I am on Debian Testing and have the same problem with kernels 4.3 and 4.4 (Debian one's) as well as 4.5 (compiled from unmodified source with Debian config). Sometimes I have to reboot around 10 times to get a connected with NetworkManager, although the device seems to be available through iwconfig.
-- 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/1558252 Title: Intel 8260 / iwlwifi Occasionally unusuable after restart Status in linux package in Ubuntu: Incomplete Bug description: Hello, Some times my wifi card is inaccessible immediately after boot. Typically, restarting the machine or reloading the iwlwifi kernel module resolves the issue. dmesg on inaccessible card: [ 13.146917] iwlwifi 0000:04:00.0: Unsupported splx structure [ 13.147620] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-8000C-19.ucode failed with error -2 [ 13.147754] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-8000C-18.ucode failed with error -2 [ 13.147765] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-8000C-17.ucode failed with error -2 [ 13.154952] iwlwifi 0000:04:00.0: loaded firmware version 16.242414.0 op_mode iwlmvm [ 13.191912] iwlwifi 0000:04:00.0: Detected Intel(R) Dual Band Wireless AC 8260, REV=0x208 [ 13.198415] iwlwifi 0000:04:00.0: L1 Enabled - LTR Enabled [ 13.199446] iwlwifi 0000:04:00.0: L1 Enabled - LTR Enabled [ 13.200661] iwlwifi 0000:04:00.0: can't access the RSA semaphore it is write protected [ 14.218185] iwlwifi 0000:04:00.0: SecBoot CPU1 Status: 0x3090003, CPU2 Status: 0x0 [ 14.218190] iwlwifi 0000:04:00.0: Failed to start INIT ucode: -110 [ 14.219090] iwlwifi 0000:04:00.0: Failed to run INIT ucode: -110 [ 14.219157] iwlwifi 0000:04:00.0: L1 Enabled - LTR Enabled ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.4.0-13-generic 4.4.0-13.29 ProcVersionSignature: Ubuntu 4.4.0-13.29-generic 4.4.5 Uname: Linux 4.4.0-13-generic x86_64 ApportVersion: 2.20-0ubuntu3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: ryan 1999 F.... pulseaudio Date: Wed Mar 16 12:00:48 2016 HibernationDevice: RESUME=UUID=04e04e17-3976-4daa-a1dd-2dd369aee83d InstallationDate: Installed on 2015-09-21 (176 days ago) InstallationMedia: It IwConfig: enp0s31f6 no wireless extensions. lo no wireless extensions. Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: LENOVO 20FNCTO1WW ProcEnviron: TERM=xterm PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-13-generic root=/dev/mapper/it--vg-root ro quiet intel_pstate=no_hwp PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: linux-restricted-modules-4.4.0-13-generic N/A linux-backports-modules-4.4.0-13-generic N/A linux-firmware 1.156 RfKill: 0: tpacpi_bluetooth_sw: Bluetooth Soft blocked: yes Hard blocked: no SourcePackage: linux UpgradeStatus: Upgraded to xenial on 2016-02-24 (20 days ago) dmi.bios.date: 01/05/2016 dmi.bios.vendor: LENOVO dmi.bios.version: R06ET33W (1.07 ) dmi.board.asset.tag: Not Available dmi.board.name: 20FNCTO1WW dmi.board.vendor: LENOVO dmi.board.version: SDK0J40697 WIN dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: None dmi.modalias: dmi:bvnLENOVO:bvrR06ET33W(1.07):bd01/05/2016:svnLENOVO:pn20FNCTO1WW:pvrThinkPadT460:rvnLENOVO:rn20FNCTO1WW:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone: dmi.product.name: 20FNCTO1WW dmi.product.version: ThinkPad T460 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1558252/+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
