In my case, with the Asus Z87-Pro motherboard (With the latest firmware) I am having similar problems like Wallcom mentioned. The wireless (For G, N or AC) works randomly. Reboot and it works. Reboot and it does not.
The problem gets worse if I activate the Bluetooth where it creates a kind of weird issue with Network Manager where I can't connect to any wifi AP. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-firmware in Ubuntu. https://bugs.launchpad.net/bugs/1394368 Title: Bluetooth with AR9462 doesn't work (New ID /Firmware) Status in linux-firmware package in Ubuntu: Incomplete Bug description: This is (kind of) a duplicate of: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1024884 (please read) I can't use Bluetooth with my AR9462 WLAN/BT-Combo. In the link above, it has been fixed, but not for my Adapter ID/Firmware: System: Ubuntu 14.10 utopic 64bit - 3.16.0-24-generic x86_64 lspci -nnk 02:00.0 Network controller [0280]: Qualcomm Atheros AR9462 Wireless Network Adapter [168c:0034] (rev 01) Subsystem: Lite-On Communications Inc Device [11ad:0802] Kernel driver in use: ath9k lsusb (identified Bluetooth Device) Bus 002 Device 003: ID 04ca:300d Lite-On Technology Corp. ath9k.conf options ath9k btcoex_enable=1 The "04ca:300d" ID is not in the Kernel, so i added it via dkms. I took ath3k.c and btusb.c out of the 3.16.0-24-generic source files and changed them: diff -urN ./linux-3.16.0/drivers/bluetooth/ath3k.c /usr/src/ar9462-1.5.1/ath3k.c --- ./linux-3.16.0/drivers/bluetooth/ath3k.c 2014-08-04 00:25:02.000000000 +0200 +++ /usr/src/ar9462-1.5.1/ath3k.c 2014-11-19 21:12:46.646265890 +0100 @@ -85,6 +85,7 @@ { USB_DEVICE(0x04CA, 0x3007) }, { USB_DEVICE(0x04CA, 0x3008) }, { USB_DEVICE(0x04CA, 0x300b) }, + { USB_DEVICE(0x04CA, 0x300d) }, { USB_DEVICE(0x0930, 0x0219) }, { USB_DEVICE(0x0930, 0x0220) }, { USB_DEVICE(0x0b05, 0x17d0) }, @@ -134,6 +135,7 @@ { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 }, + { USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 }, diff -urN ./linux-3.16.0/drivers/bluetooth/btusb.c /usr/src/ar9462-1.5.1/btusb.c --- ./linux-3.16.0/drivers/bluetooth/btusb.c 2014-08-04 00:25:02.000000000 +0200 +++ /usr/src/ar9462-1.5.1/btusb.c 2014-11-19 21:12:46.646265890 +0100 @@ -157,6 +157,7 @@ { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 }, + { USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 }, sudo dkms add -m ar9462 -v 1.5.1 sudo dkms build -m ar9462 -v 1.5.1 sudo dkms install -m ar9462 -v 1.5.1 (DKMS package in the same style/versioning as in the bug report above) dkms status ar9462, 1.5.1, 3.16.0-24-generic, x86_64: installed Now the new output: dmesg | egrep 'ath3|ar3|Bluet' [ 2.787819] Bluetooth: Core ver 2.19 [ 2.787833] Bluetooth: HCI device and connection manager initialized [ 2.787839] Bluetooth: HCI socket layer initialized [ 2.787842] Bluetooth: L2CAP socket layer initialized [ 2.787848] Bluetooth: SCO socket layer initialized [ 2.793551] Bluetooth: BNEP (Ethernet Emulation) ver 1.3 [ 2.793554] Bluetooth: BNEP filters: protocol multicast [ 2.793561] Bluetooth: BNEP socket layer initialized [ 3.130779] Bluetooth: Patch file not found ar3k/AthrBT_0x11020100.dfu [ 3.130783] Bluetooth: Loading patch file failed [ 3.130788] ath3k: probe of 2-5:1.0 failed with error -12 [ 3.130823] usbcore: registered new interface driver ath3k [ 9.776503] Bluetooth: RFCOMM TTY layer initialized [ 9.776512] Bluetooth: RFCOMM socket layer initialized [ 9.776517] Bluetooth: RFCOMM ver 1.11 My patch works, but just like in the bug report above, a Firmware file is missing: AthrBT_0x11020100.dfu I found it neither in linux-firmware (http://git.kernel.org/cgit/linux/kernel/git/firmware/linux-firmware.git/tree/ar3k) nor elsewhere. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/1394368/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp