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[YAFU <1444226@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

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. But with Wicd my connection is stable. I installed Wicd from
Kubuntu 14.04 using "chroot". 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"). So I do
the following to use Wicd:

1- Start the system and try not use Network Manager
2- kill network manager
$ sudo pkill -9 NetworkManager
3- Start wicd from "menu" > "internet"

And I can connect to WiFi and the connection is stable.

By the way, it's a bad thing that you can not uninstall network-manager
to use another manager in Kubuntu. So, at least there should be an
option from the systemsettings to can choose the default network
manager.

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: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug vivid

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https://bugs.launchpad.net/bugs/1444226

Title:
  [Kubuntu 15.04 beta] can't connect to wifi with Ralink RT2561/RT61 and
  NetworkManager

Status in linux package in Ubuntu:
  New

Bug description:
  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. But with Wicd my connection is stable. I installed Wicd from
  Kubuntu 14.04 using "chroot". 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"). So I do the following to use Wicd:

  1- Start the system and try not use Network Manager
  2- kill network manager
  $ sudo pkill -9 NetworkManager
  3- Start wicd from "menu" > "internet"

  And I can connect to WiFi and the connection is stable.

  By the way, it's a bad thing that you can not uninstall network-
  manager to use another manager in Kubuntu. So, at least there should
  be an option from the systemsettings to can choose the default network
  manager.

  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

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