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penetrode
Apprentice
Joined: 29 Dec 2003
Posts: 285
Location: Calgary, Alberta
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 Posted: Sat Dec 07, 2019 11:11 pm Post subject: Broadcom BCM2045B Bluetooth controller not activating |
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I have a Thinkpad T500 with a built-in Bluetooth controller from Broadcom, specifically the BCM2045b.
I've built the Bluetooth USB drivers into the kernel:
| Code: | # zgrep -i BTUSB /proc/config.gz
CONFIG_BT_HCIBTUSB=y
# CONFIG_BT_HCIBTUSB_AUTOSUSPEND is not set
CONFIG_BT_HCIBTUSB_BCM=y
CONFIG_BT_HCIBTUSB_RTL=y
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The controller does not appear in bluetoothctl when I enter the devices command:
| Code: | $ bluetoothctl
Agent registered
[bluetooth]# devices
No default controller available
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I can see one of the bluetooth components in rfkill, but at this point, the controller is not visible in lsusb:
| Code: | # LANG=C rfkill
ID TYPE DEVICE SOFT HARD
0 bluetooth tpacpi_bluetooth_sw blocked unblocked
1 wwan tpacpi_wwan_sw unblocked unblocked
3 wlan phy0 unblocked unblocked
thinkpad_T500 Sa Dez 07 23:16:25 rules.d # lsusb
Bus 002 Device 003: ID 0bdb:1900 Ericsson Business Mobile Networks BV F3507g Mobile Broadband Module
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 002: ID 045e:00cb Microsoft Corp. Basic Optical Mouse v2.0
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub |
I have tried unblocking bluetooth devices with the command 'rfkill unblock bluetooth', but I have to do this twice. Once makes the hci0 device appear, the second time unblocks it. After performing the unblock command, the device appears in the lsusb output:
| Code: | # LANG=C rfkill && rfkill unblock bluetooth && LANG=C rfkill && sleep 2 && rfkill unblock bluetooth && LANG=C rfkill && lsusb
ID TYPE DEVICE SOFT HARD
0 bluetooth tpacpi_bluetooth_sw blocked unblocked
1 wwan tpacpi_wwan_sw unblocked unblocked
3 wlan phy0 unblocked unblocked
ID TYPE DEVICE SOFT HARD
0 bluetooth tpacpi_bluetooth_sw unblocked unblocked
1 wwan tpacpi_wwan_sw unblocked unblocked
3 wlan phy0 unblocked unblocked
ID TYPE DEVICE SOFT HARD
0 bluetooth tpacpi_bluetooth_sw unblocked unblocked
1 wwan tpacpi_wwan_sw unblocked unblocked
3 wlan phy0 unblocked unblocked
42 bluetooth hci0 unblocked unblocked
Bus 002 Device 003: ID 0bdb:1900 Ericsson Business Mobile Networks BV F3507g Mobile Broadband Module
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 002: ID 045e:00cb Microsoft Corp. Basic Optical Mouse v2.0
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 041: ID 0a5c:2145 Broadcom Corp. BCM2045B (BDC-2.1) [Bluetooth Controller]
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
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Notably, if I issue lsusb -v instead of plain lsusb when the BCM2045B is visible in the short output, it will hang briefly, then print "Couldn't open device, some information will be missing." Here is the full output:
| Code: | Bus 004 Device 020: ID 0a5c:2145 Broadcom Corp. BCM2045B (BDC-2.1) [Bluetooth Controller]
Couldn't open device, some information will be missing
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 224 Wireless
bDeviceSubClass 1 Radio Frequency
bDeviceProtocol 1 Bluetooth
bMaxPacketSize0 64
idVendor 0x0a5c Broadcom Corp.
