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Message #24964
[Bug 971809] Re: 168c:0032 Wifi connection unstable -- Atheros AR9485 ath9k
Hmm. This bug is associated with the upstream bug
https://bugzilla.kernel.org/show_bug.cgi?id=49201 which was fixed. I can
also confirm than on my Zenbook UX31E starting from the 3.10 kernel and
also with the 3.11 kernel in Ubuntu 13.10, WLAN is working well in many
places where it was completely unusable before.
It's probable there are different kind of problems in different networks
(like WPA2 Enterprise), but at least the one identified upstream which
broke connections, gave poor connectivity for many was fixed.
I'd suggest filing a new bug for the issue you're seeing, since
otherwise this bug would become quite confusing to handle with multiple
different upstream bugs. If you check
https://bugzilla.kernel.org/buglist.cgi?quicksearch=ar9485 , there is
for example the bug 62381 to which the new Launchpad bug could be
associated if it has a fitting description.
I think this bug should remain marked Fix Released unless Guillaume (the
bug reporter) finds that the bug he tracked with upstream has really
regressed in the 3.11 at some point.
It is anyway an interesting data point that you had the bug fixed by
using the wireless tree snapshots, but somehow are seeing still a
problem with 3.11 where all those fixes should be included.
--
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https://bugs.launchpad.net/bugs/971809
Title:
168c:0032 Wifi connection unstable -- Atheros AR9485 ath9k
Status in The Linux Kernel:
Fix Released
Status in NetworkManager:
Invalid
Status in “linux” package in Ubuntu:
Fix Released
Bug description:
Using Ubuntu 12.04 beta 2, wifi connection is really unstable on my Asus UX31.
At the same place, with Windows 7, the connection is stable.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: network-manager 0.9.4.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-21.34-generic 3.2.13
Uname: Linux 3.2.0-21-generic x86_64
ApportVersion: 2.0-0ubuntu2
Architecture: amd64
Date: Mon Apr 2 20:58:59 2012
IfupdownConfig:
auto lo
iface lo inet loopback
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120328)
NetworkManager.state:
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
WimaxEnabled=true
ProcEnviron:
TERM=xterm
LANG=fr_FR.UTF-8
SHELL=/bin/bash
SourcePackage: network-manager
UpgradeStatus: No upgrade log present (probably fresh install)
nmcli-con: Error: command ['nmcli', '-f', 'all', 'con'] failed with exit code 1: Error: Can't obtain connections: settings service is not running.
---
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu2
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC269VB Analog [ALC269VB Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: gfmichaud 1727 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'PCH'/'HDA Intel PCH at 0xdfe00000 irq 53'
Mixer name : 'Intel CougarPoint HDMI'
Components : 'HDA:10ec0269,10431427,00100100 HDA:80862805,80860101,00100000'
Controls : 18
Simple ctrls : 8
DistroRelease: Ubuntu 12.04
HibernationDevice: RESUME=UUID=384ec156-d35e-4d52-9404-4180b3520ddb
IfupdownConfig:
auto lo
iface lo inet loopback
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120328)
IpRoute:
default via 192.168.0.254 dev eth1 proto static
169.254.0.0/16 dev eth1 scope link metric 1000
192.168.0.0/24 dev eth1 proto kernel scope link src 192.168.0.30 metric 2
MachineType: ASUSTeK Computer Inc. UX31E
NetworkManager.state:
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
WimaxEnabled=true
Package: network-manager 0.9.4.0-0ubuntu2
PackageArchitecture: amd64
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=fr_FR.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-23-generic root=UUID=3698f1d7-5c60-473c-b752-c98e427883f7 ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
RelatedPackageVersions:
linux-restricted-modules-3.2.0-23-generic N/A
linux-backports-modules-3.2.0-23-generic N/A
linux-firmware 1.78
StagingDrivers: rts5139 mei
Tags: precise staging precise
Uname: Linux 3.2.0-23-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin netdev plugdev sambashare sudo
dmi.bios.date: 01/20/2012
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: UX31E.211
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: UX31E
dmi.board.vendor: ASUSTeK Computer Inc.
dmi.board.version: 1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK Computer Inc.
dmi.chassis.version: 1.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrUX31E.211:bd01/20/2012:svnASUSTeKComputerInc.:pnUX31E:pvr1.0:rvnASUSTeKComputerInc.:rnUX31E:rvr1.0:cvnASUSTeKComputerInc.:ct10:cvr1.0:
dmi.product.name: UX31E
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK Computer Inc.
nmcli-con:
NAME UUID TYPE TIMESTAMP TIMESTAMP-REAL AUTOCONNECT READONLY DBUS-PATH
AndroidGM 52f72e54-c826-4a4a-9619-3fef08de5496 802-11-wireless 1333888153 dim. 08 avril 2012 14:29:13 CEST yes no /org/freedesktop/NetworkManager/Settings/1
CNGM_WEP 712368a2-4545-4f12-b2cc-f5ecc2394ef9 802-11-wireless 1334253900 jeu. 12 avril 2012 20:05:00 CEST yes no /org/freedesktop/NetworkManager/Settings/0
nmcli-dev:
DEVICE TYPE STATE DBUS-PATH
eth1 802-11-wireless connected /org/freedesktop/NetworkManager/Devices/0
nmcli-nm:
RUNNING VERSION STATE NET-ENABLED WIFI-HARDWARE WIFI WWAN-HARDWARE WWAN
running 0.9.4.0 connected enabled enabled enabled enabled disabled
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