[Bluez-users] rfcomm connect problem

[Mohan K <kmohangda@gmail.com>]

Hi Everyone,
                 I am using two PC's, one consist of VIA mother board
and another one consist of Intel chipset mother board. I am having one
dongle of CSR chipset. In both PC's I installed Bluez(2.17).
                First, I plugged the usb bluetooth dongle to VIA PC
and i used "rfcomm connect 0 <BDADDR> 1". It get connected and worked
fine. Then, I plugged the same dongle in the Intel chipset PC and used
"rfcomm connect 0 <BDADDR> 1". This is also working fine.
                Again I did the First step. But now "rfcomm connect 0
<BDADDR> 1" fails with the following message:

Can't connect RFCOMM socket: Connection refused

At this time i am getting the following hcidump:

[root@localhost]# hcidump -x
HCI sniffer - Bluetooth packet analyzer ver 1.21
device: hci0 snap_len: 1028 filter: 0xffffffff
< HCI Command: Create Connection (0x01|0x0005)
plen 13
   bdaddr 00:80:25:02:02:69 ptype 0xcc18 rswitch
0x01 clkoffset 0x1cb8 (valid)
   Packet type: DM1 DM3 DM5 DH1 DH3 DH5
> HCI Event: Command Status (0x0f) plen 4
 00 01 05 04
> HCI Event: Connect Complete (0x03) plen 11
 00 29 00 69 02 02 25 80 00 01 00
< 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
   handle 41 policy 0x0f
   Link policy: RSWITCH HOLD SNIFF PARK
> HCI Event: Number of Completed Packets (0x13)
plen 5
 01 29 00 01 00
> HCI Event: Command Complete (0x0e) plen 6
 01 0D 08 00 29 00
> HCI Event: Max Slots Change (0x1b) plen 3
 29 00 05
> ACL data: handle 41 flags 0x02 dlen 16
   L2CAP(s): Connect rsp: dcid 0x0052 scid
0x0040 result 0 status 0
     Connection successful
< ACL data: handle 41 flags 0x02 dlen 16
   L2CAP(s): Config req: dcid 0x0052 flags 0x00
clen 4
     MTU 1024
> HCI Event: Number of Completed Packets (0x13)
plen 5
 01 29 00 01 00
> ACL data: handle 41 flags 0x02 dlen 18
   L2CAP(s): Config rsp: scid 0x0040 flags 0x00
result 0 clen 4
     Success
     MTU 335
> ACL data: handle 41 flags 0x02 dlen 16
   L2CAP(s): Config req: dcid 0x0040 flags 0x00
clen 4
     MTU 335
< ACL data: handle 41 flags 0x02 dlen 14
   L2CAP(s): Config rsp: scid 0x0052 flags 0x00
result 0 clen 0
     Success
< ACL data: handle 41 flags 0x02 dlen 8
   L2CAP(d): cid 0x0052 len 4 [psm 3]
     RFCOMM(s): SABM: cr 1 dlci 0 pf 1 ilen 0
fcs 0x1c
> HCI Event: Number of Completed Packets (0x13)
plen 5
 01 29 00 01 00
> HCI Event: Number of Completed Packets (0x13)
plen 5
 01 29 00 01 00
> HCI Event: Link Key Request (0x17) plen 6
 69 02 02 25 80 00
< HCI Command: Link Key Request Reply
(0x01|0x000b) plen 22
   bdaddr 00:80:25:02:02:69 key
4BA5C9668C9B95F6134A074382BE737F
> HCI Event: Command Complete (0x0e) plen 10
 01 0B 04 00 69 02 02 25 80 00
> ACL data: handle 41 flags 0x02 dlen 8
   L2CAP(d): cid 0x0040 len 4 [psm 3]
     RFCOMM(s): DM: cr 1 dlci 0 pf 1 ilen 0 fcs
0x36
< ACL data: handle 41 flags 0x02 dlen 12
   L2CAP(s): Disconn req: dcid 0x0052 scid
0x0040
> ACL data: handle 41 flags 0x02 dlen 12
   L2CAP(s): Disconn req: dcid 0x0040 scid
0x0052
< ACL data: handle 41 flags 0x02 dlen 12
   L2CAP(s): Disconn rsp: dcid 0x0040 scid
0x0052
> HCI Event: Number of Completed Packets (0x13)
plen 5
 01 29 00 01 00
> HCI Event: Number of Completed Packets (0x13)
plen 5
 01 29 00 01 00
> ACL data: handle 41 flags 0x02 dlen 12
   L2CAP(s): Disconn rsp: dcid 0x0052 scid
0x0040
> HCI Event: Disconn Complete (0x05) plen 4
 00 29 00 13
Can any one tell me why this is happenning?
Advanced thanks for your valuable suggestions

Thanks & Regards,
Mohan


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