idProduct 0x2145 BCM2045B (BDC-2.1) [Bluetooth Controller]
bcdDevice 3.99
iManufacturer 1
iProduct 2
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 0x00d8
bNumInterfaces 4
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xe0
Self Powered
Remote Wakeup
MaxPower 100mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 3
bInterfaceClass 224 Wireless
bInterfaceSubClass 1 Radio Frequency
bInterfaceProtocol 1 Bluetooth
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0010 1x 16 bytes
bInterval 1
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x82 EP 2 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 1
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x02 EP 2 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 1
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 224 Wireless
bInterfaceSubClass 1 Radio Frequency
bInterfaceProtocol 1 Bluetooth
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x83 EP 3 IN
bmAttributes 1
Transfer Type Isochronous
Synch Type None
Usage Type Data
wMaxPacketSize 0x0000 1x 0 bytes
bInterval 1
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x03 EP 3 OUT
bmAttributes 1
Transfer Type Isochronous
Synch Type None
Usage Type Data
wMaxPacketSize 0x0000 1x 0 bytes
bInterval 1
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 1
bNumEndpoints 2
bInterfaceClass 224 Wireless
bInterfaceSubClass 1 Radio Frequency
bInterfaceProtocol 1 Bluetooth
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x83 EP 3 IN
bmAttributes 1
Transfer Type Isochronous
Synch Type None
Usage Type Data
wMaxPacketSize 0x0009 1x 9 bytes
bInterval 1
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x03 EP 3 OUT
bmAttributes 1
Transfer Type Isochronous
Synch Type None
Usage Type Data
wMaxPacketSize 0x0009 1x 9 bytes
bInterval 1
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 2
bNumEndpoints 2
bInterfaceClass 224 Wireless
bInterfaceSubClass 1 Radio Frequency
bInterfaceProtocol 1 Bluetooth
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x83 EP 3 IN
bmAttributes 1
Transfer Type Isochronous
Synch Type None
Usage Type Data
wMaxPacketSize 0x0011 1x 17 bytes
bInterval 1
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x03 EP 3 OUT
bmAttributes 1
Transfer Type Isochronous
Synch Type None
Usage Type Data
wMaxPacketSize 0x0011 1x 17 bytes
bInterval 1
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 3
bNumEndpoints 2
bInterfaceClass 224 Wireless
bInterfaceSubClass 1 Radio Frequency
bInterfaceProtocol 1 Bluetooth
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x83 EP 3 IN
bmAttributes 1
Transfer Type Isochronous
Synch Type None
Usage Type Data
wMaxPacketSize 0x0020 1x 32 bytes
bInterval 1
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x03 EP 3 OUT
bmAttributes 1
Transfer Type Isochronous
Synch Type None
Usage Type Data
wMaxPacketSize 0x0020 1x 32 bytes
bInterval 1
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 4
bNumEndpoints 2
bInterfaceClass 224 Wireless
bInterfaceSubClass 1 Radio Frequency
bInterfaceProtocol 1 Bluetooth
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x83 EP 3 IN
bmAttributes 1
Transfer Type Isochronous
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 1
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x03 EP 3 OUT
bmAttributes 1
Transfer Type Isochronous
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 1
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 5
bNumEndpoints 2
bInterfaceClass 224 Wireless
bInterfaceSubClass 1 Radio Frequency
bInterfaceProtocol 1 Bluetooth
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x83 EP 3 IN
bmAttributes 1
Transfer Type Isochronous
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 1
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x03 EP 3 OUT
bmAttributes 1
Transfer Type Isochronous
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 1
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 2
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 255 Vendor Specific Subclass
bInterfaceProtocol 255 Vendor Specific Protocol
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x84 EP 4 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0020 1x 32 bytes
bInterval 1
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x04 EP 4 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0020 1x 32 bytes
bInterval 1
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 3
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 254 Application Specific Interface
bInterfaceSubClass 1 Device Firmware Update
bInterfaceProtocol 0
iInterface 0
Device Firmware Upgrade Interface Descriptor:
bLength 7
bDescriptorType 33
bmAttributes 7
Will Not Detach
Manifestation Tolerant
Upload Supported
Download Supported
wDetachTimeout 5000 milliseconds
wTransferSize 64 bytes |
Unfortunately, the controller never stays "active" for long (if it is working at all). Soon the hci0 device disappears and the controller is no longer visible in lsusb. Each time this cycle is repeated, the device number increments by one.
