Here are the two warnings I'm seeing... 2016-02-15T10:44:51.194355+01:00 WARNING bluetoothd[1610]: saving characteristic to db failed 2016-02-15T10:44:51.194452+01:00 WARNING bluetoothd[1610]: Unable to load gatt db from file for F1:6F:DE:EC:F1:D6 On Mon, Feb 15, 2016 at 10:21 AM, François Beaufort <beaufort.francois@xxxxxxxxx> wrote: > It is all... that's why I'm surprised too. > Where do you see bluetoothd logs? > > On Mon, Feb 15, 2016 at 10:19 AM, Luiz Augusto von Dentz > <luiz.dentz@xxxxxxxxx> wrote: >> Hi François, >> >> On Fri, Feb 12, 2016 at 3:38 PM, François Beaufort >> <beaufort.francois@xxxxxxxxx> wrote: >>> Hello! I use BlueZ 5.35 and I'd love your help. >>> Can you help me understand why list-attributes doesn't return anything >>> and the "GattServices is nil" message? >>> >>> Here's my bluetoothctl logs: >>> >>> [bluetooth]# connect F1:6F:DE:EC:F1:D6 >>> Attempting to connect to F1:6F:DE:EC:F1:D6 >>> [CHG] Device F1:6F:DE:EC:F1:D6 Connected: yes >>> Connection successful >>> [CHG] Device F1:6F:DE:EC:F1:D6 GattServices is nil >>> [DFU_Test]# list-attributes >>> [DFU_Test]# info >>> Device F1:6F:DE:EC:F1:D6 >>> Name: DFU_Test >>> Alias: DFU_Test >>> Appearance: 0x0340 >>> Paired: no >>> Trusted: no >>> Blocked: no >>> Connected: yes >>> LegacyPairing: no >>> UUID: Heart Rate (0000180d-0000-1000-8000-00805f9b34fb) >>> UUID: Device Information (0000180a-0000-1000-8000-00805f9b34fb) >>> >>> And here are my btmon logs in case it would help: >>> >>> < HCI Command: LE Set Scan Parameters (0x08|0x000b) plen 7 [hci0] 49.518076 >>> Type: Passive (0x00) >>> Interval: 60.000 msec (0x0060) >>> Window: 30.000 msec (0x0030) >>> Own address type: Public (0x00) >>> Filter policy: Ignore not in white list (0x01) >>>> HCI Event: Command Complete (0x0e) plen 4 [hci0] 49.518952 >>> LE Set Scan Parameters (0x08|0x000b) ncmd 1 >>> Status: Success (0x00) >>> < HCI Command: LE Set Scan Enable (0x08|0x000c) plen 2 [hci0] 49.518981 >>> Scanning: Enabled (0x01) >>> Filter duplicates: Enabled (0x01) >>>> HCI Event: Command Complete (0x0e) plen 4 [hci0] 49.519952 >>> LE Set Scan Enable (0x08|0x000c) ncmd 1 >>> Status: Success (0x00) >>>> HCI Event: LE Meta Event (0x3e) plen 36 [hci0] 52.188030 >>> LE Advertising Report (0x02) >>> Num reports: 1 >>> Event type: Connectable undirected - ADV_IND (0x00) >>> Address type: Random (0x01) >>> Address: F1:6F:DE:EC:F1:D6 (Static) >>> Data length: 24 >>> Flags: 0x06 >>> LE General Discoverable Mode >>> BR/EDR Not Supported >>> 16-bit Service UUIDs (complete): 2 entries >>> Heart Rate (0x180d) >>> Device Information (0x180a) >>> Appearance: Heart Rate Sensor (0x0340) >>> Name (complete): DFU_Test >>> RSSI: -31 dBm (0xe1) >>> < HCI Command: LE Set Scan Enable (0x08|0x000c) plen 2 [hci0] 52.188143 >>> Scanning: Disabled (0x00) >>> Filter duplicates: Disabled (0x00) >>>> HCI Event: Command Complete (0x0e) plen 4 [hci0] 52.188957 >>> LE Set Scan Enable (0x08|0x000c) ncmd 1 >>> Status: Success (0x00) >>> < HCI Command: LE Create Connection (0x08|0x000d) plen 25 [hci0] 52.189058 >>> Scan interval: 60.000 msec (0x0060) >>> Scan window: 30.000 msec (0x0030) >>> Filter policy: White list is not used (0x00) >>> Peer address type: Random (0x01) >>> Peer address: F1:6F:DE:EC:F1:D6 (Static) >>> Own address type: Public (0x00) >>> Min connection interval: 50.00 msec (0x0028) >>> Max connection interval: 70.00 msec (0x0038) >>> Connection latency: 0x0000 >>> Supervision timeout: 420 msec (0x002a) >>> Min connection length: 0.000 msec (0x0000) >>> Max connection length: 0.000 msec (0x0000) >>>> HCI Event: Command Status (0x0f) plen 4 [hci0] 52.189955 >>> LE Create Connection (0x08|0x000d) ncmd 1 >>> Status: Success (0x00) >>> < HCI Command: LE Create Connection Can.. (0x08|0x000e) plen 0 [hci0] 54.195731 >>>> HCI Event: LE Meta Event (0x3e) plen 19 [hci0] 54.195946 >>> LE Connection Complete (0x01) >>> Status: Success (0x00) >>> Handle: 32 >>> Role: Master (0x00) >>> Peer address type: Random (0x01) >>> Peer address: F1:6F:DE:EC:F1:D6 (Static) >>> Connection interval: 67.50 msec (0x0036) >>> Connection latency: 0.00 msec (0x0000) >>> Supervision timeout: 420 msec (0x002a) >>> Master clock accuracy: 0x00 >>> @ Device Connected: F1:6F:DE:EC:F1:D6 (2) flags 0x0000 >>> 02 01 06 05 03 0d 18 0a 18 03 19 40 03 0a 09 44 ...........@...D >>> 46 55 5f 54 65 73 74 00 FU_Test. >>>> HCI Event: Command Complete (0x0e) plen 4 [hci0] 54.196928 >>> LE Create Connection Cancel (0x08|0x000e) ncmd 1 >>> Status: Command Disallowed (0x0c) >>> < HCI Command: LE Read Remote Used Feat.. (0x08|0x0016) plen 2 [hci0] 54.197004 >>> Handle: 32 >>>> HCI Event: Command Status (0x0f) plen 4 [hci0] 54.197929 >>> LE Read Remote Used Features (0x08|0x0016) ncmd 1 >>> Status: Success (0x00) >>>> HCI Event: LE Meta Event (0x3e) plen 12 [hci0] 54.330960 >>> LE Read Remote Used Features (0x04) >>> Status: Success (0x00) >>> Handle: 32 >>> Features: 0x01 0x00 0x00 0x00 0x00 0x00 0x00 0x00 >>> LE Encryption >>> < ACL Data TX: Handle 32 flags 0x00 dlen 7 [hci0] 54.332123 >>> ATT: Exchange MTU Request (0x02) len 2 >>> Client RX MTU: 517 >>>> HCI Event: Number of Completed Packets (0x13) plen 5 [hci0] 54.397976 >>> Num handles: 1 >>> Handle: 32 >>> Count: 1 >>>> ACL Data RX: Handle 32 flags 0x02 dlen 7 [hci0] 54.465099 >>> ATT: Exchange MTU Response (0x03) len 2 >>> Server RX MTU: 23 >>> < ACL Data TX: Handle 32 flags 0x00 dlen 11 [hci0] 54.465342 >>> ATT: Read By Group Type Request (0x10) len 6 >>> Handle range: 0x0001-0xffff >>> Attribute group type: Primary Service (0x2800) >>>> HCI Event: Number of Completed Packets (0x13) plen 5 [hci0] 54.532926 >>> Num handles: 1 >>> Handle: 32 >>> Count: 1 >>>> ACL Data RX: Handle 32 flags 0x02 dlen 18 [hci0] 54.600225 >>> ATT: Read By Group Type Response (0x11) len 13 >>> Attribute data length: 6 >>> Attribute group list: 2 entries >>> Handle range: 0x0001-0x0007 >>> UUID: Generic Access Profile (0x1800) >>> Handle range: 0x0008-0x000b >>> UUID: Generic Attribute Profile (0x1801) >>> < ACL Data TX: Handle 32 flags 0x00 dlen 11 [hci0] 54.600402 >>> ATT: Read By Group Type Request (0x10) len 6 >>> Handle range: 0x000c-0xffff >>> Attribute group type: Primary Service (0x2800) >>>> HCI Event: Number of Completed Packets (0x13) plen 5 [hci0] 54.667973 >>> Num handles: 1 >>> Handle: 32 >>> Count: 1 >>>> ACL Data RX: Handle 32 flags 0x02 dlen 26 [hci0] 54.735207 >>> ATT: Read By Group Type Response (0x11) len 21 >>> Attribute data length: 20 >>> Attribute group list: 1 entry >>> Handle range: 0x000c-0x0011 >>> UUID: Unknown (00001530-1212-efde-1523-785feabcd123) >>> < ACL Data TX: Handle 32 flags 0x00 dlen 11 [hci0] 54.735408 >>> ATT: Read By Group Type Request (0x10) len 6 >>> Handle range: 0x0012-0xffff >>> Attribute group type: Primary Service (0x2800) >>>> HCI Event: Number of Completed Packets (0x13) plen 5 [hci0] 54.802940 >>> Num handles: 1 >>> Handle: 32 >>> Count: 1 >>>> ACL Data RX: Handle 32 flags 0x02 dlen 18 [hci0] 54.937705 >>> ATT: Read By Group Type Response (0x11) len 13 >>> Attribute data length: 6 >>> Attribute group list: 2 entries >>> Handle range: 0x0012-0x0019 >>> UUID: Heart Rate (0x180d) >>> Handle range: 0x001a-0xffff >>> UUID: Device Information (0x180a) >>> < ACL Data TX: Handle 32 flags 0x00 dlen 11 [hci0] 54.937991 >>> ATT: Read By Group