Re: bluez dbus ble connection problem when a filter is set

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Hi again, please discard my previous mail I had not seen the second question:

> Which kernel version are you running?

pi@raspberrypi:~ $ uname -a

Linux raspberrypi 4.1.19-v7+ #858 SMP Tue Mar 15 15:56:00 GMT 2016
armv7l GNU/Linux

> I couldn't reproduce this, can you provide the btmon output when this
> happens?

I have attached two log outputs, one correct behaviour, and the other
erratic, on both the flow is the same until the line:

14:22 src/adapter.c:connected_callback() hci0 device EB:52:CE:B5:A3:52
connected eir_len 0

 on the correct flow the next four lines:
14:22 attrib/gattrib.c:g_attrib_ref() 0x1b7eb8: g_attrib_ref=1
14:22 src/gatt-client.c:btd_gatt_client_connected() Device connected.
14:22 src/device.c:load_gatt_db() Restoring EB:52:CE:B5:A3:52 gatt
database from file
14:22 No cache for EB:52:CE:B5:A3:52

and on the erratic flow the next six lines:
15:17 src/adapter.c:device_found_callback() hci0 addr
EB:52:CE:B5:A3:52, rssi -48 flags 0x0000 eir_len 21
15:17 src/device.c:device_set_legacy() legacy 0
15:17 src/device.c:device_set_rssi_with_delta() rssi -48 delta 16
15:17 src/device.c:att_connect_cb() connect error: Function not implemented (38)
15:17 src/device.c:btd_device_set_temporary() temporary 1
15:17 src/adapter.c:dev_disconnected() Device EB:52:CE:B5:A3:52
disconnected, reason 0

cheers

Hakki



On Sat, May 7, 2016 at 12:54 AM, Vinicius Costa Gomes
<vinicius.gomes@xxxxxxxxx> wrote:
> Hi hakkig,
>
> Hakkı Göçeoğlu <hakki@xxxxxxxxxx> writes:
>
>> Hi All,
>>
>> raspberry pi 3
>> bluez v5.39
>> testing platform client/bluetoothctl
>
> Which kernel version are you running?
>
>>
>> I have a ble peripheral device advertising a custom uuid.
>> Within bluetoothctl when I try to connect to it after a filter is set,
>> one third of the time I get an error.
>> There is no problem if no filter is set, turning scanning off before
>> the connect command does not help.
>>
>> Here is an example flow within bluetoothctl
>>
>> [bluetooth]# set-scan-filter-uuids f655b638-fead-4268-b07c-e5d79d09b22b
>> SetDiscoveryFilter success
>> [bluetooth]# scan on
>> Discovery started
>> [CHG] Controller B8:27:EB:37:3F:CD Discovering: yes
>> [NEW] Device CF:05:30:F2:6F:5E CF-05-30-F2-6F-5E
>> [bluetooth]# connect CF:05:30:F2:6F:5E
>> Attempting to connect to CF:05:30:F2:6F:5E
>> [CHG] Device CF:05:30:F2:6F:5E Connected: yes
>> Failed to connect: org.bluez.Error.Failed
>> [CHG] Device CF:05:30:F2:6F:5E Connected: no
>
> I couldn't reproduce this, can you provide the btmon output when this
> happens?
>
>>
>>
>> Any ideas? Thanks in advance, cheers
>>
>> hakkig
>> --
>> To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in
>> the body of a message to majordomo@xxxxxxxxxxxxxxx
>> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>
>
> Cheers,
> --
> Vinicius

Attachment: correct.rtf
Description: RTF file

Attachment: error.rtf
Description: RTF file


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