Public bug reported:
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
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug xenial
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https://bugs.launchpad.net/bugs/1558252
Title:
Intel 8260 / iwlwifi Occasionally unusuable after restart
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