With the new kernel (4.4.0-040400rc5-generic) I get the same error as before, namely a firmware crash.
[ 4.633635] ath10k_pci 0000:02:00.0: firmware register dump: [ 4.633640] ath10k_pci 0000:02:00.0: [00]: 0x05010000 0x000015B3 0x000A012D 0x00955B31 [ 4.633644] ath10k_pci 0000:02:00.0: [04]: 0x000A012D 0x00060330 0x00000016 0x8B805006 [ 4.633646] ath10k_pci 0000:02:00.0: [08]: 0x00000000 0x00400000 0x00400600 0x00000001 [ 4.633648] ath10k_pci 0000:02:00.0: [12]: 0x00000009 0x00000000 0x00931C61 0x00931C7D [ 4.633651] ath10k_pci 0000:02:00.0: [16]: 0x0096BDBC 0x009286B6 0x00000000 0x00000000 [ 4.633653] ath10k_pci 0000:02:00.0: [20]: 0x400A012D 0x0040E2B0 0x00955A00 0x00404590 [ 4.633655] ath10k_pci 0000:02:00.0: [24]: 0x809287D9 0x0040E310 0x7A5087F8 0xC00A012D [ 4.633657] ath10k_pci 0000:02:00.0: [28]: 0x809288D7 0x0040E340 0x00000000 0xFFF08040 [ 4.633659] ath10k_pci 0000:02:00.0: [32]: 0x809290FE 0x0040E360 0x00400000 0x00400600 [ 4.633661] ath10k_pci 0000:02:00.0: [36]: 0x80929205 0x0040E380 0x00000000 0x00400600 [ 4.633663] ath10k_pci 0000:02:00.0: [40]: 0x40928024 0x0040E3B0 0x0040D3D0 0x0040D3D0 [ 4.633665] ath10k_pci 0000:02:00.0: [44]: 0x00000000 0x0040E3D0 0x009BB001 0x00040020 [ 4.633667] ath10k_pci 0000:02:00.0: [48]: 0x00401BF0 0x00000001 0x00404B9C 0x00400000 [ 4.633669] ath10k_pci 0000:02:00.0: [52]: 0x40928024 0x0040E3B0 0x0040D3D0 0x0040D3D0 [ 4.633671] ath10k_pci 0000:02:00.0: [56]: 0x02BA6900 0x62F85956 0xCDDFFDA4 0x7D9CA6DA -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1436940 Title: Atheros wifi 168c:0041(QCA6164) is not supported Status in linux package in Ubuntu: Confirmed Status in linux source package in Vivid: Confirmed Status in linux source package in Wily: Confirmed Bug description: The atheros wireless device (168c:0041) isn't supported by the ath10k_pci kernel driver. Found in several laptop models: Lenovo Z70 Lenovo G50-45 Lenovo G50-80 Lenovo Edge 15 Lenovo Yoga 3 11 Lenovo Flex 3-1470 Lenovo U31-70 Samsung ATIV Book 9 NP930X2K ProblemType: BugDistroRelease: Ubuntu 15.04 Package: linux-image-3.19.0-9-generic 3.19.0-9.9 ProcVersionSignature: Ubuntu 3.19.0-9.9-generic 3.19.1 Uname: Linux 3.19.0-9-generic x86_64 ApportVersion: 2.16.2-0ubuntu3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: nicholas 1695 F.... pulseaudio /dev/snd/controlC1: nicholas 1695 F.... pulseaudio CurrentDesktop: Unity Date: Thu Mar 26 09:47:16 2015 HibernationDevice: RESUME=UUID=5b068cd8-e60a-49b9-a88e-1581bb6b3dc1 InstallationDate: Installed on 2015-03-25 (1 days ago) InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1) IwConfig: eth0 no wireless extensions. lo no wireless extensions. Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 004: ID 0cf3:e300 Atheros Communications, Inc. Bus 001 Device 003: ID 5986:0652 Acer, Inc Bus 001 Device 002: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: LENOVO 80E5 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-9-generic root=UUID=e52867c5-0b50-42fb-8288-f30765f926c5 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.19.0-9-generic N/A linux-backports-modules-3.19.0-9-generic N/A linux-firmware 1.143SourcePackage: linux UpgradeStatus: Upgraded to vivid on 2015-03-26 (0 days ago) dmi.bios.date: 06/20/2014 dmi.bios.vendor: LENOVO dmi.bios.version: B0CN69WW dmi.board.asset.tag: NO Asset Tag dmi.board.name: Lenovo G50-80 dmi.board.vendor: LENOVO dmi.board.version: 31900058 WIN dmi.chassis.asset.tag: NO Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Lenovo G50-80 dmi.modalias: dmi:bvnLENOVO:bvrB0CN69WW:bd06/20/2014:svnLENOVO:pn80E5:pvrLenovoG50-80:rvnLENOVO:rnLenovoG50-80:rvr31900058WIN:cvnLENOVO:ct10:cvrLenovoG50-80: dmi.product.name: 80E5 dmi.product.version: Lenovo G50-80 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1436940/+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