Type Request (0x10) len 6 >>> Handle range: 0x0001-0xffff >>> Attribute group type: Secondary Service (0x2801) >>>> HCI Event: Number of Completed Packets (0x13) plen 5 [hci0] 55.005936 >>> Num handles: 1 >>> Handle: 32 >>> Count: 1 >>>> ACL Data RX: Handle 32 flags 0x02 dlen 9 [hci0] 55.072581 >>> ATT: Error Response (0x01) len 4 >>> Read By Group Type Request (0x10) >>> Handle: 0x0001 >>> Error: Attribute Not Found (0x0a) >>> < ACL Data TX: Handle 32 flags 0x00 dlen 11 [hci0] 55.072850 >>> ATT: Read By Type Request (0x08) len 6 >>> Handle range: 0x0008-0x000b >>> Attribute type: Include (0x2802) >>>> HCI Event: Number of Completed Packets (0x13) plen 5 [hci0] 55.140972 >>> Num handles: 1 >>> Handle: 32 >>> Count: 1 >>>> ACL Data RX: Handle 32 flags 0x02 dlen 9 [hci0] 55.207582 >>> ATT: Error Response (0x01) len 4 >>> Read By Type Request (0x08) >>> Handle: 0x0008 >>> Error: Attribute Not Found (0x0a) >>> < ACL Data TX: Handle 32 flags 0x00 dlen 11 [hci0] 55.207940 >>> ATT: Read By Type Request (0x08) len 6 >>> Handle range: 0x000c-0x0011 >>> Attribute type: Include (0x2802) >>>> HCI Event: Number of Completed Packets (0x13) plen 5 [hci0] 55.275954 >>> Num handles: 1 >>> Handle: 32 >>> Count: 1 >>>> ACL Data RX: Handle 32 flags 0x02 dlen 9 [hci0] 55.342564 >>> ATT: Error Response (0x01) len 4 >>> Read By Type Request (0x08) >>> Handle: 0x000c >>> Error: Attribute Not Found (0x0a) >>> < ACL Data TX: Handle 32 flags 0x00 dlen 11 [hci0] 55.342855 >>> ATT: Read By Type Request (0x08) len 6 >>> Handle range: 0x0012-0x0019 >>> Attribute type: Include (0x2802) >>>> HCI Event: Number of Completed Packets (0x13) plen 5 [hci0] 55.410939 >>> Num handles: 1 >>> Handle: 32 >>> Count: 1 >>>> ACL Data RX: Handle 32 flags 0x02 dlen 9 [hci0] 55.477547 >>> ATT: Error Response (0x01) len 4 >>> Read By Type Request (0x08) >>> Handle: 0x0012 >>> Error: Attribute Not Found (0x0a) >>> < ACL Data TX: Handle 32 flags 0x00 dlen 11 [hci0] 55.477794 >>> ATT: Read By Type Request (0x08) len 6 >>> Handle range: 0x001a-0xffff >>> Attribute type: Include (0x2802) >>>> HCI Event: Number of Completed Packets (0x13) plen 5 [hci0] 55.545967 >>> Num handles: 1 >>> Handle: 32 >>> Count: 1 >>>> ACL Data RX: Handle 32 flags 0x02 dlen 9 [hci0] 55.612685 >>> ATT: Error Response (0x01) len 4 >>> Read By Type Request (0x08) >>> Handle: 0x001a >>> Error: Attribute Not Found (0x0a) >>> < ACL Data TX: Handle 32 flags 0x00 dlen 11 [hci0] 55.612878 >>> ATT: Read By Type Request (0x08) len 6 >>> Handle range: 0x0008-0x000b >>> Attribute type: Characteristic (0x2803) >>>> HCI Event: Number of Completed Packets (0x13) plen 5 [hci0] 55.680951 >>> Num handles: 1 >>> Handle: 32 >>> Count: 1 >>>> ACL Data RX: Handle 32 flags 0x02 dlen 13 [hci0] 55.747715 >>> ATT: Read By Type Response (0x09) len 8 >>> Attribute data length: 7 >>> Attribute data list: 1 entry >>> Handle: 0x0009 >>> Value: 200a00052a >>> < ACL Data TX: Handle 32 flags 0x00 dlen 11 [hci0] 55.747892 >>> ATT: Read By Type Request (0x08) len 6 >>> Handle range: 0x000a-0x000b >>> Attribute type: Characteristic (0x2803) >>>> HCI Event: Number of Completed Packets (0x13) plen 5 [hci0] 55.815954 >>> Num handles: 1 >>> Handle: 32 >>> Count: 1 >>>> ACL Data RX: Handle 32 flags 0x02 dlen 9 [hci0] 55.882715 >>> ATT: Error Response (0x01) len 4 >>> Read By Type Request (0x08) >>> Handle: 0x000a >>> Error: Attribute Not Found (0x0a) >>> -- >> >> Was this all? Check if there is any error in bluetoothd logs since it >> appears to have stopped while discovering the characteristics of a GAP >> service. >> >> -- >> Luiz Augusto von Dentz -- 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
