Wifi-SSID List vanishes after a few wakeups;LAN icons instead of wifi a

Bug #1647550 reported by Shiva Bhusal
This bug affects 6 people
Affects Status Importance Assigned to Milestone
network-manager-applet (Ubuntu)

Bug Description

when I continue to put on the laptop for 2-3 days without shutting down, then the list of wifi-SSID goes away and I see no wifi icon in right-corner of menubar. Instead I see LAN icon[you know what I mean]. After sometime, internet stops working and when I try to stop the wifi using "Enable Wifi" and put back on, I can not. I then have to restart my laptop to use internet.

I though its my responsibility to report this bug. Thanks :)

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: unity 7.4.0+16.04.20160801.2-0ubuntu1
ProcVersionSignature: Ubuntu 4.4.0-51.72-generic 4.4.30
Uname: Linux 4.4.0-51-generic x86_64

ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
CurrentDesktop: Unity
Date: Tue Dec 6 12:03:55 2016
DistUpgraded: Fresh install
DistroCodename: xenial
DistroVariant: ubuntu
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/compiz
 Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a16] (rev 0b) (prog-if 00 [VGA controller])
   Subsystem: Dell Haswell-ULT Integrated Graphics Controller [1028:0674]
InstallationDate: Installed on 2016-09-08 (89 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
MachineType: Dell Inc. Inspiron 7347
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-51-generic.efi.signed root=UUID=6e68a730-3d6f-437a-a31a-f9d4479f2ba4 ro quiet splash vt.handoff=7
SourcePackage: unity
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 01/21/2015
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A04
dmi.board.name: 0R6C7N
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: A04
dmi.modalias: dmi:bvnDellInc.:bvrA04:bd01/21/2015:svnDellInc.:pnInspiron7347:pvr00h:rvnDellInc.:rn0R6C7N:rvrA00:cvnDellInc.:ct8:cvrA04:
dmi.product.name: Inspiron 7347
dmi.product.version: 00h
dmi.sys.vendor: Dell Inc.
version.compiz: compiz 1:
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.67-1ubuntu0.16.04.2
version.libgl1-mesa-dri: libgl1-mesa-dri 11.2.0-1ubuntu2.2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 11.2.0-1ubuntu2.2
version.xserver-xorg-core: xserver-xorg-core 2:1.18.3-1ubuntu2.3
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.1-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.7.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20160325-1ubuntu1.1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.12-1build2
xserver.bootTime: Mon Dec 5 11:35:31 2016
xserver.configfile: default
xserver.errors: SynPS/2 Synaptics TouchPad: Read error 19
xserver.logfile: /var/log/Xorg.0.log
 product id 19528
 vendor SDC
xserver.version: 2:1.18.3-1ubuntu2.3

Revision history for this message
Shiva Bhusal (hotline-shiva) wrote :
affects: unity (Ubuntu) → network-manager-applet (Ubuntu)
Revision history for this message
Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in network-manager-applet (Ubuntu):
status: New → Confirmed
Revision history for this message
Bryan Habeck (bhabeck) wrote :

This bug also affects me, only the SSID list disappears after 1 suspend.

Revision history for this message
Alberto Salvia Novella (es20490446e) wrote :

Doesn't require suspending, but disabling and re-enabling wi-fi is just enough.

Changed in network-manager-applet (Ubuntu):
importance: Undecided → High
Revision history for this message
kent christopher (kent-3) wrote :

Confirmed on multiple Ubuntu derivatives based on 16.04 on a Thinkpad T60 with Intel 3945 ABG Wireless card.

5 months since this bug was first reported here.

11 months since it was reported on askubuntu.com forums:

At this point, I'm assuming this bug won't be fixed.

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