Tool/software: Linux
Hello
On my linux embedded platform, I'm trying to integrate bluez 5.x in order to get BLE support. I'm using linux-3.10.102.
When I try to initialize hci, at some point I get an error (DEVICE BUSY) and initialization fails...
This is the log obtained from hci_core.c in net/bluetooth.
hci_register_dev: c1068000 name hci0 bus 3 hci_power_on: hci0 hci_dev_get: 0 hci_dev_open: hci0 c1068000 __hci_req_sync: hci0 start hci_init1_req: hci0 0 hci_reset_req: hci0 0 hci_req_add_ev: hci0 opcode 0x0c03 plen 0 hci_prepare_cmd: skb len 3 hci_req_add_ev: hci0 opcode 0x1003 plen 0 hci_prepare_cmd: skb len 3 hci_req_add_ev: hci0 opcode 0x1001 plen 0 hci_prepare_cmd: skb len 3 hci_req_add_ev: hci0 opcode 0x1009 plen 0 hci_prepare_cmd: skb len 3 hci_req_run: length 4 hci_cmd_work: hci0 cmd_cnt 1 cmd queued 4 hci_send_frame: hci0 type 1 len 3 hci_rx_work: hci0 hci_rx_work: hci0 Event packet hci_req_cmd_complete: opcode 0x0c03 status 0x00 hci_sent_cmd_data: hci0 opcode 0x0c03 hci_cmd_work: hci0 cmd_cnt 1 cmd queued 3 hci_send_frame: hci0 type 1 len 3 hci_rx_work: hci0 hci_rx_work: hci0 Event packet hci_req_cmd_complete: opcode 0x1003 status 0x00 hci_sent_cmd_data: hci0 opcode 0x1003 hci_cmd_work: hci0 cmd_cnt 1 cmd queued 2 hci_send_frame: hci0 type 1 len 3 hci_rx_work: hci0 hci_rx_work: hci0 Event packet hci_req_cmd_complete: opcode 0x1001 status 0x00 hci_sent_cmd_data: hci0 opcode 0x1001 hci_cmd_work: hci0 cmd_cnt 1 cmd queued 1 hci_send_frame: hci0 type 1 len 3 hci_rx_work: hci0 hci_rx_work: hci0 Event packet hci_req_cmd_complete: opcode 0x1009 status 0x00 hci_sent_cmd_data: hci0 opcode 0x1009 hci_req_sync_complete: hci0 result 0x00 __hci_req_sync: hci0 end: err 0 __hci_req_sync: hci0 start hci_req_add_ev: hci0 opcode 0x1005 plen 0 hci_prepare_cmd: skb len 3 hci_req_add_ev: hci0 opcode 0x0c23 plen 0 hci_prepare_cmd: skb len 3 hci_req_add_ev: hci0 opcode 0x0c14 plen 0 hci_prepare_cmd: skb len 3 hci_req_add_ev: hci0 opcode 0x0c25 plen 0 hci_prepare_cmd: skb len 3 hci_req_add_ev: hci0 opcode 0x0c05 plen 1 hci_prepare_cmd: skb len 4 hci_req_add_ev: hci0 opcode 0x0c16 plen 2 hci_prepare_cmd: skb len 5 hci_req_add_ev: hci0 opcode 0x0c1b plen 0 hci_prepare_cmd: skb len 3 hci_req_add_ev: hci0 opcode 0x0c46 plen 0 hci_prepare_cmd: skb len 3 hci_req_add_ev: hci0 opcode 0x2002 plen 0 hci_prepare_cmd: skb len 3 hci_req_add_ev: hci0 opcode 0x2003 plen 0 hci_prepare_cmd: skb len 3 hci_req_add_ev: hci0 opcode 0x2007 plen 0 hci_prepare_cmd: skb len 3 hci_req_add_ev: hci0 opcode 0x200f plen 0 hci_prepare_cmd: skb len 3 hci_req_add_ev: hci0 opcode 0x201c plen 0 hci_prepare_cmd: skb len 3 hci_req_add_ev: hci0 opcode 0x0c01 plen 8 hci_prepare_cmd: skb len 11 hci_req_add_ev: hci0 opcode 0x2001 plen 8 hci_prepare_cmd: skb len 11 hci_req_add_ev: hci0 opcode 0x1002 plen 0 hci_prepare_cmd: skb len 3 