Public bug reported:
Enabling IOMMU (intel_iommu=on) parameter, I lose my WIFI card:
[ 0.000000] Command line: BOOT_IMAGE=/vmlinuz-4.8.0-22-generic
root=/dev/mapper/ubuntu--vg-root ro radeon.dpm=1 intel_iommu=on
[ 0.000000] Kernel command line: BOOT_IMAGE=/vmlinuz-4.8.0-22-generic
root=/dev/mapper/ubuntu--vg-root ro radeon.dpm=1 intel_iommu=on
[ 14.493516] iommu: Adding device 0000:00:00.0 to group 0
[ 14.493530] iommu: Adding device 0000:00:01.0 to group 1
[ 14.493539] iommu: Adding device 0000:00:14.0 to group 2
[ 14.493552] iommu: Adding device 0000:00:16.0 to group 3
[ 14.493561] iommu: Adding device 0000:00:16.3 to group 3
[ 14.493571] iommu: Adding device 0000:00:19.0 to group 4
[ 14.493579] iommu: Adding device 0000:00:1a.0 to group 5
[ 14.493587] iommu: Adding device 0000:00:1b.0 to group 6
[ 14.493596] iommu: Adding device 0000:00:1c.0 to group 7
[ 14.493605] iommu: Adding device 0000:00:1c.6 to group 8
[ 14.493614] iommu: Adding device 0000:00:1d.0 to group 9
[ 14.493630] iommu: Adding device 0000:00:1f.0 to group 10
[ 14.493638] iommu: Adding device 0000:00:1f.2 to group 10
[ 14.493647] iommu: Adding device 0000:00:1f.3 to group 10
[ 14.493653] iommu: Adding device 0000:01:00.0 to group 1
[ 14.493659] iommu: Adding device 0000:01:00.1 to group 1
[ 14.493667] iommu: Adding device 0000:3b:00.0 to group 11
[ 14.493677] iommu: Adding device 0000:3c:01.0 to group 12
[ 14.493687] iommu: Adding device 0000:3c:02.0 to group 13
[ 14.493695] iommu: Adding device 0000:3c:03.0 to group 14
[ 14.493710] iommu: Adding device 0000:3d:00.0 to group 15
[ 14.493725] iommu: Adding device 0000:5f:00.0 to group 16
[ 24.379876] iwlwifi 0000:3d:00.0: enabling device (0000 -> 0002)
[ 24.394961] iwlwifi 0000:3d:00.0: loaded firmware version 17.352738.0
op_mode iwlmvm
[ 24.435195] iwlwifi 0000:3d:00.0: Detected Intel(R) Dual Band Wireless AC
7260, REV=0x144
[ 24.437388] iwlwifi 0000:3d:00.0: L1 Enabled - LTR Enabled
[ 24.437841] iwlwifi 0000:3d:00.0: L1 Enabled - LTR Enabled
[ 29.454188] iwlwifi 0000:3d:00.0: Failed to load firmware chunk!
[ 29.455194] iwlwifi 0000:3d:00.0: Could not load the [0] uCode section
[ 29.456109] iwlwifi 0000:3d:00.0: Failed to start INIT ucode: -110
[ 29.462726] iwlwifi 0000:3d:00.0: Failed to run INIT ucode: -110
[ 29.463852] iwlwifi 0000:3d:00.0: L1 Enabled - LTR Enabled
ProblemType: Bug
DistroRelease: Ubuntu 16.10
Package: linux-image-4.8.0-22-generic 4.8.0-22.24
ProcVersionSignature: Ubuntu 4.8.0-22.24-generic 4.8.0
Uname: Linux 4.8.0-22-generic x86_64
NonfreeKernelModules: openafs
ApportVersion: 2.20.3-0ubuntu8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/pcmC0D0p: afiergol 2914 F...m pulseaudio
/dev/snd/controlC0: afiergol 2914 F.... pulseaudio
/dev/snd/controlC1: afiergol 2914 F.... pulseaudio
CurrentDesktop: Unity
Date: Mon Oct 17 13:48:01 2016
HibernationDevice: RESUME=UUID=7ca97ca1-ca2d-43f6-9b4c-cd61421c0831
InstallationDate: Installed on 2015-04-02 (563 days ago)
InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
IwConfig:
eth0 no wireless extensions.
lo no wireless extensions.
MachineType: Hewlett-Packard HP ZBook 15 G2
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.8.0-22-generic
root=/dev/mapper/ubuntu--vg-root ro radeon.dpm=1 intel_iommu=on
RelatedPackageVersions:
linux-restricted-modules-4.8.0-22-generic N/A
linux-backports-modules-4.8.0-22-generic N/A
linux-firmware 1.161
RfKill:
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
SourcePackage: linux
UpgradeStatus: Upgraded to yakkety on 2016-10-16 (0 days ago)
dmi.bios.date: 04/25/2016
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: M70 Ver. 01.15
dmi.board.name: 2253
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 03.12
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias:
dmi:bvnHewlett-Packard:bvrM70Ver.01.15:bd04/25/2016:svnHewlett-Packard:pnHPZBook15G2:pvrA3008CD10003:rvnHewlett-Packard:rn2253:rvrKBCVersion03.12:cvnHewlett-Packard:ct10:cvr:
dmi.product.name: HP ZBook 15 G2
dmi.product.version: A3008CD10003
dmi.sys.vendor: Hewlett-Packard
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug yakkety
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https://bugs.launchpad.net/bugs/1634108
Title:
intel_iommu=on causes iwlwifi to fail
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