

Quoted 1 line

HCI Event: Max Slots Change (0x1b) plen 3

0000: 2e 00 03 ...

Quoted 1 line

SCO data: handle 49 dlen 48

    0000: 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  ................
    0010: 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  ................
    0020: 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  ................

Quoted 1 line

SCO data: handle 49 dlen 48

    0000: 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  ................
    0010: 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  ................
    0020: 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  ................

some SCO data deleted

Quoted 1 line

SCO data: handle 49 dlen 48

    0000: 7a 01 64 01 3f 00 70 ff  31 fe 49 fd dc fd 5f fe  z.d.?.p.1.I..._.
    0010: bb fe 19 ff 83 ff dd ff  eb ff 46 00 5f 00 7d 00  ..........F._.}.
    0020: a3 00 92 00 82 00 95 00  a6 00 61 00 54 00 44 00  ..........a.T.D.
< SCO data: handle 49 dlen 48
    0000: 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  ................
    0010: 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  ................
    0020: 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  ................
< SCO data: handle 49 dlen 48
    0000: 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  ................
    0010: 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  ................
    0020: 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  ................
< SCO data: handle 49 dlen 48
    0000: 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  ................
    0010: 3a 00 2e 00 27 00 35 00  3c 00 32 00 2b 00 2d 00  :...'.5.<.2.+.-.
    0020: 2d 00 32 00 34 00 32 00  39 00 32 00 28 00 29 00  -.2.4.2.9.2.(.).
< ACL data: handle 46 flags 0x02 dlen 17
    L2CAP(d): cid 0x0040 len 13 [psm 3]
      RFCOMM(d): UIH: cr 1 dlci 12 pf 0 ilen 9 fcs 0x4f 
      0000: 41 54 2b 56 47 53 3d 39  0d                       AT+VGS=9.
< ACL data: handle 46 flags 0x02 dlen 18
    L2CAP(d): cid 0x0040 len 14 [psm 3]
      RFCOMM(d): UIH: cr 1 dlci 12 pf 0 ilen 10 fcs 0x4f 
      0000: 41 54 2b 56 47 4d 3d 31  34 0d                    AT+VGM=14.

Quoted 1 line

SCO data: handle 49 dlen 48

    0000: 2a 00 2f 00 17 00 1a 00  10 00 39 00 d3 00 ed 00  *./.......9.....
    0010: 2a 00 a0 ff c9 fe 00 fe  b3 fe 11 ff 2c ff c2 ff  *...........,...
    0020: b3 ff e3 ff 35 00 3c 00  72 00 4f 00 3b 00 70 00  ....5.<.r.O.;.p.

Quoted 1 line

SCO data: handle 49 dlen 48

    0000: 70 00 50 00 3d 00 61 00  79 00 4e 00 3c 00 33 00  p.P.=.a.y.N.<.3.
    0010: 21 00 12 00 0b 00 44 00  ba 00 d5 00 26 00 95 ff  !.....D.....&...
    0020: cf fe 27 fe c6 fe 3f ff  4e ff 88 ff 93 ff b5 ff  ..'...?.N.......

Quoted 1 line

SCO data: handle 49 dlen 48

    0000: e3 ff 23 00 4e 00 4f 00  5b 00 76 00 83 00 89 00  ..#.N.O.[.v.....
    0010: 95 00 92 00 6d 00 4d 00  43 00 2e 00 26 00 1d 00  ....m.M.C...&...
    0020: 1c 00 6c 00 48 01 6c 01  51 00 92 ff 82 fe ac fd  ..l.H.l.Q.......

Quoted 1 line

SCO data: handle 49 dlen 48

    0000: 61 fe a7 fe dd fe 6f ff  6e ff e2 ff 2e 00 45 00  a.....o.n.....E.
    0010: 80 00 85 00 a4 00 83 00  83 00 af 00 9a 00 a8 00  ................
    0020: 70 00 51 00 4f 00 29 00  21 00 d9 ff d7 ff 3d 00  p.Q.O.).!.....=.

