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
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