[wayne@localhost log]$ grep -i iwlwifi dmesg[    4.154450] iwlwifi 0000:3b:00.0: enabling device (0000 -> 0002)[    4.156025] iwlwifi 0000:3b:00.0: Direct firmware load for iwlwifi-3168-29.ucode failed with error -2[    4.156055] iwlwifi 0000:3b:00.0: Direct firmware load for iwlwifi-3168-28.ucode failed with error -2[    4.156066] iwlwifi 0000:3b:00.0: Direct firmware load for iwlwifi-3168-27.ucode failed with error -2[    4.156077] iwlwifi 0000:3b:00.0: Direct firmware load for iwlwifi-3168-26.ucode failed with error -2[    4.156090] iwlwifi 0000:3b:00.0: Direct firmware load for iwlwifi-3168-25.ucode failed with error -2[    4.156104] iwlwifi 0000:3b:00.0: Direct firmware load for iwlwifi-3168-24.ucode failed with error -2[    4.156118] iwlwifi 0000:3b:00.0: Direct firmware load for iwlwifi-3168-23.ucode failed with error -2[    4.160700] iwlwifi 0000:3b:00.0: loaded firmware version 22.361476.0 op_mode iwlmvm[    4.179423] iwlwifi 0000:3b:00.0: Detected Intel(R) Dual Band Wireless AC 3168, REV=0x220[    4.181167] iwlwifi 0000:3b:00.0: L1 Enabled - LTR Disabled[    4.181358] iwlwifi 0000:3b:00.0: L1 Enabled - LTR Disabled[    4.232977] iwlwifi 0000:3b:00.0 wlp59s0: renamed from wlan0It appears like version 22 of the driver is loaded. WIFI is working but Bluetooth is not. I get a No adapter found message in BlueDevil.Also, neither of these commands gives me any output:[root@localhost log]# lsusb -v | grep AC.3168[root@localhost log]# lsusb -v | grep 3168[root@localhost log]# lspci -v | grep 3168Furthermore:[root@localhost log]# sudo bluetoothctl listWaiting to connect to bluetoothd...I get the waiting message indefinitely despite enabling and starting bluetooth from the command line.And the last confusing thing, I bought I usb dongle as well, and can't modprobe btusb.[root@localhost log]# sudo modprobe btusbmodprobe: ERROR: could not insert 'btusb': Unknown symbol in module, or unknown parameter (see dmesg)-modprobe not working[wayne@localhost $ sudo modprobe -v btusb [sudo] password for wayne: install /bin/true insmod /lib/modules/3.10.0514.26.2.el7.x86_64/kernel/drivers/bluetooth/btintel.ko modprobe: ERROR: could not insert 'btusb': Unknown symbol in module, or unknown parameter (see dmesg) [wayne@localhost $ sestatus SELinux status: disabled-3168 card not found with lsusb or lspci, but dongle is found.[wayne@localhost SparkScala]$ lsusb Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 004: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode) Bus 001 Device 003: ID 8087:0aa7 Intel Corp. Bus 001 Device 002: ID 5986:1111 Acer, Inc Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Driver appears loaded, but Bluetooth not working on CentOS 7 laptop
centos;kde;bluetooth