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[Launchpad Bug Tracker <1132381@xxxxxxxxxxxxxxxxxx>]

[Expired for linux (Ubuntu) because there has been no activity for 60
days.]

** Changed in: linux (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1132381

Title:
  0586:341f rtl8192cu drivers very low dl-speed

Status in “linux” package in Ubuntu:
  Expired

Bug description:
  With the kernel drivers, my device based on the rtl8192cu chipset
  shows very poor performance (~50 kb/s downlink).

  The debug information attached is with the drivers mentioned above
  installed.

  WORKAROUND: Install drivers via realtek:
  http://www.realtek.com/downloads/downloadsView.aspx?Langid=2&PNid=21&PFid=48&Level=5&Conn=4&ProdID=277&DownTypeID=3&GetDown=false&Downloads=true

  According to this page, this driver is merged into the main kernel
  since 3.0.2.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.5.0-25-generic 3.5.0-25.38~precise1
  ProcVersionSignature: Ubuntu 3.5.0-25.38~precise1-generic 3.5.7.4
  Uname: Linux 3.5.0-25-generic x86_64
  NonfreeKernelModules: nvidia
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.25.
  ApportVersion: 2.0.1-0ubuntu17.1
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: VT1828S Analog [VT1828S Analog]
     Subdevices: 2/2
     Subdevice #0: subdevice #0
     Subdevice #1: subdevice #1
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  mazzzy     1819 F.... pulseaudio
   /dev/snd/controlC0:  mazzzy     1819 F.... pulseaudio
   /dev/snd/pcmC0D0p:   mazzzy     1819 F...m pulseaudio
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xf3ff8000 irq 51'
     Mixer name	: 'VIA VT1828S'
     Components	: 'HDA:11064441,104383d0,00100100'
     Controls      : 52
     Simple ctrls  : 24
  Card1.Amixer.info:
   Card hw:1 'NVidia'/'HDA NVidia at 0xf7afc000 irq 17'
     Mixer name	: 'Nvidia GPU 12 HDMI/DP'
     Components	: 'HDA:10de0012,10de0101,00100100'
     Controls      : 24
     Simple ctrls  : 4
  Date: Sun Feb 24 10:08:06 2013
  HibernationDevice: RESUME=UUID=5d3f78d2-bc2f-4c30-806b-f63d453e1000
  MachineType: System manufacturer System Product Name
  MarkForUpload: True
  ProcEnviron:
   LANGUAGE=en_US:en
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB:

  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-25-generic root=/dev/sdb6 ro quiet splash
  RelatedPackageVersions:
   linux-restricted-modules-3.5.0-25-generic N/A
   linux-backports-modules-3.5.0-25-generic  N/A
   linux-firmware                            1.79.1
  RfKill:

  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 12/14/2010
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 1504
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: P7P55D-E
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: Rev 1.xx
  dmi.chassis.asset.tag: Asset-1234567890
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1504:bd12/14/2010:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP7P55D-E:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: System Product Name
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer

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