MH> it should not do that at all. Once a controller is powered that should stay until you tell it otherwise. Since I wrote, I powerred it back on and is has remained up, but still refuses to reconnect to the keyboard w/o an explicit connect command in bluetoothctl. MH> You can also check with btmon what happens when the keyboard MH> disconnects. If the controller goes away it will tell you as well. I ran btmon until the keyboard disconnected; the last few events were: ,---- | > HCI Event: Mode Change (0x14) plen 6 [hci0] 4313.775232 | Status: Remote User Terminated Connection (0x13) | Handle: 256 | Mode: Active (0x00) | Interval: 0.000 msec (0x0000) | > HCI Event: Disconnect Complete (0x05) plen 4 [hci0] 4313.777078 | Status: Success (0x00) | Handle: 256 | Reason: Remote User Terminated Connection (0x13) | @ Device Disconnected: 90:7F:xx:xx:xx:xx (0) reason 3 | < HCI Command: Write Scan Enable (0x03|0x001a) plen 1 [hci0] 4313.788169 | Scan enable: Page Scan (0x02) | > HCI Event: Command Complete (0x0e) plen 4 [hci0] 4313.790072 | Write Scan Enable (0x03|0x001a) ncmd 2 | Status: Success (0x00) `---- Today I ran hcidump and hit a key on the keyboard; that showed: ,---- | > HCI Event: Connect Request (0x04) plen 10 | bdaddr 90:7F:xx:xx:xx:xx class 0x000540 type ACL | < HCI Command: Accept Connection Request (0x01|0x0009) plen 7 | bdaddr 90:7F:xx:xx:xx:xx role 0x00 | Role: Master | > HCI Event: Command Status (0x0f) plen 4 | Accept Connection Request (0x01|0x0009) status 0x00 ncmd 1 | > HCI Event: Role Change (0x12) plen 8 | status 0x00 bdaddr 90:7F:xx:xx:xx:xx role 0x00 | Role: Master | > HCI Event: Connect Complete (0x03) plen 11 | status 0x00 handle 256 bdaddr 90:7F:xx:xx:xx:xx type ACL encrypt 0x00 | < HCI Command: Read Remote Supported Features (0x01|0x001b) plen 2 | handle 256 | > HCI Event: Command Status (0x0f) plen 4 | Read Remote Supported Features (0x01|0x001b) status 0x00 ncmd 1 | < HCI Command: Write Scan Enable (0x03|0x001a) plen 1 | enable 0 | > HCI Event: Max Slots Change (0x1b) plen 3 | handle 256 slots 5 | > HCI Event: Command Complete (0x0e) plen 4 | Write Scan Enable (0x03|0x001a) ncmd 2 | status 0x00 | > HCI Event: Read Remote Supported Features (0x0b) plen 11 | status 0x00 handle 256 | Features: 0xbf 0x06 0x86 0x78 0x18 0x1e 0x59 0x87 | < HCI Command: Read Remote Extended Features (0x01|0x001c) plen 3 | handle 256 page 1 | > 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 256 page 1 max 0 | Features: 0x01 0x00 0x00 0x00 0x00 0x00 0x00 0x00 | < HCI Command: Remote Name Request (0x01|0x0019) plen 10 | bdaddr 90:7F:xx:xx:xx:xx mode 2 clkoffset 0x0000 | < ACL data: handle 256 flags 0x00 dlen 10 | L2CAP(s): Info req: type 2 | > ACL data: handle 256 flags 0x02 dlen 12 | L2CAP(s): Connect req: psm 17 scid 0x0045 | > HCI Event: Command Status (0x0f) plen 4 | Remote Name Request (0x01|0x0019) status 0x00 ncmd 1 | < ACL data: handle 256 flags 0x00 dlen 16 | L2CAP(s): Connect rsp: dcid 0x0000 scid 0x0045 result 3 status 0 | Connection refused - security block | > ACL data: handle 256 flags 0x02 dlen 16 | L2CAP(s): Info rsp: type 2 result 0 | Extended feature mask 0x0280 | Fixed Channels | Unicast Connectless Data Reception | > HCI Event: Number of Completed Packets (0x13) plen 5 | handle 256 packets 1 | < ACL data: handle 256 flags 0x00 dlen 10 | L2CAP(s): Info req: type 3 | > HCI Event: Number of Completed Packets (0x13) plen 5 | handle 256 packets 1 | > HCI Event: Command Complete (0x0e) plen 4 | Set AFH Host Channel Classification (0x03|0x003f) ncmd 2 | status 0x00 | > HCI Event: Remote Name Req Complete (0x07) plen 255 | status 0x13 bdaddr 90:7F:xx:xx:xx:xx name '' | Error: Remote User Terminated Connection | > HCI Event: Disconn Complete (0x05) plen 4 | status 0x00 handle 256 reason 0x13 | Reason: Remote User Terminated Connection | < HCI Command: Write Scan Enable (0x03|0x001a) plen 1 | enable 2 | > HCI Event: Command Complete (0x0e) plen 4 | Write Scan Enable (0x03|0x001a) ncmd 2 | status 0x00 | > HCI Event: Connect Request (0x04) plen 10 | bdaddr 90:7F:xx:xx:xx:xx class 0x000540 type ACL | < HCI Command: Accept Connection Request (0x01|0x0009) plen 7 | bdaddr 90:7F:xx:xx:xx:xx role 0x00 | Role: Master | > HCI