Broadcom controllers usually require firmware. But I am not seeing any firmware errors in dmesg:
| Code: |
# dmesg | grep -i 'bluetooth|firm'
# dmesg | grep -i 'bluetooth'
[ 0.600600] Bluetooth: Core ver 2.22
[ 0.600750] Bluetooth: HCI device and connection manager initialized
[ 0.600830] Bluetooth: HCI socket layer initialized
[ 0.600908] Bluetooth: L2CAP socket layer initialized
[ 0.600990] Bluetooth: SCO socket layer initialized
[ 1.674157] Bluetooth: HCI UART driver ver 2.3
[ 1.674251] Bluetooth: HCI UART protocol H4 registered
[ 1.674438] Bluetooth: Generic Bluetooth SDIO driver ver 0.1
[ 1.721562] thinkpad_acpi: rfkill switch tpacpi_bluetooth_sw: radio is blocked
[ 1.746828] Bluetooth: RFCOMM TTY layer initialized
[ 1.746915] Bluetooth: RFCOMM socket layer initialized
[ 1.747011] Bluetooth: RFCOMM ver 1.11
[ 1.747100] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 1.747179] Bluetooth: BNEP socket layer initialized
[ 1.747369] Bluetooth: HIDP (Human Interface Emulation) ver 1.2
[ 1.747460] Bluetooth: HIDP socket layer initialized
[ 2.634122] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
[ 396.906920] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
[ 1906.134897] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
[ 2080.921865] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
[ 2752.184920] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
[ 2770.830926] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
[ 2940.576876] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
[ 3189.170880] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
[ 3277.610881] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
[ 3388.216891] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
[ 3409.609892] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
[ 3420.415888] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
[ 3431.164013] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
[ 3520.232908] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
[ 3531.004989] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
[ 3948.346886] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
[ 4088.657887] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
[ 4099.326043] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
[ 4258.304878] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
[ 4268.798129] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
[ 4905.806925] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
[ 4931.807890] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
[ 4952.257874] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
[ 4976.831478] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
[ 4993.800891] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
[ 6786.344892] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
[ 6817.584865] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
[ 6819.638838] Bluetooth: hci0: command 0x1003 tx timeout
[ 6819.638861] Bluetooth: hci0: sending frame failed (-19)
[ 6821.686863] Bluetooth: hci0: command 0x1001 tx timeout
[ 6821.686892] Bluetooth: hci0: sending frame failed (-19)
[ 6823.733827] Bluetooth: hci0: command 0x1009 tx timeout
[ 6845.354886] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
[ 6859.396902] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
[ 6873.448911] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
[ 6884.679915] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
[ 6886.709793] Bluetooth: hci0: command 0x1003 tx timeout
[ 6886.709822] Bluetooth: hci0: sending frame failed (-19)
[ 6888.757811] Bluetooth: hci0: command 0x1001 tx timeout
[ 6888.757833] Bluetooth: hci0: sending frame failed (-19)
[ 6890.805821] Bluetooth: hci0: command 0x1009 tx timeout
[ 6896.122064] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
[ 6918.672883] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
[ 6929.152078] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
[ 8469.937873] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
[ 8480.517051] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
[ 8482.549789] Bluetooth: hci0: command 0x1003 tx timeout
[ 8482.549829] Bluetooth: hci0: sending frame failed (-19)
[ 8484.598860] Bluetooth: hci0: command 0x1001 tx timeout
[ 8484.598887] Bluetooth: hci0: sending frame failed (-19)
[ 8486.646818] Bluetooth: hci0: command 0x1009 tx timeout
[20900.783935] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
[20911.365949] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
[20922.108058] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
[21365.081889] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
[21375.746079] usb 4-2: Product: ThinkPad Bluetooth with Enhanced Data Rate II
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I'm contemplating building all the Bluetooth components as modules so I can see what happens when I load and unload them and perhaps determine which modules I really need and which are irrelevant.