hci_req_add_ev: hci0 opcode 0x0c52 plen 241 hci_prepare_cmd: skb len 244 hci_req_add_ev: hci0 opcode 0x0c45 plen 1 hci_prepare_cmd: skb len 4 hci_req_add_ev: hci0 opcode 0x0c58 plen 0 hci_prepare_cmd: skb len 3 hci_req_add_ev: hci0 opcode 0x1004 plen 1 hci_prepare_cmd: skb len 4 hci_req_run: length 20 hci_cmd_work: hci0 cmd_cnt 1 cmd queued 20 hci_send_frame: hci0 type 1 len 3 hci_rx_work: hci0 hci_rx_work: hci0 Event packet hci_req_cmd_complete: opcode 0x1005 status 0x00 hci_sent_cmd_data: hci0 opcode 0x1005 hci_cmd_work: hci0 cmd_cnt 1 cmd queued 19 hci_send_frame: hci0 type 1 len 3 hci_rx_work: hci0 hci_rx_work: hci0 Event packet hci_req_cmd_complete: opcode 0x0c23 status 0x00 hci_sent_cmd_data: hci0 opcode 0x0c23 hci_cmd_work: hci0 cmd_cnt 1 cmd queued 18 hci_send_frame: hci0 type 1 len 3 hci_rx_work: hci0 hci_rx_work: hci0 Event packet hci_req_cmd_complete: opcode 0x0c14 status 0x00 hci_sent_cmd_data: hci0 opcode 0x0c14 hci_cmd_work: hci0 cmd_cnt 1 cmd queued 17 hci_send_frame: hci0 type 1 len 3 hci_rx_work: hci0 hci_rx_work: hci0 Event packet hci_req_cmd_complete: opcode 0x0c25 status 0x00 hci_sent_cmd_data: hci0 opcode 0x0c25 hci_cmd_work: hci0 cmd_cnt 1 cmd queued 16 hci_send_frame: hci0 type 1 len 4 hci_rx_work: hci0 hci_rx_work: hci0 Event packet hci_req_cmd_complete: opcode 0x0c05 status 0x00 hci_sent_cmd_data: hci0 opcode 0x0c05 hci_cmd_work: hci0 cmd_cnt 1 cmd queued 15 hci_send_frame: hci0 type 1 len 5 hci_rx_work: hci0 hci_rx_work: hci0 Event packet hci_req_cmd_complete: opcode 0x0c16 status 0x00 hci_sent_cmd_data: hci0 opcode 0x0c16 hci_cmd_work: hci0 cmd_cnt 1 cmd queued 14 hci_send_frame: hci0 type 1 len 3 hci_rx_work: hci0 hci_rx_work: hci0 Event packet hci_req_cmd_complete: opcode 0x0c1b status 0x00 hci_sent_cmd_data: hci0 opcode 0x0c1b hci_cmd_work: hci0 cmd_cnt 1 cmd queued 13 hci_send_frame: hci0 type 1 len 3 hci_rx_work: hci0 hci_rx_work: hci0 Event packet hci_req_cmd_complete: opcode 0x0c46 status 0x00 hci_sent_cmd_data: hci0 opcode 0x0c46 hci_cmd_work: hci0 cmd_cnt 1 cmd queued 12 hci_send_frame: hci0 type 1 len 3 hci_rx_work: hci0 hci_rx_work: hci0 Event packet hci_req_cmd_complete: opcode 0x2002 status 0x00 hci_sent_cmd_data: hci0 opcode 0x2002 hci_cmd_work: hci0 cmd_cnt 1 cmd queued 11 hci_send_frame: hci0 type 1 len 3 hci_rx_work: hci0 hci_rx_work: hci0 Event packet hci_req_cmd_complete: opcode 0x2003 status 0x00 hci_sent_cmd_data: hci0 opcode 0x2003 hci_cmd_work: hci0 cmd_cnt 1 cmd queued 10 hci_send_frame: hci0 type 1 len 3 hci_rx_work: hci0 hci_rx_work: hci0 Event packet hci_req_cmd_complete: opcode 0x2007 status 0x0c hci_sent_cmd_data: hci0 opcode 0x2007 hci_req_sync_complete: hci0 result 0x0c __hci_req_sync: hci0 end: err -16 hci_dev_get: 0 hci_dev_get: 0 hci_dev_get: 0
Is it easy to understand where is the error? Maybe is an opcode that fails...