Return-Path: MIME-Version: 1.0 In-Reply-To: References: Date: Thu, 25 Feb 2016 16:03:59 +0200 Message-ID: Subject: Re: What does mean "GattServices is nil" ? From: Luiz Augusto von Dentz To: =?UTF-8?Q?Fran=C3=A7ois_Beaufort?= Cc: BlueZ development Content-Type: text/plain; charset=UTF-8 Sender: linux-bluetooth-owner@vger.kernel.org List-ID: Hi François, On Thu, Feb 25, 2016 at 3:59 PM, François Beaufort wrote: > Here's an interesting bit, I've tried with Chromebook Pixel 2013 and > Chromebook Pixel 2015 (different chipsets) and the results are > differents > > Chromebook Pixel 2013 fails to get GATT Services: > http://pastebin.com/raw/gsi63kWg Perhaps something else is affecting that, do you have the bluetoothd logs? > Chromebook Pixel 2015 can discover all of them: http://pastebin.com/raw/z5vr0B3P > > Does that make some kind of sense? > > On Wed, Feb 17, 2016 at 6:12 PM, François Beaufort > wrote: >> I didn't have a chance to try your patches sadly. >> Feel free to push them as it will still be valuable for sure. >> >> On Tue, Feb 16, 2016 at 12:49 PM, Luiz Augusto von Dentz >> wrote: >>> Hi François, >>> >>> On Mon, Feb 15, 2016 at 2:32 PM, Luiz Augusto von Dentz >>> wrote: >>>> Hi François, >>>> >>>> On Mon, Feb 15, 2016 at 12:20 PM, François Beaufort >>>> wrote: >>>>> And here are my bluetoothd logs when enabling debug mode: >>>>> http://pastebin.com/raw/WjRVrMk5 >>>>> >>>>> bluetoothd[21655]: src/device.c:device_connect_le() Connection attempt >>>>> to: F1:6F:DE:EC:F1:D6 >>>>> bluetoothd[21655]: src/adapter.c:connect_failed_callback() hci0 >>>>> F1:6F:DE:EC:F1:D6 status 2 >>>>> bluetoothd[21655]: plugins/policy.c:conn_fail_cb() status 2 >>>>> bluetoothd[21655]: src/adapter.c:bonding_attempt_complete() hci0 >>>>> bdaddr F1:6F:DE:EC:F1:D6 type 2 status 0x2 >>>>> bluetoothd[21655]: src/device.c:device_bonding_complete() bonding >>>>> (nil) status 0x02 >>>>> bluetoothd[21655]: src/device.c:device_bonding_failed() status 2 >>>>> bluetoothd[21655]: src/adapter.c:resume_discovery() >>>>> bluetoothd[21655]: src/device.c:att_connect_cb() connect error: >>>>> Transport endpoint is not connected (107) >>>>> bluetoothd[21655]: src/adapter.c:connected_callback() hci0 device >>>>> F1:6F:DE:EC:F1:D6 connected eir_len 24 >>>>> bluetoothd[21655]: attrib/gattrib.c:g_attrib_ref() 0x7f3ccfe929b0: >>>>> g_attrib_ref=1 >>>>> bluetoothd[21655]: src/device.c:load_gatt_db() Restoring >>>>> F1:6F:DE:EC:F1:D6 gatt database from file >>>>> bluetoothd[21655]: src/device.c:load_service() loading service: >>>>> 0x0001, end: 0x0007, uuid: 1800 >>>>> bluetoothd[21655]: src/device.c:load_service() loading service: >>>>> 0x0008, end: 0x000b, uuid: 00001801-0000-1000-8000-00805f9b34fb >>>>> bluetoothd[21655]: src/device.c:load_service() loading service: >>>>> 0x0012, end: 0x0019, uuid: 0000180d-0000-1000-8000-00805f9b34fb >>>>> bluetoothd[21655]: src/device.c:load_service() loading service: >>>>> 0x001a, end: 0xffff, uuid: 0000180a-0000-1000-8000-00805f9b34fb >>>>> bluetoothd[21655]: