Public bug reported:

On my HP Elitebook 850 G1, the Wireless AC Intel 7260 Wifi card does not
work work properly.

I notice a lot of disconnections.

What I expected to happen: A stable WIFI connection.
What happened instead : An unusable WIFI connection.

If the problem is not on my hardware, this bug is "Severe" because few
users are concerned too:

- https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1541845 ,
- http://askubuntu.com/questions/750064/how-to-change-the-wifi-firmware-in-use ,
- https://bugzilla.kernel.org/show_bug.cgi?id=91171 ,
- https://forum.ubuntu-fr.org/viewtopic.php?id=1836861 ,
- https://wikidevi.com/wiki/Intel_Dual_Band_Wireless-AC_7260_(7260HMW) 
- https://bbs.archlinux.org/viewtopic.php?id=189103 .

My «dmesg | grep iwlwifi»: http://ix.io/1D7a .
My /proc/version_signature: Ubuntu 4.4.0-45.66-generic 4.4.21
My "# lspci -vnvn": http://ix.io/1D7e

Please tell me how I can help on this ? 
Feel free to ask me further technical details.

Thanks.
Raphael.

---

HP-EliteBook-850-G1:~$ lsb_release -rd
Description:    Ubuntu 16.04.1 LTS
Release:        16.04

HP-EliteBook-850-G1:~$ apt-cache policy linux
N: Unable to locate package linux

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-45-generic 4.4.0-45.66
ProcVersionSignature: Ubuntu 4.4.0-45.66-generic 4.4.21
Uname: Linux 4.4.0-45-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/pcmC1D0p:   raph       1844 F...m pulseaudio
 /dev/snd/controlC1:  raph       1844 F.... pulseaudio
 /dev/snd/controlC0:  raph       1844 F.... pulseaudio
CurrentDesktop: XFCE
Date: Mon Nov  7 11:39:50 2016
HibernationDevice: RESUME=UUID=d11a55ee-8bcd-4858-998e-175632ced094
InstallationDate: Installed on 2016-10-28 (9 days ago)
InstallationMedia: Xubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
MachineType: Hewlett-Packard HP EliteBook 850 G1
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-45-generic 
root=UUID=324f5c1b-d957-45a5-b59a-fe934c2a1bed ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-4.4.0-45-generic N/A
 linux-backports-modules-4.4.0-45-generic  N/A
 linux-firmware                            1.157.4
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 01/26/2016
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: L71 Ver. 01.35
dmi.board.name: 198F
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 15.57
dmi.chassis.asset.tag: OR6273797
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: 
dmi:bvnHewlett-Packard:bvrL71Ver.01.35:bd01/26/2016:svnHewlett-Packard:pnHPEliteBook850G1:pvrA3009CD10203:rvnHewlett-Packard:rn198F:rvrKBCVersion15.57:cvnHewlett-Packard:ct10:cvr:
dmi.product.name: HP EliteBook 850 G1
dmi.product.version: A3009CD10203
dmi.sys.vendor: Hewlett-Packard

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug intel severe wireless xenial

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https://bugs.launchpad.net/bugs/1639758

Title:
  "Intel(R) Dual Band Wireless AC 7260, REV=0x144" not working reliably

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