< HCI Command: Disconnect (0x01|0x0006) plen 3
handle 49 reason 0x13
Reason: Remote User Terminated Connection

Quoted 1 line

SCO data: handle 49 dlen 48

    0000: c8 00 d5 00 09 00 88 ff  db fe 3b fe b8 fe 03 ff  ..........;.....
    0010: 35 ff 75 ff aa ff 06 00  16 00 3a 00 36 00 54 00  5.u.......:.6.T.
    0020: 7b 00 6f 00 74 00 3d 00  3c 00 2f 00 1b 00 22 00  {.o.t.=.<./...".

Quoted 1 line

SCO data: handle 49 dlen 48

    0000: 0c 00 13 00 0a 00 06 00  15 00 7f 00 81 01 7b 01  ..............{.
    0010: 49 00 9a ff 52 fe 33 fd  11 fe 8d fe c6 fe 48 ff  I...R.3.......H.
    0020: 96 ff f5 ff 02 00 59 00  66 00 af 00 e5 00 89 00  ......Y.f.......

Quoted 1 line

SCO data: handle 49 dlen 48

    0000: b0 00 c2 00 88 00 6d 00  4e 00 41 00 31 00 25 00  ......m.N.A.1.%.
    0010: 1f 00 14 00 1d 00 89 00  64 01 6b 01 5f 00 9e ff  ........d.k._...
    0020: 6d fe 80 fd 3f fe ad fe  e8 fe 40 ff 58 ff d6 ff  [email protected]...

Quoted 1 line

HCI Event: Command Status (0x0f) plen 4

0000: 00 01 06 04 ....

Quoted 1 line

SCO data: handle 49 dlen 48

    0000: 03 00 18 00 65 00 63 00  8e 00 8b 00 8e 00 b1 00  ....e.c.........
    0010: 5b 00 7b 00 a3 00 77 00  5e 00 42 00 38 00 1f 00  [.{...w.^.B.8...
    0020: f2 ff 52 00 6a 01 65 01  42 00 90 ff 3e fe 68 fd  ..R.j.e.B...>.h.

Quoted 1 line

SCO data: handle 49 dlen 48

    0000: 30 fe 95 fe cf fe 40 ff  a0 ff d8 ff d3 ff 31 00  [email protected].
    0010: 67 00 7e 00 af 00 ae 00  ce 00 a8 00 70 00 6e 00  g.~.........p.n.
    0020: 81 00 98 00 5e 00 4a 00  41 00 26 00 2b 00 4f 00  ....^.J.A.&.+.O.

Quoted 1 line

SCO data: handle 49 dlen 48

    0000: ea 00 e3 00 11 00 84 ff  95 fe 01 fe 8f fe e5 fe  ................
    0010: 11 ff 54 ff 81 ff e5 ff  16 00 44 00 8f 00 9f 00  ..T.......D.....
    0020: 87 00 8d 00 76 00 13 00  41 00 68 00 31 00 37 00  ....v...A.h.1.7.

Quoted 1 line

HCI Event: Number of Completed Packets (0x13) plen 5

0000: 01 2e 00 01 00 .....

Quoted 1 line

SCO data: handle 49 dlen 48

    0000: 20 00 1b 00 1a 00 0a 00  2d 00 a7 00 91 01 89 01   .......-.......
    0010: 5b 00 96 ff 95 fe c8 fd  7c fe e1 fe f8 fe 56 ff  [.......|.....V.
    0020: 84 ff ee ff f2 ff 16 00  57 00 45 00 82 00 72 00  ........W.E...r.

Quoted 1 line

SCO data: handle 49 dlen 48

    0000: 88 00 73 00 39 00 50 00  50 00 7a 00 4e 00 32 00  ..s.9.P.P.z.N.2.
    0010: 3a 00 17 00 34 00 8c 00  4f 01 41 01 39 00 93 ff  :...4...O.A.9...
    0020: 7d fe a3 fd 4f fe b7 fe  cf fe 40 ff 8b ff e6 ff  }...O.....@.....

Quoted 1 line

SCO data: handle 49 dlen 48

    0000: 06 00 38 00 3b 00 58 00  76 00 44 00 90 00 75 00  ..8.;.X.v.D...u.
    0010: 41 00 4d 00 23 00 2d 00  1a 00 30 00 69 00 4a 00  A.M.#.-...0.i.J.
    0020: 34 00 55 00 f1 00 13 01  21 00 8e ff a8 fe f0 fd  4.U.....!.......

