linux-kernel - Re: [2.6.29-rc1] Problem with using bluetooth adaper connected to usb port

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Message-ID: <8db1092f0901131320k12139364y2d503b48f4d28100@mail.gmail.com>
Date:	Tue, 13 Jan 2009 22:20:11 +0100
From:	"Maciej Rutecki" <maciej.rutecki@...il.com>
To:	linux-kernel@...r.kernel.org, linux-bluetooth@...r.kernel.org,
	linux-usb@...r.kernel.org
Subject: Re: [2.6.29-rc1] Problem with using bluetooth adaper connected to usb port

2009/1/13 Maciej Rutecki <maciej.rutecki@...il.com>:
> Until 2.6.28 I use hci_usb driver to bluetooth adapter. In 2.6.29-rc1
> it doesn't exists, so I switch to btusb module, and I have problem
> connect with another machine, dmesg shows this message:
> [  101.468638] hci_cmd_task: hci0 command tx timeout
> [  699.328112] hci_cmd_task: hci0 command tx timeout
>
> How to check what cause problems with communication?
>
> Contents /proc/bus/usb/devicec, dmesg, lsusb, config:
> http://www.unixy.pl/maciek/download/kernel/2.6.29-rc1/bluetooth/
>

hcidump in local interface

local hci0: 00:11:67:CA:45:0E
remote hci0: 00:16:41:88:A0:1B

Connection from local to remote (I use kdebluetoothd):
root@...m:/home/maciek# hcidump -V -i hci0
HCI sniffer - Bluetooth packet analyzer ver 1.42
device: hci0 snap_len: 1028 filter: 0xffffffff
< HCI Command: Inquiry (0x01|0x0001) plen 5
    lap 0x9e8b33 len 8 num 0
> HCI Event: Command Status (0x0f) plen 4
    Inquiry (0x01|0x0001) status 0x00 ncmd 1
> HCI Event: Inquiry Result with RSSI (0x22) plen 15
    bdaddr 00:16:41:88:A0:1B mode 2 clkoffset 0x7468 class 0x100000 rssi -76
> HCI Event: Inquiry Complete (0x01) plen 1
    status 0x00
< HCI Command: Create Connection (0x01|0x0005) plen 13
    bdaddr 00:16:41:88:A0:1B ptype 0xcc18 rswitch 0x01 clkoffset 0x7468 (valid)
    Packet type: DM1 DM3 DM5 DH1 DH3 DH5
< HCI Command: Create Connection Cancel (0x01|0x0008) plen 6
    bdaddr 00:16:41:88:A0:1B
> HCI Event: Command Complete (0x0e) plen 10
    Create Connection Cancel (0x01|0x0008) ncmd 1
    status 0x02 bdaddr 1B:01:A5:B5:88:EC
    Error: Unknown Connection Identifier

>From remote to local:
root@...m:/home/maciek# hcidump -V -i hci0
HCI sniffer - Bluetooth packet analyzer ver 1.42
device: hci0 snap_len: 1028 filter: 0xffffffff
> HCI Event: Connect Request (0x04) plen 10
    bdaddr 00:16:41:88:A0:1B class 0x100000 type ACL
< HCI Command: Accept Connection Request (0x01|0x0009) plen 7
    bdaddr 00:16:41:88:A0:1B role 0x01
    Role: Slave
> HCI Event: Connect Complete (0x03) plen 11
    status 0x10 handle 0 bdaddr 00:16:41:88:A0:1B type ACL encrypt 0x00
    Error: Connection Accept Timeout Exceeded

-- 
Maciej Rutecki
http://www.maciek.unixy.pl
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