Can confirm this on two Lenovo x250 computers as well. Dropout occurs
often, disabling/enabling network (with keyboard/hardware switch) works
most often. Sometimes reboot is required. Occurs on hidden and non-
hidden wireless networks.
wireless
configuration: broadcast=yes driver=iwlwifi
driverversion=3.19.0-30-generic firmware=25.17.12.0 ip=192.168.0.11 latency=0
link=yes multicast=yes wireless=IEEE 802.11abgn
resources: irq:45 memory:f1000000-f1001fff
*-network DISABLED
description: Ethernet interface
physical id: 1
logical name: wwan0
serial: 86:77:7a:57:df:7e
capabilities: ethernet physical
configuration: broadcast=yes driver=cdc_mbim driverversion=22-Aug-2005
firmware=CDC MBIM link=no multicast=yes
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 15.04
Release: 15.04
Codename: vivid
Linux boll 3.19.0-30-generic #33-Ubuntu SMP Mon Sep 21 20:58:04 UTC 2015 x86_64
x86_64 x86_64 GNU/Linux
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https://bugs.launchpad.net/bugs/1476050
Title:
Wifi disconnects every few minutes
Status in linux package in Ubuntu:
Incomplete
Bug description:
It seems like the wifi disconnects every few minutes. Disabling
network, enabling it causes all networks to disappear. Then "connect
to hidden network" will show the dropped network , and reconnect is
made possible again. This has been reported as a question on
Launchpad: https://answers.launchpad.net/ubuntu/+question/266033
ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: linux-image-3.19.0-21-generic 3.19.0-21.21
ProcVersionSignature: Ubuntu 3.19.0-21.21-generic 3.19.8
Uname: Linux 3.19.0-21-generic x86_64
ApportVersion: 2.17.2-0ubuntu1.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: idoerg 1344 F.... pulseaudio
/dev/snd/controlC0: idoerg 1344 F.... pulseaudio
CurrentDesktop: LXDE
Date: Sun Jul 19 16:51:18 2015
HibernationDevice: RESUME=UUID=810a6e8e-9aab-4a6a-98db-82cb0499339b
InstallationDate: Installed on 2015-06-22 (26 days ago)
InstallationMedia: Lubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
MachineType: Dell Inc. Latitude E5450
ProcEnviron:
LANGUAGE=en_US
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.19.0-21-generic
root=/dev/mapper/lubuntu--vg-root ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.19.0-21-generic N/A
linux-backports-modules-3.19.0-21-generic N/A
linux-firmware 1.143.1
SourcePackage: linux
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 01/05/2015
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A05
dmi.board.name: 0DCPV1
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA05:bd01/05/2015:svnDellInc.:pnLatitudeE5450:pvr01:rvnDellInc.:rn0DCPV1:rvrA00:cvnDellInc.:ct9:cvr:
dmi.product.name: Latitude E5450
dmi.product.version: 01
dmi.sys.vendor: Dell Inc.
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