Event: Command Status (0x0f) plen 4 | Accept Connection Request (0x01|0x0009) status 0x00 ncmd 1 | > HCI Event: Role Change (0x12) plen 8 | status 0x00 bdaddr 90:7F:xx:xx:xx:xx role 0x00 | Role: Master | > HCI Event: Connect Complete (0x03) plen 11 | status 0x00 handle 256 bdaddr 90:7F:xx:xx:xx:xx type ACL encrypt 0x00 | < HCI Command: Read Remote Supported Features (0x01|0x001b) plen 2 | handle 256 | > HCI Event: Command Status (0x0f) plen 4 | Read Remote Supported Features (0x01|0x001b) status 0x00 ncmd 1 | < HCI Command: Write Scan Enable (0x03|0x001a) plen 1 | enable 0 | > HCI Event: Max Slots Change (0x1b) plen 3 | handle 256 slots 5 | > HCI Event: Command Complete (0x0e) plen 4 | Write Scan Enable (0x03|0x001a) ncmd 2 | status 0x00 | > HCI Event: Read Remote Supported Features (0x0b) plen 11 | status 0x00 handle 256 | Features: 0xbf 0x06 0x86 0x78 0x18 0x1e 0x59 0x87 | < HCI Command: Read Remote Extended Features (0x01|0x001c) plen 3 | handle 256 page 1 | > 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 256 page 1 max 0 | Features: 0x01 0x00 0x00 0x00 0x00 0x00 0x00 0x00 | < HCI Command: Remote Name Request (0x01|0x0019) plen 10 | bdaddr 90:7F:xx:xx:xx:xx mode 2 clkoffset 0x0000 | < ACL data: handle 256 flags 0x00 dlen 10 | L2CAP(s): Info req: type 2 | > HCI Event: Command Status (0x0f) plen 4 | Remote Name Request (0x01|0x0019) status 0x00 ncmd 1 | > ACL data: handle 256 flags 0x02 dlen 12 | L2CAP(s): Connect req: psm 17 scid 0x0040 | > HCI Event: Number of Completed Packets (0x13) plen 5 | handle 256 packets 1 | < ACL data: handle 256 flags 0x00 dlen 16 | L2CAP(s): Connect rsp: dcid 0x0000 scid 0x0040 result 3 status 0 | Connection refused - security block | > ACL data: handle 256 flags 0x02 dlen 16 | L2CAP(s): Info rsp: type 2 result 0 | Extended feature mask 0x0280 | Fixed Channels | Unicast Connectless Data Reception | < ACL data: handle 256 flags 0x00 dlen 10 | L2CAP(s): Info req: type 3 | > HCI Event: Number of Completed Packets (0x13) plen 5 | handle 256 packets 1 | > HCI Event: Number of Completed Packets (0x13) plen 5 | handle 256 packets 1 | > HCI Event: Command Complete (0x0e) plen 4 | Set AFH Host Channel Classification (0x03|0x003f) ncmd 2 | status 0x00 | > HCI Event: Remote Name Req Complete (0x07) plen 255 | status 0x13 bdaddr 90:7F:xx:xx:xx:xx name '' | Error: Remote User Terminated Connection | > HCI Event: Disconn Complete (0x05) plen 4 | status 0x00 handle 256 reason 0x13 | Reason: Remote User Terminated Connection | < HCI Command: Write Scan Enable (0x03|0x001a) plen 1 | enable 2 | > HCI Event: Command Complete (0x0e) plen 4 | Write Scan Enable (0x03|0x001a) ncmd 2 | status 0x00 `---- As you can see, there are a couple of Connection refused - security block errors. Is there a permission issue which I miss? For reference: ,---- | :; bluetoothctl | [NEW] Controller 80:86:xx:xx:xx:xx BlueZ 5.27 [default] | [NEW] Device 90:7F:xx:xx:xx:xx ThinkPad Compact Bluetooth Keyboard with TrackPoint | [bluetooth]# show | Controller 80:86:xx:xx:xx:xx | Name: BlueZ 5.27 | Alias: BlueZ 5.27 | Class: 0x000104 | Powered: yes | Discoverable: no | Pairable: yes | UUID: PnP Information (00001200-0000-1000-8000-00805f9b34fb) | UUID: Generic Access Profile (00001800-0000-1000-8000-00805f9b34fb) | UUID: Generic Attribute Profile (00001801-0000-1000-8000-00805f9b34fb) | UUID: A/V Remote Control (0000110e-0000-1000-8000-00805f9b34fb) | UUID: A/V Remote Control Target (0000110c-0000-1000-8000-00805f9b34fb) | Modalias: usb:v1D6Bp0246d051B | Discovering: no | [bluetooth]# info 90:7F:xx:xx:xx:xx | Device 90:7F:xx:xx:xx:xx | Name: ThinkPad Compact Bluetooth Keyboard with TrackPoint | Alias: ThinkPad Compact Bluetooth Keyboard with TrackPoint | Class: 0x000540 | Icon: input-keyboard | Paired: yes | Trusted: yes | Blocked: no | Connected: no | LegacyPairing: no | UUID: Service Discovery Serve.. (00001000-0000-1000-8000-00805f9b34fb) | UUID: Human Interface Device... (00001124-0000-1000-8000-00805f9b34fb) | UUID: PnP Information (00001200-0000-1000-8000-00805f9b34fb) | Modalias: usb:v17EFp6048d0309 `---- -JimC -- James Cloos <cloos@xxxxxxxxxxx> OpenPGP: 0x997A9F17ED7DAEA6 -- 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
