The bluetooth firmware load (hci0) below from a working device on a 4.19 kernel
is missing from the
above posted dmesg output (firmware versions identical). There are new
firmware versions in 20.04, so that may be contributing cause to the loading
problem.
7.768840] RTL8723BS: rtl8723bs v4.3.5.5_12290.20140916_BTCOEX20140507-4E40
[ 7.768842] RTL8723BS: rtl8723bs BT-Coex version = BTCOEX20140507-4E40
[ 7.933032] Bluetooth: hci0: RTL: rtl: examining hci_ver=06 hci_rev=000b
lmp_ver=06 lmp_subver=8723
[ 7.941386] Bluetooth: hci0: RTL: rtl: loading rtl_bt/rtl8723bs_fw.bin
[ 7.959733] bluetooth hci0: firmware: direct-loading firmware
rtl_bt/rtl8723bs_fw.bin
[ 7.959786] Bluetooth: hci0: RTL: rtl: loading
rtl_bt/rtl8723bs_config-OBDA8723.bin
[ 7.960749] bluetooth hci0: firmware: direct-loading firmware
rtl_bt/rtl8723bs_config-OBDA8723.bin
[ 7.965838] RTL8723BS: rtw_ndev_init(wlan0)
[ 7.967175] RTL8723BS: module init ret =0
[ 9.685612] rtl8723bs: acquire FW from file:rtlwifi/rtl8723bs_nic.bin
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https://bugs.launchpad.net/bugs/1877192
Title:
RTL8723bs bluetooth not working on 20.04
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