Return-Path: MIME-Version: 1.0 From: =?UTF-8?Q?Fran=C3=A7ois_Beaufort?= Date: Mon, 23 Nov 2015 15:43:11 +0100 Message-ID: Subject: Unknown Connection Identifier To: linux-bluetooth@vger.kernel.org Content-Type: text/plain; charset=UTF-8 Sender: linux-bluetooth-owner@vger.kernel.org List-ID: Hello everyone! Would you know why I get a "Status: Unknown Connection Identifier (0x02)" error while trying to connect to a BLE device, causing a "Connect failed" message. However sometimes, as you can read below, it is still able to connect to it. Bluetooth monitor ver 5.35 ... < HCI Command: LE Set Scan Parameters (0x08|0x000b) plen 7 [hci0] 15:36:33.367332 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] 15:36:33.368113 LE Set Scan Parameters (0x08|0x000b) ncmd 1 Status: Success (0x00) < HCI Command: LE Set Scan Enable (0x08|0x000c) plen 2 [hci0] 15:36:33.368139 Scanning: Enabled (0x01) Filter duplicates: Enabled (0x01) > HCI Event: Command Complete (0x0e) plen 4 [hci0] 15:36:33.369111 LE Set Scan Enable (0x08|0x000c) ncmd 1 Status: Success (0x00) > HCI Event: LE Meta Event (0x3e) plen 43 [hci0] 15:36:37.636180 LE Advertising Report (0x02) Num reports: 1 Event type: Connectable undirected - ADV_IND (0x00) Address type: Public (0x00) Address: 88:0F:10:9D:EB:42 (OUI 88-0F-10) Data length: 31 Flags: 0x06 LE General Discoverable Mode BR/EDR Not Supported Company: Anhui Huami Information Technology Co., Ltd. (343) Data: 0093590469cb1080738d253d87117136f902880f109deb42 RSSI: -60 dBm (0xc4) < HCI Command: LE Set Scan Enable (0x08|0x000c) plen 2 [hci0] 15:36:37.636249 Scanning: Disabled (0x00) Filter duplicates: Disabled (0x00) > HCI Event: Command Complete (0x0e) plen 4 [hci0] 15:36:37.637121 LE Set Scan Enable (0x08|0x000c) ncmd 1 Status: Success (0x00) < HCI Command: LE Create Connection (0x08|0x000d) plen 25 [hci0] 15:36:37.637198 Scan interval: 60.000 msec (0x0060) Scan window: 30.000 msec (0x0030) Filter policy: White list is not used (0x00) Peer address type: Public (0x00) Peer address: 88:0F:10:9D:EB:42 (OUI 88-0F-10) 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] 15:36:37.638083 LE Create Connection (0x08|0x000d) ncmd 1 Status: Success (0x00) < HCI Command: LE Create Connection Cancel (0x08|0x000e) plen 0 [hci0] 15:36:39.643232 > HCI Event: Command Complete (0x0e) plen 4 [hci0] 15:36:39.644088 LE Create Connection Cancel (0x08|0x000e) ncmd 1 Status: Success (0x00) > HCI Event: LE Meta Event (0x3e) plen 19 [hci0] 15:36:39.646071 LE Connection Complete (0x01) Status: Unknown Connection Identifier (0x02) Handle: 32 Role: Master (0x00) Peer address type: Public (0x00) Peer address: 88:0F:10:9D:EB:42 (OUI 88-0F-10) Connection interval: 67.50 msec (0x0036) Connection latency: 0.00 msec (0x0000) Supervision timeout: 420 msec (0x002a) Master clock accuracy: 0x00 @ Connect Failed: 88:0F:10:9D:EB:42 (1) status 0x02 < HCI Command: LE Set Scan Parameters (0x08|0x000b) plen 7 [hci0] 15:36:39.663306 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] 15:36:39.664082 LE Set Scan Parameters (0x08|0x000b) ncmd 1 Status: Success (0x00) < HCI Command: LE Set Scan Enable (0x08|0x000c) plen 2 [hci0] 15:36:39.664181 Scanning: Enabled (0x01) Filter duplicates: Enabled (0x01) > HCI Event: Command Complete (0x0e) plen 4 [hci0] 15:36:39.665078 LE Set Scan Enable (0x08|0x000c) ncmd 1 Status: Success (0x00) > HCI Event: LE Meta Event (0x3e) plen 43 [hci0] 15:36:40.647148 LE Advertising Report (0x02) Num reports: 1 Event type: Connectable undirected - ADV_IND (0x00) Address type: Public (0x00) Address: 88:0F:10:9D:EB:42 (OUI 88-0F-10) Data length: 31 Flags: 0x06 LE General Discoverable Mode BR/EDR Not Supported Company: Anhui Huami Information Technology Co., Ltd. (343) Data: 0093590469cb1080738d253d87117136f902880f109deb42 RSSI: -61 dBm (0xc3) < HCI Command: LE Set Scan Enable (0x08|0x000c) plen 2 [hci0] 15:36:40.647275 Scanning: Disabled (0x00) Filter duplicates: Disabled (0x00) > HCI Event: Command Complete (0x0e) plen 4 [hci0] 15:36:40.648077 LE Set Scan Enable (0x08|0x000c) ncmd 1 Status: Success (0x00) < HCI Command: LE Create Connection (0x08|0x000d) plen 25 [hci0] 15:36:40.648195 Scan interval: 60.000 msec (0x0060) Scan window: 30.000 msec (0x0030) Filter policy: White list is not used (0x00) Peer address type: Public (0x00) Peer address: 88:0F:10:9D:EB:42 (OUI 88-0F-10) 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] 15:36:40.649074 LE Create Connection (0x08|0x000d) ncmd 1 Status: Success (0x00) > HCI Event: LE Meta Event (0x3e) plen 19 [hci0] 15:36:42.154146 LE Connection Complete (0x01) Status: Success (0x00) Handle: 32 Role: Master (0x00) Peer address type: Public (0x00) Peer address: 88:0F:10:9D:EB:42 (OUI 88-0F-10) Connection interval: 67.50 msec (0x0036) Connection latency: 0.00 msec (0x0000) Supervision timeout: 420 msec (0x002a) Master clock accuracy: 0x00 < HCI Command: LE Read Remote Used Features (0x08|0x0016) plen 2 [hci0] 15:36:42.154539 Handle: 32 @ Device Connected: 88:0F:10:9D:EB:42 (1) flags 0x0000