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Message #53056
[Bug 1300296] Re: 168c:002b [Lenovo B570e Notebook] Atheros AR9285 wireless working badly on Ubuntu 13.10
And of course, thank you very much for your assistance (and patience)!
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https://bugs.launchpad.net/bugs/1300296
Title:
168c:002b [Lenovo B570e Notebook] Atheros AR9285 wireless working
badly on Ubuntu 13.10
Status in “linux” package in Ubuntu:
Incomplete
Bug description:
The Wifi range and stability is still many times better in Windows 7
than it is in Kubuntu Linux (this is a dualboot system). In many
places like public libraries, where the laptop can be quite far from
the actual wifi receiver, I still have good signal and multi-MB/s
download speeds in windows while in ubuntu I cannot see the network,
cannot connect to the network or sometimes can connect but it drops
every minute or so.
Moving closer to the wifi receiver improves quality and sitting next
to the wifi receiver I have an excellent and uninterrupted connection,
so generally speaking, the driver works, but the problem is simply a
much more limited range than I have in windows.
This problem has existed ever since I bought the laptop (A lenovo
b570e, running kubuntu 12.04 at that time, now kubuntu 13.10). The
behavior is consistent across all wifi networks.
ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: linux-image-3.11.0-18-generic 3.11.0-18.32
ProcVersionSignature: Ubuntu 3.11.0-18.32-generic 3.11.10.4
Uname: Linux 3.11.0-18-generic x86_64
ApportVersion: 2.12.5-0ubuntu2.2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: ronintdk 2262 F.... pulseaudio
/dev/snd/pcmC0D0p: ronintdk 2262 F...m pulseaudio
Date: Mon Mar 31 17:40:19 2014
HibernationDevice: RESUME=UUID=fc52dd28-5b9f-4d88-95f6-2bc0eada8e2f
InstallationDate: Installed on 2012-04-13 (716 days ago)
InstallationMedia: Kubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120328)
MachineType: LENOVO 476025G
MarkForUpload: True
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: ro root=/dev/sda3
RelatedPackageVersions:
linux-restricted-modules-3.11.0-18-generic N/A
linux-backports-modules-3.11.0-18-generic N/A
linux-firmware 1.116.2
SourcePackage: linux
StagingDrivers: rts5139
UpgradeStatus: Upgraded to saucy on 2013-10-17 (164 days ago)
dmi.bios.date: 10/27/2011
dmi.bios.vendor: LENOVO
dmi.bios.version: 44CN43WW
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: Emerald Lake
dmi.board.vendor: LENOVO
dmi.board.version: FAB1
dmi.chassis.asset.tag: Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: 0.1
dmi.modalias: dmi:bvnLENOVO:bvr44CN43WW:bd10/27/2011:svnLENOVO:pn476025G:pvrLenovoB570e:rvnLENOVO:rnEmeraldLake:rvrFAB1:cvnLENOVO:ct10:cvr0.1:
dmi.product.name: 476025G
dmi.product.version: Lenovo B570e
dmi.sys.vendor: LENOVO
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References