Quoted 1 line

SCO data: handle 49 dlen 48

    0000: 7f fe d8 fe 16 ff 5a ff  9a ff f8 ff 05 00 6a 00  ......Z.......j.
    0010: 80 00 5a 00 97 00 7a 00  92 00 8b 00 63 00 9f 00  ..Z...z.....c...
    0020: 6d 00 51 00 72 00 49 00  10 00 0d 00 2e 00 a6 00  m.Q.r.I.........

Quoted 1 line

HCI Event: Number of Completed Packets (0x13) plen 5

0000: 01 2e 00 01 00 .....

Quoted 1 line

SCO data: handle 49 dlen 48

    0000: 97 01 8f 01 61 00 86 ff  44 fe 4a fd 1a fe a0 fe  ....a...D.J.....
    0010: fd fe da fe 3b fe e3 ff  88 00 01 00 1e 01 a3 00  ....;...........
    0020: f6 ff 52 00 4a 00 d0 00  0f 01 cd 00 49 00 73 00  ..R.J.......I.s.

Quoted 1 line

SCO data: handle 49 dlen 48

    0000: 3e 00 e8 ff 96 00 5d 00  3c 00 67 00 a1 00 ea 00  >.....].<.g.....
    0010: 37 00 b3 ff d8 fe 1f fe  90 fe a7 fe c5 fe 47 ff  7.............G.
    0020: ae ff ff ff 18 00 0a 00  05 00 2c 00 5d 00 45 00  ..........,.].E.

Quoted 1 line

HCI Event: Disconn Complete (0x05) plen 4

0000: 00 31 00 16 .1..

Quoted 1 line

HCI Event: Max Slots Change (0x1b) plen 3

0000: 2e 00 05 ...

Quoted 1 line

HCI Event: Mode Change (0x14) plen 6

0000: 00 2e 00 02 20 03 .... .
< HCI Command: Add SCO Connection (0x01|0x0007) plen 4
handle 46 ptype 0x00e0
Packet type: HV1 HV2 HV3

Quoted 1 line

HCI Event: Command Status (0x0f) plen 4

0000: 00 01 07 04 ....

Quoted 1 line

HCI Event: Max Slots Change (0x1b) plen 3

0000: 2e 00 01 ...

Quoted 1 line

HCI Event: Connect Complete (0x03) plen 11

0000: 24 2e 00 bb c0 00 da 0e 00 00 00 $..........

Quoted 1 line

HCI Event: Max Slots Change (0x1b) plen 3

0000: 2e 00 05 ...
< HCI Command: Add SCO Connection (0x01|0x0007) plen 4
handle 46 ptype 0x00e0
Packet type: HV1 HV2 HV3

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: 08 00 00 bb c0 00 da 0e 00 00 00 ...........

Quoted 1 line

HCI Event: Disconn Complete (0x05) plen 4

0000: 00 2e 00 08 ....

Frank Pieczynski

author

2005-06-04 13:49 UTC #1 lore raw

Quoted 2 lines · Frank Pieczynski

I try to play a short wav file, it works. But after on of the next tries the connection dies somehow with "Protocol error"

some addtitional info (I discovered the -V of hcidump):

< HCI Command: Add SCO Connection (0x01|0x0007) plen 4
handle 47 ptype 0x00e0
Packet type: HV1 HV2 HV3

Quoted 1 line

HCI Event: Command Status (0x0f) plen 4

    Add SCO Connection (0x01|0x0007) status 0x00 ncmd 1

Quoted 1 line

HCI Event: Max Slots Change (0x1b) plen 3

handle 47 slots 1

Quoted 1 line

HCI Event: Connect Complete (0x03) plen 11

status 0x24 handle 47 bdaddr 00:0E:DA:XX:XX:XX type SCO encrypt 0x00
Error: LMP PDU Not Allowed

Quoted 1 line

HCI Event: Max Slots Change (0x1b) plen 3

handle 47 slots 5

What is wrong here?
Frank

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