Re: [Bluez-devel] [Fwd: Re: Problem connecting Bluetooth device]

["Harald Niederländer" <harald.niederlaender@ibmt.fraunhofer.de>]

Hi Marcel,

here the output (extract) of hcidump -X -V:

If I try to connect the device the first time after resetting:

doro:/home/harald # rfcomm connect /dev/rfcomm0 00:11:B1:A2:01:C9
Can't connect RFCOMM socket: Permission denied

doro:/var/lib/bluetooth # hcidump -X -V -i hci0
HCI sniffer - Bluetooth packet analyzer ver 1.30
device: hci0 snap_len: 1028 filter: 0xffffffffffffffff
< HCI Command: Create Connection (0x01|0x0005) plen 13
     bdaddr 00:11:B1:A2:01:C9 ptype 0xcc18 rswitch 0x01 clkoffset 0x0000
     Packet type: DM1 DM3 DM5 DH1 DH3 DH5
 > HCI Event: Command Status (0x0f) plen 4
     Create Connection (0x01|0x0005) status 0x00 ncmd 1
 > HCI Event: PIN Code Request (0x16) plen 6
     bdaddr 00:11:B1:A2:01:C9
< HCI Command: PIN Code Request Reply (0x01|0x000d) plen 23
     bdaddr 00:11:B1:A2:01:C9 len 6 pin '111111'
 > HCI Event: Command Complete (0x0e) plen 10
     PIN Code Request Reply (0x01|0x000d) ncmd 1
     status 0x00 bdaddr 00:11:B1:A2:01:C9
 > HCI Event: Link Key Notification (0x18) plen 23
     bdaddr 00:11:B1:A2:01:C9 key C608EE0874A86C91C615086C6CF41E63 type 0
 > HCI Event: Connect Complete (0x03) plen 11
     status 0x00 handle 6 bdaddr 00:11:B1:A2:01:C9 type ACL encrypt 0x01
< ACL data: handle 6 flags 0x02 dlen 12
     L2CAP(s): Connect req: psm 3 scid 0x0040
...........

and here the second attempt :

doro:/home/harald # rfcomm connect /dev/rfcomm0 00:11:B1:A2:01:C9
Can't create RFCOMM TTY: Address already in use

< HCI Command: Create Connection (0x01|0x0005) plen 13
     bdaddr 00:11:B1:A2:01:C9 ptype 0xcc18 rswitch 0x01 clkoffset 0x0000
     Packet type: DM1 DM3 DM5 DH1 DH3 DH5
 > HCI Event: Command Status (0x0f) plen 4
     Create Connection (0x01|0x0005) status 0x00 ncmd 1
 > HCI Event: Link Key Request (0x17) plen 6
     bdaddr 00:11:B1:A2:01:C9
< HCI Command: Link Key Request Reply (0x01|0x000b) plen 22
     bdaddr 00:11:B1:A2:01:C9 key 6EE7B663E623736747EE0371D9D25C74
 > HCI Event: Command Complete (0x0e) plen 10
     Link Key Request Reply (0x01|0x000b) ncmd 1
     status 0x00 bdaddr 00:11:B1:A2:01:C9
 > HCI Event: Connect Complete (0x03) plen 11
     status 0x05 handle 6 bdaddr 00:11:B1:A2:01:C9 type ACL encrypt 0x00
     Error: Authentication Failure
< HCI Command: Inquiry (0x01|0x0001) plen 5
     lap 0x9e8b33 len 6 num 0
.......................

and in a message the alert :
....Authentication Error!


content of linkkeys:

doro:/usr/var/lib/bluetooth/00:0A:3A:64:97:46 # more linkkeys
00:11:B1:A2:01:C9 6EE7B663E623736747EE0371D9D25C74 0

Regards
Harald

Marcel Holtmann wrote:
> Hi Harald,
> 
> 
> Remove all linkkeys files and run "hcidump -X -V" again. Connect to your
> device and then compare the link key in the file with the values in the
> dump.
> 
> Regards
> 
> Marcel
> 
> _______________________________________________
> Bluez-devel mailing list
> Bluez-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/bluez-devel
> 
> 
> 



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