Re: [Bluez-users] Re: Trouble pairing with new phone...

[Marcel Holtmann <marcel@holtmann.org>]

Hi Jay,

> hciconfig -a says:
> hci0:   Type: UART
>         BD Address: 00:10:60:AA:FB:C9 ACL MTU: 192:8  SCO MTU: 64:8
>         UP RUNNING PSCAN ISCAN AUTH ENCRYPT
>         RX bytes:357 acl:0 sco:0 events:18 errors:0
>         TX bytes:849 acl:0 sco:0 commands:17 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: 'BlueZ (0)'
>         Class: 0x000100
>         Service Classes: Unspecified
>         Device Class: Computer, Uncategorized
>         HCI Ver: 1.1 (0x1) HCI Rev: 0x20d LMP Ver: 1.1 (0x1) LMP
> Subver: 0x20d
>         Manufacturer: Cambridge Silicon Radio (10)
> 
> 
> This is a standard PCMCIA Zoom bluetooth card, worked with a Sony T610
> phone before, still works with the palm T.

you set yourself into security mode 3 by using auth and encrypt. Are you
sure that you know what you are doing?

> When I do hcitool info 00:0A:D9:1D:E6:B2 I get the following error:
> Requesting information ...
> Can't create connection: Input/output error
> 
> The hcidump -x output of the above is:
> HCIDump - HCI packet analyzer ver 1.12
> device: hci0 snap_len: 1028 filter: 0xffffffff
> < HCI Command: Create Connection (0x01|0x0005) plen 13
>   B2 E6 1D D9 0A 00 18 CC 02 00 00 00 01
> > HCI Event: Command Status (0x0f) plen 4
>   00 01 05 04
> > HCI Event: Link Key Request (0x17) plen 6
>   B2 E6 1D D9 0A 00
> < HCI Command: Link Key Request Negative Reply (0x01|0x000c) plen 6
>   B2 E6 1D D9 0A 00
> > HCI Event: Command Complete (0x0e) plen 10
>   01 0C 04 00 B2 E6 1D D9 0A 00
> > HCI Event: PIN Code Request (0x16) plen 6
>   B2 E6 1D D9 0A 00
> < HCI Command: PIN Code Request Negative Reply (0x01|0x000e) plen 6
>   B2 E6 1D D9 0A 00
> > HCI Event: Command Complete (0x0e) plen 10
>   01 0E 04 00 B2 E6 1D D9 0A 00
> > HCI Event: Connect Complete (0x03) plen 11
>   06 29 00 B2 E6 1D D9 0A 00 01 00
> 
> So it looks like because the phone isn't paired with BlueZ, it won't
> give the information hictool is requesting...

The PIN helper can't provide a PIN as it seems. Fix this.

> As to the "role switch". I'm not doing anything explicitly. hcid.conf has the
> following entry which may be involved:
>   # Default link mode
>         #   none   - no specific policy
>         #   accept - always accept incoming connections
>         #   master - become master on incoming connections,
>         #            deny role switch on outgoing connections
>         #
>         #lm accept,master;
>         #
>         lm accept;
> 
>        # Default link policy
>         #   none    - no specific policy
>         #   rswitch - allow role switch
>         #   hold    - allow hold mode
>         #   sniff   - allow sniff mode
>         #   park    - allow park mode
>         #
>         #lp hold,sniff;
>         #
>         lp rswitch,hold,sniff,park;
> 
> 
> (If I use lm accept,master instead of the lm accept that is in the file,
> the phone still does not pair...I have also tried using lp hold,snif
> instead of the lp rswitch,hold,sniff,park same result, phone does not
> pair.)

Even an application with L2CAP_LM_MASTER set can force the role switch
at connection creation.

Regards

Marcel




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