Wifi dropping
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
network-manager (Ubuntu) |
Confirmed
|
Medium
|
Unassigned |
Bug Description
Environment
Lenovo T440s
Ubuntu 14.04
Kernel: 3.13.0-32-generic #57-Ubuntu SMP x86_64
Firmware version: Aug 11 14:17:58 dave kernel: [ 3.336421] iwlwifi 0000:03:00.0: loaded firmware version 22.1.7.0 op_mode iwlmvm
# I have also tried version 22.1.8.0
sudo lshw -C network
description: Wireless interface
product: Wireless 7260
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:03:00.0
logical name: wlan0
version: 83
serial: e8:2a:ea:b3:5a:1f
width: 64 bits
clock: 33MHz
resources: irq:61 memory:
sudo iwconfig:
wlan0 IEEE 802.11abgn ESSID:"nfu2"
Bit Rate=54 Mb/s Tx-Power=16 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=70/70 Signal level=-22 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:119 Missed beacon:0
grep wifi /var/log/syslog:
Aug 11 14:17:58 dave kernel: [ 3.336421] iwlwifi 0000:03:00.0: loaded firmware version 22.1.7.0 op_mode iwlmvm
(30x of these:) Aug 11 16:52:15 dave kernel: [ 9256.926634] iwlwifi 0000:03:00.0 wlan0: disabling VHT as WMM/QoS is not supported by the AP
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-
ProcVersionSign
Uname: Linux 3.13.0-32-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/
/dev/snd/
CurrentDesktop: Unity
Date: Mon Aug 11 16:46:39 2014
HibernationDevice: RESUME=
InstallationDate: Installed on 2014-07-21 (21 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
MachineType: LENOVO 20AQCTO1WW
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=
RelatedPackageV
linux-
linux-
linux-firmware 1.127.5
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/20/2014
dmi.bios.vendor: LENOVO
dmi.bios.version: GJET77WW (2.27 )
dmi.board.
dmi.board.name: 20AQCTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: SDK0E50512 STD
dmi.chassis.
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.
dmi.modalias: dmi:bvnLENOVO:
dmi.product.name: 20AQCTO1WW
dmi.product.
dmi.sys.vendor: LENOVO
Changed in linux (Ubuntu): | |
importance: | Undecided → Medium |
tags: | added: bios-oudated-2.28 |
Changed in network-manager (Ubuntu): | |
status: | Confirmed → Incomplete |
status: | Incomplete → Confirmed |
This change was made by a bot.