src/device.c:load_chrc() loading characteristic >>>>> handle: 0x0002, value handle: 0x0003, properties 0x000a uuid: 2a00 >>>>> bluetoothd[21655]: src/device.c:load_chrc() loading characteristic >>>>> handle: 0x0004, value handle: 0x0005, properties 0x0002 uuid: 2a01 >>>>> bluetoothd[21655]: src/device.c:load_chrc() loading characteristic >>>>> handle: 0x0006, value handle: 0x0007, properties 0x0002 uuid: 2a04 >>>>> bluetoothd[21655]: src/device.c:load_chrc() loading characteristic >>>>> handle: 0x0009, value handle: 0x000a, properties 0x0020 uuid: >>>>> 00002a05-0000-1000-8000-00805f9b34fb >>>>> bluetoothd[21655]: src/device.c:load_chrc() loading characteristic >>>>> handle: 0x000a, value handle: 0x000b, properties 0x0010 uuid: >>>>> 6e400003-b5a3-f393-e0a9-e50e24dcca9e >>>>> bluetoothd[21655]: saving characteristic to db failed >>>>> bluetoothd[21655]: Unable to load gatt db from file for F1:6F:DE:EC:F1:D6 >>>>> bluetoothd[21655]: src/gatt-client.c:btd_gatt_client_connected() >>>>> Device connected. >>>>> bluetoothd[21655]: src/device.c:att_browse_cb() ATT connection successful >>>>> bluetoothd[21655]: src/device.c:gatt_debug() MTU exchange complete, with MTU: 23 >>>>> bluetoothd[21655]: src/device.c:gatt_debug() Primary services found: 5 >>>>> bluetoothd[21655]: src/device.c:gatt_debug() start: 0x0001, end: >>>>> 0x0007, uuid: 00001800-0000-1000-8000-00805f9b34fb >>>>> bluetoothd[21655]: src/device.c:gatt_debug() start: 0x0008, end: >>>>> 0x000b, uuid: 00001801-0000-1000-8000-00805f9b34fb >>>>> bluetoothd[21655]: src/device.c:gatt_debug() start: 0x000c, end: >>>>> 0x0011, uuid: 00001530-1212-efde-1523-785feabcd123 >>>>> bluetoothd[21655]: src/device.c:gatt_debug() start: 0x0012, end: >>>>> 0x0019, uuid: 0000180d-0000-1000-8000-00805f9b34fb >>>>> bluetoothd[21655]: src/device.c:gatt_debug() start: 0x001a, end: >>>>> 0xffff, uuid: 0000180a-0000-1000-8000-00805f9b34fb >>>>> bluetoothd[21655]: src/device.c:gatt_debug() Secondary service >>>>> discovery failed. ATT ECODE: 0x0a >>>>> bluetoothd[21655]: src/device.c:gatt_debug() Characteristics found: 1 >>>>> bluetoothd[21655]: src/device.c:gatt_debug() start: 0x0009, end: >>>>> 0x000b, value: 0x000a, props: 0x20, uuid: 00002a05-0000-1 >>>>> bluetoothd[21655]: src/device.c:gatt_debug() Failed to initialize gatt-client >>>>> bluetoothd[21655]: src/device.c:gatt_client_ready_cb() status: failed, error: 10 >>>>> bluetoothd[21655]: src/device.c:device_svc_resolved() >>>>> /org/bluez/hci0/dev_F1_6F_DE_EC_F1_D6 err -5 >>>>> bluetoothd[21655]: src/device.c:gatt_service_removed() start: 0x0001, >>>>> end: 0x0007 >>>> >>>> It turns out it was the cache malfunctioning, it does clear the cache >>>> properly before storing the services when it changed so you would end >>>> up with new and old services which obviously does not work as the >>>> ranges tend to overlap. >>> >>> Have you tried my patches? I will probably push them today if you don't object. >>> >>> >>> >>> -- >>> Luiz Augusto von Dentz -- Luiz Augusto von Dentz