Maybe it is not authentification problem. hcidump says "Connection refused - no resources available". first try to browse GPS device for available channels:

$hcitool scan
Scanning ...
        00:0B:0D:87:14:29       G-Rays2
$sdptool browse 00:0B:0D:87:14:29
Browsing 00:0B:0D:87:14:29 ...
Service Name: SPP slave
Service Description: Bluetooth SPP V1.03
Service RecHandle: 0x10000
Service Class ID List:
"Serial Port" (0x1101)
Protocol Descriptor List:
"L2CAP" (0x0100)
"RFCOMM" (0x0003)
    Channel: 1
Language Base Attr List:
code_ISO639: 0x656e
encoding:    0x6a
base_offset: 0x100

so my device has only one channel at all. then try to connect with specified channel number:
$rfcomm connect 0 00:0B:0D:87:14:29 1
Press CTRL-C for hangup

OK, I'm connected. this will connect 00:0B:0D:87:14:29-s channel 1 to /dev/rfcomm0

Dmitry Melekhov wrote:

Hello!

My colleague tries to connect gps device over bluethooth.
He uses ubuntu 7.04

He starts

$ passkey-agent --default 0000

Then

$ sudo rfcomm connect 00:15:7F:00:4F:0C
Can't connect RFCOMM socket: Connection refused

< HCI Command: Create Connection (0x01|0x0005) plen 13

HCI Event: Command Status (0x0f) plen 4
HCI Event: Connect Complete (0x03) plen 11

< ACL data: handle 1 flags 0x02 dlen 12
   L2CAP(s): Connect req: psm 3 scid 0x0040
< HCI Command: Read Remote Supported Features (0x01|0x001b) plen 2

HCI Event: Command Status (0x0f) plen 4

< HCI Command: Write Link Policy Settings (0x02|0x000d) plen 4

HCI Event: Command Complete (0x0e) plen 6

< HCI Command: Remote Name Request (0x01|0x0019) plen 10

HCI Event: Number of Completed Packets (0x13) plen 5
HCI Event: Command Status (0x0f) plen 4
HCI Event: Max Slots Change (0x1b) plen 3
ACL data: handle 1 flags 0x02 dlen 16

   L2CAP(s): Connect rsp: dcid 0x01fd scid 0x0040 result 1 status 2
     Connection pending - Authorization pending

HCI Event: Connection Packet Type Changed (0x1d) plen 5
HCI Event: Read Remote Supported Features (0x0b) plen 11
HCI Event: Remote Name Req Complete (0x07) plen 255
ACL data: handle 1 flags 0x02 dlen 16

   L2CAP(s): Connect rsp: dcid 0x0000 scid 0x0040 result 4 status 0
     Connection refused - no resources available

HCI Event: Disconn Complete (0x05) plen 4



l2ping works OK.

He also tried to compile latest bluez code and have the same result.

Could you help us?

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