touch-packages team mailing list archive

[Owen <1444226@xxxxxxxxxxxxxxxxxx>]

OK, I just found your workaround here YAFU https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1442908/comments/4 
This fixed the problem for me too, as wifi is stable using wicd it definitely seems to be a NetworkManager problem.

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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 network-manager package in Ubuntu:
  Confirmed

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. 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

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