I have installed ubuntu 20.04 LTS on an IdeaPad 5 Pro. I followed Ubuntu 20.04 bluetooth not working but this did not work for me.
I can start bluetooth without an error but it does not find any other devices nor is it found by other ones
systemctl | grep -i blue gives:
sys-devices-pci0000:00-0000:00:08.1-0000:04:00.4-usb3-3\x2d4-3\x2d4:1.0-bluetooth-hci0.device loaded active plugged /sys/devices/pci0000:00/0000:00:08.1/0000:04:00.4/usb3/3-4/3-4:1.0/bluetooth/hci0
sys-subsystem-bluetooth-devices-hci0.device loaded active plugged /sys/subsystem/bluetooth/devices/hci0
bluetooth.service loaded active running Bluetooth service
bluetooth.target loaded active active Bluetooth
dmesg | grep -i blue gives
[ 1.514917] usb 3-4: Product: Bluetooth Radio
[ 18.640221] Bluetooth: Core ver 2.22
[ 18.640242] Bluetooth: HCI device and connection manager initialized
[ 18.640246] Bluetooth: HCI socket layer initialized
[ 18.640247] Bluetooth: L2CAP socket layer initialized
[ 18.640249] Bluetooth: SCO socket layer initialized
[ 18.656072] Bluetooth: hci0: RTL: examining hci_ver=0b hci_rev=000a lmp_ver=0b lmp_subver=8852
[ 18.656075] Bluetooth: hci0: RTL: unknown IC info, lmp subver 8852, hci rev 000a, hci ver 000b
[ 18.656076] Bluetooth: hci0: RTL: assuming no firmware upload needed
[ 21.165742] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 21.165742] Bluetooth: BNEP filters: protocol multicast
[ 21.165748] Bluetooth: BNEP socket layer initialized
[ 31.774605] Bluetooth: RFCOMM TTY layer initialized
[ 31.774610] Bluetooth: RFCOMM socket layer initialized
[ 31.774615] Bluetooth: RFCOMM ver 1.11
lspci gives
00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Renoir Root Complex
00:00.2 IOMMU: Advanced Micro Devices, Inc. [AMD] Renoir IOMMU
00:01.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Renoir PCIe Dummy Host Bridge
00:02.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Renoir PCIe Dummy Host Bridge
00:02.2 PCI bridge: Advanced Micro Devices, Inc. [AMD] Renoir PCIe GPP Bridge
00:02.3 PCI bridge: Advanced Micro Devices, Inc. [AMD] Renoir PCIe GPP Bridge
00:02.4 PCI bridge: Advanced Micro Devices, Inc. [AMD] Renoir PCIe GPP Bridge
00:08.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Renoir PCIe Dummy Host Bridge
00:08.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Renoir Internal PCIe GPP Bridge to Bus
00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD] FCH SMBus Controller (rev 51)
00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD] FCH LPC Bridge (rev 51)
00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 166a
00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 166b
00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 166c
00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 166d
00:18.4 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 166e
00:18.5 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 166f
00:18.6 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 1670
00:18.7 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 1671
01:00.0 Network controller: Realtek Semiconductor Co., Ltd. Device 8852
02:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS522A PCI Express Card Reader (rev 01)
03:00.0 Non-Volatile memory controller: Samsung Electronics Co Ltd NVMe SSD Controller SM981/PM981/PM983
04:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Device 1638 (rev c1)
04:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Device 1637
04:00.2 Encryption controller: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 10h-1fh) Platform Security Processor
04:00.3 USB controller: Advanced Micro Devices, Inc. [AMD] Renoir USB 3.1
04:00.4 USB controller: Advanced Micro Devices, Inc. [AMD] Renoir USB 3.1
04:00.5 Multimedia controller: Advanced Micro Devices, Inc. [AMD] Raven/Raven2/FireFlight/Renoir Audio Processor (rev 01)
04:00.6 Audio device: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 10h-1fh) HD Audio Controller
I hope that I gave all necessary information for someone to help me.
