我试图让我的电脑（ubuntu14.04）作为蓝牙耳机工作，但每次手机连接电脑后，它都会在几秒钟内断开连接。 这是hciconfig和hcidump，bluez版本是4.101。 我是否想念保持连接的东西？
hci0: Type: BR/EDR Bus: USB
BD Address: 00:1A:D5:50:00:BF ACL MTU: 310:10 SCO MTU: 64:8
UP RUNNING PSCAN ISCAN
RX bytes:540 acl:0 sco:0 events:28 errors:0
TX bytes:373 acl:0 sco:0 commands:28 errors:0
Features: 0xff 0xff 0x8f 0xfe 0x9b 0xf9 0x00 0x80
Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
Link policy: RSWITCH HOLD SNIFF PARK
Link mode: SLAVE ACCEPT
Name: 'ubuntu-0'
Class: 0x6c0100
Service Classes: Rendering, Capturing, Audio, Telephony
Device Class: Computer, Uncategorized
HCI Version: 2.0 (0x3) Revision: 0xc5c
LMP Version: 2.0 (0x3) Subversion: 0xc5c
Manufacturer: Cambridge Silicon Radio (10)
HCI sniffer - Bluetooth packet analyzer ver 2.5 device: hci0 snap_len: 1500 filter: 0xffffffffffffffff
> HCI Event: Connect Request (0x04) plen 10
bdaddr 7C:7F:E8:35:55:76 class 0x5a020c type ACL
> HCI Event: Command Status (0x0f) plen 4
Accept Connection Request (0x01|0x0009) status 0x00 ncmd 1
> HCI Event: Command Complete (0x0e) plen 10
PIN Code Request Reply (0x01|0x000d) ncmd 1
status 0x00 bdaddr 7C:7F:E8:35:55:76
> HCI Event: Connect Complete (0x03) plen 11
status 0x00 handle 42 bdaddr 7C:7F:E8:35:55:76 type ACL encrypt 0x00
> HCI Event: Command Status (0x0f) plen 4
Read Remote Supported Features (0x01|0x001b) status 0x00 ncmd 0
> HCI Event: Command Status (0x0f) plen 4
Unknown (0x00|0x0000) status 0x00 ncmd 1
> HCI Event: Read Remote Supported Features (0x0b) plen 11
status 0x00 handle 42
Features: 0xff 0xfe 0x8f 0xfe 0xd8 0x3f 0x5b 0x87
> HCI Event: Command Status (0x0f) plen 4
Read Remote Extended Features (0x01|0x001c) status 0x00 ncmd 1
> HCI Event: Read Remote Extended Features (0x23) plen 13
status 0x00 handle 42 page 1 max 2
Features: 0x0f 0x00 0x00 0x00 0x00 0x00 0x00 0x00
> HCI Event: Command Status (0x0f) plen 4
Remote Name Request (0x01|0x0019) status 0x00 ncmd 1
> HCI Event: Remote Name Req Complete (0x07) plen 255
status 0x00 bdaddr 7C:7F:E8:35:55:76 name 'Phone'
> HCI Event: Encrypt Change (0x08) plen 4
status 0x00 handle 42 encrypt 0x01
> HCI Event: Command Status (0x0f) plen 4
Exit Sniff Mode (0x02|0x0004) status 0x00 ncmd 1
> HCI Event: Command Status (0x0f) plen 4
Read Clock Offset (0x01|0x001f) status 0x00 ncmd 1
> HCI Event: Read Clock Offset Complete (0x1c) plen 5
status 0x13 handle 42 clkoffset 0x0000
Error: Remote User Terminated Connection
> HCI Event: Command Status (0x0f) plen 4
Disconnect (0x01|0x0006) status 0x00 ncmd 0
> HCI Event: Disconn Complete (0x05) plen 4
status 0x00 handle 42 reason 0x13
Reason: Remote User Terminated Connection
> HCI Event: Disconn Complete (0x05) plen 4
status 0x02 handle 42 reason 0x02
Error: Unknown Connection Identifier
> HCI Event: Command Status (0x0f) plen 4
Unknown (0x00|0x0000) status 0x00 ncmd 1