My "0cf3:3004 Qualcomm Atheros Communications AR3012 Bluetooth 4.0" work correct only with this patch. On vanilla kernel this device can work long time or can stop at once boot with log "hci0 command 0x041f tx timeout". Hex number can be different. Many users report this bug. https://bugzilla.kernel.org/show_bug.cgi?id=121201 https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/1591167 https://ubuntuforums.org/showthread.php?t=2324071 I don't know affected non-bluetooth devices, because for other device class be different dmesg message. lsusb Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 004: ID 0cf3:3004 Qualcomm Atheros Communications AR3012 Bluetooth 4.0 Bus 001 Device 003: ID 046d:c52b Logitech, Inc. Unifying Receiver Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 004 Device 002: ID 04f2:b331 Chicony Electronics Co., Ltd Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub lsusb -t /: Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 5000M |__ Port 1: Dev 2, If 0, Class=Video, Driver=uvcvideo, 5000M |__ Port 1: Dev 2, If 1, Class=Video, Driver=uvcvideo, 5000M /: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 480M /: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/6p, 480M /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/6p, 480M |__ Port 2: Dev 3, If 0, Class=Human Interface Device, Driver=usbhid, 12M |__ Port 2: Dev 3, If 1, Class=Human Interface Device, Driver=usbhid, 12M |__ Port 2: Dev 3, If 2, Class=Human Interface Device, Driver=usbhid, 12M |__ Port 3: Dev 4, If 0, Class=Wireless, Driver=btusb, 12M |__ Port 3: Dev 4, If 1, Class=Wireless, Driver=btusb, 12M lspci 00:00.0 Host bridge: Intel Corporation 3rd Gen Core processor DRAM Controller (rev 09) 00:01.0 PCI bridge: Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor PCI Express Root Port (rev 09) 00:01.1 PCI bridge: Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor PCI Express Root Port (rev 09) 00:14.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB xHCI Host Controller (rev 04) 00:16.0 Communication controller: Intel Corporation 7 Series/C216 Chipset Family MEI Controller #1 (rev 04) 00:1a.0 USB controller: Intel Corporation 7 Series/C216 Chipset Family USB Enhanced Host Controller #2 (rev 04) 00:1b.0 Audio device: Intel Corporation 7 Series/C216 Chipset Family High Definition Audio Controller (rev 04) 00:1c.0 PCI bridge: Intel Corporation 7 Series/C216 Chipset Family PCI Express Root Port 1 (rev c4) 00:1c.1 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 2 (rev c4) 00:1c.3 PCI bridge: Intel Corporation 7 Series/C216 Chipset Family PCI Express Root Port 4 (rev c4) 00:1d.0 USB controller: Intel Corporation 7 Series/C216 Chipset Family USB Enhanced Host Controller #1 (rev 04) 00:1f.0 ISA bridge: Intel Corporation HM76 Express Chipset LPC Controller (rev 04) 00:1f.2 SATA controller: Intel Corporation 7 Series Chipset Family 6-port SATA Controller [AHCI mode] (rev 04) 00:1f.3 SMBus: Intel Corporation 7 Series/C216 Chipset Family SMBus Controller (rev 04) 01:00.0 VGA compatible controller: NVIDIA Corporation GK107M [GeForce GT 650M] (rev a1) 01:00.1 Audio device: NVIDIA Corporation GK107 HDMI Audio Controller (rev a1) 02:00.0 VGA compatible controller: NVIDIA Corporation GK107M [GeForce GT 650M] (rev a1) 03:00.0 Ethernet controller: Qualcomm Atheros AR8161 Gigabit Ethernet (rev 10) 04:00.0 Network controller: Qualcomm Atheros AR9485 Wireless Network Adapter (rev 01) 05:00.0 System peripheral: JMicron Technology Corp. SD/MMC Host Controller (rev 30) 05:00.2 SD Host controller: JMicron Technology Corp. Standard SD Host Controller (rev 30) 05:00.3 System peripheral: JMicron Technology Corp. MS Host Controller (rev 30) 05:00.4 System peripheral: JMicron Technology Corp. xD Host Controller (rev 30) -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