What have I missed here? Do I need firmware after all? (I have net-wireless/bluez installed which already includes some firmware, as well as sys-kernel/linux-firmware.) I'd be grateful for any hints, even if it's just towards better ways to troubleshoot this. |
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penetrode
Apprentice
Joined: 29 Dec 2003
Posts: 285
Location: Calgary, Alberta
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| Posted: Mon Dec 16, 2019 6:31 pm Post subject: |
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Building the Bluetooth components as modules did not make any difference:
| Code: | thinkpad_T500 Mo Dez 16 19:26:18 penetrode # lsmod
Module Size Used by
bnep 20480 2
hdaps 16384 1
zfs 3018752 3
zunicode 335872 1 zfs
zavl 16384 1 zfs
icp 266240 1 zfs
zcommon 61440 1 zfs
znvpair 53248 2 zfs,zcommon
spl 86016 4 zfs,icp,znvpair,zcommon
cdc_ether 16384 0
usbnet 36864 1 cdc_ether
cdc_wdm 20480 0
cdc_acm 32768 4
tp_smapi 28672 0
thinkpad_ec 16384 2 hdaps,tp_smapi
btusb 45056 0
btrtl 16384 1 btusb
btbcm 16384 1 btusb
btintel 20480 1 btusb
iwldvm 147456 0
iwlwifi 180224 1 iwldvm
radeon 1556480 36
ttm 102400 1 radeon
vboxpci 24576 0
vboxnetadp 28672 0
vboxnetflt 32768 0
vboxdrv 405504 3 vboxpci,vboxnetadp,vboxnetflt
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| Code: | thinkpad_T500 Mo Dez 16 19:27:16 penetrode # LANG=C rfkill
ID TYPE DEVICE SOFT HARD
0 bluetooth tpacpi_bluetooth_sw blocked unblocked
1 wwan tpacpi_wwan_sw unblocked unblocked
2 wlan phy0 blocked unblocked
thinkpad_T500 Mo Dez 16 19:27:23 penetrode # rfkill unblock bluetooth
thinkpad_T500 Mo Dez 16 19:27:34 penetrode # LANG=C rfkill
ID TYPE DEVICE SOFT HARD
0 bluetooth tpacpi_bluetooth_sw blocked unblocked
1 wwan tpacpi_wwan_sw unblocked unblocked
2 wlan phy0 blocked unblocked
4 bluetooth hci0 blocked unblocked
thinkpad_T500 Mo Dez 16 19:27:35 penetrode # LANG=C rfkill
ID TYPE DEVICE SOFT HARD
0 bluetooth tpacpi_bluetooth_sw blocked unblocked
1 wwan tpacpi_wwan_sw unblocked unblocked
2 wlan phy0 blocked unblocked
4 bluetooth hci0 blocked unblocked
thinkpad_T500 Mo Dez 16 19:27:41 penetrode # lsusb
Bus 002 Device 003: ID 0bdb:1900 Ericsson Business Mobile Networks BV F3507g Mobile Broadband Module
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 002: ID 045e:00cb Microsoft Corp. Basic Optical Mouse v2.0
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 004: ID 04e8:6860 Samsung Electronics Co., Ltd Galaxy series, misc. (MTP mode)
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 003: ID 0a5c:2145 Broadcom Corp. BCM2045B (BDC-2.1) [Bluetooth Controller]
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
thinkpad_T500 Mo Dez 16 19:27:44 penetrode # bluetoothctl
Agent registered
[bluetooth]# list
[bluetooth]# devices
No default controller available
[bluetooth]# exit
thinkpad_T500 Mo Dez 16 19:27:54 penetrode # LANG=C rfkill
ID TYPE DEVICE SOFT HARD
0 bluetooth tpacpi_bluetooth_sw blocked unblocked
1 wwan tpacpi_wwan_sw unblocked unblocked
2 wlan phy0 blocked unblocked
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