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[Launchpad Bug Tracker <1444226@xxxxxxxxxxxxxxxxxx>]

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Hello.
I have a Ralink with RT2561/RT61 chip:
$ lspci | grep -i network
05:00.0 Network controller: Ralink corp. RT2561/RT61 802.11g PCI

In Kubuntu 15.04 my connection is very unstable using NetworkManager.
Most of the time the connection is not established. And very few times
the connection is established but after a few seconds the connection
drops. Unfortunately in this new Kubuntu version if you try to uninstall
"network-manager" then "plasma-desktop" is requested to be uninstalled
(apparently because of "plasma-nm").

WORKAROUND: I installed Wicd from Kubuntu 14.04 using "chroot":
1- Start the system and try not use Network Manager
2- kill network manager
$ sudo pkill -9 NetworkManager
3- Start wicd from "menu" > "internet"

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: linux-image-3.19.0-14-generic 3.19.0-14.14
ProcVersionSignature: Ubuntu 3.19.0-14.14-generic 3.19.3
Uname: Linux 3.19.0-14-generic x86_64
ApportVersion: 2.17.1-0ubuntu1
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC1:  nulluser   1308 F.... pulseaudio
 /dev/snd/controlC0:  nulluser   1308 F.... pulseaudio
CurrentDesktop: KDE
Date: Tue Apr 14 22:22:23 2015
HibernationDevice: RESUME=UUID=1edec07e-cb6e-4ca2-b03e-29d7ef434bc8
InstallationDate: Installed on 2015-04-12 (2 days ago)
InstallationMedia: Kubuntu 15.04 "Vivid Vervet" - Beta amd64 (20150408)
MachineType: System manufacturer System Product Name
ProcFB: 0 nouveaufb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-14-generic root=UUID=0f5fd4c5-56a1-494b-9513-074a3e1a11f1 ro quiet splash
RelatedPackageVersions:
 linux-restricted-modules-3.19.0-14-generic N/A
 linux-backports-modules-3.19.0-14-generic  N/A
 linux-firmware                             1.143
RfKill:
 0: phy0: Wireless LAN
  Soft blocked: no
  Hard blocked: no
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: 08/14/2013
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 2204
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: P8Z77-V LX
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev X.0x
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr2204:bd08/14/2013:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnP8Z77-VLX:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer

** Affects: network-manager (Ubuntu)
     Importance: Low
         Status: New


** Tags: amd64 apport-bug bios-outdated-2501 vivid
-- 
[Kubuntu 15.04 beta] can't connect to wifi with Ralink RT2561/RT61 and NetworkManager
https://bugs.launchpad.net/bugs/1444226
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